annotate configmix/config.py @ 541:25b61f0a1958

Docs for _split_ns() and _split_filters()
author Franz Glasner <fzglas.hg@dom66.de>
date Wed, 29 Dec 2021 13:33:11 +0100
parents 33856ae1cc0b
children f71d34dda19f
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1 # -*- coding: utf-8 -*-
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2 # :-
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3 # :Copyright: (c) 2015-2021, Franz Glasner. All rights reserved.
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4 # :License: BSD-3-Clause. See LICENSE.txt for details.
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5 # :-
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6 """The unified configuration dictionary with attribute support or
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7 variable substitution.
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9 """
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10
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11 from __future__ import division, absolute_import, print_function
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12
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13
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14 __all__ = ["Configuration"]
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15
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16
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17 import warnings
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18 try:
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19 from collections import OrderedDict as ConfigurationBase
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20 except ImportError:
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21 try:
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22 from ordereddict import OrderedDict as ConfigurationBase
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23 except ImportError:
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24 ConfigurationBase = dict
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25 try:
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26 from urllib.parse import urlsplit
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27 except ImportError:
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28 from urlparse import urlsplit
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30 from .variables import lookup_varns, lookup_filter
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31 from .compat import u, uchr, n, str_and_u, PY2
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32 from .constants import REF_NAMESPACE, NONE_FILTER, EMPTY_FILTER
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35 _MARKER = object()
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36 _MISSING = object()
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39 class _AttributeDict(ConfigurationBase):
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41 def __getattr__(self, name):
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42 try:
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43 v = self[name]
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44 except KeyError:
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45 raise AttributeError("%s has no attribute %r" % (type(self), name))
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46 else:
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47 # Wrap a dict into another dict with attribute access support
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48 if isinstance(v, dict):
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49 return _AttributeDict(v)
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50 else:
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51 return v
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54 class CoercingMethodsMixin(object):
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56 """Mixin to provide some common implementations for retrieval
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57 methods that convert return values to a fixed type (int, bool,
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58 float).
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60 Both :class:`~.Configuration` and :class:`~._JailedConfiguration` use
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61 this mixin.
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63 """
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65 def getintvarl_s(self, *path, **kwds):
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66 """Get a (possibly substituted) variable and coerce text to a
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67 number.
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69 """
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70 s = self.getvarl_s(*path, **kwds)
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71 if isinstance(s, _TEXTTYPE):
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72 return int(s, 0)
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73 else:
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74 return s
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76 def getfirstintvarl_s(self, *paths, **kwds):
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77 """Get a (possibly substituted) variable and coerce text to a
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78 number.
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80 """
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81 s = self.getfirstvarl_s(*paths, **kwds)
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82 if isinstance(s, _TEXTTYPE):
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83 return int(s, 0)
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84 else:
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85 return s
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87 def getintvar_s(self, varname, default=_MARKER):
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88 """Get a (possibly substituted) variable and coerce text to a
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89 number.
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91 """
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92 s = self.getvar_s(varname, default=default)
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93 if isinstance(s, _TEXTTYPE):
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94 return int(s, 0)
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95 else:
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96 return s
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98 def getfirstintvar_s(self, *varnames, **kwds):
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99 """A variant of :meth:`~.getintvar_s` that returns the first found
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100 variable in the list of given variables in `varnames`.
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102 """
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103 s = self.getfirstvar_s(*varnames, **kwds)
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104 if isinstance(s, _TEXTTYPE):
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105 return int(s, 0)
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106 else:
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107 return s
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108
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109 def getboolvarl_s(self, *path, **kwds):
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110 """Get a (possibly substituted) variable and convert text to a
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111 boolean
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112
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113 """
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114 s = self.getvarl_s(*path, **kwds)
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115 if isinstance(s, _TEXTTYPE):
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116 sl = s.strip().lower()
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117 if sl not in self._BOOL_CVT:
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118 raise ValueError("Not a boolean: %r" % (s, ))
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119 return self._BOOL_CVT[sl]
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120 else:
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121 return s
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122
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123 def getfirstboolvarl_s(self, *paths, **kwds):
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124 """Get a (possibly substituted) variable and convert text to a
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125 boolean
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126
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127 """
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128 s = self.getfirstvarl_s(*paths, **kwds)
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129 if isinstance(s, _TEXTTYPE):
412
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130 sl = s.strip().lower()
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131 if sl not in self._BOOL_CVT:
450
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132 raise ValueError("Not a boolean: %r" % (s, ))
412
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diff changeset
133 return self._BOOL_CVT[sl]
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134 else:
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135 return s
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136
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137 def getboolvar_s(self, varname, default=_MARKER):
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138 """Get a (possibly substituted) variable and convert text to a
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diff changeset
139 boolean
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140
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141 """
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142 s = self.getvar_s(varname, default=default)
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143 if isinstance(s, _TEXTTYPE):
412
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144 sl = s.strip().lower()
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145 if sl not in self._BOOL_CVT:
450
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146 raise ValueError("Not a boolean: %r" % (s, ))
412
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147 return self._BOOL_CVT[sl]
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148 else:
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149 return s
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150
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151 def getfirstboolvar_s(self, *varnames, **kwds):
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152 """A variant of :meth:`~.getboolvar_s` that returns the first found
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diff changeset
153 variable in the list of given variables in `varnames`.
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154
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155 """
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156 s = self.getfirstvar_s(*varnames, **kwds)
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157 if isinstance(s, _TEXTTYPE):
412
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158 sl = s.strip().lower()
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159 if sl not in self._BOOL_CVT:
450
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160 raise ValueError("Not a boolean: %r" % (s, ))
412
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161 return self._BOOL_CVT[sl]
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162 else:
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163 return s
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164
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165 # Conversion of booleans
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diff changeset
166 _BOOL_CVT = {
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167 u('1'): True, u('yes'): True, u('true'): True, u('on'): True,
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168 u('0'): False, u('no'): False, u('false'): False, u('off'): False
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diff changeset
169 }
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170
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171 def getfloatvarl_s(self, *path, **kwds):
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172 """Get a (possibly substituted) variable and convert text to a
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173 float
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174
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175 """
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176 s = self.getvarl_s(*path, **kwds)
495
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177 if isinstance(s, _TEXTTYPE):
412
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178 return float(s)
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179 else:
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180 return s
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181
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182 def getfirstfloatvarl_s(self, *path, **kwds):
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183 """Get a (possibly substituted) variable and convert text to a
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184 float
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diff changeset
185
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186 """
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187 s = self.getfirstvarl_s(*path, **kwds)
495
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188 if isinstance(s, _TEXTTYPE):
412
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diff changeset
189 return float(s)
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190 else:
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diff changeset
191 return s
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192
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193 def getfloatvar_s(self, varname, default=_MARKER):
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194 """Get a (possibly substituted) variable and convert text to a
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diff changeset
195 float
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diff changeset
196
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diff changeset
197 """
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diff changeset
198 s = self.getvar_s(varname, default)
495
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199 if isinstance(s, _TEXTTYPE):
412
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diff changeset
200 return float(s)
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diff changeset
201 else:
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diff changeset
202 return s
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diff changeset
203
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diff changeset
204 def getfirstfloatvar_s(self, varname, default=_MARKER):
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205 """Get a (possibly substituted) variable and convert text to a
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diff changeset
206 float
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diff changeset
207
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diff changeset
208 """
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diff changeset
209 s = self.getfirstvar_s(varname, default)
495
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diff changeset
210 if isinstance(s, _TEXTTYPE):
412
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diff changeset
211 return float(s)
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diff changeset
212 else:
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diff changeset
213 return s
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diff changeset
214
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diff changeset
215
495
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diff changeset
216 # Speed
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diff changeset
217 _EMPTY_STR = u("")
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218 _TEXTTYPE = type(_EMPTY_STR)
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219 _STARTTOK = u(b"{{")
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220 _ENDTOK = u(b"}}")
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221 _HIER_SEPARATOR = u(b'.')
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diff changeset
222 _NS_SEPARATOR = u(b':')
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diff changeset
223 _FILTER_SEPARATOR = u(b'|')
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diff changeset
224 _STARTTOK_REF = _STARTTOK + REF_NAMESPACE + _NS_SEPARATOR
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diff changeset
225 _ENDTOK_REF = _ENDTOK
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diff changeset
226 _DOT = u(b'.')
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227 _QUOTE = u(b'%')
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228 _QUOTE_x = u(b'x')
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229 _QUOTE_u = u(b'u')
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230 _QUOTE_U = u(b'U')
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231 _COMMENT = u(b'#')
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232 _QUOTE_MAP = {
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233 0x25: u(b'%x25'), # _QUOTE
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234 0x2e: u(b'%x2e'), # _DOT
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235 0x3a: u(b'%x3a'), # _NS_SEPARATOR
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236 0x23: u(b'%x23'), # _COMMENT / anchor
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237 0x7c: u(b'%x7c'), # _FILTER_SEPARATOR
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238 0x22: u(b'%x22'),
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239 0x27: u(b'%x27'),
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240 0x7b: u(b'%x7b'),
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241 0x7d: u(b'%x7d'),
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242 0x5b: u(b'%x5b'),
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243 0x5d: u(b'%x5d'),
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244 }
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245 _QUOTE_SAFE = u(b'abcdefghijklmnopqrstuvwxyz'
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246 b'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
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247 b'0123456789'
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248 b'-_@!$&/\\()=?*+~;,<>^')
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249 """Mostly used configuration key characters that do not need any quoting
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250
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251 """
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252
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253
502
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254 def quote(s):
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255 """Replace important special characters in string `s` by replacing
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256 them with ``%xNN`` where `NN` are the two hexadecimal digits of the
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diff changeset
257 characters unicode codepoint value.
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258
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259 Handled are the important special chars: ``%``, ``.``, ``:``,
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260 ``#``; ``'``, ``"``, ``|``, ``{``, ``}``, ``[`` and ``]``.
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261
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262 See also the :ref:`quoting` section.
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263
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264 """
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265 # Quick check whether all of the chars are in _QUOTE_SAFE
504
4dbc16ff2670 .lstrip() seems to be a little bit faster than .rstrip() when testing whether quoting is needed
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266 if not s.lstrip(_QUOTE_SAFE):
502
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267 return s
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268
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269 # Slow path
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270 re_encode = False
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271 if PY2:
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272 # Use the Unicode translation variant in PY2
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273 if isinstance(s, str):
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274 s = s.decode("latin1")
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275 re_encode = True
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276 s = s.translate(_QUOTE_MAP)
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277 if re_encode:
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278 return s.encode("latin1")
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279 else:
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280 return s
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281
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282
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283 def unquote(s):
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284 """Unquote the content of `s`: handle all patterns ``%xNN``,
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285 ``%uNNNN`` or ``%UNNNNNNNN``.
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286
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287 This is the inverse of :func:`.quote`.
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288
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289 """
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290 if _QUOTE not in s:
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291 return s
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292 parts = s.split(_QUOTE)
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293 res = [parts[0]]
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294 res_append = res.append
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295 for p in parts[1:]:
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296 try:
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297 qc = p[0]
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298 except IndexError:
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299 raise ValueError("unknown quote syntax string: {}".format(s))
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300 if qc == _QUOTE_x:
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diff changeset
301 if len(p) < 3:
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302 raise ValueError("quote syntax: length too small")
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diff changeset
303 res_append(uchr(int(p[1:3], 16)))
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diff changeset
304 res_append(p[3:])
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diff changeset
305 elif qc == _QUOTE_u:
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diff changeset
306 if len(p) < 5:
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diff changeset
307 raise ValueError("quote syntax: length too small")
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diff changeset
308 res_append(uchr(int(p[1:5], 16)))
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diff changeset
309 res_append(p[5:])
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diff changeset
310 elif qc == _QUOTE_U:
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diff changeset
311 if len(p) < 9:
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diff changeset
312 raise ValueError("quote syntax: length too small")
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diff changeset
313 res_append(uchr(int(p[1:9], 16)))
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diff changeset
314 res_append(p[9:])
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diff changeset
315 else:
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diff changeset
316 raise ValueError("unknown quote syntax string: {}".format(s))
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diff changeset
317 return _EMPTY_STR.join(res)
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diff changeset
318
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diff changeset
319
539
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diff changeset
320 def pathstr2path(varname):
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321 """Parse a dot-separated path string `varname` into a tuple of
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diff changeset
322 unquoted path items
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diff changeset
323
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diff changeset
324 :param str varname: The quoted and dot-separated path string
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325 :return: The unquoted and parsed path items
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diff changeset
326 :rtype: tuple
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diff changeset
327
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diff changeset
328 Used e.g. by :meth:`~.Configuration.getvar`,
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diff changeset
329 :meth:`~.Configuration.getvar_s` and :meth:`~.Configuration.jailed`.
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330
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diff changeset
331 The returned value is suitable as input for
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diff changeset
332 :meth:`~.Configuration.getvarl`, :meth:`~.Configuration.getvarl_s` and
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diff changeset
333 friends.
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diff changeset
334
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diff changeset
335 An empty `varname` returns an empty tuple.
9546d38cd3f8 Refactor: the parsing of the quoted and dot-separated path string is put into a function that handles also empty inputs properly
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parents: 531
diff changeset
336
9546d38cd3f8 Refactor: the parsing of the quoted and dot-separated path string is put into a function that handles also empty inputs properly
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parents: 531
diff changeset
337 """
9546d38cd3f8 Refactor: the parsing of the quoted and dot-separated path string is put into a function that handles also empty inputs properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 531
diff changeset
338 #
9546d38cd3f8 Refactor: the parsing of the quoted and dot-separated path string is put into a function that handles also empty inputs properly
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parents: 531
diff changeset
339 # Because str.split yields a non-empty list for an empty string handle
9546d38cd3f8 Refactor: the parsing of the quoted and dot-separated path string is put into a function that handles also empty inputs properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 531
diff changeset
340 # the empty string separately.
