Mercurial > hgrepos > Python > libs > ConfigMix

annotate configmix/config.py @ 409:2fc2e0bd0a56 v0.17b2

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
+++++ v0.17b2
author Franz Glasner <f.glasner@feldmann-mg.com>
date Fri, 19 Nov 2021 13:37:23 +0100
parents 5286df5aeefe
children 3c95faa91dad
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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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8
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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
39
8715e5cc59ac Print a warning if a variable cannot be expanded.
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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
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32 from .constants import REF_NAMESPACE, NONE_FILTER, EMPTY_FILTER
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35 _MARKER = object()
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37
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38 class _AttributeDict(ConfigurationBase):
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40 def __getattr__(self, name):
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41 try:
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42 v = self[name]
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43 except KeyError:
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44 raise AttributeError("%s has no attribute %r" % (type(self), name))
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45 else:
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46 # Wrap a dict into another dict with attribute access support
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47 if isinstance(v, dict):
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48 return _AttributeDict(v)
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49 else:
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50 return v
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53 class Configuration(_AttributeDict):
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55 """The configuration dictionary with attribute support or
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56 variable substitution.
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57
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58 .. note:: When retrieving by attribute names variables will *not*
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59 substituted.
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60
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61 """
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62
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63 # Speed
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64 _TEXTTYPE = type(u(""))
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65 _STARTTOK = u(b"{{")
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66 _ENDTOK = u(b"}}")
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67 _HIER_SEPARATOR = u(b'.')
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68 _NS_SEPARATOR = u(b':')
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69 _FILTER_SEPARATOR = u(b'|')
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70 _STARTTOK_REF = _STARTTOK + REF_NAMESPACE + _NS_SEPARATOR
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71 _ENDTOK_REF = _ENDTOK
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72 _DOT = u(b'.')
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73 _QUOTE = u(b'%')
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74 _COMMENT = u(b'#')
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75
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76 is_jail = False
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77 """Flag to show that this is not a jail for another configuration"""
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78
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79 def getvarl(self, *path, **kwds):
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80 """Get a variable where the hierarchy is given in `path` as sequence
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81 and the namespace is given in the `namespace` keyword argument.
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83 No variable interpolation is done and no filters are applied.
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84
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85 Quoting of `path` and `namespace` is *not* needed and wrong.
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86
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87 """
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88 default = kwds.pop("default", _MARKER)
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89 namespace = kwds.pop("namespace", None)
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90 try:
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91 if not namespace:
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92 lookupfn = self._lookupvar
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93 else:
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94 if namespace == REF_NAMESPACE:
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95 lookupfn = self._lookupref
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96 else:
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97 lookupfn = lookup_varns(namespace)
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98 varvalue = lookupfn(*path)
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99 except KeyError:
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100 if default is _MARKER:
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101 raise KeyError("Variable %r not found" % (path,))
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102 else:
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103 return default
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104 else:
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105 return varvalue
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106
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107 def getfirstvarl(self, *paths, **kwds):
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108 """A variant of :meth:`~.getvarl` that returns the first found
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109 variable in the `paths` list.
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110
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111 Every item in `paths` is either a `tuple` or `list` or a `dict`.
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112 If the path item is a `dict` then it must have two keys "namespace"
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113 and "path".
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114 If the path item is a `list` or `tuple` then the namespace is assumed
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115 to be `None`.
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116
389
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117 Note that a caller that wants to use variables from a non-default
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118 namespace must use a sequence of dicts.
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119
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120 No variable interpolation is done and no filters are applied.
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121
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122 Quoting of anything in `paths` is *not* needed and wrong.
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123
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124 """
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125 default = kwds.pop("default", _MARKER)
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126 for path in paths:
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127 if isinstance(path, (list, tuple)):
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128 try:
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129 varvalue = self.getvarl(*path)
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130 except KeyError:
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131 pass
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132 else:
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133 return varvalue
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134 elif isinstance(path, dict):
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Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
135 try:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
136 namespace = path["namespace"]
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
137 p = path["path"]
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
138 except KeyError:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
139 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
140 " and a `namespace' key")
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
141 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
142 try:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
143 varvalue = self.getvarl(*p, namespace=namespace)
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
144 except KeyError:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
145 pass
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
146 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
147 return varvalue
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
148 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
149 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
150 if default is _MARKER:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
151 raise KeyError(
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
152 "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
153 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
154 return default
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
155
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
156 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
157 """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
158 variables from other namespaces.
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
159
202
2e66178a09d8 Docu: Ban "keyword expansion" -- use "variable interpolation" instead
Franz Glasner <fzglas.hg@dom66.de>
parents: 156
diff changeset
160 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
161
333
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
162 Special characters (e.g. ``:`` and ``.``) must be quoted when using
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
163 the default namespace.
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
164
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
165 See also :meth:`~.quote`.
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
166
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
167 """
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
168 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
169 if not varns:
396
Franz Glasner <fzglas.hg@dom66.de>
parents: 395
diff changeset
170 varnameparts = [
Franz Glasner <fzglas.hg@dom66.de>
parents: 395
diff changeset
171 self.unquote(vp) for vp in varname.split(self._HIER_SEPARATOR)
Franz Glasner <fzglas.hg@dom66.de>
parents: 395
diff changeset
172 ]
314
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
173 else:
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
174 varnameparts = (varname,)
364
1941f0188e81 FIX: Handle a "default" keyword parameter in ".getvar()" properly.
Franz Glasner <fzglas.hg@dom66.de>
parents: 357
diff changeset
175 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
176
368
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
177 def getfirstvar(self, *varnames, **kwds):
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
178 """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
179 in the list of given variables in `varnames`.
