annotate configmix/config.py @ 491:de776953337b

Remove repeated type(obj) calls
author Franz Glasner <f.glasner@feldmann-mg.com>
date Fri, 17 Dec 2021 16:56:31 +0100
parents ea4b7fac02d6
children 6a0f761ff35b
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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eed16a1ec8f3 Use SPDX license identifiers (either full or short) all over the package
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4 # :License: BSD-3-Clause. See LICENSE.txt for details.
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5 # :-
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6 """The unified configuration dictionary with attribute support or
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7 variable substitution.
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9 """
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10
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11 from __future__ import division, absolute_import, print_function
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12
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13
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14 __all__ = ["Configuration"]
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15
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16
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17 import warnings
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18 try:
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19 from collections import OrderedDict as ConfigurationBase
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20 except ImportError:
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21 try:
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22 from ordereddict import OrderedDict as ConfigurationBase
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23 except ImportError:
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24 ConfigurationBase = dict
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25 try:
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26 from urllib.parse import urlsplit
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27 except ImportError:
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28 from urlparse import urlsplit
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30 from .variables import lookup_varns, lookup_filter
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31 from .compat import u, uchr, n, str_and_u, PY2
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32 from .constants import REF_NAMESPACE, NONE_FILTER, EMPTY_FILTER
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35 _MARKER = object()
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37
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94b5e94fae44 Make the AttributeDict "private" (-> "_AttributeDict")
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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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107
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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
484
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226 _EMPTY_STR = u("")
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227 _TEXTTYPE = type(_EMPTY_STR)
305
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228 _STARTTOK = u(b"{{")
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229 _ENDTOK = u(b"}}")
314
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230 _HIER_SEPARATOR = u(b'.')
305
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231 _NS_SEPARATOR = u(b':')
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232 _FILTER_SEPARATOR = u(b'|')
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233 _STARTTOK_REF = _STARTTOK + REF_NAMESPACE + _NS_SEPARATOR
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234 _ENDTOK_REF = _ENDTOK
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235 _DOT = u(b'.')
320
98490375d90c Allow variable name quoting to be used in .getvar() and .getvar_s() and references
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236 _QUOTE = u(b'%')
478
ff8a9a7c6a93 Avoid some repeated string/unicode conversions for constants used by quoting
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parents: 477
diff changeset
237 _QUOTE_x = u(b'x')
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parents: 477
diff changeset
238 _QUOTE_u = u(b'u')
ff8a9a7c6a93 Avoid some repeated string/unicode conversions for constants used by quoting
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parents: 477
diff changeset
239 _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
240 _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
241 _QUOTE_MAP = {
38e4be1882e3 Optimize .quote() by using str.translate() instead of repeatedly calling str.replace()
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parents: 482
diff changeset
242 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
243 0x2e: u(b'%x2e'), # _DOT
38e4be1882e3 Optimize .quote() by using str.translate() instead of repeatedly calling str.replace()
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parents: 482
diff changeset
244 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
245 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
246 0x7c: u(b'%x7c'), # _FILTER_SEPARATOR
38e4be1882e3 Optimize .quote() by using str.translate() instead of repeatedly calling str.replace()
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parents: 482
diff changeset
247 0x22: u(b'%x22'),
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parents: 482
diff changeset
248 0x27: u(b'%x27'),
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parents: 482
diff changeset
249 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
250 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
251 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
252 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
253 }
481
e3990ec55f2a Use a quick-check for .quote() if no quoting is needed
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parents: 480
diff changeset
254 _QUOTE_SAFE = u(b'abcdefghijklmnopqrstuvwxyz'
e3990ec55f2a Use a quick-check for .quote() if no quoting is needed
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parents: 480
diff changeset
255 b'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
e3990ec55f2a Use a quick-check for .quote() if no quoting is needed
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parents: 480
diff changeset
256 b'0123456789'
483
38e4be1882e3 Optimize .quote() by using str.translate() instead of repeatedly calling str.replace()
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parents: 482
diff changeset
257 b'-_@!$&/\\()=?*+~;,<>^')
481
e3990ec55f2a Use a quick-check for .quote() if no quoting is needed
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parents: 480
diff changeset
258 """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
259
e3990ec55f2a Use a quick-check for .quote() if no quoting is needed
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diff changeset
260 """
305
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
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parents: 304
diff changeset
261
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
262 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
263 """Flag to show that this is not a jail for another configuration"""
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parents: 400
diff changeset
264
437
bbc5b64e137a - Dict-level access to a configuration key now does variable interpolation.
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parents: 432
diff changeset
265 def __getitem__(self, key):
469
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parents: 468
diff changeset
266 """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
267
bbc5b64e137a - Dict-level access to a configuration key now does variable interpolation.
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parents: 432
diff changeset
268 """
bbc5b64e137a - Dict-level access to a configuration key now does variable interpolation.