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Franz Glasner <fzglas.hg@dom66.de>
parents: 531
diff changeset
341 #
9546d38cd3f8 Refactor: the parsing of the quoted and dot-separated path string is put into a function that handles also empty inputs properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 531
diff changeset
342 if varname:
9546d38cd3f8 Refactor: the parsing of the quoted and dot-separated path string is put into a function that handles also empty inputs properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 531
diff changeset
343 return tuple([unquote(p) for p in varname.split(_HIER_SEPARATOR)])
9546d38cd3f8 Refactor: the parsing of the quoted and dot-separated path string is put into a function that handles also empty inputs properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 531
diff changeset
344 else:
9546d38cd3f8 Refactor: the parsing of the quoted and dot-separated path string is put into a function that handles also empty inputs properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 531
diff changeset
345 return tuple()
9546d38cd3f8 Refactor: the parsing of the quoted and dot-separated path string is put into a function that handles also empty inputs properly
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parents: 531
diff changeset
346
9546d38cd3f8 Refactor: the parsing of the quoted and dot-separated path string is put into a function that handles also empty inputs properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 531
diff changeset
347
541
25b61f0a1958 Docs for _split_ns() and _split_filters()
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parents: 540
diff changeset
348 def _split_ns(varname):
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parents: 540
diff changeset
349 """Split the variable name string `varname` into the namespace and
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Franz Glasner <fzglas.hg@dom66.de>
parents: 540
diff changeset
350 the namespace-specific name
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Franz Glasner <fzglas.hg@dom66.de>
parents: 540
diff changeset
351
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Franz Glasner <fzglas.hg@dom66.de>
parents: 540
diff changeset
352 :type varname: str
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Franz Glasner <fzglas.hg@dom66.de>
parents: 540
diff changeset
353 :return: A tuple containing the namespace (or `None`) and the
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Franz Glasner <fzglas.hg@dom66.de>
parents: 540
diff changeset
354 namespace-specific (variable-)name
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parents: 540
diff changeset
355 :rtype: tuple(str or None, str)
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Franz Glasner <fzglas.hg@dom66.de>
parents: 540
diff changeset
356
25b61f0a1958 Docs for _split_ns() and _split_filters()
Franz Glasner <fzglas.hg@dom66.de>
parents: 540
diff changeset
357 """
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Franz Glasner <fzglas.hg@dom66.de>
parents: 540
diff changeset
358
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Franz Glasner <fzglas.hg@dom66.de>
parents: 540
diff changeset
359 ns, sep, rest = varname.partition(_NS_SEPARATOR)
540
33856ae1cc0b _split_ns() and _split_filters() are now module-globals
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parents: 539
diff changeset
360 if sep:
33856ae1cc0b _split_ns() and _split_filters() are now module-globals
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parents: 539
diff changeset
361 return (unquote(ns), rest)
33856ae1cc0b _split_ns() and _split_filters() are now module-globals
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parents: 539
diff changeset
362 else:
33856ae1cc0b _split_ns() and _split_filters() are now module-globals
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parents: 539
diff changeset
363 return (None, ns)
33856ae1cc0b _split_ns() and _split_filters() are now module-globals
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parents: 539
diff changeset
364
33856ae1cc0b _split_ns() and _split_filters() are now module-globals
Franz Glasner <fzglas.hg@dom66.de>
parents: 539
diff changeset
365
541
25b61f0a1958 Docs for _split_ns() and _split_filters()
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parents: 540
diff changeset
366 def _split_filters(varname):
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parents: 540
diff changeset
367 """Split off the filter part from the `varname` string
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parents: 540
diff changeset
368
25b61f0a1958 Docs for _split_ns() and _split_filters()
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parents: 540
diff changeset
369 :type varname: str
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parents: 540
diff changeset
370 :return: The tuple of the variable name without the filters and a list
25b61f0a1958 Docs for _split_ns() and _split_filters()
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parents: 540
diff changeset
371 of filters
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parents: 540
diff changeset
372 :rtype: tuple(str, list)
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Franz Glasner <fzglas.hg@dom66.de>
parents: 540
diff changeset
373
25b61f0a1958 Docs for _split_ns() and _split_filters()
Franz Glasner <fzglas.hg@dom66.de>
parents: 540
diff changeset
374 """
25b61f0a1958 Docs for _split_ns() and _split_filters()
Franz Glasner <fzglas.hg@dom66.de>
parents: 540
diff changeset
375 name, sep, filters = varname.partition(_FILTER_SEPARATOR)
540
33856ae1cc0b _split_ns() and _split_filters() are now module-globals
Franz Glasner <fzglas.hg@dom66.de>
parents: 539
diff changeset
376 if sep:
33856ae1cc0b _split_ns() and _split_filters() are now module-globals
Franz Glasner <fzglas.hg@dom66.de>
parents: 539
diff changeset
377 filters = filters.strip()
33856ae1cc0b _split_ns() and _split_filters() are now module-globals
Franz Glasner <fzglas.hg@dom66.de>
parents: 539
diff changeset
378 if filters:
33856ae1cc0b _split_ns() and _split_filters() are now module-globals
Franz Glasner <fzglas.hg@dom66.de>
parents: 539
diff changeset
379 return (name.rstrip(),
33856ae1cc0b _split_ns() and _split_filters() are now module-globals
Franz Glasner <fzglas.hg@dom66.de>
parents: 539
diff changeset
380 filters.split(_FILTER_SEPARATOR))
33856ae1cc0b _split_ns() and _split_filters() are now module-globals
Franz Glasner <fzglas.hg@dom66.de>
parents: 539
diff changeset
381 else:
33856ae1cc0b _split_ns() and _split_filters() are now module-globals
Franz Glasner <fzglas.hg@dom66.de>
parents: 539
diff changeset
382 return (name.rstrip(), [])
33856ae1cc0b _split_ns() and _split_filters() are now module-globals
Franz Glasner <fzglas.hg@dom66.de>
parents: 539
diff changeset
383 else:
33856ae1cc0b _split_ns() and _split_filters() are now module-globals
Franz Glasner <fzglas.hg@dom66.de>
parents: 539
diff changeset
384 return (name, [])
33856ae1cc0b _split_ns() and _split_filters() are now module-globals
Franz Glasner <fzglas.hg@dom66.de>
parents: 539
diff changeset
385
33856ae1cc0b _split_ns() and _split_filters() are now module-globals
Franz Glasner <fzglas.hg@dom66.de>
parents: 539
diff changeset
386
412
816327e178b0 Provide coercing methods for the jailed configuration: getintXXX(), getboolXXX(), getfloatXXX() and friends.
Franz Glasner <fzglas.hg@dom66.de>
parents: 411
diff changeset
387 class Configuration(CoercingMethodsMixin, _AttributeDict):
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
388
18
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 17
diff changeset
389 """The configuration dictionary with attribute support or
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 17
diff changeset
390 variable substitution.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 17
diff changeset
391
322
4aa19e04ff65 Comment: typo
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 321
diff changeset
392 .. note:: When retrieving by attribute names variables will *not*
18
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 17
diff changeset
393 substituted.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 17
diff changeset
394
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 17
diff changeset
395 """
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 17
diff changeset
396
404
6a5aea02f3d0 Implement a ".is_jail" flag for configuration objects: to test/assert whether we expect a jail configuration
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 400
diff changeset
397 is_jail = False
6a5aea02f3d0 Implement a ".is_jail" flag for configuration objects: to test/assert whether we expect a jail configuration
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 400
diff changeset
398 """Flag to show that this is not a jail for another configuration"""
6a5aea02f3d0 Implement a ".is_jail" flag for configuration objects: to test/assert whether we expect a jail configuration
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 400
diff changeset
399
499
f46932e8a84c Configuration._lookupvar() now uses an internal cache (positive and negative).
Franz Glasner <fzglas.hg@dom66.de>
parents: 497
diff changeset
400 def __init__(self, *args, **kwds):
f46932e8a84c Configuration._lookupvar() now uses an internal cache (positive and negative).
Franz Glasner <fzglas.hg@dom66.de>
parents: 497
diff changeset
401 #
f46932e8a84c Configuration._lookupvar() now uses an internal cache (positive and negative).
Franz Glasner <fzglas.hg@dom66.de>
parents: 497
diff changeset
402 # PY2.7 compat: must be set before calling the superclass' __init__
f46932e8a84c Configuration._lookupvar() now uses an internal cache (positive and negative).
Franz Glasner <fzglas.hg@dom66.de>
parents: 497
diff changeset
403 #
526
48990863b905 Rename internal cache from __cache to __lookup_cache
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 525
diff changeset
404 self.__lookup_cache = {}
527
08924499db3c Implement a simple interpolation cache for text types
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 526
diff changeset
405 self.__interpolation_cache = {}
499
f46932e8a84c Configuration._lookupvar() now uses an internal cache (positive and negative).
Franz Glasner <fzglas.hg@dom66.de>
parents: 497
diff changeset
406 super(Configuration, self).__init__(*args, **kwds)
f46932e8a84c Configuration._lookupvar() now uses an internal cache (positive and negative).
Franz Glasner <fzglas.hg@dom66.de>
parents: 497
diff changeset
407
506
dffa692751b1 Implement clear_cache() for the configuration
Franz Glasner <fzglas.hg@dom66.de>
parents: 504
diff changeset
408 def clear_cache(self):
529
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 528
diff changeset
409 """Clear the internal lookup cache and the interpolation cache"""
526
48990863b905 Rename internal cache from __cache to __lookup_cache
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 525
diff changeset
410 self.__lookup_cache.clear()
527
08924499db3c Implement a simple interpolation cache for text types
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 526
diff changeset
411 self.__interpolation_cache.clear()
506
dffa692751b1 Implement clear_cache() for the configuration
Franz Glasner <fzglas.hg@dom66.de>
parents: 504
diff changeset
412
437
bbc5b64e137a - Dict-level access to a configuration key now does variable interpolation.
Franz Glasner <fzglas.hg@dom66.de>
parents: 432
diff changeset
413 def __getitem__(self, key):
469
Franz Glasner <fzglas.hg@dom66.de>
parents: 468
diff changeset
414 """Mapping and list interface that forwards to :meth:`~.getvarl_s`
437
bbc5b64e137a - Dict-level access to a configuration key now does variable interpolation.
Franz Glasner <fzglas.hg@dom66.de>
parents: 432
diff changeset
415
bbc5b64e137a - Dict-level access to a configuration key now does variable interpolation.
Franz Glasner <fzglas.hg@dom66.de>
parents: 432
diff changeset
416 """
bbc5b64e137a - Dict-level access to a configuration key now does variable interpolation.
Franz Glasner <fzglas.hg@dom66.de>
parents: 432
diff changeset
417 if isinstance(key, (tuple, list)):
bbc5b64e137a - Dict-level access to a configuration key now does variable interpolation.
Franz Glasner <fzglas.hg@dom66.de>
parents: 432
diff changeset
418 return self.getvarl_s(*key)
bbc5b64e137a - Dict-level access to a configuration key now does variable interpolation.
Franz Glasner <fzglas.hg@dom66.de>
parents: 432
diff changeset
419 else:
bbc5b64e137a - Dict-level access to a configuration key now does variable interpolation.
Franz Glasner <fzglas.hg@dom66.de>
parents: 432
diff changeset
420 return self.getvarl_s(key)
bbc5b64e137a - Dict-level access to a configuration key now does variable interpolation.
Franz Glasner <fzglas.hg@dom66.de>
parents: 432
diff changeset
421
442
94cf5a8722d6 Add proper .get() support for jailed and unjailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 441
diff changeset
422 def get(self, key, default=None):
94cf5a8722d6 Add proper .get() support for jailed and unjailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 441
diff changeset
423 """Mapping interface that forwards to :meth:`~.getvarl_s`
94cf5a8722d6 Add proper .get() support for jailed and unjailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 441
diff changeset
424
94cf5a8722d6 Add proper .get() support for jailed and unjailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 441
diff changeset
425 """
94cf5a8722d6 Add proper .get() support for jailed and unjailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 441
diff changeset
426 if isinstance(key, (tuple, list)):
94cf5a8722d6 Add proper .get() support for jailed and unjailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 441
diff changeset
427 return self.getvarl_s(*key, default=default)
94cf5a8722d6 Add proper .get() support for jailed and unjailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 441
diff changeset
428 else:
94cf5a8722d6 Add proper .get() support for jailed and unjailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 441
diff changeset
429 return self.getvarl_s(key, default=default)
94cf5a8722d6 Add proper .get() support for jailed and unjailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 441
diff changeset
430
439
bd27da55483a Optimized __contains__() implementation for jailed and unjailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 438
diff changeset
431 def __contains__(self, key):
469
Franz Glasner <fzglas.hg@dom66.de>
parents: 468
diff changeset
432 """Containment test"""
439
bd27da55483a Optimized __contains__() implementation for jailed and unjailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 438
diff changeset
433 if isinstance(key, (tuple, list)):
bd27da55483a Optimized __contains__() implementation for jailed and unjailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 438
diff changeset
434 # No namespace and quoting support here
bd27da55483a Optimized __contains__() implementation for jailed and unjailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 438
diff changeset
435 try:
bd27da55483a Optimized __contains__() implementation for jailed and unjailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 438
diff changeset
436 self._lookupvar(*key)
bd27da55483a Optimized __contains__() implementation for jailed and unjailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 438
diff changeset
437 except KeyError:
bd27da55483a Optimized __contains__() implementation for jailed and unjailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 438
diff changeset
438 return False
bd27da55483a Optimized __contains__() implementation for jailed and unjailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 438
diff changeset
439 else:
bd27da55483a Optimized __contains__() implementation for jailed and unjailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 438
diff changeset
440 return True
bd27da55483a Optimized __contains__() implementation for jailed and unjailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 438
diff changeset
441 else:
bd27da55483a Optimized __contains__() implementation for jailed and unjailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 438
diff changeset
442 return super(Configuration, self).__contains__(key)
bd27da55483a Optimized __contains__() implementation for jailed and unjailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 438
diff changeset
443
443
23941c014130 FIX: Merge properly when the configuration's __getitem__ do now interpolate: prohibit duplicate interpolation and interpolation while merging
Franz Glasner <fzglas.hg@dom66.de>
parents: 442
diff changeset
444 def getitem_ns(self, key):
23941c014130 FIX: Merge properly when the configuration's __getitem__ do now interpolate: prohibit duplicate interpolation and interpolation while merging
Franz Glasner <fzglas.hg@dom66.de>
parents: 442
diff changeset
445 """Just forward to the *original* :meth:`dict.__getitem__`.
