annotate configmix/config.py @ 483:38e4be1882e3

Optimize .quote() by using str.translate() instead of repeatedly calling str.replace()
author Franz Glasner <f.glasner@feldmann-mg.com>
date Fri, 17 Dec 2021 14:14:36 +0100
parents 8b8ffb74d452
children 0259bd521729
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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, 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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37
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38 class _AttributeDict(ConfigurationBase):
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40 def __getattr__(self, name):
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41 try:
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42 v = self[name]
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43 except KeyError:
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44 raise AttributeError("%s has no attribute %r" % (type(self), name))
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45 else:
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46 # Wrap a dict into another dict with attribute access support
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47 if isinstance(v, dict):
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48 return _AttributeDict(v)
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49 else:
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50 return v
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53 class CoercingMethodsMixin(object):
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55 """Mixin to provide some common implementations for retrieval
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56 methods that convert return values to a fixed type (int, bool,
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57 float).
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59 Both :class:`~.Configuration` and :class:`~._JailedConfiguration` use
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60 this mixin.
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62 """
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64 def getintvarl_s(self, *path, **kwds):
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65 """Get a (possibly substituted) variable and coerce text to a
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66 number.
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68 """
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69 s = self.getvarl_s(*path, **kwds)
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70 if isinstance(s, Configuration._TEXTTYPE):
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71 return int(s, 0)
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72 else:
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73 return s
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75 def getfirstintvarl_s(self, *paths, **kwds):
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76 """Get a (possibly substituted) variable and coerce text to a
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77 number.
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79 """
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80 s = self.getfirstvarl_s(*paths, **kwds)
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81 if isinstance(s, Configuration._TEXTTYPE):
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82 return int(s, 0)
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83 else:
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84 return s
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86 def getintvar_s(self, varname, default=_MARKER):
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87 """Get a (possibly substituted) variable and coerce text to a
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88 number.
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90 """
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91 s = self.getvar_s(varname, default=default)
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92 if isinstance(s, Configuration._TEXTTYPE):
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93 return int(s, 0)
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94 else:
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95 return s
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97 def getfirstintvar_s(self, *varnames, **kwds):
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98 """A variant of :meth:`~.getintvar_s` that returns the first found
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99 variable in the list of given variables in `varnames`.
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101 """
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102 s = self.getfirstvar_s(*varnames, **kwds)
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103 if isinstance(s, Configuration._TEXTTYPE):
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104 return int(s, 0)
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105 else:
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106 return s
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108 def getboolvarl_s(self, *path, **kwds):
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109 """Get a (possibly substituted) variable and convert text to a
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110 boolean
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111
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112 """
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113 s = self.getvarl_s(*path, **kwds)
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114 if isinstance(s, Configuration._TEXTTYPE):
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115 sl = s.strip().lower()
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116 if sl not in self._BOOL_CVT:
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117 raise ValueError("Not a boolean: %r" % (s, ))
412
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118 return self._BOOL_CVT[sl]
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119 else:
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120 return s
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121
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122 def getfirstboolvarl_s(self, *paths, **kwds):
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123 """Get a (possibly substituted) variable and convert text to a
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124 boolean
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125
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126 """
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127 s = self.getfirstvarl_s(*paths, **kwds)
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128 if isinstance(s, Configuration._TEXTTYPE):
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129 sl = s.strip().lower()
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130 if sl not in self._BOOL_CVT:
450
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131 raise ValueError("Not a boolean: %r" % (s, ))
412
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132 return self._BOOL_CVT[sl]
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133 else:
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134 return s
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135
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136 def getboolvar_s(self, varname, default=_MARKER):
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137 """Get a (possibly substituted) variable and convert text to a
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138 boolean
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139
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140 """
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141 s = self.getvar_s(varname, default=default)
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142 if isinstance(s, Configuration._TEXTTYPE):
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143 sl = s.strip().lower()
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144 if sl not in self._BOOL_CVT:
450
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145 raise ValueError("Not a boolean: %r" % (s, ))
412
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146 return self._BOOL_CVT[sl]
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147 else:
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148 return s
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149
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150 def getfirstboolvar_s(self, *varnames, **kwds):
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151 """A variant of :meth:`~.getboolvar_s` that returns the first found
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152 variable in the list of given variables in `varnames`.
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153
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154 """
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155 s = self.getfirstvar_s(*varnames, **kwds)
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156 if isinstance(s, Configuration._TEXTTYPE):
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157 sl = s.strip().lower()
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158 if sl not in self._BOOL_CVT:
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159 raise ValueError("Not a boolean: %r" % (s, ))
412
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160 return self._BOOL_CVT[sl]
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161 else:
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162 return s
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163
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164 # Conversion of booleans
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165 _BOOL_CVT = {
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166 u('1'): True, u('yes'): True, u('true'): True, u('on'): True,
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167 u('0'): False, u('no'): False, u('false'): False, u('off'): False
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168 }
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169
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170 def getfloatvarl_s(self, *path, **kwds):
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171 """Get a (possibly substituted) variable and convert text to a
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172 float
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173
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174 """
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175 s = self.getvarl_s(*path, **kwds)
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176 if isinstance(s, Configuration._TEXTTYPE):
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177 return float(s)
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178 else:
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179 return s
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180
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181 def getfirstfloatvarl_s(self, *path, **kwds):
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182 """Get a (possibly substituted) variable and convert text to a
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183 float
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184
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185 """
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186 s = self.getfirstvarl_s(*path, **kwds)
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187 if isinstance(s, Configuration._TEXTTYPE):
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188 return float(s)
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189 else:
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190 return s
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191
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192 def getfloatvar_s(self, varname, default=_MARKER):
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193 """Get a (possibly substituted) variable and convert text to a
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194 float
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195
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196 """
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197 s = self.getvar_s(varname, default)
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198 if isinstance(s, Configuration._TEXTTYPE):
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199 return float(s)
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200 else:
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201 return s
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202
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203 def getfirstfloatvar_s(self, varname, default=_MARKER):
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204 """Get a (possibly substituted) variable and convert text to a
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205 float
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206
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207 """
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208 s = self.getfirstvar_s(varname, default)
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209 if isinstance(s, Configuration._TEXTTYPE):
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210 return float(s)
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211 else:
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212 return s
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213
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214
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215 class Configuration(CoercingMethodsMixin, _AttributeDict):
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216
18
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217 """The configuration dictionary with attribute support or
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218 variable substitution.
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219
322
4aa19e04ff65 Comment: typo
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220 .. note:: When retrieving by attribute names variables will *not*
18
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221 substituted.
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222
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223 """
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224
305
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225 # Speed
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226 _TEXTTYPE = type(u(""))
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227 _STARTTOK = u(b"{{")
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228 _ENDTOK = u(b"}}")
314
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229 _HIER_SEPARATOR = u(b'.')
305
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230 _NS_SEPARATOR = u(b':')
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231 _FILTER_SEPARATOR = u(b'|')
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232 _STARTTOK_REF = _STARTTOK + REF_NAMESPACE + _NS_SEPARATOR
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233 _ENDTOK_REF = _ENDTOK
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234 _DOT = u(b'.')