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
180
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
181 """
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
182 default = kwds.pop("default", _MARKER)
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
183 for varname in varnames:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
184 try:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
185 varvalue = self.getvar(varname)
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
186 except KeyError:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
187 pass
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
188 else:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
189 return varvalue
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
190 if default is _MARKER:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
191 raise KeyError(
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
192 "none of the given variables found: %r" % (varnames,))
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
193 else:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
194 return default
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
195
382
24db29162d09 Renamed "names" arguments into the more proper "path"
Franz Glasner <fzglas.hg@dom66.de>
parents: 381
diff changeset
196 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
197 """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
198
382
24db29162d09 Renamed "names" arguments into the more proper "path"
Franz Glasner <fzglas.hg@dom66.de>
parents: 381
diff changeset
199 `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
200 :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
201 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
202 applied.
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
203
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
204 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
205
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
206 """
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
207 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
208 namespace = kwds.pop("namespace", None)
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
209 try:
382
24db29162d09 Renamed "names" arguments into the more proper "path"
Franz Glasner <fzglas.hg@dom66.de>
parents: 381
diff changeset
210 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
211 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
212 except KeyError:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
213 if default is _MARKER:
314
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
214 raise
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
215 else:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
216 return default
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
217
381
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
218 def getfirstvarl_s(self, *paths, **kwds):
388
13427f37abab Docs: document Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 385
diff changeset
219 """A variant of :meth:`~.getfirstvarl` that does variable
13427f37abab Docs: document Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 385
diff changeset
220 interpolation.
13427f37abab Docs: document Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 385
diff changeset
221
13427f37abab Docs: document Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 385
diff changeset
222 `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
223 But variables will be interpolated
13427f37abab Docs: document Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 385
diff changeset
224 recursively within the variable values and filters are
13427f37abab Docs: document Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 385
diff changeset
225 applied.
13427f37abab Docs: document Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 385
diff changeset
226
13427f37abab Docs: document Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 385
diff changeset
227 For more details see chapter :ref:`variable-interpolation`.
13427f37abab Docs: document Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 385
diff changeset
228
13427f37abab Docs: document Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 385
diff changeset
229 """
381
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
230 default = kwds.pop("default", _MARKER)
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
231 for path in paths:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
232 if isinstance(path, (list, tuple)):
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
233 try:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
234 obj = self.getvarl(*path)
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
235 except KeyError:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
236 pass
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
237 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
238 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
239
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
240 elif isinstance(path, dict):
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
241 try:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
242 namespace = path["namespace"]
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
243 p = path["path"]
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
244 except KeyError:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
245 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
246 " and a `namespace' key")
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
247 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
248 try:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
249 obj = self.getvarl(*p, namespace=namespace)
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
250 except KeyError:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
251 pass
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
252 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
253 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
254 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
255 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
256 if default is _MARKER:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
257 raise KeyError(
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
258 "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
259 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
260 return default
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 380
diff changeset
261
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
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parents:
diff changeset
262 def getvar_s(self, varname, default=_MARKER):
24
fa65adab0b71 FIX: Typo in comment
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parents: 23
diff changeset
263 """Get a variable - including variables from other namespaces.
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
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diff changeset
264
115
a5339d39af5c Begin the documentation of variables and its expansion
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diff changeset
265 `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
266 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
267 and filters are applied.
115
a5339d39af5c Begin the documentation of variables and its expansion
Franz Glasner <hg@dom66.de>
parents: 104
diff changeset
268
202
2e66178a09d8 Docu: Ban "keyword expansion" -- use "variable interpolation" instead
Franz Glasner <fzglas.hg@dom66.de>
parents: 156
diff changeset
269 For more details see chapter :ref:`variable-interpolation`.
115
a5339d39af5c Begin the documentation of variables and its expansion
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parents: 104
diff changeset
270
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
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diff changeset
271 """
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
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parents:
diff changeset
272 try:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
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parents:
diff changeset
273 obj = self.getvar(varname)
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
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parents:
diff changeset
274 return self.substitute_variables_in_obj(obj)
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
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parents:
diff changeset
275 except KeyError:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
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diff changeset
276 if default is _MARKER:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
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parents:
diff changeset
277 raise
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
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parents:
diff changeset
278 else:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
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parents:
diff changeset
279 return default
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
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parents:
diff changeset
280
368
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
281 def getfirstvar_s(self, *varnames, **kwds):
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
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parents: 364
diff changeset
282 """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
283 variable in the list of given variables in `varnames`.
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
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parents: 364
diff changeset
284
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
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diff changeset
285 """
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
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diff changeset
286 default = kwds.pop("default", _MARKER)
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
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diff changeset
287 for varname in varnames:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
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diff changeset
288 try:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
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diff changeset
289 obj = self.getvar(varname)
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
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parents: 364
diff changeset
290 except KeyError:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
291 pass
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
parents: 364
diff changeset
292 else:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
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diff changeset
293 return self.substitute_variables_in_obj(obj)
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
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parents: 364
diff changeset
294 if default is _MARKER:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
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diff changeset
295 raise KeyError(
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
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diff changeset
296 "none of the given variables found: %r" % (varnames,))
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
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parents: 364
diff changeset
297 else:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
Franz Glasner <fzglas.hg@dom66.de>
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diff changeset
298 return default
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()".
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parents: 364
diff changeset
299
382
24db29162d09 Renamed "names" arguments into the more proper "path"
Franz Glasner <fzglas.hg@dom66.de>
parents: 381
diff changeset
300 def getintvarl_s(self, *path, **kwds):
314
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
301 """Get a (possibly substituted) variable and coerce text to a
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
302 number.