23941c014130 FIX: Merge properly when the configuration's __getitem__ do now interpolate: prohibit duplicate interpolation and interpolation while merging
Franz Glasner <fzglas.hg@dom66.de>
parents: 442
diff changeset
446
23941c014130 FIX: Merge properly when the configuration's __getitem__ do now interpolate: prohibit duplicate interpolation and interpolation while merging
Franz Glasner <fzglas.hg@dom66.de>
parents: 442
diff changeset
447 No variable interpolation and key path access.
23941c014130 FIX: Merge properly when the configuration's __getitem__ do now interpolate: prohibit duplicate interpolation and interpolation while merging
Franz Glasner <fzglas.hg@dom66.de>
parents: 442
diff changeset
448
23941c014130 FIX: Merge properly when the configuration's __getitem__ do now interpolate: prohibit duplicate interpolation and interpolation while merging
Franz Glasner <fzglas.hg@dom66.de>
parents: 442
diff changeset
449 """
23941c014130 FIX: Merge properly when the configuration's __getitem__ do now interpolate: prohibit duplicate interpolation and interpolation while merging
Franz Glasner <fzglas.hg@dom66.de>
parents: 442
diff changeset
450 return super(Configuration, self).__getitem__(key)
23941c014130 FIX: Merge properly when the configuration's __getitem__ do now interpolate: prohibit duplicate interpolation and interpolation while merging
Franz Glasner <fzglas.hg@dom66.de>
parents: 442
diff changeset
451
517
328af767f5f8 Implement Configuration.items() and Configuration.values() without interpolating the values
Franz Glasner <fzglas.hg@dom66.de>
parents: 516
diff changeset
452 def items(self):
328af767f5f8 Implement Configuration.items() and Configuration.values() without interpolating the values
Franz Glasner <fzglas.hg@dom66.de>
parents: 516
diff changeset
453 """Items without interpolation"""
328af767f5f8 Implement Configuration.items() and Configuration.values() without interpolating the values
Franz Glasner <fzglas.hg@dom66.de>
parents: 516
diff changeset
454 for k in self:
328af767f5f8 Implement Configuration.items() and Configuration.values() without interpolating the values
Franz Glasner <fzglas.hg@dom66.de>
parents: 516
diff changeset
455 yield (k, self.getitem_ns(k))
328af767f5f8 Implement Configuration.items() and Configuration.values() without interpolating the values
Franz Glasner <fzglas.hg@dom66.de>
parents: 516
diff changeset
456
328af767f5f8 Implement Configuration.items() and Configuration.values() without interpolating the values
Franz Glasner <fzglas.hg@dom66.de>
parents: 516
diff changeset
457 def values(self):
328af767f5f8 Implement Configuration.items() and Configuration.values() without interpolating the values
Franz Glasner <fzglas.hg@dom66.de>
parents: 516
diff changeset
458 """Values without interpolation"""
328af767f5f8 Implement Configuration.items() and Configuration.values() without interpolating the values
Franz Glasner <fzglas.hg@dom66.de>
parents: 516
diff changeset
459 for k in self:
328af767f5f8 Implement Configuration.items() and Configuration.values() without interpolating the values
Franz Glasner <fzglas.hg@dom66.de>
parents: 516
diff changeset
460 yield self.getitem_ns(k)
328af767f5f8 Implement Configuration.items() and Configuration.values() without interpolating the values
Franz Glasner <fzglas.hg@dom66.de>
parents: 516
diff changeset
461
382
24db29162d09 Renamed "names" arguments into the more proper "path"
Franz Glasner <fzglas.hg@dom66.de>
parents: 381
diff changeset
462 def getvarl(self, *path, **kwds):
24db29162d09 Renamed "names" arguments into the more proper "path"
Franz Glasner <fzglas.hg@dom66.de>
parents: 381
diff changeset
463 """Get a variable where the hierarchy is given in `path` as sequence
380
bb4a90fb58e0 Docu: "namespace" in getvarl() is a keyword argument
Franz Glasner <fzglas.hg@dom66.de>
parents: 374
diff changeset
464 and the namespace is given in the `namespace` keyword argument.
314
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
465
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
466 No variable interpolation is done and no filters are applied.
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
467
382
24db29162d09 Renamed "names" arguments into the more proper "path"
Franz Glasner <fzglas.hg@dom66.de>
parents: 381
diff changeset
468 Quoting of `path` and `namespace` is *not* needed and wrong.
333
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
469
314
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
470 """
321
7a0f3c256cf4 FIX: Python2 compatibility: keyword arguments after *args not allowed: use **kwds and manual retrieval with .pop() instead
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 320
diff changeset
471 default = kwds.pop("default", _MARKER)
7a0f3c256cf4 FIX: Python2 compatibility: keyword arguments after *args not allowed: use **kwds and manual retrieval with .pop() instead
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 320
diff changeset
472 namespace = kwds.pop("namespace", None)
314
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
473 try:
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
474 if not namespace:
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
475 lookupfn = self._lookupvar
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
476 else:
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
477 if namespace == REF_NAMESPACE:
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
478 lookupfn = self._lookupref
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
479 else:
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
480 lookupfn = lookup_varns(namespace)
382
24db29162d09 Renamed "names" arguments into the more proper "path"
Franz Glasner <fzglas.hg@dom66.de>
parents: 381
diff changeset
481 varvalue = lookupfn(*path)
314
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
482 except KeyError:
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
483 if default is _MARKER:
382
24db29162d09 Renamed "names" arguments into the more proper "path"
Franz Glasner <fzglas.hg@dom66.de>
parents: 381
diff changeset
484 raise KeyError("Variable %r not found" % (path,))
314
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
485 else:
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
486 return default
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
487 else:
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
488 return varvalue
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
489
418
bb5f11abd12a Implement .getkeysl() and .getkeys() for configuration objects that iterate over all the keys of a configuration value
Franz Glasner <fzglas.hg@dom66.de>
parents: 417
diff changeset
490 def getkeysl(self, *path, **kwds):
bb5f11abd12a Implement .getkeysl() and .getkeys() for configuration objects that iterate over all the keys of a configuration value
Franz Glasner <fzglas.hg@dom66.de>
parents: 417
diff changeset
491 """Yield the keys of a variable value.
bb5f11abd12a Implement .getkeysl() and .getkeys() for configuration objects that iterate over all the keys of a configuration value
Franz Glasner <fzglas.hg@dom66.de>
parents: 417
diff changeset
492
bb5f11abd12a Implement .getkeysl() and .getkeys() for configuration objects that iterate over all the keys of a configuration value
Franz Glasner <fzglas.hg@dom66.de>
parents: 417
diff changeset
493 :rtype: A generator
bb5f11abd12a Implement .getkeysl() and .getkeys() for configuration objects that iterate over all the keys of a configuration value
Franz Glasner <fzglas.hg@dom66.de>
parents: 417
diff changeset
494 :raise KeyError:
bb5f11abd12a Implement .getkeysl() and .getkeys() for configuration objects that iterate over all the keys of a configuration value
Franz Glasner <fzglas.hg@dom66.de>
parents: 417
diff changeset
495
bb5f11abd12a Implement .getkeysl() and .getkeys() for configuration objects that iterate over all the keys of a configuration value
Franz Glasner <fzglas.hg@dom66.de>
parents: 417
diff changeset
496 .. note:: Dictionary keys are not subject to interpolation.
bb5f11abd12a Implement .getkeysl() and .getkeys() for configuration objects that iterate over all the keys of a configuration value
Franz Glasner <fzglas.hg@dom66.de>
parents: 417
diff changeset
497
bb5f11abd12a Implement .getkeysl() and .getkeys() for configuration objects that iterate over all the keys of a configuration value
Franz Glasner <fzglas.hg@dom66.de>
parents: 417
diff changeset
498 """
bb5f11abd12a Implement .getkeysl() and .getkeys() for configuration objects that iterate over all the keys of a configuration value
Franz Glasner <fzglas.hg@dom66.de>
parents: 417
diff changeset
499 if "default" in kwds:
bb5f11abd12a Implement .getkeysl() and .getkeys() for configuration objects that iterate over all the keys of a configuration value
Franz Glasner <fzglas.hg@dom66.de>
parents: 417
diff changeset
500 raise TypeError("got unexpected keyword argument: default")
bb5f11abd12a Implement .getkeysl() and .getkeys() for configuration objects that iterate over all the keys of a configuration value
Franz Glasner <fzglas.hg@dom66.de>
parents: 417
diff changeset
501 for k in self.getvarl(*path, **kwds).keys():
bb5f11abd12a Implement .getkeysl() and .getkeys() for configuration objects that iterate over all the keys of a configuration value
Franz Glasner <fzglas.hg@dom66.de>
parents: 417
diff changeset
502 yield k
bb5f11abd12a Implement .getkeysl() and .getkeys() for configuration objects that iterate over all the keys of a configuration value
Franz Glasner <fzglas.hg@dom66.de>
parents: 417
diff changeset
503
381
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
504 def getfirstvarl(self, *paths, **kwds):
385
4beeb291926d First documentation of getfirstvarl()
Franz Glasner <fzglas.hg@dom66.de>
parents: 384
diff changeset
505 """A variant of :meth:`~.getvarl` that returns the first found
4beeb291926d First documentation of getfirstvarl()
Franz Glasner <fzglas.hg@dom66.de>
parents: 384
diff changeset
506 variable in the `paths` list.
4beeb291926d First documentation of getfirstvarl()
Franz Glasner <fzglas.hg@dom66.de>
parents: 384
diff changeset
507
4beeb291926d First documentation of getfirstvarl()
Franz Glasner <fzglas.hg@dom66.de>
parents: 384
diff changeset
508 Every item in `paths` is either a `tuple` or `list` or a `dict`.
4beeb291926d First documentation of getfirstvarl()
Franz Glasner <fzglas.hg@dom66.de>
parents: 384
diff changeset
509 If the path item is a `dict` then it must have two keys "namespace"
4beeb291926d First documentation of getfirstvarl()
Franz Glasner <fzglas.hg@dom66.de>
parents: 384
diff changeset
510 and "path".
4beeb291926d First documentation of getfirstvarl()
Franz Glasner <fzglas.hg@dom66.de>
parents: 384
diff changeset
511 If the path item is a `list` or `tuple` then the namespace is assumed
4beeb291926d First documentation of getfirstvarl()
Franz Glasner <fzglas.hg@dom66.de>
parents: 384
diff changeset
512 to be `None`.
4beeb291926d First documentation of getfirstvarl()
Franz Glasner <fzglas.hg@dom66.de>
parents: 384
diff changeset
513
389
Franz Glasner <fzglas.hg@dom66.de>
parents: 388
diff changeset
514 Note that a caller that wants to use variables from a non-default
Franz Glasner <fzglas.hg@dom66.de>
parents: 388
diff changeset
515 namespace must use a sequence of dicts.
Franz Glasner <fzglas.hg@dom66.de>
parents: 388
diff changeset
516
385
4beeb291926d First documentation of getfirstvarl()
Franz Glasner <fzglas.hg@dom66.de>
parents: 384
diff changeset
517 No variable interpolation is done and no filters are applied.
4beeb291926d First documentation of getfirstvarl()
Franz Glasner <fzglas.hg@dom66.de>
parents: 384
diff changeset
518
4beeb291926d First documentation of getfirstvarl()
Franz Glasner <fzglas.hg@dom66.de>
parents: 384
diff changeset
519 Quoting of anything in `paths` is *not* needed and wrong.
4beeb291926d First documentation of getfirstvarl()
Franz Glasner <fzglas.hg@dom66.de>
parents: 384
diff changeset
520
395
0b3ffc34fa5c Begin a jailed configuration with access to a sub-tree of the original configuration
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 389
diff changeset
521 """
381
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
522 default = kwds.pop("default", _MARKER)
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
523 for path in paths:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
524 if isinstance(path, (list, tuple)):
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
525 try:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
526 varvalue = self.getvarl(*path)
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
527 except KeyError:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
528 pass
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
529 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
530 return varvalue
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
531 elif isinstance(path, dict):
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
532 try:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
533 namespace = path["namespace"]
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
534 p = path["path"]
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
535 except KeyError:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
536 raise TypeError("a paths dict item must have a `path'"
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
537 " and a `namespace' key")
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
538 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
539 try:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
540 varvalue = self.getvarl(*p, namespace=namespace)
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
541 except KeyError:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
542 pass
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
543 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
544 return varvalue
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
545 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
546 raise TypeError("a paths item must be a dict, list or tuple")
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
547 if default is _MARKER:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
548 raise KeyError(
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
549 "none of the given variables found: %r" % (paths,))
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
550 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
551 return default
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
552
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
553 def getvar(self, varname, default=_MARKER):
115
a5339d39af5c Begin the documentation of variables and its expansion
Franz Glasner <hg@dom66.de>
parents: 104
diff changeset
554 """Get a variable of the form ``[ns:][[key1.]key2.]name`` - including
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
555 variables from other namespaces.
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
556
202
2e66178a09d8 Docu: Ban "keyword expansion" -- use "variable interpolation" instead
Franz Glasner <fzglas.hg@dom66.de>
parents: 156
diff changeset
557 No variable interpolation is done and no filters are applied.
115
a5339d39af5c Begin the documentation of variables and its expansion
Franz Glasner <hg@dom66.de>
parents: 104
diff changeset
558
333
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
559 Special characters (e.g. ``:`` and ``.``) must be quoted when using
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
560 the default namespace.
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
561
502
4f90e1eb7af8 Make quote() and unquote() module globals and also export from configmix
Franz Glasner <fzglas.hg@dom66.de>
parents: 500
diff changeset
562 See also :func:`.quote`.
333
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
563
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
564 """
540
33856ae1cc0b _split_ns() and _split_filters() are now module-globals
Franz Glasner <fzglas.hg@dom66.de>
parents: 539
diff changeset
565 varns, varname = _split_ns(varname)
314
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
566 if not varns:
539
9546d38cd3f8 Refactor: the parsing of the quoted and dot-separated path string is put into a function that handles also empty inputs properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 531
diff changeset
567 return self.getvarl(*pathstr2path(varname), default=default)
314
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
568 else:
539
9546d38cd3f8 Refactor: the parsing of the quoted and dot-separated path string is put into a function that handles also empty inputs properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 531
diff changeset
569 return self.getvarl(varname, namespace=varns, default=default)
314
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
570
418
bb5f11abd12a Implement .getkeysl() and .getkeys() for configuration objects that iterate over all the keys of a configuration value
Franz Glasner <fzglas.hg@dom66.de>
parents: 417
diff changeset
571 def getkeys(self, varname):
bb5f11abd12a Implement .getkeysl() and .getkeys() for configuration objects that iterate over all the keys of a configuration value
Franz Glasner <fzglas.hg@dom66.de>
parents: 417
diff changeset
572 """Yield all the keys of a variable value.
bb5f11abd12a Implement .getkeysl() and .getkeys() for configuration objects that iterate over all the keys of a configuration value
Franz Glasner <fzglas.hg@dom66.de>
parents: 417
diff changeset
573
bb5f11abd12a Implement .getkeysl() and .getkeys() for configuration objects that iterate over all the keys of a configuration value
Franz Glasner <fzglas.hg@dom66.de>
parents: 417
diff changeset
574 :rtype: A generator
bb5f11abd12a Implement .getkeysl() and .getkeys() for configuration objects that iterate over all the keys of a configuration value
Franz Glasner <fzglas.hg@dom66.de>
parents: 417
diff changeset
575 :raise KeyError:
bb5f11abd12a Implement .getkeysl() and .getkeys() for configuration objects that iterate over all the keys of a configuration value
Franz Glasner <fzglas.hg@dom66.de>
parents: 417
diff changeset
576
bb5f11abd12a Implement .getkeysl() and .getkeys() for configuration objects that iterate over all the keys of a configuration value
Franz Glasner <fzglas.hg@dom66.de>
parents: 417
diff changeset
577 .. note:: Dictionary keys are not subject to interpolation.
bb5f11abd12a Implement .getkeysl() and .getkeys() for configuration objects that iterate over all the keys of a configuration value
Franz Glasner <fzglas.hg@dom66.de>
parents: 417
diff changeset
578
bb5f11abd12a Implement .getkeysl() and .getkeys() for configuration objects that iterate over all the keys of a configuration value
Franz Glasner <fzglas.hg@dom66.de>
parents: 417
diff changeset
579 """
bb5f11abd12a Implement .getkeysl() and .getkeys() for configuration objects that iterate over all the keys of a configuration value
Franz Glasner <fzglas.hg@dom66.de>
parents: 417
diff changeset
580 for k in self.getvar(varname).keys():
bb5f11abd12a Implement .getkeysl() and .getkeys() for configuration objects that iterate over all the keys of a configuration value
Franz Glasner <fzglas.hg@dom66.de>
parents: 417
diff changeset
581 yield k
bb5f11abd12a Implement .getkeysl() and .getkeys() for configuration objects that iterate over all the keys of a configuration value
Franz Glasner <fzglas.hg@dom66.de>
parents: 417
diff changeset
582
368
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
583 def getfirstvar(self, *varnames, **kwds):
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
584 """A variant of :meth:`~.getvar` that returns the first found variable
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
585 in the list of given variables in `varnames`.