320
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235 _QUOTE = u(b'%')
478
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236 _QUOTE_x = u(b'x')
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parents: 477
diff changeset
237 _QUOTE_u = u(b'u')
ff8a9a7c6a93 Avoid some repeated string/unicode conversions for constants used by quoting
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 477
diff changeset
238 _QUOTE_U = u(b'U')
325
ab33d51f3412 By default quote the "#" character also because it is typically a comment in all the configuration file formats.
Franz Glasner <fzglas.hg@dom66.de>
parents: 322
diff changeset
239 _COMMENT = u(b'#')
483
38e4be1882e3 Optimize .quote() by using str.translate() instead of repeatedly calling str.replace()
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 482
diff changeset
240 _QUOTE_MAP = {
38e4be1882e3 Optimize .quote() by using str.translate() instead of repeatedly calling str.replace()
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 482
diff changeset
241 0x25: u(b'%x25'), # _QUOTE
38e4be1882e3 Optimize .quote() by using str.translate() instead of repeatedly calling str.replace()
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 482
diff changeset
242 0x2e: u(b'%x2e'), # _DOT
38e4be1882e3 Optimize .quote() by using str.translate() instead of repeatedly calling str.replace()
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 482
diff changeset
243 0x3a: u(b'%x3a'), # _NS_SEPARATOR
38e4be1882e3 Optimize .quote() by using str.translate() instead of repeatedly calling str.replace()
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 482
diff changeset
244 0x23: u(b'%x23'), # _COMMENT / anchor
38e4be1882e3 Optimize .quote() by using str.translate() instead of repeatedly calling str.replace()
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parents: 482
diff changeset
245 0x7c: u(b'%x7c'), # _FILTER_SEPARATOR
38e4be1882e3 Optimize .quote() by using str.translate() instead of repeatedly calling str.replace()
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 482
diff changeset
246 0x22: u(b'%x22'),
38e4be1882e3 Optimize .quote() by using str.translate() instead of repeatedly calling str.replace()
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parents: 482
diff changeset
247 0x27: u(b'%x27'),
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parents: 482
diff changeset
248 0x7b: u(b'%x7b'),
38e4be1882e3 Optimize .quote() by using str.translate() instead of repeatedly calling str.replace()
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parents: 482
diff changeset
249 0x7d: u(b'%x7d'),
38e4be1882e3 Optimize .quote() by using str.translate() instead of repeatedly calling str.replace()
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parents: 482
diff changeset
250 0x5b: u(b'%x5b'),
38e4be1882e3 Optimize .quote() by using str.translate() instead of repeatedly calling str.replace()
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parents: 482
diff changeset
251 0x5d: u(b'%x5d'),
38e4be1882e3 Optimize .quote() by using str.translate() instead of repeatedly calling str.replace()
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parents: 482
diff changeset
252 }
481
e3990ec55f2a Use a quick-check for .quote() if no quoting is needed
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parents: 480
diff changeset
253 _QUOTE_SAFE = u(b'abcdefghijklmnopqrstuvwxyz'
e3990ec55f2a Use a quick-check for .quote() if no quoting is needed
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 480
diff changeset
254 b'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
e3990ec55f2a Use a quick-check for .quote() if no quoting is needed
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parents: 480
diff changeset
255 b'0123456789'
483
38e4be1882e3 Optimize .quote() by using str.translate() instead of repeatedly calling str.replace()
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parents: 482
diff changeset
256 b'-_@!$&/\\()=?*+~;,<>^')
481
e3990ec55f2a Use a quick-check for .quote() if no quoting is needed
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parents: 480
diff changeset
257 """Mostly used configuration key characters that do not need any quoting
e3990ec55f2a Use a quick-check for .quote() if no quoting is needed
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parents: 480
diff changeset
258
e3990ec55f2a Use a quick-check for .quote() if no quoting is needed
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parents: 480
diff changeset
259 """
305
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
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parents: 304
diff changeset
260
404
6a5aea02f3d0 Implement a ".is_jail" flag for configuration objects: to test/assert whether we expect a jail configuration
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parents: 400
diff changeset
261 is_jail = False
6a5aea02f3d0 Implement a ".is_jail" flag for configuration objects: to test/assert whether we expect a jail configuration
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parents: 400
diff changeset
262 """Flag to show that this is not a jail for another configuration"""
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parents: 400
diff changeset
263
437
bbc5b64e137a - Dict-level access to a configuration key now does variable interpolation.
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parents: 432
diff changeset
264 def __getitem__(self, key):
469
Franz Glasner <fzglas.hg@dom66.de>
parents: 468
diff changeset
265 """Mapping and list interface that forwards to :meth:`~.getvarl_s`
437
bbc5b64e137a - Dict-level access to a configuration key now does variable interpolation.
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parents: 432
diff changeset
266
bbc5b64e137a - Dict-level access to a configuration key now does variable interpolation.
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parents: 432
diff changeset
267 """
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diff changeset
268 if isinstance(key, (tuple, list)):
bbc5b64e137a - Dict-level access to a configuration key now does variable interpolation.
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parents: 432
diff changeset
269 return self.getvarl_s(*key)
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parents: 432
diff changeset
270 else:
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diff changeset
271 return self.getvarl_s(key)
bbc5b64e137a - Dict-level access to a configuration key now does variable interpolation.
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parents: 432
diff changeset
272
442
94cf5a8722d6 Add proper .get() support for jailed and unjailed configurations
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diff changeset
273 def get(self, key, default=None):
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parents: 441
diff changeset
274 """Mapping interface that forwards to :meth:`~.getvarl_s`
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parents: 441
diff changeset
275
94cf5a8722d6 Add proper .get() support for jailed and unjailed configurations
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diff changeset
276 """
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diff changeset
277 if isinstance(key, (tuple, list)):
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diff changeset
278 return self.getvarl_s(*key, default=default)
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diff changeset
279 else:
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diff changeset
280 return self.getvarl_s(key, default=default)
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parents: 441
diff changeset
281
439
bd27da55483a Optimized __contains__() implementation for jailed and unjailed configurations
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diff changeset
282 def __contains__(self, key):
469
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diff changeset
283 """Containment test"""
439
bd27da55483a Optimized __contains__() implementation for jailed and unjailed configurations
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parents: 438
diff changeset
284 if isinstance(key, (tuple, list)):
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diff changeset
285 # No namespace and quoting support here
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parents: 438
diff changeset
286 try:
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diff changeset
287 self._lookupvar(*key)
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diff changeset
288 except KeyError:
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diff changeset
289 return False
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diff changeset
290 else:
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diff changeset
291 return True
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diff changeset
292 else:
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diff changeset
293 return super(Configuration, self).__contains__(key)
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diff changeset
294
443
23941c014130 FIX: Merge properly when the configuration's __getitem__ do now interpolate: prohibit duplicate interpolation and interpolation while merging
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diff changeset
295 def getitem_ns(self, key):
23941c014130 FIX: Merge properly when the configuration's __getitem__ do now interpolate: prohibit duplicate interpolation and interpolation while merging
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diff changeset
296 """Just forward to the *original* :meth:`dict.__getitem__`.