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diff changeset
269 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
270 return self.getvarl_s(*key)
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parents: 432
diff changeset
271 else:
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diff changeset
272 return self.getvarl_s(key)
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parents: 432
diff changeset
273
442
94cf5a8722d6 Add proper .get() support for jailed and unjailed configurations
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parents: 441
diff changeset
274 def get(self, key, default=None):
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diff changeset
275 """Mapping interface that forwards to :meth:`~.getvarl_s`
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parents: 441
diff changeset
276
94cf5a8722d6 Add proper .get() support for jailed and unjailed configurations
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diff changeset
277 """
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diff changeset
278 if isinstance(key, (tuple, list)):
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diff changeset
279 return self.getvarl_s(*key, default=default)
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diff changeset
280 else:
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diff changeset
281 return self.getvarl_s(key, default=default)
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parents: 441
diff changeset
282
439
bd27da55483a Optimized __contains__() implementation for jailed and unjailed configurations
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diff changeset
283 def __contains__(self, key):
469
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diff changeset
284 """Containment test"""
439
bd27da55483a Optimized __contains__() implementation for jailed and unjailed configurations
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parents: 438
diff changeset
285 if isinstance(key, (tuple, list)):
bd27da55483a Optimized __contains__() implementation for jailed and unjailed configurations
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diff changeset
286 # No namespace and quoting support here
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diff changeset
287 try:
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diff changeset
288 self._lookupvar(*key)
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diff changeset
289 except KeyError:
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diff changeset
290 return False
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parents: 438
diff changeset
291 else:
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diff changeset
292 return True
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diff changeset
293 else:
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diff changeset
294 return super(Configuration, self).__contains__(key)
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diff changeset
295
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
296 def getitem_ns(self, key):
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diff changeset
297 """Just forward to the *original* :meth:`dict.__getitem__`.
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parents: 442
diff changeset
298
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
299 No variable interpolation and key path access.
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parents: 442
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 """
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
302 return super(Configuration, self).__getitem__(key)
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parents: 442
diff changeset
303
382
24db29162d09 Renamed "names" arguments into the more proper "path"
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parents: 381
diff changeset
304 def getvarl(self, *path, **kwds):
24db29162d09 Renamed "names" arguments into the more proper "path"
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parents: 381
diff changeset
305 """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
306 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
307
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
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parents: 311
diff changeset
308 No variable interpolation is done and no filters are applied.
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
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parents: 311
diff changeset
309
382
24db29162d09 Renamed "names" arguments into the more proper "path"
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parents: 381
diff changeset
310 Quoting of `path` and `namespace` is *not* needed and wrong.
333
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
311
314
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
312 """
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
313 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
314 namespace = kwds.pop("namespace", None)
314
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
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parents: 311
diff changeset
315 try:
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
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parents: 311
diff changeset
316 if not namespace:
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
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parents: 311
diff changeset
317 lookupfn = self._lookupvar
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
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parents: 311
diff changeset
318 else:
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
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parents: 311
diff changeset
319 if namespace == REF_NAMESPACE:
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
320 lookupfn = self._lookupref
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
321 else:
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
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parents: 311
diff changeset
322 lookupfn = lookup_varns(namespace)
382
24db29162d09 Renamed "names" arguments into the more proper "path"
Franz Glasner <fzglas.hg@dom66.de>
parents: 381
diff changeset
323 varvalue = lookupfn(*path)
314
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
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parents: 311
diff changeset
324 except KeyError:
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
325 if default is _MARKER:
382
24db29162d09 Renamed "names" arguments into the more proper "path"
Franz Glasner <fzglas.hg@dom66.de>
parents: 381
diff changeset
326 raise KeyError("Variable %r not found" % (path,))
314
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
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parents: 311
diff changeset
327 else:
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
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parents: 311
diff changeset
328 return default
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
329 else:
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
330 return varvalue
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
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parents: 311
diff changeset
331
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
332 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
333 """Yield the keys of a variable value.
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parents: 417
diff changeset
334
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
335 :rtype: A generator
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parents: 417
diff changeset
336 :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
337
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 .. 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
339
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
340 """
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parents: 417
diff changeset
341 if "default" in kwds:
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parents: 417
diff changeset
342 raise TypeError("got unexpected keyword argument: default")
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parents: 417
diff changeset
343 for k in self.getvarl(*path, **kwds).keys():
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parents: 417
diff changeset
344 yield k
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parents: 417
diff changeset
345
381
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
346 def getfirstvarl(self, *paths, **kwds):
385
4beeb291926d First documentation of getfirstvarl()
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parents: 384
diff changeset
347 """A variant of :meth:`~.getvarl` that returns the first found
4beeb291926d First documentation of getfirstvarl()
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parents: 384
diff changeset
348 variable in the `paths` list.
4beeb291926d First documentation of getfirstvarl()
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parents: 384
diff changeset
349
4beeb291926d First documentation of getfirstvarl()
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parents: 384
diff changeset
350 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
351 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
352 and "path".
4beeb291926d First documentation of getfirstvarl()
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parents: 384
diff changeset
353 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
354 to be `None`.
4beeb291926d First documentation of getfirstvarl()
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parents: 384
diff changeset
355
389
Franz Glasner <fzglas.hg@dom66.de>
parents: 388
diff changeset
356 Note that a caller that wants to use variables from a non-default
Franz Glasner <fzglas.hg@dom66.de>
parents: 388
diff changeset
357 namespace must use a sequence of dicts.