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
586
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
587 """
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
588 default = kwds.pop("default", _MARKER)
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
589 for varname in varnames:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
590 try:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
591 varvalue = self.getvar(varname)
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
592 except KeyError:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
593 pass
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
594 else:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
595 return varvalue
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
596 if default is _MARKER:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
597 raise KeyError(
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
598 "none of the given variables found: %r" % (varnames,))
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
599 else:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
600 return default
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
601
382
24db29162d09 Renamed "names" arguments into the more proper "path"
Franz Glasner <fzglas.hg@dom66.de>
parents: 381
diff changeset
602 def getvarl_s(self, *path, **kwds):
314
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
603 """Get a variable - including variables from other namespaces.
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
604
382
24db29162d09 Renamed "names" arguments into the more proper "path"
Franz Glasner <fzglas.hg@dom66.de>
parents: 381
diff changeset
605 `path` and `namespace` are interpreted as in
314
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
606 :meth:`.getvarl`. But variables will be interpolated
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
607 recursively within the variable values and filters are
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
608 applied.
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
609
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
610 For more details see chapter :ref:`variable-interpolation`.
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
611
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
612 """
321
7a0f3c256cf4 FIX: Python2 compatibility: keyword arguments after *args not allowed: use **kwds and manual retrieval with .pop() instead
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 320
diff changeset
613 default = kwds.pop("default", _MARKER)
7a0f3c256cf4 FIX: Python2 compatibility: keyword arguments after *args not allowed: use **kwds and manual retrieval with .pop() instead
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 320
diff changeset
614 namespace = kwds.pop("namespace", None)
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
615 try:
382
24db29162d09 Renamed "names" arguments into the more proper "path"
Franz Glasner <fzglas.hg@dom66.de>
parents: 381
diff changeset
616 obj = self.getvarl(*path, namespace=namespace)
314
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
617 return self.substitute_variables_in_obj(obj)
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
618 except KeyError:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
619 if default is _MARKER:
314
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
620 raise
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
621 else:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
622 return default
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
623
381
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
624 def getfirstvarl_s(self, *paths, **kwds):
388
13427f37abab Docs: document Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 385
diff changeset
625 """A variant of :meth:`~.getfirstvarl` that does variable
13427f37abab Docs: document Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 385
diff changeset
626 interpolation.
13427f37abab Docs: document Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 385
diff changeset
627
13427f37abab Docs: document Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 385
diff changeset
628 `paths` and `kwds` are interpreted as in :meth:`.getfirstvarl`.
13427f37abab Docs: document Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 385
diff changeset
629 But variables will be interpolated
13427f37abab Docs: document Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 385
diff changeset
630 recursively within the variable values and filters are
13427f37abab Docs: document Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 385
diff changeset
631 applied.
13427f37abab Docs: document Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 385
diff changeset
632
13427f37abab Docs: document Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 385
diff changeset
633 For more details see chapter :ref:`variable-interpolation`.
13427f37abab Docs: document Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 385
diff changeset
634
13427f37abab Docs: document Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 385
diff changeset
635 """
381
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
636 default = kwds.pop("default", _MARKER)
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
637 for path in paths:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
638 if isinstance(path, (list, tuple)):
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
639 try:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
640 obj = self.getvarl(*path)
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
641 except KeyError:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
642 pass
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
643 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
644 return self.substitute_variables_in_obj(obj)
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
645
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
646 elif isinstance(path, dict):
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
647 try:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
648 namespace = path["namespace"]
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
649 p = path["path"]
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
650 except KeyError:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
651 raise TypeError("a paths dict item must have a `path'"
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
652 " and a `namespace' key")
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
653 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
654 try:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
655 obj = self.getvarl(*p, namespace=namespace)
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
656 except KeyError:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
657 pass
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
658 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
659 return self.substitute_variables_in_obj(obj)
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
660 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
661 raise TypeError("a paths item must be a dict, list or tuple")
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
662 if default is _MARKER:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
663 raise KeyError(
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
664 "none of the given variables found: %r" % (paths,))
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
665 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
666 return default
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
667
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
668 def getvar_s(self, varname, default=_MARKER):
24
fa65adab0b71 FIX: Typo in comment
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 23
diff changeset
669 """Get a variable - including variables from other namespaces.
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
670
115
a5339d39af5c Begin the documentation of variables and its expansion
Franz Glasner <hg@dom66.de>
parents: 104
diff changeset
671 `varname` is interpreted as in :meth:`.getvar`. But variables
202
2e66178a09d8 Docu: Ban "keyword expansion" -- use "variable interpolation" instead
Franz Glasner <fzglas.hg@dom66.de>
parents: 156
diff changeset
672 will be interpolated recursively within the variable values
2e66178a09d8 Docu: Ban "keyword expansion" -- use "variable interpolation" instead
Franz Glasner <fzglas.hg@dom66.de>
parents: 156
diff changeset
673 and filters are applied.
115
a5339d39af5c Begin the documentation of variables and its expansion
Franz Glasner <hg@dom66.de>
parents: 104
diff changeset
674
202
2e66178a09d8 Docu: Ban "keyword expansion" -- use "variable interpolation" instead
Franz Glasner <fzglas.hg@dom66.de>
parents: 156
diff changeset
675 For more details see chapter :ref:`variable-interpolation`.
115
a5339d39af5c Begin the documentation of variables and its expansion
Franz Glasner <hg@dom66.de>
parents: 104
diff changeset
676
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
677 """
540
33856ae1cc0b _split_ns() and _split_filters() are now module-globals
Franz Glasner <fzglas.hg@dom66.de>
parents: 539
diff changeset
678 varns, varname = _split_ns(varname)
539
9546d38cd3f8 Refactor: the parsing of the quoted and dot-separated path string is put into a function that handles also empty inputs properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 531
diff changeset
679 try:
9546d38cd3f8 Refactor: the parsing of the quoted and dot-separated path string is put into a function that handles also empty inputs properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 531
diff changeset
680 if not varns:
9546d38cd3f8 Refactor: the parsing of the quoted and dot-separated path string is put into a function that handles also empty inputs properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 531
diff changeset
681 return self.substitute_variables_in_obj(
9546d38cd3f8 Refactor: the parsing of the quoted and dot-separated path string is put into a function that handles also empty inputs properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 531
diff changeset
682 self.getvarl(*pathstr2path(varname)))
524
09b8e28b7a44 Implement Configuration.getvar_s() by using Configuration.getvarl() instead of Configuration.getvar().
Franz Glasner <fzglas.hg@dom66.de>
parents: 523
diff changeset
683 else:
539
9546d38cd3f8 Refactor: the parsing of the quoted and dot-separated path string is put into a function that handles also empty inputs properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 531
diff changeset
684 return self.substitute_variables_in_obj(
9546d38cd3f8 Refactor: the parsing of the quoted and dot-separated path string is put into a function that handles also empty inputs properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 531
diff changeset
685 self.getvarl(varname, namespace=varns))
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
686 except KeyError:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
687 if default is _MARKER:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
688 raise
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
689 else:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
690 return default
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
691
530
28191d61b042 FIX: Handle non-cacheable interpolations properly.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 529
diff changeset
692 def _getvar_s_with_cache_info(self, varname):
28191d61b042 FIX: Handle non-cacheable interpolations properly.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 529
diff changeset
693 """Internal variant of :meth:`~.getvar_s` that returns some information
28191d61b042 FIX: Handle non-cacheable interpolations properly.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 529
diff changeset
694 whether caching of interpolated values is allowed
28191d61b042 FIX: Handle non-cacheable interpolations properly.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 529
diff changeset
695
28191d61b042 FIX: Handle non-cacheable interpolations properly.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 529
diff changeset
696 Caching is currently not allowed when namespaces are used.
28191d61b042 FIX: Handle non-cacheable interpolations properly.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 529
diff changeset
697
28191d61b042 FIX: Handle non-cacheable interpolations properly.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 529
diff changeset
698 Currently used by :meth:`~.interpolate_variables`.
28191d61b042 FIX: Handle non-cacheable interpolations properly.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 529
diff changeset
699
28191d61b042 FIX: Handle non-cacheable interpolations properly.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 529
diff changeset
700 """
540
33856ae1cc0b _split_ns() and _split_filters() are now module-globals
Franz Glasner <fzglas.hg@dom66.de>
parents: 539
diff changeset
701 varns, varname = _split_ns(varname)
530
28191d61b042 FIX: Handle non-cacheable interpolations properly.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 529
diff changeset
702 if not varns:
539
9546d38cd3f8 Refactor: the parsing of the quoted and dot-separated path string is put into a function that handles also empty inputs properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 531
diff changeset
703 # no namespace -> cacheable
9546d38cd3f8 Refactor: the parsing of the quoted and dot-separated path string is put into a function that handles also empty inputs properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 531
diff changeset
704 return (
9546d38cd3f8 Refactor: the parsing of the quoted and dot-separated path string is put into a function that handles also empty inputs properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 531
diff changeset
705 self.substitute_variables_in_obj(
9546d38cd3f8 Refactor: the parsing of the quoted and dot-separated path string is put into a function that handles also empty inputs properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 531
diff changeset
706 self.getvarl(*pathstr2path(varname))),
9546d38cd3f8 Refactor: the parsing of the quoted and dot-separated path string is put into a function that handles also empty inputs properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 531
diff changeset
707 True
9546d38cd3f8 Refactor: the parsing of the quoted and dot-separated path string is put into a function that handles also empty inputs properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 531
diff changeset
708 )
530
28191d61b042 FIX: Handle non-cacheable interpolations properly.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 529
diff changeset
709 else:
539
9546d38cd3f8 Refactor: the parsing of the quoted and dot-separated path string is put into a function that handles also empty inputs properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 531
diff changeset
710 # results from namespaced lookups are currently not cacheable
9546d38cd3f8 Refactor: the parsing of the quoted and dot-separated path string is put into a function that handles also empty inputs properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 531
diff changeset
711 return (
9546d38cd3f8 Refactor: the parsing of the quoted and dot-separated path string is put into a function that handles also empty inputs properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 531
diff changeset
712 self.substitute_variables_in_obj(
9546d38cd3f8 Refactor: the parsing of the quoted and dot-separated path string is put into a function that handles also empty inputs properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 531
diff changeset
713 self.getvarl(varname, namespace=varns)),
9546d38cd3f8 Refactor: the parsing of the quoted and dot-separated path string is put into a function that handles also empty inputs properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 531
diff changeset
714 False
9546d38cd3f8 Refactor: the parsing of the quoted and dot-separated path string is put into a function that handles also empty inputs properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 531
diff changeset
715 )
530
28191d61b042 FIX: Handle non-cacheable interpolations properly.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 529
diff changeset
716
368
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
717 def getfirstvar_s(self, *varnames, **kwds):
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
718 """A variant of :meth:`~.getvar_s` that returns the first found
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
719 variable in the list of given variables in `varnames`.
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
720
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
721 """
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
722 default = kwds.pop("default", _MARKER)
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
723 for varname in varnames:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
724 try:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
725 obj = self.getvar(varname)
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
726 except KeyError:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
727 pass
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
728 else:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
729 return self.substitute_variables_in_obj(obj)
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
730 if default is _MARKER:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
731 raise KeyError(
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
732 "none of the given variables found: %r" % (varnames,))
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
733 else:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
734 return default
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
735
489
b49164db1273 Remove unused keyword params for ._lookupvar().
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 488
diff changeset
736 def _lookupvar(self, *path):
314
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
737 """Lookup a variable within a hierarchy.
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
738
489
b49164db1273 Remove unused keyword params for ._lookupvar().
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 488
diff changeset
739 :raise KeyError: An unexisting `path` raises a `KeyError`
b49164db1273 Remove unused keyword params for ._lookupvar().
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 488
diff changeset
740
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
741 """
419
079a82129110 Allow the empty variable name to retrieve the root configuration object
Franz Glasner <fzglas.hg@dom66.de>
parents: 418
diff changeset
742 if not path:
079a82129110 Allow the empty variable name to retrieve the root configuration object
Franz Glasner <fzglas.hg@dom66.de>
parents: 418
diff changeset
743 return self
526
48990863b905 Rename internal cache from __cache to __lookup_cache
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 525
diff changeset
744 v = self.__lookup_cache.get(path, _MARKER)
499
f46932e8a84c Configuration._lookupvar() now uses an internal cache (positive and negative).
Franz Glasner <fzglas.hg@dom66.de>
parents: 497
diff changeset
745 if v is not _MARKER:
f46932e8a84c Configuration._lookupvar() now uses an internal cache (positive and negative).
Franz Glasner <fzglas.hg@dom66.de>
parents: 497
diff changeset
746 if v is _MISSING:
f46932e8a84c Configuration._lookupvar() now uses an internal cache (positive and negative).
Franz Glasner <fzglas.hg@dom66.de>
parents: 497
diff changeset
747 raise KeyError(
f46932e8a84c Configuration._lookupvar() now uses an internal cache (positive and negative).
Franz Glasner <fzglas.hg@dom66.de>
parents: 497
diff changeset
748 "Configuration variable %r not found"
f46932e8a84c Configuration._lookupvar() now uses an internal cache (positive and negative).