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parents: 442
diff changeset
297
23941c014130 FIX: Merge properly when the configuration's __getitem__ do now interpolate: prohibit duplicate interpolation and interpolation while merging
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parents: 442
diff changeset
298 No variable interpolation and key path access.
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parents: 442
diff changeset
299
23941c014130 FIX: Merge properly when the configuration's __getitem__ do now interpolate: prohibit duplicate interpolation and interpolation while merging
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diff changeset
300 """
23941c014130 FIX: Merge properly when the configuration's __getitem__ do now interpolate: prohibit duplicate interpolation and interpolation while merging
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diff changeset
301 return super(Configuration, self).__getitem__(key)
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parents: 442
diff changeset
302
382
24db29162d09 Renamed "names" arguments into the more proper "path"
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parents: 381
diff changeset
303 def getvarl(self, *path, **kwds):
24db29162d09 Renamed "names" arguments into the more proper "path"
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parents: 381
diff changeset
304 """Get a variable where the hierarchy is given in `path` as sequence
380
bb4a90fb58e0 Docu: "namespace" in getvarl() is a keyword argument
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parents: 374
diff changeset
305 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
306
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
307 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
308
382
24db29162d09 Renamed "names" arguments into the more proper "path"
Franz Glasner <fzglas.hg@dom66.de>
parents: 381
diff changeset
309 Quoting of `path` and `namespace` is *not* needed and wrong.
333
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
310
314
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
311 """
321
7a0f3c256cf4 FIX: Python2 compatibility: keyword arguments after *args not allowed: use **kwds and manual retrieval with .pop() instead
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parents: 320
diff changeset
312 default = kwds.pop("default", _MARKER)
7a0f3c256cf4 FIX: Python2 compatibility: keyword arguments after *args not allowed: use **kwds and manual retrieval with .pop() instead
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parents: 320
diff changeset
313 namespace = kwds.pop("namespace", None)
314
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
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parents: 311
diff changeset
314 try:
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
315 if not namespace:
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
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parents: 311
diff changeset
316 lookupfn = self._lookupvar
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
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parents: 311
diff changeset
317 else:
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
318 if namespace == REF_NAMESPACE:
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
319 lookupfn = self._lookupref
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
320 else:
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
321 lookupfn = lookup_varns(namespace)
382
24db29162d09 Renamed "names" arguments into the more proper "path"
Franz Glasner <fzglas.hg@dom66.de>
parents: 381
diff changeset
322 varvalue = lookupfn(*path)
314
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
323 except KeyError:
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
324 if default is _MARKER:
382
24db29162d09 Renamed "names" arguments into the more proper "path"
Franz Glasner <fzglas.hg@dom66.de>
parents: 381
diff changeset
325 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
326 else:
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
327 return default
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
328 else:
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
329 return varvalue
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
330
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
331 def getkeysl(self, *path, **kwds):
bb5f11abd12a Implement .getkeysl() and .getkeys() for configuration objects that iterate over all the keys of a configuration value
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parents: 417
diff changeset
332 """Yield the keys of a variable value.
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parents: 417
diff changeset
333
bb5f11abd12a Implement .getkeysl() and .getkeys() for configuration objects that iterate over all the keys of a configuration value
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parents: 417
diff changeset
334 :rtype: A generator
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parents: 417
diff changeset
335 :raise KeyError:
bb5f11abd12a Implement .getkeysl() and .getkeys() for configuration objects that iterate over all the keys of a configuration value
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parents: 417
diff changeset
336
bb5f11abd12a Implement .getkeysl() and .getkeys() for configuration objects that iterate over all the keys of a configuration value
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parents: 417
diff changeset
337 .. 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
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parents: 417
diff changeset
338
bb5f11abd12a Implement .getkeysl() and .getkeys() for configuration objects that iterate over all the keys of a configuration value
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parents: 417
diff changeset
339 """
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parents: 417
diff changeset
340 if "default" in kwds:
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parents: 417
diff changeset
341 raise TypeError("got unexpected keyword argument: default")
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parents: 417
diff changeset
342 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
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parents: 417
diff changeset
343 yield k
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parents: 417
diff changeset
344
381
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
345 def getfirstvarl(self, *paths, **kwds):
385
4beeb291926d First documentation of getfirstvarl()
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parents: 384
diff changeset
346 """A variant of :meth:`~.getvarl` that returns the first found
4beeb291926d First documentation of getfirstvarl()
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parents: 384
diff changeset
347 variable in the `paths` list.
4beeb291926d First documentation of getfirstvarl()
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parents: 384
diff changeset
348
4beeb291926d First documentation of getfirstvarl()
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parents: 384
diff changeset
349 Every item in `paths` is either a `tuple` or `list` or a `dict`.
4beeb291926d First documentation of getfirstvarl()
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parents: 384
diff changeset
350 If the path item is a `dict` then it must have two keys "namespace"
4beeb291926d First documentation of getfirstvarl()
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parents: 384
diff changeset
351 and "path".
4beeb291926d First documentation of getfirstvarl()
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parents: 384
diff changeset
352 If the path item is a `list` or `tuple` then the namespace is assumed
4beeb291926d First documentation of getfirstvarl()
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parents: 384
diff changeset
353 to be `None`.
4beeb291926d First documentation of getfirstvarl()
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parents: 384
diff changeset
354
389
Franz Glasner <fzglas.hg@dom66.de>
parents: 388
diff changeset
355 Note that a caller that wants to use variables from a non-default
Franz Glasner <fzglas.hg@dom66.de>
parents: 388
diff changeset
356 namespace must use a sequence of dicts.
Franz Glasner <fzglas.hg@dom66.de>
parents: 388
diff changeset
357
385
4beeb291926d First documentation of getfirstvarl()
Franz Glasner <fzglas.hg@dom66.de>
parents: 384
diff changeset
358 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
359
4beeb291926d First documentation of getfirstvarl()
Franz Glasner <fzglas.hg@dom66.de>
parents: 384
diff changeset
360 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
361
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
362 """
381
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
363 default = kwds.pop("default", _MARKER)
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
364 for path in paths:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
365 if isinstance(path, (list, tuple)):
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
366 try:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
367 varvalue = self.getvarl(*path)
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
368 except KeyError:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
369 pass
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
370 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
371 return varvalue
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
372 elif isinstance(path, dict):
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
373 try:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
374 namespace = path["namespace"]
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
375 p = path["path"]
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
376 except KeyError:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
377 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
378 " and a `namespace' key")
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
379 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
380 try:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
381 varvalue = self.getvarl(*p, namespace=namespace)
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
382 except KeyError:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
383 pass
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
384 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
385 return varvalue
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
386 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
387 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
388 if default is _MARKER:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
389 raise KeyError(
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
390 "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
391 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
392 return default
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
393
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
394 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
395 """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
396 variables from other namespaces.
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
397
202
2e66178a09d8 Docu: Ban "keyword expansion" -- use "variable interpolation" instead
Franz Glasner <fzglas.hg@dom66.de>
parents: 156
diff changeset
398 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
399
333
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
400 Special characters (e.g. ``:`` and ``.``) must be quoted when using
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
401 the default namespace.