Franz Glasner <fzglas.hg@dom66.de>
parents: 388
diff changeset
358
385
4beeb291926d First documentation of getfirstvarl()
Franz Glasner <fzglas.hg@dom66.de>
parents: 384
diff changeset
359 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
360
4beeb291926d First documentation of getfirstvarl()
Franz Glasner <fzglas.hg@dom66.de>
parents: 384
diff changeset
361 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
362
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
363 """
381
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
364 default = kwds.pop("default", _MARKER)
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
365 for path in paths:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
366 if isinstance(path, (list, tuple)):
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
367 try:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
368 varvalue = self.getvarl(*path)
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
369 except KeyError:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
370 pass
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
371 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
372 return varvalue
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
373 elif isinstance(path, dict):
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
374 try:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
375 namespace = path["namespace"]
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
376 p = path["path"]
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
377 except KeyError:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
378 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
379 " and a `namespace' key")
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
380 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
381 try:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
382 varvalue = self.getvarl(*p, namespace=namespace)
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
383 except KeyError:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
384 pass
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
385 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
386 return varvalue
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
387 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
388 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
389 if default is _MARKER:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
390 raise KeyError(
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
391 "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
392 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
393 return default
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
394
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
395 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
396 """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
397 variables from other namespaces.
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
398
202
2e66178a09d8 Docu: Ban "keyword expansion" -- use "variable interpolation" instead
Franz Glasner <fzglas.hg@dom66.de>
parents: 156
diff changeset
399 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
400
333
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
401 Special characters (e.g. ``:`` and ``.``) must be quoted when using
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
402 the default namespace.
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
403
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
404 See also :meth:`~.quote`.
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
405
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
406 """
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
407 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
408 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
409 if varname:
079a82129110 Allow the empty variable name to retrieve the root configuration object
Franz Glasner <fzglas.hg@dom66.de>
parents: 418
diff changeset
410 varnameparts = [
079a82129110 Allow the empty variable name to retrieve the root configuration object
Franz Glasner <fzglas.hg@dom66.de>
parents: 418
diff changeset
411 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
412 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
413 ]
079a82129110 Allow the empty variable name to retrieve the root configuration object
Franz Glasner <fzglas.hg@dom66.de>
parents: 418
diff changeset
414 else:
079a82129110 Allow the empty variable name to retrieve the root configuration object
Franz Glasner <fzglas.hg@dom66.de>
parents: 418
diff changeset
415 varnameparts = tuple()
314
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
416 else:
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
417 varnameparts = (varname,)
364
1941f0188e81 FIX: Handle a "default" keyword parameter in ".getvar()" properly.
Franz Glasner <fzglas.hg@dom66.de>
parents: 357
diff changeset
418 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
419
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
420 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
421 """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
422
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 :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
424 :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
425
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 .. 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
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 """
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 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
430 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
431
368
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
432 def getfirstvar(self, *varnames, **kwds):
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
433 """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
434 in the list of given variables in `varnames`.
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 """
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
437 default = kwds.pop("default", _MARKER)
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
438 for varname in varnames:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
439 try:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
440 varvalue = self.getvar(varname)
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
441 except KeyError:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
442 pass
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
443 else:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
444 return varvalue
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
445 if default is _MARKER:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
446 raise KeyError(
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
447 "none of the given variables found: %r" % (varnames,))
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
448 else:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
449 return default
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
450
382
24db29162d09 Renamed "names" arguments into the more proper "path"
Franz Glasner <fzglas.hg@dom66.de>
parents: 381
diff changeset
451 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
452 """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
453
382
24db29162d09 Renamed "names" arguments into the more proper "path"
Franz Glasner <fzglas.hg@dom66.de>
parents: 381
diff changeset
454 `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
455 :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
456 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
457 applied.
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
458
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
459 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
460
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
461 """
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
462 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
463 namespace = kwds.pop("namespace", None)
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
464 try:
382
24db29162d09 Renamed "names" arguments into the more proper "path"
Franz Glasner <fzglas.hg@dom66.de>
parents: 381
diff changeset
465 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
466 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
467 except KeyError:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
468 if default is _MARKER:
314
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
469 raise
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
470 else:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
471 return default
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
472
381
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
473 def getfirstvarl_s(self, *paths, **kwds):
388
13427f37abab Docs: document Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 385
diff changeset
474 """A variant of :meth:`~.getfirstvarl` that does variable
13427f37abab Docs: document Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 385
diff changeset
475 interpolation.
13427f37abab Docs: document Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 385
diff changeset
476
13427f37abab Docs: document Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 385
diff changeset
477 `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
478 But variables will be interpolated
13427f37abab Docs: document Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 385
diff changeset
479 recursively within the variable values and filters are
13427f37abab Docs: document Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 385
diff changeset
480 applied.