Franz Glasner <fzglas.hg@dom66.de>
parents: 497
diff changeset
749 " (negative internal cache value)" % (path,))
f46932e8a84c Configuration._lookupvar() now uses an internal cache (positive and negative).
Franz Glasner <fzglas.hg@dom66.de>
parents: 497
diff changeset
750 else:
f46932e8a84c Configuration._lookupvar() now uses an internal cache (positive and negative).
Franz Glasner <fzglas.hg@dom66.de>
parents: 497
diff changeset
751 return v
493
6a0f761ff35b Remove default (i.e. all keyword arguments) from .expand_if_reference() because no-one uses it
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 491
diff changeset
752 eiref = self.expand_if_reference
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
753 try:
493
6a0f761ff35b Remove default (i.e. all keyword arguments) from .expand_if_reference() because no-one uses it
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 491
diff changeset
754 v = eiref(super(Configuration, self).__getitem__(path[0]))
382
24db29162d09 Renamed "names" arguments into the more proper "path"
Franz Glasner <fzglas.hg@dom66.de>
parents: 381
diff changeset
755 for p in path[1:]:
493
6a0f761ff35b Remove default (i.e. all keyword arguments) from .expand_if_reference() because no-one uses it
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 491
diff changeset
756 v = eiref(v[p])
104
d9f9a06e0c49 Make a better error message for "TypeError" exceptions when looking up variables.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 82
diff changeset
757 except TypeError:
526
48990863b905 Rename internal cache from __cache to __lookup_cache
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 525
diff changeset
758 self.__lookup_cache[path] = _MISSING
207
b3b5ed34d180 Handle most flake8 errors and warnings.
Franz Glasner <fzglas.hg@dom66.de>
parents: 202
diff changeset
759 raise KeyError(
b3b5ed34d180 Handle most flake8 errors and warnings.
Franz Glasner <fzglas.hg@dom66.de>
parents: 202
diff changeset
760 "Configuration variable %r not found"
382
24db29162d09 Renamed "names" arguments into the more proper "path"
Franz Glasner <fzglas.hg@dom66.de>
parents: 381
diff changeset
761 "(missing intermediate keys?)" % (path,))
499
f46932e8a84c Configuration._lookupvar() now uses an internal cache (positive and negative).
Franz Glasner <fzglas.hg@dom66.de>
parents: 497
diff changeset
762 except KeyError:
526
48990863b905 Rename internal cache from __cache to __lookup_cache
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 525
diff changeset
763 self.__lookup_cache[path] = _MISSING
499
f46932e8a84c Configuration._lookupvar() now uses an internal cache (positive and negative).
Franz Glasner <fzglas.hg@dom66.de>
parents: 497
diff changeset
764 raise
526
48990863b905 Rename internal cache from __cache to __lookup_cache
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 525
diff changeset
765 self.__lookup_cache[path] = v
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
766 return v
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
767
518
55b8aed70f7d Remove unneeded "default" keyword argument for Configuration._lookupref() and Configuration.expand_ref_uri()
Franz Glasner <fzglas.hg@dom66.de>
parents: 517
diff changeset
768 def _lookupref(self, key):
305
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
769 """
311
Franz Glasner <fzglas.hg@dom66.de>
parents: 310
diff changeset
770
Franz Glasner <fzglas.hg@dom66.de>
parents: 310
diff changeset
771 `key` must be a configuration reference URI without any
Franz Glasner <fzglas.hg@dom66.de>
parents: 310
diff changeset
772 (namespace) prefixes and suffixes
305
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
773
519
Franz Glasner <fzglas.hg@dom66.de>
parents: 518
diff changeset
774 :raise KeyError: If the reference is not found
Franz Glasner <fzglas.hg@dom66.de>
parents: 518
diff changeset
775
305
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
776 """
518
55b8aed70f7d Remove unneeded "default" keyword argument for Configuration._lookupref() and Configuration.expand_ref_uri()
Franz Glasner <fzglas.hg@dom66.de>
parents: 517
diff changeset
777 return self.expand_ref_uri(key)
305
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
778
493
6a0f761ff35b Remove default (i.e. all keyword arguments) from .expand_if_reference() because no-one uses it
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 491
diff changeset
779 def expand_if_reference(self, v):
311
Franz Glasner <fzglas.hg@dom66.de>
parents: 310
diff changeset
780 """Check whether `v` is a configuration reference and -- if true --
Franz Glasner <fzglas.hg@dom66.de>
parents: 310
diff changeset
781 then expand it.
305
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
782
310
801cd16223e4 FIX: Docu
Franz Glasner <fzglas.hg@dom66.de>
parents: 305
diff changeset
783 `v` must match the pattern ``{{ref:<REFERENCE>}}``
305
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
784
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
785 All non-matching texttypes and all non-texttypes are returned
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
786 unchanged.
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
787
493
6a0f761ff35b Remove default (i.e. all keyword arguments) from .expand_if_reference() because no-one uses it
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 491
diff changeset
788 :raise KeyError: If the reverence cannot found
6a0f761ff35b Remove default (i.e. all keyword arguments) from .expand_if_reference() because no-one uses it
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 491
diff changeset
789
305
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
790 """
495
3f0c932588fc Performance: module-level variable lookup is much faster (similar to local) than class-level (either via CLASS.VARIABLE or self.VARIABLE).
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 493
diff changeset
791 if not isinstance(v, _TEXTTYPE):
305
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
792 return v
495
3f0c932588fc Performance: module-level variable lookup is much faster (similar to local) than class-level (either via CLASS.VARIABLE or self.VARIABLE).
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 493
diff changeset
793 if v.startswith(_STARTTOK_REF) and v.endswith(_ENDTOK_REF):
488
298510ec8171 Simplify logic by not using many negations
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 487
diff changeset
794 return self.expand_ref_uri(
495
3f0c932588fc Performance: module-level variable lookup is much faster (similar to local) than class-level (either via CLASS.VARIABLE or self.VARIABLE).
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 493
diff changeset
795 v[len(_STARTTOK_REF):-len(_ENDTOK_REF)])
488
298510ec8171 Simplify logic by not using many negations
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 487
diff changeset
796 else:
305
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
797 return v
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
798
518
55b8aed70f7d Remove unneeded "default" keyword argument for Configuration._lookupref() and Configuration.expand_ref_uri()
Franz Glasner <fzglas.hg@dom66.de>
parents: 517
diff changeset
799 def expand_ref_uri(self, uri):
519
Franz Glasner <fzglas.hg@dom66.de>
parents: 518
diff changeset
800 """
Franz Glasner <fzglas.hg@dom66.de>
parents: 518
diff changeset
801
Franz Glasner <fzglas.hg@dom66.de>
parents: 518
diff changeset
802 :raises KeyError: If the reference URI is not found
Franz Glasner <fzglas.hg@dom66.de>
parents: 518
diff changeset
803
Franz Glasner <fzglas.hg@dom66.de>
parents: 518
diff changeset
804 """
305
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
805 pu = urlsplit(uri)
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
806 if pu.scheme or pu.netloc or pu.path or pu.query:
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
807 raise ValueError("only fragment-only URIs are supported")
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
808 if not pu.fragment:
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
809 return self
495
3f0c932588fc Performance: module-level variable lookup is much faster (similar to local) than class-level (either via CLASS.VARIABLE or self.VARIABLE).
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 493
diff changeset
810 if pu.fragment.startswith(_DOT):
305
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
811 raise ValueError("relative refs not supported")
518
55b8aed70f7d Remove unneeded "default" keyword argument for Configuration._lookupref() and Configuration.expand_ref_uri()
Franz Glasner <fzglas.hg@dom66.de>
parents: 517
diff changeset
812 return self.getvar(pu.fragment)
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
813
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
814 def substitute_variables_in_obj(self, obj):
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
815 """Recursively expand variables in the object tree `obj`."""
491
de776953337b Remove repeated type(obj) calls
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 490
diff changeset
816 ty = type(obj)
495
3f0c932588fc Performance: module-level variable lookup is much faster (similar to local) than class-level (either via CLASS.VARIABLE or self.VARIABLE).
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 493
diff changeset
817 if issubclass(ty, _TEXTTYPE):
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
818 # a string - really replace the value
525
be6ef72c55d5 Change Configuration.expand_variable() to Configuration.interpolate_variables()
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 524
diff changeset
819 return self.interpolate_variables(obj)
491
de776953337b Remove repeated type(obj) calls
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 490
diff changeset
820 elif issubclass(ty, dict):
de776953337b Remove repeated type(obj) calls
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 490
diff changeset
821 newdict = ty()
497
8e516f17cf95 Optimize .substitute_variables_in_obj: use dict.items() to avoid one dict lookup
Franz Glasner <fzglas.hg@dom66.de>
parents: 495
diff changeset
822 for k, v in obj.items():
8e516f17cf95 Optimize .substitute_variables_in_obj: use dict.items() to avoid one dict lookup
Franz Glasner <fzglas.hg@dom66.de>
parents: 495
diff changeset
823 newdict[k] = self.substitute_variables_in_obj(v)
490
ea4b7fac02d6 Reorder type comparisons by usage
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 489
diff changeset
824 return newdict
491
de776953337b Remove repeated type(obj) calls
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 490
diff changeset
825 elif issubclass(ty, list):
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
826 return [self.substitute_variables_in_obj(i) for i in obj]
491
de776953337b Remove repeated type(obj) calls
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 490
diff changeset
827 elif issubclass(ty, tuple):
512
bf8a1b1498db Remove a temporary variable usage
Franz Glasner <fzglas.hg@dom66.de>
parents: 511
diff changeset
828 return ty([self.substitute_variables_in_obj(i) for i in obj])
491
de776953337b Remove repeated type(obj) calls
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 490
diff changeset
829 elif issubclass(ty, set):
de776953337b Remove repeated type(obj) calls
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 490
diff changeset
830 newset = ty()
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
831 for i in obj:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
832 newset.add(self.substitute_variables_in_obj(i))
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
833 else:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
834 return obj
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
835
525
be6ef72c55d5 Change Configuration.expand_variable() to Configuration.interpolate_variables()
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 524
diff changeset
836 def interpolate_variables(self, s):
be6ef72c55d5 Change Configuration.expand_variable() to Configuration.interpolate_variables()
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 524
diff changeset
837 """Expand all variables in the single string `s`"""
495
3f0c932588fc Performance: module-level variable lookup is much faster (similar to local) than class-level (either via CLASS.VARIABLE or self.VARIABLE).
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 493
diff changeset
838 start = s.find(_STARTTOK, 0)
484
0259bd521729 Avoid repeaded string concatenations in .expand_variable(): use a list of string parts and proper indexes into the source string
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 483
diff changeset
839 if start < 0:
0259bd521729 Avoid repeaded string concatenations in .expand_variable(): use a list of string parts and proper indexes into the source string
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 483
diff changeset
840 return s
527
08924499db3c Implement a simple interpolation cache for text types
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 526
diff changeset
841 res = self.__interpolation_cache.get(s, _MARKER)
08924499db3c Implement a simple interpolation cache for text types
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 526
diff changeset
842 if res is not _MARKER:
530
28191d61b042 FIX: Handle non-cacheable interpolations properly.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 529
diff changeset
843 if res is _MISSING:
28191d61b042 FIX: Handle non-cacheable interpolations properly.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 529
diff changeset
844 warnings.warn("Cannot interpolate variables in string "
28191d61b042 FIX: Handle non-cacheable interpolations properly.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 529
diff changeset
845 "%r (cached)" % (s, ),
28191d61b042 FIX: Handle non-cacheable interpolations properly.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 529
diff changeset
846 UserWarning,
28191d61b042 FIX: Handle non-cacheable interpolations properly.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 529
diff changeset
847 stacklevel=1)
28191d61b042 FIX: Handle non-cacheable interpolations properly.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 529
diff changeset
848 raise KeyError("Cannot interpolate variables in string "
28191d61b042 FIX: Handle non-cacheable interpolations properly.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 529
diff changeset
849 "%r (cached)" % (s, ))
28191d61b042 FIX: Handle non-cacheable interpolations properly.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 529
diff changeset
850 else:
28191d61b042 FIX: Handle non-cacheable interpolations properly.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 529
diff changeset
851 return res
515
3387a9d5fb12 Performance: compute the length of the constant input strinc only once and compute the new rest earlier and use the computed value also in comparisons
Franz Glasner <fzglas.hg@dom66.de>
parents: 513
diff changeset
852 len_s = len(s)
484
0259bd521729 Avoid repeaded string concatenations in .expand_variable(): use a list of string parts and proper indexes into the source string
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 483
diff changeset
853 res = []
0259bd521729 Avoid repeaded string concatenations in .expand_variable(): use a list of string parts and proper indexes into the source string
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 483
diff changeset
854 res_append = res.append
0259bd521729 Avoid repeaded string concatenations in .expand_variable(): use a list of string parts and proper indexes into the source string
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 483
diff changeset
855 rest = 0
530
28191d61b042 FIX: Handle non-cacheable interpolations properly.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 529
diff changeset
856 use_cache = True
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
857 while start != -1:
484
0259bd521729 Avoid repeaded string concatenations in .expand_variable(): use a list of string parts and proper indexes into the source string
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 483
diff changeset
858 res_append(s[rest:start])
495
3f0c932588fc Performance: module-level variable lookup is much faster (similar to local) than class-level (either via CLASS.VARIABLE or self.VARIABLE).
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 493
diff changeset
859 end = s.find(_ENDTOK, start)
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
860 if end < 0:
484
0259bd521729 Avoid repeaded string concatenations in .expand_variable(): use a list of string parts and proper indexes into the source string
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 483
diff changeset
861 rest = start
0259bd521729 Avoid repeaded string concatenations in .expand_variable(): use a list of string parts and proper indexes into the source string
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 483
diff changeset
862 break
540
33856ae1cc0b _split_ns() and _split_filters() are now module-globals
Franz Glasner <fzglas.hg@dom66.de>
parents: 539
diff changeset
863 varname, filters = _split_filters(
539
9546d38cd3f8 Refactor: the parsing of the quoted and dot-separated path string is put into a function that handles also empty inputs properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 531
diff changeset
864 s[start+2:end]) # noqa: E226
39
8715e5cc59ac Print a warning if a variable cannot be expanded.