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
402
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
403 See also :meth:`~.quote`.
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
404
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
405 """
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
406 varns, varname = self._split_ns(varname)
314
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
407 if not varns:
419
079a82129110 Allow the empty variable name to retrieve the root configuration object
Franz Glasner <fzglas.hg@dom66.de>
parents: 418
diff changeset
408 if varname:
079a82129110 Allow the empty variable name to retrieve the root configuration object
Franz Glasner <fzglas.hg@dom66.de>
parents: 418
diff changeset
409 varnameparts = [
079a82129110 Allow the empty variable name to retrieve the root configuration object
Franz Glasner <fzglas.hg@dom66.de>
parents: 418
diff changeset
410 self.unquote(vp)
079a82129110 Allow the empty variable name to retrieve the root configuration object
Franz Glasner <fzglas.hg@dom66.de>
parents: 418
diff changeset
411 for vp in varname.split(self._HIER_SEPARATOR)
079a82129110 Allow the empty variable name to retrieve the root configuration object
Franz Glasner <fzglas.hg@dom66.de>
parents: 418
diff changeset
412 ]
079a82129110 Allow the empty variable name to retrieve the root configuration object
Franz Glasner <fzglas.hg@dom66.de>
parents: 418
diff changeset
413 else:
079a82129110 Allow the empty variable name to retrieve the root configuration object
Franz Glasner <fzglas.hg@dom66.de>
parents: 418
diff changeset
414 varnameparts = tuple()
314
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
415 else:
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
416 varnameparts = (varname,)
364
1941f0188e81 FIX: Handle a "default" keyword parameter in ".getvar()" properly.
Franz Glasner <fzglas.hg@dom66.de>
parents: 357
diff changeset
417 return self.getvarl(*varnameparts, namespace=varns, default=default)
314
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
418
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
419 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
420 """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
421
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
422 :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
423 :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
424
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
425 .. 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
426
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
427 """
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
428 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
429 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
430
368
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
431 def getfirstvar(self, *varnames, **kwds):
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
432 """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
433 in the list of given variables in `varnames`.
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
434
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
435 """
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
436 default = kwds.pop("default", _MARKER)
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
437 for varname in varnames:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
438 try:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
439 varvalue = self.getvar(varname)
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
440 except KeyError:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
441 pass
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
442 else:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
443 return varvalue
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
444 if default is _MARKER:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
445 raise KeyError(
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
446 "none of the given variables found: %r" % (varnames,))
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
447 else:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
448 return default
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
449
382
24db29162d09 Renamed "names" arguments into the more proper "path"
Franz Glasner <fzglas.hg@dom66.de>
parents: 381
diff changeset
450 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
451 """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
452
382
24db29162d09 Renamed "names" arguments into the more proper "path"
Franz Glasner <fzglas.hg@dom66.de>
parents: 381
diff changeset
453 `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
454 :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
455 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
456 applied.
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
457
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
458 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
459
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
460 """
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
461 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
462 namespace = kwds.pop("namespace", None)
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
463 try:
382
24db29162d09 Renamed "names" arguments into the more proper "path"
Franz Glasner <fzglas.hg@dom66.de>
parents: 381
diff changeset
464 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
465 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
466 except KeyError:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
467 if default is _MARKER:
314
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
468 raise
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
469 else:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
470 return default
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
471
381
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
472 def getfirstvarl_s(self, *paths, **kwds):
388
13427f37abab Docs: document Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 385
diff changeset
473 """A variant of :meth:`~.getfirstvarl` that does variable
13427f37abab Docs: document Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 385
diff changeset
474 interpolation.
13427f37abab Docs: document Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 385
diff changeset
475
13427f37abab Docs: document Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 385
diff changeset
476 `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
477 But variables will be interpolated
13427f37abab Docs: document Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 385
diff changeset
478 recursively within the variable values and filters are
13427f37abab Docs: document Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 385
diff changeset
479 applied.
13427f37abab Docs: document Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 385
diff changeset
480
13427f37abab Docs: document Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 385
diff changeset
481 For more details see chapter :ref:`variable-interpolation`.
13427f37abab Docs: document Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 385
diff changeset
482
13427f37abab Docs: document Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 385
diff changeset
483 """
381
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
484 default = kwds.pop("default", _MARKER)
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
485 for path in paths:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
486 if isinstance(path, (list, tuple)):
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
487 try:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
488 obj = self.getvarl(*path)
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
489 except KeyError:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
490 pass
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
491 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
492 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
493
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
494 elif isinstance(path, dict):
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
495 try:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
496 namespace = path["namespace"]
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
497 p = path["path"]
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
498 except KeyError:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
499 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
500 " and a `namespace' key")
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
501 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
502 try:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
503 obj = self.getvarl(*p, namespace=namespace)
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
504 except KeyError:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
505 pass
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
506 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
507 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
508 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
509 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
510 if default is _MARKER:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
511 raise KeyError(
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
512 "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
513 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
514 return default
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
515
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
516 def getvar_s(self, varname, default=_MARKER):
24
fa65adab0b71 FIX: Typo in comment
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 23
diff changeset
517 """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
518
115
a5339d39af5c Begin the documentation of variables and its expansion
Franz Glasner <hg@dom66.de>
parents: 104
diff changeset
519 `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
520 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
521 and filters are applied.
115
a5339d39af5c Begin the documentation of variables and its expansion
Franz Glasner <hg@dom66.de>
parents: 104
diff changeset
522
202
2e66178a09d8 Docu: Ban "keyword expansion" -- use "variable interpolation" instead
Franz Glasner <fzglas.hg@dom66.de>
parents: 156
diff changeset
523 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
524
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
525 """
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
526 try:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
527 obj = self.getvar(varname)
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
528 return self.substitute_variables_in_obj(obj)
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
529 except KeyError:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
530 if default is _MARKER:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
531 raise
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
532 else:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
533 return default
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
534
368
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
535 def getfirstvar_s(self, *varnames, **kwds):
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
536 """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
537 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
538
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
539 """
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
540 default = kwds.pop("default", _MARKER)
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
541 for varname in varnames:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
542 try:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
543 obj = self.getvar(varname)
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
544 except KeyError:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
545 pass
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
546 else:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
547 return self.substitute_variables_in_obj(obj)
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
548 if default is _MARKER:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
549 raise KeyError(
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
550 "none of the given variables found: %r" % (varnames,))
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
551 else:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
552 return default
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
553
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
554 def _split_ns(self, s):
480
3cfc808e613b Because we are Pytho 2.6+ remove some compatibility code for pre-Python 2.6
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 479
diff changeset
555 ns, sep, rest = s.partition(self._NS_SEPARATOR)
3cfc808e613b Because we are Pytho 2.6+ remove some compatibility code for pre-Python 2.6
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 479
diff changeset
556 if sep:
3cfc808e613b Because we are Pytho 2.6+ remove some compatibility code for pre-Python 2.6
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 479
diff changeset
557 return (self.unquote(ns), rest)
3cfc808e613b Because we are Pytho 2.6+ remove some compatibility code for pre-Python 2.6
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 479
diff changeset
558 else:
3cfc808e613b Because we are Pytho 2.6+ remove some compatibility code for pre-Python 2.6
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 479
diff changeset
559 return (None, ns)
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
560
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
561 def _split_filters(self, s):
480
3cfc808e613b Because we are Pytho 2.6+ remove some compatibility code for pre-Python 2.6
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 479
diff changeset
562 name, sep, filters = s.partition(self._FILTER_SEPARATOR)
3cfc808e613b Because we are Pytho 2.6+ remove some compatibility code for pre-Python 2.6
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 479
diff changeset
563 if sep:
3cfc808e613b Because we are Pytho 2.6+ remove some compatibility code for pre-Python 2.6
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 479
diff changeset
564 filters = filters.strip()
3cfc808e613b Because we are Pytho 2.6+ remove some compatibility code for pre-Python 2.6
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 479
diff changeset
565 if filters:
3cfc808e613b Because we are Pytho 2.6+ remove some compatibility code for pre-Python 2.6
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 479
diff changeset
566 return (name.rstrip(),
3cfc808e613b Because we are Pytho 2.6+ remove some compatibility code for pre-Python 2.6
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 479
diff changeset
567 filters.split(self._FILTER_SEPARATOR))
476
eddc0f7c6271 Optimize ._split_filters() for the most common case of no-filters: use s.partition() first
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 475
diff changeset
568 else:
480
3cfc808e613b Because we are Pytho 2.6+ remove some compatibility code for pre-Python 2.6
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 479
diff changeset
569 return (name.rstrip(), [])
3cfc808e613b Because we are Pytho 2.6+ remove some compatibility code for pre-Python 2.6
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 479
diff changeset
570 else:
3cfc808e613b Because we are Pytho 2.6+ remove some compatibility code for pre-Python 2.6
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 479
diff changeset
571 return (name, [])
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
572
382
24db29162d09 Renamed "names" arguments into the more proper "path"
Franz Glasner <fzglas.hg@dom66.de>
parents: 381
diff changeset
573 def _lookupvar(self, *path, **kwds):
314
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
574 """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
575
382
24db29162d09 Renamed "names" arguments into the more proper "path"
Franz Glasner <fzglas.hg@dom66.de>
parents: 381
diff changeset
576 If no default is given an unexisting `path` raises a `KeyError`
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
577 else `default` is returned.