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
303
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
304 """
382
24db29162d09 Renamed "names" arguments into the more proper "path"
Franz Glasner <fzglas.hg@dom66.de>
parents: 381
diff changeset
305 s = self.getvarl_s(*path, **kwds)
314
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
306 if isinstance(s, self._TEXTTYPE):
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
307 return int(s, 0)
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
308 else:
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
309 return s
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
310
384
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 383
diff changeset
311 def getfirstintvarl_s(self, *paths, **kwds):
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 383
diff changeset
312 """Get a (possibly substituted) variable and coerce text to a
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 383
diff changeset
313 number.
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 383
diff changeset
314
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 383
diff changeset
315 """
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 383
diff changeset
316 s = self.getfirstvarl_s(*paths, **kwds)
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 383
diff changeset
317 if isinstance(s, self._TEXTTYPE):
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 383
diff changeset
318 return int(s, 0)
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 383
diff changeset
319 else:
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 383
diff changeset
320 return s
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 383
diff changeset
321
36
b04a350f894b Implement methods to convert text to other types when getting configuration variables.
Franz Glasner <hg@dom66.de>
parents: 29
diff changeset
322 def getintvar_s(self, varname, default=_MARKER):
b04a350f894b Implement methods to convert text to other types when getting configuration variables.
Franz Glasner <hg@dom66.de>
parents: 29
diff changeset
323 """Get a (possibly substituted) variable and coerce text to a
b04a350f894b Implement methods to convert text to other types when getting configuration variables.
Franz Glasner <hg@dom66.de>
parents: 29
diff changeset
324 number.
b04a350f894b Implement methods to convert text to other types when getting configuration variables.
Franz Glasner <hg@dom66.de>
parents: 29
diff changeset
325
b04a350f894b Implement methods to convert text to other types when getting configuration variables.
Franz Glasner <hg@dom66.de>
parents: 29
diff changeset
326 """
314
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
327 s = self.getvar_s(varname, default=default)
36
b04a350f894b Implement methods to convert text to other types when getting configuration variables.
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parents: 29
diff changeset
328 if isinstance(s, self._TEXTTYPE):
b04a350f894b Implement methods to convert text to other types when getting configuration variables.
Franz Glasner <hg@dom66.de>
parents: 29
diff changeset
329 return int(s, 0)
b04a350f894b Implement methods to convert text to other types when getting configuration variables.
Franz Glasner <hg@dom66.de>
parents: 29
diff changeset
330 else:
b04a350f894b Implement methods to convert text to other types when getting configuration variables.
Franz Glasner <hg@dom66.de>
parents: 29
diff changeset
331 return s
b04a350f894b Implement methods to convert text to other types when getting configuration variables.
Franz Glasner <hg@dom66.de>
parents: 29
diff changeset
332
373
0c65aac81807 Implement ".getfirstintvar_s()" and ".getfirstboolvar_s()" with unittests
Franz Glasner <fzglas.hg@dom66.de>
parents: 368
diff changeset
333 def getfirstintvar_s(self, *varnames, **kwds):
374
4d7ad20cb8f9 FIX: Doc strings
Franz Glasner <fzglas.hg@dom66.de>
parents: 373
diff changeset
334 """A variant of :meth:`~.getintvar_s` that returns the first found
4d7ad20cb8f9 FIX: Doc strings
Franz Glasner <fzglas.hg@dom66.de>
parents: 373
diff changeset
335 variable in the list of given variables in `varnames`.
373
0c65aac81807 Implement ".getfirstintvar_s()" and ".getfirstboolvar_s()" with unittests
Franz Glasner <fzglas.hg@dom66.de>
parents: 368
diff changeset
336
0c65aac81807 Implement ".getfirstintvar_s()" and ".getfirstboolvar_s()" with unittests
Franz Glasner <fzglas.hg@dom66.de>
parents: 368
diff changeset
337 """
0c65aac81807 Implement ".getfirstintvar_s()" and ".getfirstboolvar_s()" with unittests
Franz Glasner <fzglas.hg@dom66.de>
parents: 368
diff changeset
338 s = self.getfirstvar_s(*varnames, **kwds)
0c65aac81807 Implement ".getfirstintvar_s()" and ".getfirstboolvar_s()" with unittests
Franz Glasner <fzglas.hg@dom66.de>
parents: 368
diff changeset
339 if isinstance(s, self._TEXTTYPE):
0c65aac81807 Implement ".getfirstintvar_s()" and ".getfirstboolvar_s()" with unittests
Franz Glasner <fzglas.hg@dom66.de>
parents: 368
diff changeset
340 return int(s, 0)
0c65aac81807 Implement ".getfirstintvar_s()" and ".getfirstboolvar_s()" with unittests
Franz Glasner <fzglas.hg@dom66.de>
parents: 368
diff changeset
341 else:
0c65aac81807 Implement ".getfirstintvar_s()" and ".getfirstboolvar_s()" with unittests
Franz Glasner <fzglas.hg@dom66.de>
parents: 368
diff changeset
342 return s
0c65aac81807 Implement ".getfirstintvar_s()" and ".getfirstboolvar_s()" with unittests
Franz Glasner <fzglas.hg@dom66.de>
parents: 368
diff changeset
343
382
24db29162d09 Renamed "names" arguments into the more proper "path"
Franz Glasner <fzglas.hg@dom66.de>
parents: 381
diff changeset
344 def getboolvarl_s(self, *path, **kwds):
314
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
345 """Get a (possibly substituted) variable and convert text to a
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
346 boolean
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
347
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
348 """
382
24db29162d09 Renamed "names" arguments into the more proper "path"
Franz Glasner <fzglas.hg@dom66.de>
parents: 381
diff changeset
349 s = self.getvarl_s(*path, **kwds)
314
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
350 if isinstance(s, self._TEXTTYPE):
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
351 sl = s.strip().lower()
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
352 if sl not in self._BOOL_CVT:
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
353 raise ValueError("Not a boolean: %r" % s)
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
354 return self._BOOL_CVT[sl]
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
355 else:
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
356 return s
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
357
384
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 383
diff changeset
358 def getfirstboolvarl_s(self, *paths, **kwds):
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 383
diff changeset
359 """Get a (possibly substituted) variable and convert text to a
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 383
diff changeset
360 boolean
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 383
diff changeset
361
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 383
diff changeset
362 """
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 383
diff changeset
363 s = self.getfirstvarl_s(*paths, **kwds)
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 383
diff changeset
364 if isinstance(s, self._TEXTTYPE):
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 383
diff changeset
365 sl = s.strip().lower()
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 383
diff changeset
366 if sl not in self._BOOL_CVT:
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 383
diff changeset
367 raise ValueError("Not a boolean: %r" % s)
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 383
diff changeset
368 return self._BOOL_CVT[sl]
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 383
diff changeset
369 else:
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 383
diff changeset
370 return s
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 383
diff changeset
371
36
b04a350f894b Implement methods to convert text to other types when getting configuration variables.