Franz Glasner <hg@dom66.de>
parents: 36
diff changeset
865 try:
530
28191d61b042 FIX: Handle non-cacheable interpolations properly.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 529
diff changeset
866 varvalue, cacheable = self._getvar_s_with_cache_info(varname)
528
54a8d020f5d5 Apply None and Empty interpolation filters only on KeyErrors
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 527
diff changeset
867 except KeyError:
530
28191d61b042 FIX: Handle non-cacheable interpolations properly.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 529
diff changeset
868 cacheable = True
528
54a8d020f5d5 Apply None and Empty interpolation filters only on KeyErrors
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 527
diff changeset
869 if NONE_FILTER in filters:
54a8d020f5d5 Apply None and Empty interpolation filters only on KeyErrors
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 527
diff changeset
870 varvalue = None
54a8d020f5d5 Apply None and Empty interpolation filters only on KeyErrors
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 527
diff changeset
871 elif EMPTY_FILTER in filters:
54a8d020f5d5 Apply None and Empty interpolation filters only on KeyErrors
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 527
diff changeset
872 varvalue = _EMPTY_STR
349
83f76a41cf7c Implement a special filter named "None" that suppresses "KeyErrors" from interpolation lookups and returns a Python "None" instead
Franz Glasner <fzglas.hg@dom66.de>
parents: 334
diff changeset
873 else:
530
28191d61b042 FIX: Handle non-cacheable interpolations properly.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 529
diff changeset
874 self.__interpolation_cache[s] = _MISSING
28191d61b042 FIX: Handle non-cacheable interpolations properly.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 529
diff changeset
875 warnings.warn("Cannot interpolate variable %r in string "
528
54a8d020f5d5 Apply None and Empty interpolation filters only on KeyErrors
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 527
diff changeset
876 "%r" % (varname, s, ),
54a8d020f5d5 Apply None and Empty interpolation filters only on KeyErrors
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 527
diff changeset
877 UserWarning,
54a8d020f5d5 Apply None and Empty interpolation filters only on KeyErrors
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 527
diff changeset
878 stacklevel=1)
54a8d020f5d5 Apply None and Empty interpolation filters only on KeyErrors
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 527
diff changeset
879 raise
530
28191d61b042 FIX: Handle non-cacheable interpolations properly.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 529
diff changeset
880 if not cacheable:
28191d61b042 FIX: Handle non-cacheable interpolations properly.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 529
diff changeset
881 use_cache = False
528
54a8d020f5d5 Apply None and Empty interpolation filters only on KeyErrors
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 527
diff changeset
882 varvalue = self._apply_filters(filters, varvalue)
515
3387a9d5fb12 Performance: compute the length of the constant input strinc only once and compute the new rest earlier and use the computed value also in comparisons
Franz Glasner <fzglas.hg@dom66.de>
parents: 513
diff changeset
883 rest = end + 2
251
2a8dcab2de8c Do not implicitely convert a configuration value to text if the value is the result of just a variable expansion.
Franz Glasner <fzglas.hg@dom66.de>
parents: 250
diff changeset
884 #
350
9d729c479dc2 FIX: Do not apply the type convertion None -> "" if the expansions comprises the whole expression
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 349
diff changeset
885 # Dont apply and type conversions to the variable value if
9d729c479dc2 FIX: Do not apply the type convertion None -> "" if the expansions comprises the whole expression
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 349
diff changeset
886 # the whole `s` is just one expansion
251
2a8dcab2de8c Do not implicitely convert a configuration value to text if the value is the result of just a variable expansion.
Franz Glasner <fzglas.hg@dom66.de>
parents: 250
diff changeset
887 #
515
3387a9d5fb12 Performance: compute the length of the constant input strinc only once and compute the new rest earlier and use the computed value also in comparisons
Franz Glasner <fzglas.hg@dom66.de>
parents: 513
diff changeset
888 if (start == 0) and (rest == len_s):
530
28191d61b042 FIX: Handle non-cacheable interpolations properly.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 529
diff changeset
889 if use_cache:
28191d61b042 FIX: Handle non-cacheable interpolations properly.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 529
diff changeset
890 self.__interpolation_cache[s] = varvalue
251
2a8dcab2de8c Do not implicitely convert a configuration value to text if the value is the result of just a variable expansion.
Franz Glasner <fzglas.hg@dom66.de>
parents: 250
diff changeset
891 return varvalue
516
ad1e630ba736 FIX: Do not filter-out all False values then interpolating (zero int, boolean False)
Franz Glasner <fzglas.hg@dom66.de>
parents: 515
diff changeset
892 if varvalue is None:
484
0259bd521729 Avoid repeaded string concatenations in .expand_variable(): use a list of string parts and proper indexes into the source string
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 483
diff changeset
893 pass
0259bd521729 Avoid repeaded string concatenations in .expand_variable(): use a list of string parts and proper indexes into the source string
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 483
diff changeset
894 else:
487
d7f6f2afcee2 Instead of using u(str(v)) use specialized functions for PY2 and PY3
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 485
diff changeset
895 res_append(str_and_u(varvalue))
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
896 # don't re-evaluate because `self.getvar_s()` expands already
495
3f0c932588fc Performance: module-level variable lookup is much faster (similar to local) than class-level (either via CLASS.VARIABLE or self.VARIABLE).
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 493
diff changeset
897 start = s.find(_STARTTOK, rest)
484
0259bd521729 Avoid repeaded string concatenations in .expand_variable(): use a list of string parts and proper indexes into the source string
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 483
diff changeset
898 res_append(s[rest:])
527
08924499db3c Implement a simple interpolation cache for text types
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 526
diff changeset
899 res = _EMPTY_STR.join(res)
530
28191d61b042 FIX: Handle non-cacheable interpolations properly.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 529
diff changeset
900 if use_cache:
28191d61b042 FIX: Handle non-cacheable interpolations properly.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 529
diff changeset
901 self.__interpolation_cache[s] = res
527
08924499db3c Implement a simple interpolation cache for text types
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 526
diff changeset
902 return res
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
903
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
904 def _apply_filters(self, filters, value):
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
905 for name in filters:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
906 try:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
907 filterfn = lookup_filter(name)
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
908 except KeyError:
40
8d66aef2f7fb Comment about exceptions when filters are missing.
Franz Glasner <hg@dom66.de>
parents: 39
diff changeset
909 #
8d66aef2f7fb Comment about exceptions when filters are missing.
Franz Glasner <hg@dom66.de>
parents: 39
diff changeset
910 # Convert to NameError because we find a missing filters
8d66aef2f7fb Comment about exceptions when filters are missing.
Franz Glasner <hg@dom66.de>
parents: 39
diff changeset
911 # a very serious error.
8d66aef2f7fb Comment about exceptions when filters are missing.
Franz Glasner <hg@dom66.de>
parents: 39
diff changeset
912 #
521
1001701be682 Formatting of NameErrors in ._apply_filters(): put "name" into a tuple explicitely
Franz Glasner <fzglas.hg@dom66.de>
parents: 519
diff changeset
913 raise NameError("Filter %r not found" % (name, ))
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
914 else:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
915 value = filterfn(self, value)
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
916 return value
320
98490375d90c Allow variable name quoting to be used in .getvar() and .getvar_s() and references
Franz Glasner <fzglas.hg@dom66.de>
parents: 314
diff changeset
917
411
3c95faa91dad Optimize the creation of a jailed config.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 406
diff changeset
918 def jailed(self, rootpath=None, root=None, bind_root=True):
399
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
919 """Return a "jailed" configuration of the current configuration.
395
0b3ffc34fa5c Begin a jailed configuration with access to a sub-tree of the original configuration
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 389
diff changeset
920
399
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
921 :param rootpath: a sequence of strings that shall emcompass
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
922 the chroot-like jail of the returned
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
923 configuration
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
924 :type rootpath: list or tuple
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
925 :param str root: a string path expression that shall encompass
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
926 the chroot-like jail of the returned configuration
411
3c95faa91dad Optimize the creation of a jailed config.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 406
diff changeset
927 :param bool bind_root: if you do a :meth:`~.rebind` just after
3c95faa91dad Optimize the creation of a jailed config.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 406
diff changeset
928 creation of a jailed config you can set
3c95faa91dad Optimize the creation of a jailed config.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 406
diff changeset
929 `bind_root` to `False`; otherwise use
3c95faa91dad Optimize the creation of a jailed config.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 406
diff changeset
930 the default
397
Franz Glasner <fzglas.hg@dom66.de>
parents: 396
diff changeset
931 :return: a jailed (aka restricted) configuration
Franz Glasner <fzglas.hg@dom66.de>
parents: 396
diff changeset
932 :rtype: _JailedConfiguration
Franz Glasner <fzglas.hg@dom66.de>
parents: 396
diff changeset
933
399
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
934 Exactly one of `rootpath` or `root` must be given.
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
935
395
0b3ffc34fa5c Begin a jailed configuration with access to a sub-tree of the original configuration
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 389
diff changeset
936 """
0b3ffc34fa5c Begin a jailed configuration with access to a sub-tree of the original configuration
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 389
diff changeset
937 if rootpath is not None and root is not None:
0b3ffc34fa5c Begin a jailed configuration with access to a sub-tree of the original configuration
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 389
diff changeset
938 raise ValueError("only one of `rootpath' or `root' can be given")
0b3ffc34fa5c Begin a jailed configuration with access to a sub-tree of the original configuration
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 389
diff changeset
939 if rootpath is None and root is None:
0b3ffc34fa5c Begin a jailed configuration with access to a sub-tree of the original configuration
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 389
diff changeset
940 raise ValueError("one of `rootpath' or `root' must be given")
416
2abde0d3c735 FIX: Handle .jailed() with an empty "root" properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 412
diff changeset
941 if rootpath is not None and not isinstance(rootpath, (list, tuple)):
2abde0d3c735 FIX: Handle .jailed() with an empty "root" properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 412
diff changeset
942 raise TypeError("`rootpath' must be a list or a tuple")
395
0b3ffc34fa5c Begin a jailed configuration with access to a sub-tree of the original configuration
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 389
diff changeset
943 if root is not None:
0b3ffc34fa5c Begin a jailed configuration with access to a sub-tree of the original configuration
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 389
diff changeset
944 # convert to path
540
33856ae1cc0b _split_ns() and _split_filters() are now module-globals
Franz Glasner <fzglas.hg@dom66.de>
parents: 539
diff changeset
945 varns, varname = _split_ns(root)
395
0b3ffc34fa5c Begin a jailed configuration with access to a sub-tree of the original configuration
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 389
diff changeset
946 if varns:
0b3ffc34fa5c Begin a jailed configuration with access to a sub-tree of the original configuration
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 389
diff changeset
947 raise ValueError(
0b3ffc34fa5c Begin a jailed configuration with access to a sub-tree of the original configuration
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 389
diff changeset
948 "jailed configurations do not support namespaces")
539
9546d38cd3f8 Refactor: the parsing of the quoted and dot-separated path string is put into a function that handles also empty inputs properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 531
diff changeset
949 rootpath = pathstr2path(root)
411
3c95faa91dad Optimize the creation of a jailed config.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 406
diff changeset
950 jc = _JailedConfiguration(*rootpath)
3c95faa91dad Optimize the creation of a jailed config.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 406
diff changeset
951 if bind_root:
3c95faa91dad Optimize the creation of a jailed config.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 406
diff changeset
952 jc.rebind(self)
3c95faa91dad Optimize the creation of a jailed config.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 406
diff changeset
953 return jc
395
0b3ffc34fa5c Begin a jailed configuration with access to a sub-tree of the original configuration
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 389
diff changeset
954
0b3ffc34fa5c Begin a jailed configuration with access to a sub-tree of the original configuration
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 389
diff changeset
955
412
816327e178b0 Provide coercing methods for the jailed configuration: getintXXX(), getboolXXX(), getfloatXXX() and friends.
Franz Glasner <fzglas.hg@dom66.de>
parents: 411
diff changeset
956 class _JailedConfiguration(CoercingMethodsMixin):
395
0b3ffc34fa5c Begin a jailed configuration with access to a sub-tree of the original configuration
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 389
diff changeset
957
397
Franz Glasner <fzglas.hg@dom66.de>
parents: 396
diff changeset
958 """A jailed and restricted variant of :class:`Configuration`.
Franz Glasner <fzglas.hg@dom66.de>
parents: 396
diff changeset
959
399
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
960 Restriction is two-fold:
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
961
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
962 - The access to configuration variables in `config` is restricted
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
963 to the configuration sub-tree that is configured in `path`.
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
964
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
965 - Not all access-methods of :class:`Configuration` are implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
966 yet.
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
967
400
Franz Glasner <fzglas.hg@dom66.de>
parents: 399
diff changeset
968 .. seealso:: :ref:`jailed-configuration`
Franz Glasner <fzglas.hg@dom66.de>
parents: 399
diff changeset
969
399
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
970 .. note:: There is no namespace support.
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
971
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
972 .. note:: Do not call the constructor directly. Instantiate a jailed
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
973 configuration from the parent configuration's
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
974 :meth:`~.Configuration.jailed` factory method.