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
578 """
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
579 default = kwds.pop("default", _MARKER)
419
079a82129110 Allow the empty variable name to retrieve the root configuration object
Franz Glasner <fzglas.hg@dom66.de>
parents: 418
diff changeset
580 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
581 return self
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
582 try:
438
Franz Glasner <fzglas.hg@dom66.de>
parents: 437
diff changeset
583 v = self.expand_if_reference(
Franz Glasner <fzglas.hg@dom66.de>
parents: 437
diff changeset
584 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
585 for p in path[1:]:
305
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
586 v = self.expand_if_reference(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
587 except TypeError:
207
b3b5ed34d180 Handle most flake8 errors and warnings.
Franz Glasner <fzglas.hg@dom66.de>
parents: 202
diff changeset
588 raise KeyError(
b3b5ed34d180 Handle most flake8 errors and warnings.
Franz Glasner <fzglas.hg@dom66.de>
parents: 202
diff changeset
589 "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
590 "(missing intermediate keys?)" % (path,))
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
591 except KeyError:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
592 if default is _MARKER:
314
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
593 raise KeyError(
382
24db29162d09 Renamed "names" arguments into the more proper "path"
Franz Glasner <fzglas.hg@dom66.de>
parents: 381
diff changeset
594 "Configuration variable %r not found" % (path,))
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
595 else:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
596 return default
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
597 return v
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
598
305
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
599 def _lookupref(self, key, default=_MARKER):
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
600 """
311
Franz Glasner <fzglas.hg@dom66.de>
parents: 310
diff changeset
601
Franz Glasner <fzglas.hg@dom66.de>
parents: 310
diff changeset
602 `key` must be a configuration reference URI without any
Franz Glasner <fzglas.hg@dom66.de>
parents: 310
diff changeset
603 (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
604
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
605 """
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
606 return self.expand_ref_uri(key, default=default)
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
607
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
608 def expand_if_reference(self, v, default=_MARKER):
311
Franz Glasner <fzglas.hg@dom66.de>
parents: 310
diff changeset
609 """Check whether `v` is a configuration reference and -- if true --
Franz Glasner <fzglas.hg@dom66.de>
parents: 310
diff changeset
610 then expand it.
305
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
611
310
801cd16223e4 FIX: Docu
Franz Glasner <fzglas.hg@dom66.de>
parents: 305
diff changeset
612 `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
613
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
614 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
615 unchanged.
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
616
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
617 """
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
618 if not isinstance(v, self._TEXTTYPE):
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
619 return v
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
620 if not v.startswith(self._STARTTOK_REF) \
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
621 or not v.endswith(self._ENDTOK_REF):
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
622 return v
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
623 return self.expand_ref_uri(
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
624 v[len(self._STARTTOK_REF):-len(self._ENDTOK_REF)],
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
625 default=default)
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
626
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
627 def expand_ref_uri(self, uri, default=_MARKER):
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
628 pu = urlsplit(uri)
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
629 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
630 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
631 if not pu.fragment:
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
632 return self
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
633 if pu.fragment.startswith(self._DOT):
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
634 raise ValueError("relative refs not supported")
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
635 return self.getvar(pu.fragment, default=default)
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
636
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
637 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
638 """Recursively expand variables in the object tree `obj`."""
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
639 if isinstance(obj, self._TEXTTYPE):
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
640 # a string - really replace the value
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
641 return self.expand_variable(obj)
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
642 elif isinstance(obj, list):
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
643 return [self.substitute_variables_in_obj(i) for i in obj]
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
644 elif isinstance(obj, tuple):
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
645 tmp = [self.substitute_variables_in_obj(i) for i in obj]
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
646 return type(obj)(tmp)
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
647 elif isinstance(obj, dict):
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
648 newdict = type(obj)()
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
649 for k in obj:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
650 newdict[k] = self.substitute_variables_in_obj(obj[k])
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
651 return newdict
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
652 elif isinstance(obj, set):
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
653 newset = type(obj)()
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
654 for i in obj:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
655 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
656 else:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
657 return obj
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
658
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
659 def expand_variable(self, s):
302
Franz Glasner <fzglas.hg@dom66.de>
parents: 296
diff changeset
660 """Expand variables in the single string `s`"""
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
661 start = s.find(self._STARTTOK, 0)
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
662 while start != -1:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
663 end = s.find(self._ENDTOK, start)
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
664 if end < 0:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
665 return s
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
666 varname, filters = self._split_filters(s[start+2:end])
39
8715e5cc59ac Print a warning if a variable cannot be expanded.
Franz Glasner <hg@dom66.de>
parents: 36
diff changeset
667 try:
357
dd454e1efea4 Use constants for the names of the "None" and "Empty" filters
Franz Glasner <fzglas.hg@dom66.de>
parents: 352
diff changeset
668 if NONE_FILTER in filters:
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
669 varvalue = self._apply_filters(
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
670 filters, self.getvar_s(varname, default=None))
357
dd454e1efea4 Use constants for the names of the "None" and "Empty" filters
Franz Glasner <fzglas.hg@dom66.de>
parents: 352
diff changeset
671 elif EMPTY_FILTER in filters:
352
2b209bdf6995 Implement the "Empty" filter.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 350
diff changeset
672 varvalue = self._apply_filters(
2b209bdf6995 Implement the "Empty" filter.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 350
diff changeset
673 filters, self.getvar_s(varname, default=u("")))
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
674 else:
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
675 varvalue = self._apply_filters(
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
676 filters, self.getvar_s(varname))
39
8715e5cc59ac Print a warning if a variable cannot be expanded.
Franz Glasner <hg@dom66.de>
parents: 36
diff changeset
677 except KeyError:
8715e5cc59ac Print a warning if a variable cannot be expanded.
Franz Glasner <hg@dom66.de>
parents: 36
diff changeset
678 warnings.warn("Cannot expand variable %r in string "
8715e5cc59ac Print a warning if a variable cannot be expanded.