Franz Glasner <hg@dom66.de>
parents: 29
diff changeset
372 def getboolvar_s(self, varname, default=_MARKER):
b04a350f894b Implement methods to convert text to other types when getting configuration variables.
Franz Glasner <hg@dom66.de>
parents: 29
diff changeset
373 """Get a (possibly substituted) variable and convert text to a
b04a350f894b Implement methods to convert text to other types when getting configuration variables.
Franz Glasner <hg@dom66.de>
parents: 29
diff changeset
374 boolean
b04a350f894b Implement methods to convert text to other types when getting configuration variables.
Franz Glasner <hg@dom66.de>
parents: 29
diff changeset
375
b04a350f894b Implement methods to convert text to other types when getting configuration variables.
Franz Glasner <hg@dom66.de>
parents: 29
diff changeset
376 """
314
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
377 s = self.getvar_s(varname, default=default)
36
b04a350f894b Implement methods to convert text to other types when getting configuration variables.
Franz Glasner <hg@dom66.de>
parents: 29
diff changeset
378 if isinstance(s, self._TEXTTYPE):
b04a350f894b Implement methods to convert text to other types when getting configuration variables.
Franz Glasner <hg@dom66.de>
parents: 29
diff changeset
379 sl = s.strip().lower()
207
b3b5ed34d180 Handle most flake8 errors and warnings.
Franz Glasner <fzglas.hg@dom66.de>
parents: 202
diff changeset
380 if sl not in self._BOOL_CVT:
36
b04a350f894b Implement methods to convert text to other types when getting configuration variables.
Franz Glasner <hg@dom66.de>
parents: 29
diff changeset
381 raise ValueError("Not a boolean: %r" % s)
b04a350f894b Implement methods to convert text to other types when getting configuration variables.
Franz Glasner <hg@dom66.de>
parents: 29
diff changeset
382 return self._BOOL_CVT[sl]
b04a350f894b Implement methods to convert text to other types when getting configuration variables.
Franz Glasner <hg@dom66.de>
parents: 29
diff changeset
383 else:
b04a350f894b Implement methods to convert text to other types when getting configuration variables.
Franz Glasner <hg@dom66.de>
parents: 29
diff changeset
384 return s
b04a350f894b Implement methods to convert text to other types when getting configuration variables.
Franz Glasner <hg@dom66.de>
parents: 29
diff changeset
385
373
0c65aac81807 Implement ".getfirstintvar_s()" and ".getfirstboolvar_s()" with unittests
Franz Glasner <fzglas.hg@dom66.de>
parents: 368
diff changeset
386 def getfirstboolvar_s(self, *varnames, **kwds):
374
4d7ad20cb8f9 FIX: Doc strings
Franz Glasner <fzglas.hg@dom66.de>
parents: 373
diff changeset
387 """A variant of :meth:`~.getboolvar_s` that returns the first found
4d7ad20cb8f9 FIX: Doc strings
Franz Glasner <fzglas.hg@dom66.de>
parents: 373
diff changeset
388 variable in the list of given variables in `varnames`.