13427f37abab Docs: document Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 385
diff changeset
481
13427f37abab Docs: document Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 385
diff changeset
482 For more details see chapter :ref:`variable-interpolation`.
13427f37abab Docs: document Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 385
diff changeset
483
13427f37abab Docs: document Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 385
diff changeset
484 """
381
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
485 default = kwds.pop("default", _MARKER)
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
486 for path in paths:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
487 if isinstance(path, (list, tuple)):
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
488 try:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
489 obj = self.getvarl(*path)
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
490 except KeyError:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
491 pass
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
492 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
493 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
494
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
495 elif isinstance(path, dict):
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
496 try:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
497 namespace = path["namespace"]
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
498 p = path["path"]
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
499 except KeyError:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
500 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
501 " and a `namespace' key")
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
502 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
503 try:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
504 obj = self.getvarl(*p, namespace=namespace)
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
505 except KeyError:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
506 pass
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
507 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
508 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
509 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
510 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
511 if default is _MARKER:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
512 raise KeyError(
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
513 "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
514 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
515 return default
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
516
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
517 def getvar_s(self, varname, default=_MARKER):
24
fa65adab0b71 FIX: Typo in comment
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 23
diff changeset
518 """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
519
115
a5339d39af5c Begin the documentation of variables and its expansion
Franz Glasner <hg@dom66.de>
parents: 104
diff changeset
520 `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
521 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
522 and filters are applied.
115
a5339d39af5c Begin the documentation of variables and its expansion
Franz Glasner <hg@dom66.de>
parents: 104
diff changeset
523
202
2e66178a09d8 Docu: Ban "keyword expansion" -- use "variable interpolation" instead
Franz Glasner <fzglas.hg@dom66.de>
parents: 156
diff changeset
524 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
525
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
526 """
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
527 try:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
528 obj = self.getvar(varname)
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
529 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
530 except KeyError:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
531 if default is _MARKER:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
532 raise
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
533 else:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
534 return default
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
535
368
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
536 def getfirstvar_s(self, *varnames, **kwds):
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
537 """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
538 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
539
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
540 """
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
541 default = kwds.pop("default", _MARKER)
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
542 for varname in varnames:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
543 try:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
544 obj = self.getvar(varname)
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
545 except KeyError:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
546 pass
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
547 else:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
548 return self.substitute_variables_in_obj(obj)
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
549 if default is _MARKER:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
550 raise KeyError(
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
551 "none of the given variables found: %r" % (varnames,))
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
552 else:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
553 return default
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
554
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
555 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
556 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
557 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
558 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
559 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
560 return (None, ns)
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
561
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
562 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
563 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
564 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
565 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
566 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
567 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
568 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
569 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
570 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
571 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
572 return (name, [])
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
573
489
b49164db1273 Remove unused keyword params for ._lookupvar().
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 488
diff changeset
574 def _lookupvar(self, *path):
314
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
575 """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
576
489
b49164db1273 Remove unused keyword params for ._lookupvar().
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 488
diff changeset
577 :raise KeyError: An unexisting `path` raises a `KeyError`
b49164db1273 Remove unused keyword params for ._lookupvar().
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 488
diff changeset
578
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
579 """
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 return v
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
592
305
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
593 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
594 """
311
Franz Glasner <fzglas.hg@dom66.de>
parents: 310
diff changeset
595
Franz Glasner <fzglas.hg@dom66.de>
parents: 310
diff changeset
596 `key` must be a configuration reference URI without any
Franz Glasner <fzglas.hg@dom66.de>
parents: 310
diff changeset
597 (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
598
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
599 """
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
600 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
601
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
602 def expand_if_reference(self, v, default=_MARKER):
311
Franz Glasner <fzglas.hg@dom66.de>
parents: 310
diff changeset
603 """Check whether `v` is a configuration reference and -- if true --
Franz Glasner <fzglas.hg@dom66.de>
parents: 310
diff changeset
604 then expand it.
305
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
605
310
801cd16223e4 FIX: Docu
Franz Glasner <fzglas.hg@dom66.de>
parents: 305
diff changeset
606 `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
607
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
608 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
609 unchanged.
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
610
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
611 """
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
612 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
613 return v
488
298510ec8171 Simplify logic by not using many negations
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 487
diff changeset
614 if v.startswith(self._STARTTOK_REF) and v.endswith(self._ENDTOK_REF):
298510ec8171 Simplify logic by not using many negations
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 487
diff changeset
615 return self.expand_ref_uri(
298510ec8171 Simplify logic by not using many negations
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 487
diff changeset
616 v[len(self._STARTTOK_REF):-len(self._ENDTOK_REF)],
298510ec8171 Simplify logic by not using many negations
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 487
diff changeset
617 default=default)
298510ec8171 Simplify logic by not using many negations
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 487
diff changeset
618 else:
305
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
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
621 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
622 pu = urlsplit(uri)
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
623 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
624 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
625 if not pu.fragment:
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
626 return self
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
627 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
628 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
629 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
630
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
631 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
632 """Recursively expand variables in the object tree `obj`."""