Franz Glasner <hg@dom66.de>
parents: 36
diff changeset
679 "%r" % (varname, s, ),
8715e5cc59ac Print a warning if a variable cannot be expanded.
Franz Glasner <hg@dom66.de>
parents: 36
diff changeset
680 UserWarning,
8715e5cc59ac Print a warning if a variable cannot be expanded.
Franz Glasner <hg@dom66.de>
parents: 36
diff changeset
681 stacklevel=1)
8715e5cc59ac Print a warning if a variable cannot be expanded.
Franz Glasner <hg@dom66.de>
parents: 36
diff changeset
682 raise
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
683 #
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
684 # 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
685 # 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
686 #
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
687 if (start == 0) and (end + 2 == len(s)):
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
688 return varvalue
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
689 if varvalue is None:
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
690 varvalue = u("")
249
1e38ccfba3de Use explicit type conversion instead of an implicit one.
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
691 replaced = s[:start] + u(str(varvalue))
248
13283057a21e Do not use ".format()" but string concatenation or (when conversion to Unicode is needed) the faster %s method
Franz Glasner <fzglas.hg@dom66.de>
parents: 237
diff changeset
692 s = replaced + s[end+2:]
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
693 # don't re-evaluate because `self.getvar_s()` expands already
23
c77cb6bc8eeb FIX: Handle non-str types in variable substitutions properly
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 18
diff changeset
694 start = s.find(self._STARTTOK, len(replaced))
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
695 return s
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
696
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
697 def _apply_filters(self, filters, value):
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
698 for name in filters:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
699 try:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
700 filterfn = lookup_filter(name)
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
701 except KeyError:
40
8d66aef2f7fb Comment about exceptions when filters are missing.
Franz Glasner <hg@dom66.de>
parents: 39
diff changeset
702 #
8d66aef2f7fb Comment about exceptions when filters are missing.
Franz Glasner <hg@dom66.de>
parents: 39
diff changeset
703 # 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
704 # a very serious error.
8d66aef2f7fb Comment about exceptions when filters are missing.
Franz Glasner <hg@dom66.de>
parents: 39
diff changeset
705 #
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
706 raise NameError("Filter %r not found" % name)
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
707 else:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
708 value = filterfn(self, value)
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
709 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
710
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
711 @classmethod
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
712 def quote(klass, s):
333
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
713 """Replace important special characters in string `s` by replacing
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
714 them with ``%xNN`` where `NN` are the two hexadecimal digits of the
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
715 characters unicode codepoint value.
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
716
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
717 Handled are the important special chars: ``%``, ``.``, ``:``,
334
a04cd5dbcd2c By default quote also the characters "{", "}", "[" and "]" because they are special in YAML
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 333
diff changeset
718 ``#``; ``'``, ``"``, ``|``, ``{``, ``}``, ``[`` and ``]``.
333
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
719
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
720 See also the :ref:`quoting` section.
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
721
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
722 """
483
38e4be1882e3 Optimize .quote() by using str.translate() instead of repeatedly calling str.replace()
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 482
diff changeset
723 # Quick check whether all of the chars are in _QUOTE_SAFE
481
e3990ec55f2a Use a quick-check for .quote() if no quoting is needed
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 480
diff changeset
724 if not s.rstrip(klass._QUOTE_SAFE):
e3990ec55f2a Use a quick-check for .quote() if no quoting is needed
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 480
diff changeset
725 return s
483
38e4be1882e3 Optimize .quote() by using str.translate() instead of repeatedly calling str.replace()
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 482
diff changeset
726
481
e3990ec55f2a Use a quick-check for .quote() if no quoting is needed
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 480
diff changeset
727 # Slow path
483
38e4be1882e3 Optimize .quote() by using str.translate() instead of repeatedly calling str.replace()
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 482
diff changeset
728 re_encode = False
38e4be1882e3 Optimize .quote() by using str.translate() instead of repeatedly calling str.replace()
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 482
diff changeset
729 if PY2:
38e4be1882e3 Optimize .quote() by using str.translate() instead of repeatedly calling str.replace()
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 482
diff changeset
730 # Use the Unicode translation variant in PY2
38e4be1882e3 Optimize .quote() by using str.translate() instead of repeatedly calling str.replace()
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 482
diff changeset
731 if isinstance(s, str):
38e4be1882e3 Optimize .quote() by using str.translate() instead of repeatedly calling str.replace()
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 482
diff changeset
732 s = s.decode("latin1")
38e4be1882e3 Optimize .quote() by using str.translate() instead of repeatedly calling str.replace()
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 482
diff changeset
733 re_encode = True
38e4be1882e3 Optimize .quote() by using str.translate() instead of repeatedly calling str.replace()
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 482
diff changeset
734 s = s.translate(klass._QUOTE_MAP)
38e4be1882e3 Optimize .quote() by using str.translate() instead of repeatedly calling str.replace()
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 482
diff changeset
735 if re_encode:
38e4be1882e3 Optimize .quote() by using str.translate() instead of repeatedly calling str.replace()
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 482
diff changeset
736 return s.encode("latin1")
38e4be1882e3 Optimize .quote() by using str.translate() instead of repeatedly calling str.replace()
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 482
diff changeset
737 else:
38e4be1882e3 Optimize .quote() by using str.translate() instead of repeatedly calling str.replace()
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 482
diff changeset
738 return s
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
739
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
740 @classmethod
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
741 def unquote(klass, s):
333
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
742 """Unquote the content of `s`: handle all patterns ``%xNN``,
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
743 ``%uNNNN`` or ``%UNNNNNNNN``.