373
0c65aac81807 Implement ".getfirstintvar_s()" and ".getfirstboolvar_s()" with unittests
Franz Glasner <fzglas.hg@dom66.de>
parents: 368
diff changeset
389
0c65aac81807 Implement ".getfirstintvar_s()" and ".getfirstboolvar_s()" with unittests
Franz Glasner <fzglas.hg@dom66.de>
parents: 368
diff changeset
390 """
0c65aac81807 Implement ".getfirstintvar_s()" and ".getfirstboolvar_s()" with unittests
Franz Glasner <fzglas.hg@dom66.de>
parents: 368
diff changeset
391 s = self.getfirstvar_s(*varnames, **kwds)
0c65aac81807 Implement ".getfirstintvar_s()" and ".getfirstboolvar_s()" with unittests
Franz Glasner <fzglas.hg@dom66.de>
parents: 368
diff changeset
392 if isinstance(s, self._TEXTTYPE):
0c65aac81807 Implement ".getfirstintvar_s()" and ".getfirstboolvar_s()" with unittests
Franz Glasner <fzglas.hg@dom66.de>
parents: 368
diff changeset
393 sl = s.strip().lower()
0c65aac81807 Implement ".getfirstintvar_s()" and ".getfirstboolvar_s()" with unittests
Franz Glasner <fzglas.hg@dom66.de>
parents: 368
diff changeset
394 if sl not in self._BOOL_CVT:
0c65aac81807 Implement ".getfirstintvar_s()" and ".getfirstboolvar_s()" with unittests
Franz Glasner <fzglas.hg@dom66.de>
parents: 368
diff changeset
395 raise ValueError("Not a boolean: %r" % s)
0c65aac81807 Implement ".getfirstintvar_s()" and ".getfirstboolvar_s()" with unittests
Franz Glasner <fzglas.hg@dom66.de>
parents: 368
diff changeset
396 return self._BOOL_CVT[sl]
0c65aac81807 Implement ".getfirstintvar_s()" and ".getfirstboolvar_s()" with unittests
Franz Glasner <fzglas.hg@dom66.de>
parents: 368
diff changeset
397 else:
0c65aac81807 Implement ".getfirstintvar_s()" and ".getfirstboolvar_s()" with unittests
Franz Glasner <fzglas.hg@dom66.de>
parents: 368
diff changeset
398 return s
0c65aac81807 Implement ".getfirstintvar_s()" and ".getfirstboolvar_s()" with unittests
Franz Glasner <fzglas.hg@dom66.de>
parents: 368
diff changeset
399
36
b04a350f894b Implement methods to convert text to other types when getting configuration variables.
Franz Glasner <hg@dom66.de>
parents: 29
diff changeset
400 # Conversion of booleans
304
d8361dd70d2d FIX: Map unicode strings to boolean values because this is the canonical texttype in confixmmix
Franz Glasner <fzglas.hg@dom66.de>
parents: 302
diff changeset
401 _BOOL_CVT = {
d8361dd70d2d FIX: Map unicode strings to boolean values because this is the canonical texttype in confixmmix
Franz Glasner <fzglas.hg@dom66.de>
parents: 302
diff changeset
402 u('1'): True, u('yes'): True, u('true'): True, u('on'): True,
d8361dd70d2d FIX: Map unicode strings to boolean values because this is the canonical texttype in confixmmix
Franz Glasner <fzglas.hg@dom66.de>
parents: 302
diff changeset
403 u('0'): False, u('no'): False, u('false'): False, u('off'): False
d8361dd70d2d FIX: Map unicode strings to boolean values because this is the canonical texttype in confixmmix
Franz Glasner <fzglas.hg@dom66.de>
parents: 302
diff changeset
404 }
36
b04a350f894b Implement methods to convert text to other types when getting configuration variables.
Franz Glasner <hg@dom66.de>
parents: 29
diff changeset
405
382
24db29162d09 Renamed "names" arguments into the more proper "path"
Franz Glasner <fzglas.hg@dom66.de>
parents: 381
diff changeset
406 def getfloatvarl_s(self, *path, **kwds):
314
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
407 """Get a (possibly substituted) variable and convert text to a
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
408 float
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
409
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
410 """
382
24db29162d09 Renamed "names" arguments into the more proper "path"
Franz Glasner <fzglas.hg@dom66.de>
parents: 381
diff changeset
411 s = self.getvarl_s(*path, **kwds)
314
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
412 if isinstance(s, self._TEXTTYPE):
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
413 return float(s)
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
414 else:
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
415 return s
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
416
384
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 383
diff changeset
417 def getfirstfloatvarl_s(self, *path, **kwds):
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 383
diff changeset
418 """Get a (possibly substituted) variable and convert text to a
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 383
diff changeset
419 float
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 383
diff changeset
420
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 383
diff changeset
421 """
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 383
diff changeset
422 s = self.getfirstvarl_s(*path, **kwds)
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 383
diff changeset
423 if isinstance(s, self._TEXTTYPE):
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 383
diff changeset
424 return float(s)
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 383
diff changeset
425 else:
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 383
diff changeset
426 return s
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s()
Franz Glasner <fzglas.hg@dom66.de>
parents: 383
diff changeset
427
36
b04a350f894b Implement methods to convert text to other types when getting configuration variables.
Franz Glasner <hg@dom66.de>
parents: 29
diff changeset
428 def getfloatvar_s(self, varname, default=_MARKER):
b04a350f894b Implement methods to convert text to other types when getting configuration variables.
Franz Glasner <hg@dom66.de>
parents: 29
diff changeset
429 """Get a (possibly substituted) variable and convert text to a
b04a350f894b Implement methods to convert text to other types when getting configuration variables.
Franz Glasner <hg@dom66.de>
parents: 29
diff changeset
430 float
b04a350f894b Implement methods to convert text to other types when getting configuration variables.
Franz Glasner <hg@dom66.de>
parents: 29
diff changeset
431
b04a350f894b Implement methods to convert text to other types when getting configuration variables.
Franz Glasner <hg@dom66.de>
parents: 29
diff changeset
432 """
b04a350f894b Implement methods to convert text to other types when getting configuration variables.
Franz Glasner <hg@dom66.de>
parents: 29
diff changeset
433 s = self.getvar_s(varname, default)
b04a350f894b Implement methods to convert text to other types when getting configuration variables.
Franz Glasner <hg@dom66.de>
parents: 29
diff changeset
434 if isinstance(s, self._TEXTTYPE):
b04a350f894b Implement methods to convert text to other types when getting configuration variables.