397
Franz Glasner <fzglas.hg@dom66.de>
parents: 396
diff changeset
975
Franz Glasner <fzglas.hg@dom66.de>
parents: 396
diff changeset
976 """
395
0b3ffc34fa5c Begin a jailed configuration with access to a sub-tree of the original configuration
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 389
diff changeset
977
503
a56f1d97a3f3 Use generator comprehensions where possible instead of list comprehensions that are converted to tuples
Franz Glasner <fzglas.hg@dom66.de>
parents: 502
diff changeset
978 __slots__ = ("_base", "_path", "_path_string")
395
0b3ffc34fa5c Begin a jailed configuration with access to a sub-tree of the original configuration
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 389
diff changeset
979
404
6a5aea02f3d0 Implement a ".is_jail" flag for configuration objects: to test/assert whether we expect a jail configuration
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 400
diff changeset
980 is_jail = True
6a5aea02f3d0 Implement a ".is_jail" flag for configuration objects: to test/assert whether we expect a jail configuration
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 400
diff changeset
981 """Flag to show that this is a jail for another configuration"""
6a5aea02f3d0 Implement a ".is_jail" flag for configuration objects: to test/assert whether we expect a jail configuration
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 400
diff changeset
982
411
3c95faa91dad Optimize the creation of a jailed config.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 406
diff changeset
983 def __init__(self, *path):
395
0b3ffc34fa5c Begin a jailed configuration with access to a sub-tree of the original configuration
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 389
diff changeset
984 super(_JailedConfiguration, self).__init__()
0b3ffc34fa5c Begin a jailed configuration with access to a sub-tree of the original configuration
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 389
diff changeset
985 self._path = path
503
a56f1d97a3f3 Use generator comprehensions where possible instead of list comprehensions that are converted to tuples
Franz Glasner <fzglas.hg@dom66.de>
parents: 502
diff changeset
986 self._path_string = None
a56f1d97a3f3 Use generator comprehensions where possible instead of list comprehensions that are converted to tuples
Franz Glasner <fzglas.hg@dom66.de>
parents: 502
diff changeset
987
a56f1d97a3f3 Use generator comprehensions where possible instead of list comprehensions that are converted to tuples
Franz Glasner <fzglas.hg@dom66.de>
parents: 502
diff changeset
988 @property
a56f1d97a3f3 Use generator comprehensions where possible instead of list comprehensions that are converted to tuples
Franz Glasner <fzglas.hg@dom66.de>
parents: 502
diff changeset
989 def _pathstr(self):
a56f1d97a3f3 Use generator comprehensions where possible instead of list comprehensions that are converted to tuples
Franz Glasner <fzglas.hg@dom66.de>
parents: 502
diff changeset
990 v = self._path_string
a56f1d97a3f3 Use generator comprehensions where possible instead of list comprehensions that are converted to tuples
Franz Glasner <fzglas.hg@dom66.de>
parents: 502
diff changeset
991 if v is None:
a56f1d97a3f3 Use generator comprehensions where possible instead of list comprehensions that are converted to tuples
Franz Glasner <fzglas.hg@dom66.de>
parents: 502
diff changeset
992 if self._path:
513
599e8ade567c str.join(): use a list comprehension instead of a generator expression for performance reasons
Franz Glasner <fzglas.hg@dom66.de>
parents: 512
diff changeset
993 v = _HIER_SEPARATOR.join([quote(p) for p in self._path]) \
503
a56f1d97a3f3 Use generator comprehensions where possible instead of list comprehensions that are converted to tuples
Franz Glasner <fzglas.hg@dom66.de>
parents: 502
diff changeset
994 + _HIER_SEPARATOR
a56f1d97a3f3 Use generator comprehensions where possible instead of list comprehensions that are converted to tuples
Franz Glasner <fzglas.hg@dom66.de>
parents: 502
diff changeset
995 else:
a56f1d97a3f3 Use generator comprehensions where possible instead of list comprehensions that are converted to tuples
Franz Glasner <fzglas.hg@dom66.de>
parents: 502
diff changeset
996 v = _EMPTY_STR
a56f1d97a3f3 Use generator comprehensions where possible instead of list comprehensions that are converted to tuples
Franz Glasner <fzglas.hg@dom66.de>
parents: 502
diff changeset
997 self._path_string = v
a56f1d97a3f3 Use generator comprehensions where possible instead of list comprehensions that are converted to tuples
Franz Glasner <fzglas.hg@dom66.de>
parents: 502
diff changeset
998 return v
405
af367e1d0950 Allow to rebind a jailed configuration to another "similar" base
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 404
diff changeset
999
406
5286df5aeefe Allow a jailed configuration to return its base configuration via a property
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 405
diff changeset
1000 @property
5286df5aeefe Allow a jailed configuration to return its base configuration via a property
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 405
diff changeset
1001 def base(self):
426
84d4f82ffe59 Docs: more on jails and sub-jails
Franz Glasner <fzglas.hg@dom66.de>
parents: 419
diff changeset
1002 """Ask for the base (aka parent) configuration".
84d4f82ffe59 Docs: more on jails and sub-jails
Franz Glasner <fzglas.hg@dom66.de>
parents: 419
diff changeset
1003
84d4f82ffe59 Docs: more on jails and sub-jails
Franz Glasner <fzglas.hg@dom66.de>
parents: 419
diff changeset
1004 This configuration is always unjailed.
84d4f82ffe59 Docs: more on jails and sub-jails
Franz Glasner <fzglas.hg@dom66.de>
parents: 419
diff changeset
1005
84d4f82ffe59 Docs: more on jails and sub-jails
Franz Glasner <fzglas.hg@dom66.de>
parents: 419
diff changeset
1006 """
406
5286df5aeefe Allow a jailed configuration to return its base configuration via a property
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 405
diff changeset
1007 return self._base
5286df5aeefe Allow a jailed configuration to return its base configuration via a property
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 405
diff changeset
1008
405
af367e1d0950 Allow to rebind a jailed configuration to another "similar" base
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 404
diff changeset
1009 def rebind(self, new_base):
af367e1d0950 Allow to rebind a jailed configuration to another "similar" base
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 404
diff changeset
1010 """Bind the jail to a new unjailed configuration `new_base`.
af367e1d0950 Allow to rebind a jailed configuration to another "similar" base
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 404
diff changeset
1011
af367e1d0950 Allow to rebind a jailed configuration to another "similar" base
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 404
diff changeset
1012 The new configuration base also must have an existing path to
af367e1d0950 Allow to rebind a jailed configuration to another "similar" base
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 404
diff changeset
1013 the root.
af367e1d0950 Allow to rebind a jailed configuration to another "similar" base
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 404
diff changeset
1014
af367e1d0950 Allow to rebind a jailed configuration to another "similar" base
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 404
diff changeset
1015 :param Configuration new_base: the new base
af367e1d0950 Allow to rebind a jailed configuration to another "similar" base
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 404
diff changeset
1016
af367e1d0950 Allow to rebind a jailed configuration to another "similar" base
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 404
diff changeset
1017 """
af367e1d0950 Allow to rebind a jailed configuration to another "similar" base
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 404
diff changeset
1018 if new_base.is_jail:
af367e1d0950 Allow to rebind a jailed configuration to another "similar" base
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 404
diff changeset
1019 raise TypeError("can only bind to an unjailed configuration")
af367e1d0950 Allow to rebind a jailed configuration to another "similar" base
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 404
diff changeset
1020 self._base = new_base
395
0b3ffc34fa5c Begin a jailed configuration with access to a sub-tree of the original configuration
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 389
diff changeset
1021 #
0b3ffc34fa5c Begin a jailed configuration with access to a sub-tree of the original configuration
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 389
diff changeset
1022 # Early error out if the chroot does not exist but allow
0b3ffc34fa5c Begin a jailed configuration with access to a sub-tree of the original configuration
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 389
diff changeset
1023 # degenerated case if `self._path` is empty.
0b3ffc34fa5c Begin a jailed configuration with access to a sub-tree of the original configuration
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 389
diff changeset
1024 #
449
5864977bb44f FIX: KeyError formatting.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 448
diff changeset
1025 if self._path and self._path not in new_base:
5864977bb44f FIX: KeyError formatting.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 448
diff changeset
1026 raise KeyError(
5864977bb44f FIX: KeyError formatting.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 448
diff changeset
1027 "base key path %r not available in the new base"
5864977bb44f FIX: KeyError formatting.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 448
diff changeset
1028 % (self._path, ))
395
0b3ffc34fa5c Begin a jailed configuration with access to a sub-tree of the original configuration
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 389
diff changeset
1029
448
b95c12781497 Attribute-style access for jailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 443
diff changeset
1030 def __getattr__(self, name):
469
Franz Glasner <fzglas.hg@dom66.de>
parents: 468
diff changeset
1031 """Attribute-style access.
Franz Glasner <fzglas.hg@dom66.de>
parents: 468
diff changeset
1032
Franz Glasner <fzglas.hg@dom66.de>
parents: 468
diff changeset
1033 Result values are interpolated (i.e. forwarded to
Franz Glasner <fzglas.hg@dom66.de>
parents: 468
diff changeset
1034 :meth:`~.getvarl_s`)
Franz Glasner <fzglas.hg@dom66.de>
parents: 468
diff changeset
1035
Franz Glasner <fzglas.hg@dom66.de>
parents: 468
diff changeset
1036 """
448
b95c12781497 Attribute-style access for jailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 443
diff changeset
1037 try:
b95c12781497 Attribute-style access for jailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 443
diff changeset
1038 v = self._base.getvarl_s(*(self._path + (name, )))
b95c12781497 Attribute-style access for jailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 443
diff changeset
1039 except KeyError:
b95c12781497 Attribute-style access for jailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 443
diff changeset
1040 raise AttributeError("%s has no attribute %r" % (type(self), name))
b95c12781497 Attribute-style access for jailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 443
diff changeset
1041 else:
b95c12781497 Attribute-style access for jailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 443
diff changeset
1042 # Wrap a dict into another dict with attribute access support
b95c12781497 Attribute-style access for jailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 443
diff changeset
1043 if isinstance(v, dict):
b95c12781497 Attribute-style access for jailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 443
diff changeset
1044 return _AttributeDict(v)
b95c12781497 Attribute-style access for jailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 443
diff changeset
1045 else:
b95c12781497 Attribute-style access for jailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 443
diff changeset
1046 return v
b95c12781497 Attribute-style access for jailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 443
diff changeset
1047
437
bbc5b64e137a - Dict-level access to a configuration key now does variable interpolation.
Franz Glasner <fzglas.hg@dom66.de>
parents: 432
diff changeset
1048 def __getitem__(self, key):
469
Franz Glasner <fzglas.hg@dom66.de>
parents: 468
diff changeset
1049 """Mapping and list interface that forwards to :meth:`~.getvarl_s`
437
bbc5b64e137a - Dict-level access to a configuration key now does variable interpolation.
Franz Glasner <fzglas.hg@dom66.de>
parents: 432
diff changeset
1050
bbc5b64e137a - Dict-level access to a configuration key now does variable interpolation.
Franz Glasner <fzglas.hg@dom66.de>
parents: 432
diff changeset
1051 """
441
9d20fab53a19 FIX: Handle "list"-type keys in __contains__ and __getitem__ properly: convert to tuples for contatenation with tuple
Franz Glasner <fzglas.hg@dom66.de>
parents: 440
diff changeset
1052 if isinstance(key, tuple):
440
f297c23f78f0 Optimize __getitem__() in jailed configurations: call base directly
Franz Glasner <fzglas.hg@dom66.de>
parents: 439
diff changeset
1053 return self._base.getvarl_s(*(self._path + key))
441
9d20fab53a19 FIX: Handle "list"-type keys in __contains__ and __getitem__ properly: convert to tuples for contatenation with tuple
Franz Glasner <fzglas.hg@dom66.de>
parents: 440
diff changeset
1054 elif isinstance(key, list):
9d20fab53a19 FIX: Handle "list"-type keys in __contains__ and __getitem__ properly: convert to tuples for contatenation with tuple
Franz Glasner <fzglas.hg@dom66.de>
parents: 440
diff changeset
1055 return self._base.getvarl_s(*(self._path + tuple(key)))
437
bbc5b64e137a - Dict-level access to a configuration key now does variable interpolation.
Franz Glasner <fzglas.hg@dom66.de>
parents: 432
diff changeset
1056 else:
468
95df1a10259a Index list-access for jailed configurations: be more generic by calling also __getitem__ in the base
Franz Glasner <fzglas.hg@dom66.de>
parents: 467
diff changeset
1057 return self._base.getvarl_s(*self._path)[key]
437
bbc5b64e137a - Dict-level access to a configuration key now does variable interpolation.