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
744
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
745 This is the inverse of :meth:`~.quote`.
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
746
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
747 """
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
748 if klass._QUOTE not in s:
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
749 return s
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
750 parts = s.split(klass._QUOTE)
477
1de6cc49776e Optimize .unquote() by aliasing some methods to locals and avoiding the first append call
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 476
diff changeset
751 res = [parts[0]]
1de6cc49776e Optimize .unquote() by aliasing some methods to locals and avoiding the first append call
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 476
diff changeset
752 res_append = res.append
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
753 for p in parts[1:]:
479
490f0c4665bb Optimize .unquote(): instead of doing string comparisone do this with characters
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 478
diff changeset
754 try:
490f0c4665bb Optimize .unquote(): instead of doing string comparisone do this with characters
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 478
diff changeset
755 qc = p[0]
490f0c4665bb Optimize .unquote(): instead of doing string comparisone do this with characters
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 478
diff changeset
756 except IndexError:
490f0c4665bb Optimize .unquote(): instead of doing string comparisone do this with characters
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 478
diff changeset
757 raise ValueError("unknown quote syntax string: {}".format(s))
490f0c4665bb Optimize .unquote(): instead of doing string comparisone do this with characters
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 478
diff changeset
758 if qc == klass._QUOTE_x:
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
759 if len(p) < 3:
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
760 raise ValueError("quote syntax: length too small")
477
1de6cc49776e Optimize .unquote() by aliasing some methods to locals and avoiding the first append call
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 476
diff changeset
761 res_append(uchr(int(p[1:3], 16)))
1de6cc49776e Optimize .unquote() by aliasing some methods to locals and avoiding the first append call
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 476
diff changeset
762 res_append(p[3:])
479
490f0c4665bb Optimize .unquote(): instead of doing string comparisone do this with characters
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 478
diff changeset
763 elif qc == klass._QUOTE_u:
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
764 if len(p) < 5:
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
765 raise ValueError("quote syntax: length too small")
477
1de6cc49776e Optimize .unquote() by aliasing some methods to locals and avoiding the first append call
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 476
diff changeset
766 res_append(uchr(int(p[1:5], 16)))
1de6cc49776e Optimize .unquote() by aliasing some methods to locals and avoiding the first append call
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 476
diff changeset
767 res_append(p[5:])
479
490f0c4665bb Optimize .unquote(): instead of doing string comparisone do this with characters
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 478
diff changeset
768 elif qc == klass._QUOTE_U:
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
769 if len(p) < 9:
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
770 raise ValueError("quote syntax: length too small")
477
1de6cc49776e Optimize .unquote() by aliasing some methods to locals and avoiding the first append call
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 476
diff changeset
771 res_append(uchr(int(p[1:9], 16)))
1de6cc49776e Optimize .unquote() by aliasing some methods to locals and avoiding the first append call
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 476
diff changeset
772 res_append(p[9:])
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
773 else:
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
774 raise ValueError("unknown quote syntax string: {}".format(s))
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
775 return ''.join(res)
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
776
411
3c95faa91dad Optimize the creation of a jailed config.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 406
diff changeset
777 def jailed(self, rootpath=None, root=None, bind_root=True):
399
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
778 """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
779
399
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
780 :param rootpath: a sequence of strings that shall emcompass
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
781 the chroot-like jail of the returned
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
782 configuration
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
783 :type rootpath: list or tuple
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
784 :param str root: a string path expression that shall encompass
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
785 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
786 :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
787 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
788 `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
789 the default
397
Franz Glasner <fzglas.hg@dom66.de>
parents: 396
diff changeset
790 :return: a jailed (aka restricted) configuration
Franz Glasner <fzglas.hg@dom66.de>
parents: 396
diff changeset
791 :rtype: _JailedConfiguration
Franz Glasner <fzglas.hg@dom66.de>
parents: 396
diff changeset
792
399
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
793 Exactly one of `rootpath` or `root` must be given.
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
794
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
795 """
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
796 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
797 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
798 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
799 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
800 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
801 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
802 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
803 # convert to path
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
804 varns, varname = self._split_ns(root)
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
805 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
806 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
807 "jailed configurations do not support namespaces")
416
2abde0d3c735 FIX: Handle .jailed() with an empty "root" properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 412
diff changeset
808 if varname:
2abde0d3c735 FIX: Handle .jailed() with an empty "root" properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 412
diff changeset
809 rootpath = [
2abde0d3c735 FIX: Handle .jailed() with an empty "root" properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 412
diff changeset
810 self.unquote(p) for p in root.split(
2abde0d3c735 FIX: Handle .jailed() with an empty "root" properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 412
diff changeset
811 self._HIER_SEPARATOR)
2abde0d3c735 FIX: Handle .jailed() with an empty "root" properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 412
diff changeset
812 ]
2abde0d3c735 FIX: Handle .jailed() with an empty "root" properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 412
diff changeset
813 else:
2abde0d3c735 FIX: Handle .jailed() with an empty "root" properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 412
diff changeset
814 rootpath = tuple()
411
3c95faa91dad Optimize the creation of a jailed config.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 406
diff changeset
815 jc = _JailedConfiguration(*rootpath)
3c95faa91dad Optimize the creation of a jailed config.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 406
diff changeset
816 if bind_root:
3c95faa91dad Optimize the creation of a jailed config.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 406
diff changeset
817 jc.rebind(self)
3c95faa91dad Optimize the creation of a jailed config.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 406
diff changeset
818 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
819
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
820
412
816327e178b0 Provide coercing methods for the jailed configuration: getintXXX(), getboolXXX(), getfloatXXX() and friends.
Franz Glasner <fzglas.hg@dom66.de>
parents: 411
diff changeset
821 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
822
397
Franz Glasner <fzglas.hg@dom66.de>
parents: 396
diff changeset
823 """A jailed and restricted variant of :class:`Configuration`.
Franz Glasner <fzglas.hg@dom66.de>
parents: 396
diff changeset
824
399
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
825 Restriction is two-fold:
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
826
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
827 - The access to configuration variables in `config` is restricted
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
828 to the configuration sub-tree that is configured in `path`.
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
829
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
830 - Not all access-methods of :class:`Configuration` are implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
831 yet.
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
832
400
Franz Glasner <fzglas.hg@dom66.de>
parents: 399
diff changeset
833 .. seealso:: :ref:`jailed-configuration`
Franz Glasner <fzglas.hg@dom66.de>
parents: 399
diff changeset
834
399
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
835 .. note:: There is no namespace support.
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
836
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
837 .. note:: Do not call the constructor directly. Instantiate a jailed
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
838 configuration from the parent configuration's
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
839 :meth:`~.Configuration.jailed` factory method.
397
Franz Glasner <fzglas.hg@dom66.de>
parents: 396
diff changeset
840
Franz Glasner <fzglas.hg@dom66.de>
parents: 396
diff changeset
841 """
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
842
396
Franz Glasner <fzglas.hg@dom66.de>
parents: 395
diff changeset
843 __slots__ = ("_base", "_path", "_pathstr")
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
844
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
845 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
846 """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
847
411
3c95faa91dad Optimize the creation of a jailed config.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 406
diff changeset
848 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
849 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
850 self._path = path
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
851 if path:
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
852 self._pathstr = \
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
853 Configuration._HIER_SEPARATOR.join(
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
854 [Configuration.quote(p) for p in path]) \
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
855 + Configuration._HIER_SEPARATOR
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
856 else:
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
857 self._pathstr = ''
405
af367e1d0950 Allow to rebind a jailed configuration to another "similar" base
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 404
diff changeset
858
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
859 @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
860 def base(self):
426
84d4f82ffe59 Docs: more on jails and sub-jails
Franz Glasner <fzglas.hg@dom66.de>
parents: 419
diff changeset
861 """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
862
84d4f82ffe59 Docs: more on jails and sub-jails
Franz Glasner <fzglas.hg@dom66.de>
parents: 419
diff changeset
863 This configuration is always unjailed.
84d4f82ffe59 Docs: more on jails and sub-jails
Franz Glasner <fzglas.hg@dom66.de>
parents: 419
diff changeset
864
84d4f82ffe59 Docs: more on jails and sub-jails
Franz Glasner <fzglas.hg@dom66.de>
parents: 419
diff changeset
865 """
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
866 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
867
405
af367e1d0950 Allow to rebind a jailed configuration to another "similar" base
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 404
diff changeset
868 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
869 """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
870
af367e1d0950 Allow to rebind a jailed configuration to another "similar" base
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 404
diff changeset
871 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
872 the root.
af367e1d0950 Allow to rebind a jailed configuration to another "similar" base
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 404
diff changeset
873
af367e1d0950 Allow to rebind a jailed configuration to another "similar" base
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 404
diff changeset
874 :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
875
af367e1d0950 Allow to rebind a jailed configuration to another "similar" base
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 404
diff changeset
876 """
af367e1d0950 Allow to rebind a jailed configuration to another "similar" base
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 404
diff changeset
877 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
878 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
879 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
880 #
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
881 # 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
882 # 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
883 #
449
5864977bb44f FIX: KeyError formatting.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 448
diff changeset
884 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
885 raise KeyError(
5864977bb44f FIX: KeyError formatting.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 448
diff changeset
886 "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
887 % (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
888
448
b95c12781497 Attribute-style access for jailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 443
diff changeset
889 def __getattr__(self, name):
469
Franz Glasner <fzglas.hg@dom66.de>
parents: 468
diff changeset
890 """Attribute-style access.