Franz Glasner <hg@dom66.de>
parents: 29
diff changeset
435 return float(s)
b04a350f894b Implement methods to convert text to other types when getting configuration variables.
Franz Glasner <hg@dom66.de>
parents: 29
diff changeset
436 else:
b04a350f894b Implement methods to convert text to other types when getting configuration variables.
Franz Glasner <hg@dom66.de>
parents: 29
diff changeset
437 return s
b04a350f894b Implement methods to convert text to other types when getting configuration variables.
Franz Glasner <hg@dom66.de>
parents: 29
diff changeset
438
383
5c72da46b8ae Implemented Configuration.getfirstfloatvar_s().
Franz Glasner <fzglas.hg@dom66.de>
parents: 382
diff changeset
439 def getfirstfloatvar_s(self, varname, default=_MARKER):
5c72da46b8ae Implemented Configuration.getfirstfloatvar_s().
Franz Glasner <fzglas.hg@dom66.de>
parents: 382
diff changeset
440 """Get a (possibly substituted) variable and convert text to a
5c72da46b8ae Implemented Configuration.getfirstfloatvar_s().
Franz Glasner <fzglas.hg@dom66.de>
parents: 382
diff changeset
441 float
5c72da46b8ae Implemented Configuration.getfirstfloatvar_s().
Franz Glasner <fzglas.hg@dom66.de>
parents: 382
diff changeset
442
5c72da46b8ae Implemented Configuration.getfirstfloatvar_s().
Franz Glasner <fzglas.hg@dom66.de>
parents: 382
diff changeset
443 """
5c72da46b8ae Implemented Configuration.getfirstfloatvar_s().
Franz Glasner <fzglas.hg@dom66.de>
parents: 382
diff changeset
444 s = self.getfirstvar_s(varname, default)
5c72da46b8ae Implemented Configuration.getfirstfloatvar_s().
Franz Glasner <fzglas.hg@dom66.de>
parents: 382
diff changeset
445 if isinstance(s, self._TEXTTYPE):
5c72da46b8ae Implemented Configuration.getfirstfloatvar_s().
Franz Glasner <fzglas.hg@dom66.de>
parents: 382
diff changeset
446 return float(s)
5c72da46b8ae Implemented Configuration.getfirstfloatvar_s().
Franz Glasner <fzglas.hg@dom66.de>
parents: 382
diff changeset
447 else:
5c72da46b8ae Implemented Configuration.getfirstfloatvar_s().
Franz Glasner <fzglas.hg@dom66.de>
parents: 382
diff changeset
448 return s
5c72da46b8ae Implemented Configuration.getfirstfloatvar_s().
Franz Glasner <fzglas.hg@dom66.de>
parents: 382
diff changeset
449
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
450 def _split_ns(self, s):
305
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
451 nameparts = s.split(self._NS_SEPARATOR, 1)
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
452 if len(nameparts) == 1:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
453 return (None, s, )
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
454 else:
329
d81d2cdf4925 FIX: Handle the unquoting of namespaces within Configuration.getvar() properly.
Franz Glasner <fzglas.hg@dom66.de>
parents: 326
diff changeset
455 return (self.unquote(nameparts[0]), nameparts[1], )
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
456
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
457 def _split_filters(self, s):
305
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
458 nameparts = s.split(self._FILTER_SEPARATOR)
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
459 if len(nameparts) == 1:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
460 return (s, [], )
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
461 else:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
462 return (nameparts[0].rstrip(), nameparts[1:], )
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
463
382
24db29162d09 Renamed "names" arguments into the more proper "path"
Franz Glasner <fzglas.hg@dom66.de>
parents: 381
diff changeset
464 def _lookupvar(self, *path, **kwds):
314
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
465 """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
466
382
24db29162d09 Renamed "names" arguments into the more proper "path"
Franz Glasner <fzglas.hg@dom66.de>
parents: 381
diff changeset
467 If no default is given an unexisting `path` raises a `KeyError`
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
468 else `default` is returned.
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
469 """
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
470 default = kwds.pop("default", _MARKER)
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
471 try:
382
24db29162d09 Renamed "names" arguments into the more proper "path"
Franz Glasner <fzglas.hg@dom66.de>
parents: 381
diff changeset
472 v = self.expand_if_reference(self[path[0]])
24db29162d09 Renamed "names" arguments into the more proper "path"
Franz Glasner <fzglas.hg@dom66.de>
parents: 381
diff changeset
473 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
474 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
475 except TypeError:
207
b3b5ed34d180 Handle most flake8 errors and warnings.
Franz Glasner <fzglas.hg@dom66.de>
parents: 202
diff changeset
476 raise KeyError(
b3b5ed34d180 Handle most flake8 errors and warnings.
Franz Glasner <fzglas.hg@dom66.de>
parents: 202
diff changeset
477 "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
478 "(missing intermediate keys?)" % (path,))
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
479 except KeyError:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
480 if default is _MARKER:
314
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 311
diff changeset
481 raise KeyError(
382
24db29162d09 Renamed "names" arguments into the more proper "path"
Franz Glasner <fzglas.hg@dom66.de>
parents: 381
diff changeset
482 "Configuration variable %r not found" % (path,))
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
483 else:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
484 return default
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
485 return v
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
486
305
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
487 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
488 """
311
Franz Glasner <fzglas.hg@dom66.de>
parents: 310
diff changeset
489
Franz Glasner <fzglas.hg@dom66.de>
parents: 310
diff changeset
490 `key` must be a configuration reference URI without any
Franz Glasner <fzglas.hg@dom66.de>
parents: 310
diff changeset
491 (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
492
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
493 """
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
494 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
495
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
496 def expand_if_reference(self, v, default=_MARKER):
311
Franz Glasner <fzglas.hg@dom66.de>
parents: 310
diff changeset
497 """Check whether `v` is a configuration reference and -- if true --
Franz Glasner <fzglas.hg@dom66.de>
parents: 310
diff changeset
498 then expand it.