491
de776953337b Remove repeated type(obj) calls
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 490
diff changeset
633 ty = type(obj)
de776953337b Remove repeated type(obj) calls
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 490
diff changeset
634 if issubclass(ty, self._TEXTTYPE):
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
635 # a string - really replace the value
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
636 return self.expand_variable(obj)
491
de776953337b Remove repeated type(obj) calls
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 490
diff changeset
637 elif issubclass(ty, dict):
de776953337b Remove repeated type(obj) calls
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 490
diff changeset
638 newdict = ty()
490
ea4b7fac02d6 Reorder type comparisons by usage
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 489
diff changeset
639 for k in obj:
ea4b7fac02d6 Reorder type comparisons by usage
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 489
diff changeset
640 newdict[k] = self.substitute_variables_in_obj(obj[k])
ea4b7fac02d6 Reorder type comparisons by usage
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 489
diff changeset
641 return newdict
491
de776953337b Remove repeated type(obj) calls
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 490
diff changeset
642 elif issubclass(ty, list):
16
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]
491
de776953337b Remove repeated type(obj) calls
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 490
diff changeset
644 elif issubclass(ty, tuple):
16
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]
491
de776953337b Remove repeated type(obj) calls
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 490
diff changeset
646 return ty(tmp)
de776953337b Remove repeated type(obj) calls
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 490
diff changeset
647 elif issubclass(ty, set):
de776953337b Remove repeated type(obj) calls
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 490
diff changeset
648 newset = ty()
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
649 for i in obj:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
650 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
651 else:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
652 return obj
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
653
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
654 def expand_variable(self, s):
302
Franz Glasner <fzglas.hg@dom66.de>
parents: 296
diff changeset
655 """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
656 start = s.find(self._STARTTOK, 0)
484
0259bd521729 Avoid repeaded string concatenations in .expand_variable(): use a list of string parts and proper indexes into the source string
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 483
diff changeset
657 if start < 0:
0259bd521729 Avoid repeaded string concatenations in .expand_variable(): use a list of string parts and proper indexes into the source string
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 483
diff changeset
658 return s
0259bd521729 Avoid repeaded string concatenations in .expand_variable(): use a list of string parts and proper indexes into the source string
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 483
diff changeset
659 res = []
0259bd521729 Avoid repeaded string concatenations in .expand_variable(): use a list of string parts and proper indexes into the source string
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 483
diff changeset
660 res_append = res.append
0259bd521729 Avoid repeaded string concatenations in .expand_variable(): use a list of string parts and proper indexes into the source string
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 483
diff changeset
661 rest = 0
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
662 while start != -1:
484
0259bd521729 Avoid repeaded string concatenations in .expand_variable(): use a list of string parts and proper indexes into the source string
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 483
diff changeset
663 res_append(s[rest:start])
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
664 end = s.find(self._ENDTOK, start)
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
665 if end < 0:
484
0259bd521729 Avoid repeaded string concatenations in .expand_variable(): use a list of string parts and proper indexes into the source string
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 483
diff changeset
666 rest = start
0259bd521729 Avoid repeaded string concatenations in .expand_variable(): use a list of string parts and proper indexes into the source string
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 483
diff changeset
667 break
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
668 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
669 try:
357
dd454e1efea4 Use constants for the names of the "None" and "Empty" filters
Franz Glasner <fzglas.hg@dom66.de>
parents: 352
diff changeset
670 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
671 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
672 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
673 elif EMPTY_FILTER in filters:
352
2b209bdf6995 Implement the "Empty" filter.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 350
diff changeset
674 varvalue = self._apply_filters(
484
0259bd521729 Avoid repeaded string concatenations in .expand_variable(): use a list of string parts and proper indexes into the source string
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 483
diff changeset
675 filters, self.getvar_s(varname,
0259bd521729 Avoid repeaded string concatenations in .expand_variable(): use a list of string parts and proper indexes into the source string
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 483
diff changeset
676 default=self._EMPTY_STR))
349
83f76a41cf7c Implement a special filter named "None" that suppresses "KeyErrors" from interpolation lookups and returns a Python "None" instead
Franz Glasner <fzglas.hg@dom66.de>
parents: 334
diff changeset
677 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
678 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
679 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
680 except KeyError:
8715e5cc59ac Print a warning if a variable cannot be expanded.
Franz Glasner <hg@dom66.de>
parents: 36
diff changeset
681 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
682 "%r" % (varname, s, ),
8715e5cc59ac Print a warning if a variable cannot be expanded.
Franz Glasner <hg@dom66.de>
parents: 36
diff changeset
683 UserWarning,
8715e5cc59ac Print a warning if a variable cannot be expanded.
Franz Glasner <hg@dom66.de>
parents: 36
diff changeset
684 stacklevel=1)
8715e5cc59ac Print a warning if a variable cannot be expanded.