Franz Glasner <fzglas.hg@dom66.de>
parents: 432
diff changeset
1058
442
94cf5a8722d6 Add proper .get() support for jailed and unjailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 441
diff changeset
1059 def get(self, key, default=None):
94cf5a8722d6 Add proper .get() support for jailed and unjailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 441
diff changeset
1060 if isinstance(key, tuple):
94cf5a8722d6 Add proper .get() support for jailed and unjailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 441
diff changeset
1061 return self._base.get(self._path + key, default=default)
94cf5a8722d6 Add proper .get() support for jailed and unjailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 441
diff changeset
1062 elif isinstance(key, list):
94cf5a8722d6 Add proper .get() support for jailed and unjailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 441
diff changeset
1063 return self._base.get(self._path + tuple(key), default=default)
94cf5a8722d6 Add proper .get() support for jailed and unjailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 441
diff changeset
1064 else:
94cf5a8722d6 Add proper .get() support for jailed and unjailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 441
diff changeset
1065 return self._base.get(self._path + (key, ), default=default)
94cf5a8722d6 Add proper .get() support for jailed and unjailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 441
diff changeset
1066
439
bd27da55483a Optimized __contains__() implementation for jailed and unjailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 438
diff changeset
1067 def __contains__(self, key):
469
Franz Glasner <fzglas.hg@dom66.de>
parents: 468
diff changeset
1068 """Containment support for containers"""
441
9d20fab53a19 FIX: Handle "list"-type keys in __contains__ and __getitem__ properly: convert to tuples for contatenation with tuple
Franz Glasner <fzglas.hg@dom66.de>
parents: 440
diff changeset
1069 if isinstance(key, tuple):
439
bd27da55483a Optimized __contains__() implementation for jailed and unjailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 438
diff changeset
1070 return (self._path + key) in self._base
441
9d20fab53a19 FIX: Handle "list"-type keys in __contains__ and __getitem__ properly: convert to tuples for contatenation with tuple
Franz Glasner <fzglas.hg@dom66.de>
parents: 440
diff changeset
1071 elif isinstance(key, list):
9d20fab53a19 FIX: Handle "list"-type keys in __contains__ and __getitem__ properly: convert to tuples for contatenation with tuple
Franz Glasner <fzglas.hg@dom66.de>
parents: 440
diff changeset
1072 return (self._path + tuple(key)) in self._base
439
bd27da55483a Optimized __contains__() implementation for jailed and unjailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 438
diff changeset
1073 else:
bd27da55483a Optimized __contains__() implementation for jailed and unjailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 438
diff changeset
1074 return (self._path + (key, )) in self._base
bd27da55483a Optimized __contains__() implementation for jailed and unjailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 438
diff changeset
1075
395
0b3ffc34fa5c Begin a jailed configuration with access to a sub-tree of the original configuration
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 389
diff changeset
1076 def getvarl(self, *path, **kwds):
0b3ffc34fa5c Begin a jailed configuration with access to a sub-tree of the original configuration
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 389
diff changeset
1077 return self._base.getvarl(*(self._path + path), **kwds)
0b3ffc34fa5c Begin a jailed configuration with access to a sub-tree of the original configuration
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 389
diff changeset
1078
418
bb5f11abd12a Implement .getkeysl() and .getkeys() for configuration objects that iterate over all the keys of a configuration value
Franz Glasner <fzglas.hg@dom66.de>
parents: 417
diff changeset
1079 def getkeysl(self, *path, **kwds):
bb5f11abd12a Implement .getkeysl() and .getkeys() for configuration objects that iterate over all the keys of a configuration value
Franz Glasner <fzglas.hg@dom66.de>
parents: 417
diff changeset
1080 for k in self._base.getkeysl(*(self._path + path), **kwds):
bb5f11abd12a Implement .getkeysl() and .getkeys() for configuration objects that iterate over all the keys of a configuration value
Franz Glasner <fzglas.hg@dom66.de>
parents: 417
diff changeset
1081 yield k
bb5f11abd12a Implement .getkeysl() and .getkeys() for configuration objects that iterate over all the keys of a configuration value
Franz Glasner <fzglas.hg@dom66.de>
parents: 417
diff changeset
1082
398
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
1083 def getfirstvarl(self, *paths, **kwds):
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
1084 real_paths = []
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
1085 for path in paths:
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
1086 if isinstance(path, (list, tuple)):
509
4c2517e18af0 FIX: Convert a list ito a tuple before appending it to another tuple
Franz Glasner <fzglas.hg@dom66.de>
parents: 507
diff changeset
1087 real_paths.append(self._path + tuple(path))
398
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
1088 elif isinstance(path, dict):
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
1089 raise TypeError(
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
1090 "a `dict' is not supported in a jailed configuration")
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
1091 else:
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
1092 raise TypeError("a paths item must be a list or tuple")
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
1093 return self._base.getfirstvarl(*real_paths, **kwds)
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
1094
395
0b3ffc34fa5c Begin a jailed configuration with access to a sub-tree of the original configuration
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 389
diff changeset
1095 def getvarl_s(self, *path, **kwds):
0b3ffc34fa5c Begin a jailed configuration with access to a sub-tree of the original configuration
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 389
diff changeset
1096 return self._base.getvarl_s(*(self._path + path), **kwds)
0b3ffc34fa5c Begin a jailed configuration with access to a sub-tree of the original configuration
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 389
diff changeset
1097
398
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
1098 def getfirstvarl_s(self, *paths, **kwds):
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
1099 real_paths = []
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
1100 for path in paths:
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
1101 if isinstance(path, (list, tuple)):
510
acf1e8696d68 FIX: Some other lists that need to converted to tuples
Franz Glasner <fzglas.hg@dom66.de>
parents: 509
diff changeset
1102 real_paths.append(self._path + tuple(path))
398
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
1103 elif isinstance(path, dict):
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
1104 raise TypeError(
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
1105 "a `dict' is not supported in a jailed configuration")
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
1106 else:
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
1107 raise TypeError("a paths item must be a list or tuple")
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
1108 return self._base.getfirstvarl_s(*real_paths, **kwds)
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
1109
428
090a25f36a3d FIX: Allow jailed configurations to use correctly use base configurations that use a different "default" marker object.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 426
diff changeset
1110 def getvar(self, varname, **kwds):
539
9546d38cd3f8 Refactor: the parsing of the quoted and dot-separated path string is put into a function that handles also empty inputs properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 531
diff changeset
1111 return self._base.getvarl(*(self._path + pathstr2path(varname)),
9546d38cd3f8 Refactor: the parsing of the quoted and dot-separated path string is put into a function that handles also empty inputs properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 531
diff changeset
1112 **kwds)
395
0b3ffc34fa5c Begin a jailed configuration with access to a sub-tree of the original configuration
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 389
diff changeset
1113
418
bb5f11abd12a Implement .getkeysl() and .getkeys() for configuration objects that iterate over all the keys of a configuration value
Franz Glasner <fzglas.hg@dom66.de>
parents: 417
diff changeset
1114 def getkeys(self, varname):
539
9546d38cd3f8 Refactor: the parsing of the quoted and dot-separated path string is put into a function that handles also empty inputs properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 531
diff changeset
1115 for k in self._base.getkeysl(*(self._path + pathstr2path(varname))):
418
bb5f11abd12a Implement .getkeysl() and .getkeys() for configuration objects that iterate over all the keys of a configuration value
Franz Glasner <fzglas.hg@dom66.de>
parents: 417
diff changeset
1116 yield k
bb5f11abd12a Implement .getkeysl() and .getkeys() for configuration objects that iterate over all the keys of a configuration value
Franz Glasner <fzglas.hg@dom66.de>
parents: 417
diff changeset
1117
398
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
1118 def getfirstvar(self, *varnames, **kwds):
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
1119 real_varnames = [self._pathstr + vn for vn in varnames]
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
1120 return self._base.getfirstvar(*real_varnames, **kwds)
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
1121
428
090a25f36a3d FIX: Allow jailed configurations to use correctly use base configurations that use a different "default" marker object.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 426
diff changeset
1122 def getvar_s(self, varname, **kwds):
539
9546d38cd3f8 Refactor: the parsing of the quoted and dot-separated path string is put into a function that handles also empty inputs properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 531
diff changeset
1123 return self._base.getvarl_s(*(self._path + pathstr2path(varname)),
9546d38cd3f8 Refactor: the parsing of the quoted and dot-separated path string is put into a function that handles also empty inputs properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 531
diff changeset
1124 **kwds)
398
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
1125
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
1126 def getfirstvar_s(self, *varnames, **kwds):
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
1127 real_varnames = [self._pathstr + vn for vn in varnames]
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
1128 return self._base.getfirstvar_s(*real_varnames, **kwds)
417
83d537f1dfbb Implement sub-jails: allow to get a jailed configuration from a jail
Franz Glasner <fzglas.hg@dom66.de>
parents: 416
diff changeset
1129
459
9dc9cef1b9cd Implement proper iteration support for jailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 455
diff changeset
1130 def __iter__(self):
469
Franz Glasner <fzglas.hg@dom66.de>
parents: 468
diff changeset
1131 """Iteration support for containers"""
459
9dc9cef1b9cd Implement proper iteration support for jailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 455
diff changeset
1132 return iter(self._base.getvarl_s(*self._path))
9dc9cef1b9cd Implement proper iteration support for jailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 455
diff changeset
1133
467
9fcdc42a0457 len-support for jailed configurations: implement a proper __len__() method
Franz Glasner <fzglas.hg@dom66.de>
parents: 460
diff changeset
1134 def __len__(self):
469
Franz Glasner <fzglas.hg@dom66.de>
parents: 468
diff changeset
1135 """Length support for containers"""
467
9fcdc42a0457 len-support for jailed configurations: implement a proper __len__() method
Franz Glasner <fzglas.hg@dom66.de>
parents: 460
diff changeset
1136 return len(self._base.getvarl(*self._path))
9fcdc42a0457 len-support for jailed configurations: implement a proper __len__() method
Franz Glasner <fzglas.hg@dom66.de>
parents: 460
diff changeset
1137
460
d22985d6806e Proper boolean context for jailed configurations: __bool__()/__nonzero__()
Franz Glasner <fzglas.hg@dom66.de>
parents: 459
diff changeset
1138 if PY2:
d22985d6806e Proper boolean context for jailed configurations: __bool__()/__nonzero__()
Franz Glasner <fzglas.hg@dom66.de>
parents: 459
diff changeset
1139
d22985d6806e Proper boolean context for jailed configurations: __bool__()/__nonzero__()
Franz Glasner <fzglas.hg@dom66.de>
parents: 459
diff changeset
1140 def __nonzero__(self):
469
Franz Glasner <fzglas.hg@dom66.de>
parents: 468
diff changeset
1141 """Map- and list-style evaluation in boolean context"""
460
d22985d6806e Proper boolean context for jailed configurations: __bool__()/__nonzero__()
Franz Glasner <fzglas.hg@dom66.de>
parents: 459
diff changeset
1142 return bool(self._base.getvarl_s(*self._path))
d22985d6806e Proper boolean context for jailed configurations: __bool__()/__nonzero__()
Franz Glasner <fzglas.hg@dom66.de>
parents: 459
diff changeset
1143
d22985d6806e Proper boolean context for jailed configurations: __bool__()/__nonzero__()
Franz Glasner <fzglas.hg@dom66.de>
parents: 459
diff changeset
1144 else:
d22985d6806e Proper boolean context for jailed configurations: __bool__()/__nonzero__()
Franz Glasner <fzglas.hg@dom66.de>
parents: 459
diff changeset
1145
d22985d6806e Proper boolean context for jailed configurations: __bool__()/__nonzero__()
Franz Glasner <fzglas.hg@dom66.de>
parents: 459
diff changeset
1146 def __bool__(self):
469
Franz Glasner <fzglas.hg@dom66.de>
parents: 468
diff changeset
1147 """Map- and list-style evaluation in boolean context"""
460
d22985d6806e Proper boolean context for jailed configurations: __bool__()/__nonzero__()
Franz Glasner <fzglas.hg@dom66.de>
parents: 459
diff changeset
1148 return bool(self._base.getvarl_s(*self._path))
d22985d6806e Proper boolean context for jailed configurations: __bool__()/__nonzero__()
Franz Glasner <fzglas.hg@dom66.de>
parents: 459
diff changeset
1149
417
83d537f1dfbb Implement sub-jails: allow to get a jailed configuration from a jail
Franz Glasner <fzglas.hg@dom66.de>
parents: 416
diff changeset
1150 def jailed(self, rootpath=None, root=None, bind_root=True):
83d537f1dfbb Implement sub-jails: allow to get a jailed configuration from a jail
Franz Glasner <fzglas.hg@dom66.de>
parents: 416
diff changeset
1151 """Return a "jailed" configuration that effectively is a
83d537f1dfbb Implement sub-jails: allow to get a jailed configuration from a jail
Franz Glasner <fzglas.hg@dom66.de>
parents: 416
diff changeset
1152 subjail of the current jail
83d537f1dfbb Implement sub-jails: allow to get a jailed configuration from a jail
Franz Glasner <fzglas.hg@dom66.de>
parents: 416
diff changeset
1153
83d537f1dfbb Implement sub-jails: allow to get a jailed configuration from a jail
Franz Glasner <fzglas.hg@dom66.de>
parents: 416
diff changeset
1154 For a more complete description see :meth:`.Configuration.jailed`.
83d537f1dfbb Implement sub-jails: allow to get a jailed configuration from a jail
Franz Glasner <fzglas.hg@dom66.de>
parents: 416
diff changeset
1155
83d537f1dfbb Implement sub-jails: allow to get a jailed configuration from a jail
Franz Glasner <fzglas.hg@dom66.de>
parents: 416
diff changeset
1156 """
83d537f1dfbb Implement sub-jails: allow to get a jailed configuration from a jail
Franz Glasner <fzglas.hg@dom66.de>
parents: 416
diff changeset
1157 if rootpath is not None and root is not None:
83d537f1dfbb Implement sub-jails: allow to get a jailed configuration from a jail
Franz Glasner <fzglas.hg@dom66.de>
parents: 416
diff changeset
1158 raise ValueError("only one of `rootpath' or `root' can be given")
83d537f1dfbb Implement sub-jails: allow to get a jailed configuration from a jail
Franz Glasner <fzglas.hg@dom66.de>
parents: 416
diff changeset
1159 if rootpath is None and root is None:
83d537f1dfbb Implement sub-jails: allow to get a jailed configuration from a jail
Franz Glasner <fzglas.hg@dom66.de>
parents: 416
diff changeset
1160 raise ValueError("one of `rootpath' or `root' must be given")
83d537f1dfbb Implement sub-jails: allow to get a jailed configuration from a jail
Franz Glasner <fzglas.hg@dom66.de>
parents: 416
diff changeset
1161 if rootpath is not None and not isinstance(rootpath, (list, tuple)):
83d537f1dfbb Implement sub-jails: allow to get a jailed configuration from a jail
Franz Glasner <fzglas.hg@dom66.de>
parents: 416
diff changeset
1162 raise TypeError("`rootpath' must be a list or a tuple")
83d537f1dfbb Implement sub-jails: allow to get a jailed configuration from a jail
Franz Glasner <fzglas.hg@dom66.de>
parents: 416
diff changeset
1163 if root is not None:
83d537f1dfbb Implement sub-jails: allow to get a jailed configuration from a jail
Franz Glasner <fzglas.hg@dom66.de>
parents: 416
diff changeset
1164 # convert to path
540
33856ae1cc0b _split_ns() and _split_filters() are now module-globals
Franz Glasner <fzglas.hg@dom66.de>
parents: 539
diff changeset
1165 varns, varname = _split_ns(root)
417
83d537f1dfbb Implement sub-jails: allow to get a jailed configuration from a jail
Franz Glasner <fzglas.hg@dom66.de>
parents: 416
diff changeset
1166 if varns:
83d537f1dfbb Implement sub-jails: allow to get a jailed configuration from a jail
Franz Glasner <fzglas.hg@dom66.de>
parents: 416
diff changeset
1167 raise ValueError(
83d537f1dfbb Implement sub-jails: allow to get a jailed configuration from a jail
Franz Glasner <fzglas.hg@dom66.de>
parents: 416
diff changeset
1168 "sub-jails do not support namespaces")
539
9546d38cd3f8 Refactor: the parsing of the quoted and dot-separated path string is put into a function that handles also empty inputs properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 531
diff changeset
1169 rootpath = pathstr2path(varname)
417
83d537f1dfbb Implement sub-jails: allow to get a jailed configuration from a jail
Franz Glasner <fzglas.hg@dom66.de>
parents: 416
diff changeset
1170 if self._path:
83d537f1dfbb Implement sub-jails: allow to get a jailed configuration from a jail
Franz Glasner <fzglas.hg@dom66.de>
parents: 416
diff changeset
1171 new_rootpath = self._path + tuple(rootpath)
83d537f1dfbb Implement sub-jails: allow to get a jailed configuration from a jail
Franz Glasner <fzglas.hg@dom66.de>
parents: 416
diff changeset
1172 else:
510
acf1e8696d68 FIX: Some other lists that need to converted to tuples
Franz Glasner <fzglas.hg@dom66.de>
parents: 509
diff changeset
1173 new_rootpath = tuple(rootpath)
417
83d537f1dfbb Implement sub-jails: allow to get a jailed configuration from a jail
Franz Glasner <fzglas.hg@dom66.de>
parents: 416
diff changeset
1174 sjc = _JailedConfiguration(*new_rootpath)
83d537f1dfbb Implement sub-jails: allow to get a jailed configuration from a jail
Franz Glasner <fzglas.hg@dom66.de>
parents: 416
diff changeset
1175 if bind_root:
83d537f1dfbb Implement sub-jails: allow to get a jailed configuration from a jail
Franz Glasner <fzglas.hg@dom66.de>
parents: 416
diff changeset
1176 sjc.rebind(self._base)
83d537f1dfbb Implement sub-jails: allow to get a jailed configuration from a jail
Franz Glasner <fzglas.hg@dom66.de>
parents: 416
diff changeset
1177 return sjc
432
b96f49c9c76b Proper "repr()" for a jailed configuration: put the root path into the output
Franz Glasner <fzglas.hg@dom66.de>
parents: 428
diff changeset
1178
b96f49c9c76b Proper "repr()" for a jailed configuration: put the root path into the output
Franz Glasner <fzglas.hg@dom66.de>
parents: 428
diff changeset
1179 def __repr__(self):
b96f49c9c76b Proper "repr()" for a jailed configuration: put the root path into the output
Franz Glasner <fzglas.hg@dom66.de>
parents: 428
diff changeset
1180 r = "_JailedConfiguration(rootpath=%s)" % n(repr(self._path))
b96f49c9c76b Proper "repr()" for a jailed configuration: put the root path into the output
Franz Glasner <fzglas.hg@dom66.de>
parents: 428
diff changeset
1181 return r