305
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
499
310
801cd16223e4 FIX: Docu
Franz Glasner <fzglas.hg@dom66.de>
parents: 305
diff changeset
500 `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
501
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
502 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
503 unchanged.
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
504
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
505 """
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
506 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
507 return v
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
508 if not v.startswith(self._STARTTOK_REF) \
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
509 or not v.endswith(self._ENDTOK_REF):
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
510 return v
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
511 return self.expand_ref_uri(
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
512 v[len(self._STARTTOK_REF):-len(self._ENDTOK_REF)],
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
513 default=default)
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
514
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
515 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
516 pu = urlsplit(uri)
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
517 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
518 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
519 if not pu.fragment:
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
520 return self
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references.
Franz Glasner <fzglas.hg@dom66.de>
parents: 304
diff changeset
521 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
522 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
523 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
524
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
525 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
526 """Recursively expand variables in the object tree `obj`."""
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
527 if isinstance(obj, self._TEXTTYPE):
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
528 # a string - really replace the value
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
529 return self.expand_variable(obj)
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
530 elif isinstance(obj, list):
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
531 return [self.substitute_variables_in_obj(i) for i in obj]
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
532 elif isinstance(obj, tuple):
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
533 tmp = [self.substitute_variables_in_obj(i) for i in obj]
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
534 return type(obj)(tmp)
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
535 elif isinstance(obj, dict):
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
536 newdict = type(obj)()
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
537 for k in obj:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
538 newdict[k] = self.substitute_variables_in_obj(obj[k])
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
539 return newdict
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
540 elif isinstance(obj, set):
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
541 newset = type(obj)()
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
542 for i in obj:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
543 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
544 else:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
545 return obj
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
546
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
547 def expand_variable(self, s):
302
Franz Glasner <fzglas.hg@dom66.de>
parents: 296
diff changeset
548 """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
549 start = s.find(self._STARTTOK, 0)
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
550 while start != -1:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
551 end = s.find(self._ENDTOK, start)
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
552 if end < 0:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
553 return s
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
554 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
555 try:
357
dd454e1efea4 Use constants for the names of the "None" and "Empty" filters
Franz Glasner <fzglas.hg@dom66.de>
parents: 352
diff changeset
556 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
557 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
558 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
559 elif EMPTY_FILTER in filters:
352
2b209bdf6995 Implement the "Empty" filter.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 350
diff changeset
560 varvalue = self._apply_filters(
2b209bdf6995 Implement the "Empty" filter.
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 350
diff changeset
561 filters, self.getvar_s(varname, default=u("")))
349
83f76a41cf7c Implement a special filter named "None" that suppresses "KeyErrors" from interpolation lookups and returns a Python "None" instead
Franz Glasner <fzglas.hg@dom66.de>
parents: 334
diff changeset
562 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
563 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
564 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
565 except KeyError:
8715e5cc59ac Print a warning if a variable cannot be expanded.
Franz Glasner <hg@dom66.de>
parents: 36
diff changeset
566 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
567 "%r" % (varname, s, ),
8715e5cc59ac Print a warning if a variable cannot be expanded.
Franz Glasner <hg@dom66.de>
parents: 36
diff changeset
568 UserWarning,
8715e5cc59ac Print a warning if a variable cannot be expanded.
Franz Glasner <hg@dom66.de>
parents: 36
diff changeset
569 stacklevel=1)
8715e5cc59ac Print a warning if a variable cannot be expanded.
Franz Glasner <hg@dom66.de>
parents: 36
diff changeset
570 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
571 #
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
572 # 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
573 # 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
574 #
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
575 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
576 return varvalue
350
9d729c479dc2 FIX: Do not apply the type convertion None -> "" if the expansions comprises the whole expression
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 349
diff changeset
577 if varvalue is None:
9d729c479dc2 FIX: Do not apply the type convertion None -> "" if the expansions comprises the whole expression
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 349
diff changeset
578 varvalue = u("")
249
1e38ccfba3de Use explicit type conversion instead of an implicit one.
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
579 replaced = s[:start] + u(str(varvalue))
248
13283057a21e Do not use ".format()" but string concatenation or (when conversion to Unicode is needed) the faster %s method
Franz Glasner <fzglas.hg@dom66.de>
parents: 237
diff changeset
580 s = replaced + s[end+2:]
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
581 # don't re-evaluate because `self.getvar_s()` expands already
23
c77cb6bc8eeb FIX: Handle non-str types in variable substitutions properly
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 18
diff changeset
582 start = s.find(self._STARTTOK, len(replaced))
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
583 return s
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
584
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
585 def _apply_filters(self, filters, value):
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
586 for name in filters:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
587 try:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
588 filterfn = lookup_filter(name)
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
589 except KeyError:
40
8d66aef2f7fb Comment about exceptions when filters are missing.
Franz Glasner <hg@dom66.de>
parents: 39
diff changeset
590 #
8d66aef2f7fb Comment about exceptions when filters are missing.
Franz Glasner <hg@dom66.de>
parents: 39
diff changeset
591 # 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
592 # a very serious error.
8d66aef2f7fb Comment about exceptions when filters are missing.