Franz Glasner <hg@dom66.de>
parents: 36
diff changeset
685 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
686 #
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
687 # 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
688 # 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
689 #
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
690 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
691 return varvalue
484
0259bd521729 Avoid repeaded string concatenations in .expand_variable(): use a list of string parts and proper indexes into the source string
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 483
diff changeset
692 if not varvalue:
0259bd521729 Avoid repeaded string concatenations in .expand_variable(): use a list of string parts and proper indexes into the source string
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 483
diff changeset
693 # None and/or empty str are handled equally here
0259bd521729 Avoid repeaded string concatenations in .expand_variable(): use a list of string parts and proper indexes into the source string
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 483
diff changeset
694 pass
0259bd521729 Avoid repeaded string concatenations in .expand_variable(): use a list of string parts and proper indexes into the source string
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 483
diff changeset
695 else:
487
d7f6f2afcee2 Instead of using u(str(v)) use specialized functions for PY2 and PY3
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 485
diff changeset
696 res_append(str_and_u(varvalue))
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
697 # don't re-evaluate because `self.getvar_s()` expands already
484
0259bd521729 Avoid repeaded string concatenations in .expand_variable(): use a list of string parts and proper indexes into the source string
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 483
diff changeset
698 rest = end + 2
0259bd521729 Avoid repeaded string concatenations in .expand_variable(): use a list of string parts and proper indexes into the source string
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 483
diff changeset
699 start = s.find(self._STARTTOK, rest)
0259bd521729 Avoid repeaded string concatenations in .expand_variable(): use a list of string parts and proper indexes into the source string
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 483
diff changeset
700 res_append(s[rest:])
0259bd521729 Avoid repeaded string concatenations in .expand_variable(): use a list of string parts and proper indexes into the source string
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 483
diff changeset
701 return self._EMPTY_STR.join(res)
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
702
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
703 def _apply_filters(self, filters, value):
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
704 for name in filters:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
705 try:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
706 filterfn = lookup_filter(name)
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
707 except KeyError:
40
8d66aef2f7fb Comment about exceptions when filters are missing.
Franz Glasner <hg@dom66.de>
parents: 39
diff changeset
708 #
8d66aef2f7fb Comment about exceptions when filters are missing.
Franz Glasner <hg@dom66.de>
parents: 39
diff changeset
709 # 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
710 # a very serious error.
8d66aef2f7fb Comment about exceptions when filters are missing.
Franz Glasner <hg@dom66.de>
parents: 39
diff changeset
711 #
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
712 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
713 else:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
714 value = filterfn(self, value)
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
715 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
716
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
717 @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
718 def quote(klass, s):
333
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
719 """Replace important special characters in string `s` by replacing
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
720 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
721 characters unicode codepoint value.
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
722
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
723 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
724 ``#``; ``'``, ``"``, ``|``, ``{``, ``}``, ``[`` and ``]``.
333
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
725
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
726 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
727
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
728 """
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
729 # 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
730 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
731 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
732
481
e3990ec55f2a Use a quick-check for .quote() if no quoting is needed
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 480
diff changeset
733 # 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
734 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
735 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
736 # 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
737 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
738 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
739 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
740 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
741 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
742 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
743 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
744 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
745
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 @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
747 def unquote(klass, s):
333
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
748 """Unquote the content of `s`: handle all patterns ``%xNN``,
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
749 ``%uNNNN`` or ``%UNNNNNNNN``.
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
750
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
751 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
752
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 """
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
754 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
755 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
756 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
757 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
758 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
759 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
760 try:
490f0c4665bb Optimize .unquote(): instead of doing string comparisone do this with characters
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 478
diff changeset
761 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
762 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
763 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
764 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
765 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
766 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
767 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
768 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
769 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
770 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
771 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
772 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
773 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
774 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
775 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
776 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
777 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
778 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
779 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
780 raise ValueError("unknown quote syntax string: {}".format(s))
485
008b35666a43 Use the new contant _EMPTY_STR where appropriate
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 484
diff changeset
781 return klass._EMPTY_STR.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
782
411
3c95faa91dad Optimize the creation of a jailed config.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 406
diff changeset
783 def jailed(self, rootpath=None, root=None, bind_root=True):
399
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
784 """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
785
399
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
786 :param rootpath: a sequence of strings that shall emcompass
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
787 the chroot-like jail of the returned
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
788 configuration
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
789 :type rootpath: list or tuple
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
790 :param str root: a string path expression that shall encompass
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
791 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
792 :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
793 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
794 `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
795 the default
397
Franz Glasner <fzglas.hg@dom66.de>
parents: 396
diff changeset
796 :return: a jailed (aka restricted) configuration
Franz Glasner <fzglas.hg@dom66.de>
parents: 396
diff changeset
797 :rtype: _JailedConfiguration
Franz Glasner <fzglas.hg@dom66.de>
parents: 396
diff changeset
798
399
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
799 Exactly one of `rootpath` or `root` must be given.
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
800
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
801 """
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 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
803 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
804 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
805 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
806 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
807 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
808 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
809 # 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
810 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
811 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
812 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
813 "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
814 if varname:
2abde0d3c735 FIX: Handle .jailed() with an empty "root" properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 412
diff changeset
815 rootpath = [
2abde0d3c735 FIX: Handle .jailed() with an empty "root" properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 412
diff changeset
816 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
817 self._HIER_SEPARATOR)
2abde0d3c735 FIX: Handle .jailed() with an empty "root" properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 412
diff changeset
818 ]
2abde0d3c735 FIX: Handle .jailed() with an empty "root" properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 412
diff changeset
819 else:
2abde0d3c735 FIX: Handle .jailed() with an empty "root" properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 412
diff changeset
820 rootpath = tuple()
411
3c95faa91dad Optimize the creation of a jailed config.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 406
diff changeset
821 jc = _JailedConfiguration(*rootpath)
3c95faa91dad Optimize the creation of a jailed config.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 406
diff changeset
822 if bind_root:
3c95faa91dad Optimize the creation of a jailed config.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 406
diff changeset
823 jc.rebind(self)
3c95faa91dad Optimize the creation of a jailed config.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 406
diff changeset
824 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
825
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
826
412
816327e178b0 Provide coercing methods for the jailed configuration: getintXXX(), getboolXXX(), getfloatXXX() and friends.