Franz Glasner <fzglas.hg@dom66.de>
parents: 468
diff changeset
891
Franz Glasner <fzglas.hg@dom66.de>
parents: 468
diff changeset
892 Result values are interpolated (i.e. forwarded to
Franz Glasner <fzglas.hg@dom66.de>
parents: 468
diff changeset
893 :meth:`~.getvarl_s`)
Franz Glasner <fzglas.hg@dom66.de>
parents: 468
diff changeset
894
Franz Glasner <fzglas.hg@dom66.de>
parents: 468
diff changeset
895 """
448
b95c12781497 Attribute-style access for jailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 443
diff changeset
896 try:
b95c12781497 Attribute-style access for jailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 443
diff changeset
897 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
898 except KeyError:
b95c12781497 Attribute-style access for jailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 443
diff changeset
899 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
900 else:
b95c12781497 Attribute-style access for jailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 443
diff changeset
901 # 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
902 if isinstance(v, dict):
b95c12781497 Attribute-style access for jailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 443
diff changeset
903 return _AttributeDict(v)
b95c12781497 Attribute-style access for jailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 443
diff changeset
904 else:
b95c12781497 Attribute-style access for jailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 443
diff changeset
905 return v
b95c12781497 Attribute-style access for jailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 443
diff changeset
906
437
bbc5b64e137a - Dict-level access to a configuration key now does variable interpolation.
Franz Glasner <fzglas.hg@dom66.de>
parents: 432
diff changeset
907 def __getitem__(self, key):
469
Franz Glasner <fzglas.hg@dom66.de>
parents: 468
diff changeset
908 """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
909
bbc5b64e137a - Dict-level access to a configuration key now does variable interpolation.
Franz Glasner <fzglas.hg@dom66.de>
parents: 432
diff changeset
910 """
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
911 if isinstance(key, tuple):
440
f297c23f78f0 Optimize __getitem__() in jailed configurations: call base directly
Franz Glasner <fzglas.hg@dom66.de>
parents: 439
diff changeset
912 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
913 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
914 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
915 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
916 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
917
442
94cf5a8722d6 Add proper .get() support for jailed and unjailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 441
diff changeset
918 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
919 if isinstance(key, tuple):
94cf5a8722d6 Add proper .get() support for jailed and unjailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 441
diff changeset
920 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
921 elif isinstance(key, list):
94cf5a8722d6 Add proper .get() support for jailed and unjailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 441
diff changeset
922 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
923 else:
94cf5a8722d6 Add proper .get() support for jailed and unjailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 441
diff changeset
924 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
925
439
bd27da55483a Optimized __contains__() implementation for jailed and unjailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 438
diff changeset
926 def __contains__(self, key):
469
Franz Glasner <fzglas.hg@dom66.de>
parents: 468
diff changeset
927 """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
928 if isinstance(key, tuple):
439
bd27da55483a Optimized __contains__() implementation for jailed and unjailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 438
diff changeset
929 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
930 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
931 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
932 else:
bd27da55483a Optimized __contains__() implementation for jailed and unjailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 438
diff changeset
933 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
934
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
935 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
936 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
937
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
938 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
939 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
940 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
941
398
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
942 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
943 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
944 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
945 if isinstance(path, (list, tuple)):
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
946 real_paths.append(self._path + path)
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
947 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
948 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
949 "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
950 else:
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
951 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
952 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
953
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 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
955 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
956
398
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
957 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
958 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
959 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
960 if isinstance(path, (list, tuple)):
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
961 real_paths.append(self._path + path)
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
962 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
963 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
964 "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
965 else:
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
966 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
967 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
968
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
969 def getvar(self, varname, **kwds):
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
970 return self._base.getvar(self._pathstr + varname, **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
971
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
972 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
973 for k in self._base.getkeys(self._pathstr + 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
974 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
975
398
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
976 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
977 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
978 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
979
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
980 def getvar_s(self, varname, **kwds):
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
981 return self._base.getvar_s(self._pathstr + varname, **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
982
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
983 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
984 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
985 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
986
459
9dc9cef1b9cd Implement proper iteration support for jailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 455
diff changeset
987 def __iter__(self):
469
Franz Glasner <fzglas.hg@dom66.de>
parents: 468
diff changeset
988 """Iteration support for containers"""
459
9dc9cef1b9cd Implement proper iteration support for jailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 455
diff changeset
989 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
990
467
9fcdc42a0457 len-support for jailed configurations: implement a proper __len__() method
Franz Glasner <fzglas.hg@dom66.de>
parents: 460
diff changeset
991 def __len__(self):
469
Franz Glasner <fzglas.hg@dom66.de>
parents: 468
diff changeset
992 """Length support for containers"""
467
9fcdc42a0457 len-support for jailed configurations: implement a proper __len__() method
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993 return len(self._base.getvarl(*self._path))
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994
460
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995 if PY2:
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996
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997 def __nonzero__(self):
469
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998 """Map- and list-style evaluation in boolean context"""
460
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999 return bool(self._base.getvarl_s(*self._path))
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1000
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1001 else:
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1002
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1003 def __bool__(self):
469
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1004 """Map- and list-style evaluation in boolean context"""
460
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1005 return bool(self._base.getvarl_s(*self._path))
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1006
417
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1007 def jailed(self, rootpath=None, root=None, bind_root=True):
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1008 """Return a "jailed" configuration that effectively is a
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1009 subjail of the current jail
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1010
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1011 For a more complete description see :meth:`.Configuration.jailed`.
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1012
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1013 """
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1014 if rootpath is not None and root is not None:
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1015 raise ValueError("only one of `rootpath' or `root' can be given")
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1016 if rootpath is None and root is None:
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diff changeset
1017 raise ValueError("one of `rootpath' or `root' must be given")
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1018 if rootpath is not None and not isinstance(rootpath, (list, tuple)):
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1019 raise TypeError("`rootpath' must be a list or a tuple")
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1020 if root is not None:
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1021 # convert to path
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1022 varns, varname = self._base._split_ns(root)
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1023 if varns:
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1024 raise ValueError(
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1025 "sub-jails do not support namespaces")
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diff changeset
1026 if varname:
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1027 rootpath = [
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1028 self._base.unquote(p) for p in varname.split(
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diff changeset
1029 self._base._HIER_SEPARATOR)
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1030 ]
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1031 else:
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1032 rootpath = tuple()
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1033 if self._path:
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1034 new_rootpath = self._path + tuple(rootpath)
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1035 else:
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1036 new_rootpath = rootpath
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diff changeset
1037 sjc = _JailedConfiguration(*new_rootpath)
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1038 if bind_root:
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1039 sjc.rebind(self._base)
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diff changeset
1040 return sjc
432
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diff changeset
1041
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diff changeset
1042 def __repr__(self):
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parents: 428
diff changeset
1043 r = "_JailedConfiguration(rootpath=%s)" % n(repr(self._path))
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diff changeset
1044 return r