Franz Glasner <fzglas.hg@dom66.de>
parents: 411
diff changeset
827 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
828
397
Franz Glasner <fzglas.hg@dom66.de>
parents: 396
diff changeset
829 """A jailed and restricted variant of :class:`Configuration`.
Franz Glasner <fzglas.hg@dom66.de>
parents: 396
diff changeset
830
399
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
831 Restriction is two-fold:
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
832
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
833 - The access to configuration variables in `config` is restricted
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
834 to the configuration sub-tree that is configured in `path`.
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
835
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
836 - Not all access-methods of :class:`Configuration` are implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
837 yet.
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
838
400
Franz Glasner <fzglas.hg@dom66.de>
parents: 399
diff changeset
839 .. seealso:: :ref:`jailed-configuration`
Franz Glasner <fzglas.hg@dom66.de>
parents: 399
diff changeset
840
399
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
841 .. note:: There is no namespace support.
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
842
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
843 .. note:: Do not call the constructor directly. Instantiate a jailed
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
844 configuration from the parent configuration's
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
845 :meth:`~.Configuration.jailed` factory method.
397
Franz Glasner <fzglas.hg@dom66.de>
parents: 396
diff changeset
846
Franz Glasner <fzglas.hg@dom66.de>
parents: 396
diff changeset
847 """
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
848
396
Franz Glasner <fzglas.hg@dom66.de>
parents: 395
diff changeset
849 __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
850
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
851 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
852 """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
853
411
3c95faa91dad Optimize the creation of a jailed config.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 406
diff changeset
854 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
855 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
856 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
857 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
858 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
859 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
860 [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
861 + 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
862 else:
485
008b35666a43 Use the new contant _EMPTY_STR where appropriate
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 484
diff changeset
863 self._pathstr = Configuration._EMPTY_STR
405
af367e1d0950 Allow to rebind a jailed configuration to another "similar" base
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 404
diff changeset
864
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
865 @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
866 def base(self):
426
84d4f82ffe59 Docs: more on jails and sub-jails
Franz Glasner <fzglas.hg@dom66.de>
parents: 419
diff changeset
867 """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
868
84d4f82ffe59 Docs: more on jails and sub-jails
Franz Glasner <fzglas.hg@dom66.de>
parents: 419
diff changeset
869 This configuration is always unjailed.
84d4f82ffe59 Docs: more on jails and sub-jails
Franz Glasner <fzglas.hg@dom66.de>
parents: 419
diff changeset
870
84d4f82ffe59 Docs: more on jails and sub-jails
Franz Glasner <fzglas.hg@dom66.de>
parents: 419
diff changeset
871 """
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
872 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
873
405
af367e1d0950 Allow to rebind a jailed configuration to another "similar" base
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 404
diff changeset
874 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
875 """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
876
af367e1d0950 Allow to rebind a jailed configuration to another "similar" base
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 404
diff changeset
877 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
878 the root.
af367e1d0950 Allow to rebind a jailed configuration to another "similar" base
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 404
diff changeset
879
af367e1d0950 Allow to rebind a jailed configuration to another "similar" base
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 404
diff changeset
880 :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
881
af367e1d0950 Allow to rebind a jailed configuration to another "similar" base
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 404
diff changeset
882 """
af367e1d0950 Allow to rebind a jailed configuration to another "similar" base
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 404
diff changeset
883 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
884 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
885 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
886 #
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
887 # 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
888 # 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
889 #
449
5864977bb44f FIX: KeyError formatting.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 448
diff changeset
890 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
891 raise KeyError(
5864977bb44f FIX: KeyError formatting.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 448
diff changeset
892 "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
893 % (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
894
448
b95c12781497 Attribute-style access for jailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 443
diff changeset
895 def __getattr__(self, name):
469
Franz Glasner <fzglas.hg@dom66.de>
parents: 468
diff changeset
896 """Attribute-style access.
Franz Glasner <fzglas.hg@dom66.de>
parents: 468
diff changeset
897
Franz Glasner <fzglas.hg@dom66.de>
parents: 468
diff changeset
898 Result values are interpolated (i.e. forwarded to
Franz Glasner <fzglas.hg@dom66.de>
parents: 468
diff changeset
899 :meth:`~.getvarl_s`)
Franz Glasner <fzglas.hg@dom66.de>
parents: 468
diff changeset
900
Franz Glasner <fzglas.hg@dom66.de>
parents: 468
diff changeset
901 """
448
b95c12781497 Attribute-style access for jailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 443
diff changeset
902 try:
b95c12781497 Attribute-style access for jailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 443
diff changeset
903 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
904 except KeyError:
b95c12781497 Attribute-style access for jailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 443
diff changeset
905 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
906 else:
b95c12781497 Attribute-style access for jailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 443
diff changeset
907 # 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
908 if isinstance(v, dict):
b95c12781497 Attribute-style access for jailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 443
diff changeset
909 return _AttributeDict(v)
b95c12781497 Attribute-style access for jailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 443
diff changeset
910 else:
b95c12781497 Attribute-style access for jailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 443
diff changeset
911 return v
b95c12781497 Attribute-style access for jailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 443
diff changeset
912
437
bbc5b64e137a - Dict-level access to a configuration key now does variable interpolation.
Franz Glasner <fzglas.hg@dom66.de>
parents: 432
diff changeset
913 def __getitem__(self, key):
469
Franz Glasner <fzglas.hg@dom66.de>
parents: 468
diff changeset
914 """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
915
bbc5b64e137a - Dict-level access to a configuration key now does variable interpolation.
Franz Glasner <fzglas.hg@dom66.de>
parents: 432
diff changeset
916 """
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
917 if isinstance(key, tuple):
440
f297c23f78f0 Optimize __getitem__() in jailed configurations: call base directly
Franz Glasner <fzglas.hg@dom66.de>
parents: 439
diff changeset
918 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
919 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
920 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
921 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
922 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
923
442
94cf5a8722d6 Add proper .get() support for jailed and unjailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 441
diff changeset
924 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
925 if isinstance(key, tuple):
94cf5a8722d6 Add proper .get() support for jailed and unjailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 441
diff changeset
926 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
927 elif isinstance(key, list):
94cf5a8722d6 Add proper .get() support for jailed and unjailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 441
diff changeset
928 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
929 else:
94cf5a8722d6 Add proper .get() support for jailed and unjailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 441
diff changeset
930 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
931
439
bd27da55483a Optimized __contains__() implementation for jailed and unjailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 438
diff changeset
932 def __contains__(self, key):
469
Franz Glasner <fzglas.hg@dom66.de>
parents: 468
diff changeset
933 """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
934 if isinstance(key, tuple):
439
bd27da55483a Optimized __contains__() implementation for jailed and unjailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 438
diff changeset
935 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
936 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
937 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
938 else:
bd27da55483a Optimized __contains__() implementation for jailed and unjailed configurations
Franz Glasner <fzglas.hg@dom66.de>
parents: 438
diff changeset
939 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
940
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
941 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
942 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
943
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
944 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
945 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
946 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
947
398
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
948 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
949 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
950 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
951 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
952 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
953 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
954 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
955 "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
956 else:
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
957 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
958 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
959
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
960 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
961 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
962
398
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
963 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
964 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
965 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
966 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
967 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
968 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
969 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
970 "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
971 else:
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
972 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
973 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
974
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
975 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
976 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
977
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
978 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
979 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
980 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
981
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 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
983 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
984 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
985
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
986 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
987 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
988
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
989 def getfirstvar_s(self, *varnames, **kwds):
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990 real_varnames = [self._pathstr + vn for vn in varnames]
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991 return self._base.getfirstvar_s(*real_varnames, **kwds)
417
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992
459
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993 def __iter__(self):
469
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994 """Iteration support for containers"""
459
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995 return iter(self._base.getvarl_s(*self._path))
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996
467
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997 def __len__(self):
469
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998 """Length support for containers"""
467
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999 return len(self._base.getvarl(*self._path))
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1000
460
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1001 if PY2:
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1002
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1003 def __nonzero__(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
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1007 else:
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1008
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1009 def __bool__(self):
469
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1010 """Map- and list-style evaluation in boolean context"""
460
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1011 return bool(self._base.getvarl_s(*self._path))
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1012
417
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1013 def jailed(self, rootpath=None, root=None, bind_root=True):
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1014 """Return a "jailed" configuration that effectively is a
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diff changeset
1015 subjail of the current jail
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1016
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diff changeset
1017 For a more complete description see :meth:`.Configuration.jailed`.
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1018
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1019 """
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1020 if rootpath is not None and root is not None:
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1021 raise ValueError("only one of `rootpath' or `root' can be given")
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1022 if rootpath is None and root is None:
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1023 raise ValueError("one of `rootpath' or `root' must be given")
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1024 if rootpath is not None and not isinstance(rootpath, (list, tuple)):
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1025 raise TypeError("`rootpath' must be a list or a tuple")
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1026 if root is not None:
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1027 # convert to path
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1028 varns, varname = self._base._split_ns(root)
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diff changeset
1029 if varns:
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diff changeset
1030 raise ValueError(
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diff changeset
1031 "sub-jails do not support namespaces")
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diff changeset
1032 if varname:
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1033 rootpath = [
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1034 self._base.unquote(p) for p in varname.split(
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diff changeset
1035 self._base._HIER_SEPARATOR)
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1036 ]
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1037 else:
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1038 rootpath = tuple()
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diff changeset
1039 if self._path:
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1040 new_rootpath = self._path + tuple(rootpath)
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diff changeset
1041 else:
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diff changeset
1042 new_rootpath = rootpath
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diff changeset
1043 sjc = _JailedConfiguration(*new_rootpath)
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diff changeset
1044 if bind_root:
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diff changeset
1045 sjc.rebind(self._base)
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diff changeset
1046 return sjc
432
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diff changeset
1047
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diff changeset
1048 def __repr__(self):
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diff changeset
1049 r = "_JailedConfiguration(rootpath=%s)" % n(repr(self._path))
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diff changeset
1050 return r