Franz Glasner <hg@dom66.de>
parents: 39
diff changeset
593 #
16
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
594 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
595 else:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
596 value = filterfn(self, value)
f85dc4677c01 Implemented the real configuration dictionary with attribute access or
Franz Glasner <hg@dom66.de>
parents:
diff changeset
597 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
598
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
599 @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
600 def quote(klass, s):
333
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
601 """Replace important special characters in string `s` by replacing
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
602 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
603 characters unicode codepoint value.
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
604
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
605 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
606 ``#``; ``'``, ``"``, ``|``, ``{``, ``}``, ``[`` and ``]``.
333
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
607
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
608 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
609
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
610 """
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
611 qc = klass._QUOTE
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
612 s = s.replace(qc, qc + "x25")
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
613 s = s.replace(klass._DOT, qc + "x2e")
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
614 s = s.replace(klass._NS_SEPARATOR, qc + "x3a")
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
615 s = s.replace(klass._COMMENT, qc + "x23")
326
b7abfbfe806d By default quote '"' and "'" also
Franz Glasner <fzglas.hg@dom66.de>
parents: 325
diff changeset
616 s = s.replace(klass._FILTER_SEPARATOR, qc + "x7c")
b7abfbfe806d By default quote '"' and "'" also
Franz Glasner <fzglas.hg@dom66.de>
parents: 325
diff changeset
617 s = s.replace('"', qc + "x22")
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
618 s = s.replace("'", qc + "x27")
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
619 s = s.replace('{', qc + "x7b")
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
620 s = s.replace('}', qc + "x7d")
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
621 s = s.replace('[', qc + "x5b")
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
622 return s.replace(']', qc + "x5d")
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
623
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
624 @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
625 def unquote(klass, s):
333
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
626 """Unquote the content of `s`: handle all patterns ``%xNN``,
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
627 ``%uNNNN`` or ``%UNNNNNNNN``.
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
628
5ec0ae3bb8db Docs: quoting
Franz Glasner <fzglas.hg@dom66.de>
parents: 329
diff changeset
629 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
630
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
631 """
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
632 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
633 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
634 res = []
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
635 parts = s.split(klass._QUOTE)
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
636 res.append(parts[0])
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
637 for p in parts[1:]:
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
638 if p.startswith(u(b'x')):
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
639 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
640 raise ValueError("quote syntax: length too small")
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
641 res.append(uchr(int(p[1:3], 16)))
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
642 res.append(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
643 elif p.startswith(u(b'u')):
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
644 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
645 raise ValueError("quote syntax: length too small")
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
646 res.append(uchr(int(p[1:5], 16)))
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
647 res.append(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
648 elif p.startswith(u(b'U')):
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
649 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
650 raise ValueError("quote syntax: length too small")
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
651 res.append(uchr(int(p[1:9], 16)))
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
652 res.append(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
653 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
654 raise ValueError("unknown quote syntax string: {}".format(s))
98490375d90c Allow variable name quoting to be used in .getvar() and .getvar_s() and references
Franz Glasner <fzglas.hg@dom66.de>
parents: 314
diff changeset
655 return ''.join(res)
395
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Franz Glasner <f.glasner@feldmann-mg.com>
parents: 389
diff changeset
656
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
657 def jailed(self, rootpath=None, root=None):
399
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
658 """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
659
399
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
660 :param rootpath: a sequence of strings that shall emcompass
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
661 the chroot-like jail of the returned
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
662 configuration
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
663 :type rootpath: list or tuple
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
664 :param str root: a string path expression that shall encompass
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
665 the chroot-like jail of the returned configuration
397
Franz Glasner <fzglas.hg@dom66.de>
parents: 396
diff changeset
666 :return: a jailed (aka restricted) configuration
Franz Glasner <fzglas.hg@dom66.de>
parents: 396
diff changeset
667 :rtype: _JailedConfiguration
Franz Glasner <fzglas.hg@dom66.de>
parents: 396
diff changeset
668
399
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
669 Exactly one of `rootpath` or `root` must be given.
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
670
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
671 """
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
672 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
673 raise ValueError("only one of `rootpath' or `root' can be given")
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Franz Glasner <f.glasner@feldmann-mg.com>
parents: 389
diff changeset
674 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
675 raise ValueError("one of `rootpath' or `root' must 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
676 if root is not None:
0b3ffc34fa5c Begin a jailed configuration with access to a sub-tree of the original configuration
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parents: 389
diff changeset
677 # convert to path
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Franz Glasner <f.glasner@feldmann-mg.com>
parents: 389
diff changeset
678 varns, varname = self._split_ns(root)
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Franz Glasner <f.glasner@feldmann-mg.com>
parents: 389
diff changeset
679 if varns:
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Franz Glasner <f.glasner@feldmann-mg.com>
parents: 389
diff changeset
680 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
681 "jailed configurations do not support namespaces")
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
682 rootpath = [
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
683 self.unquote(p) for p in root.split(
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
684 self._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
685 ]
396
Franz Glasner <fzglas.hg@dom66.de>
parents: 395
diff changeset
686
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
687 return _JailedConfiguration(self, *rootpath)
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
688
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
689
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
690 class _JailedConfiguration(object):
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
691
397
Franz Glasner <fzglas.hg@dom66.de>
parents: 396
diff changeset
692 """A jailed and restricted variant of :class:`Configuration`.
Franz Glasner <fzglas.hg@dom66.de>
parents: 396
diff changeset
693
399
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
694 Restriction is two-fold:
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
695
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
696 - The access to configuration variables in `config` is restricted
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
697 to the configuration sub-tree that is configured in `path`.
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
698
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
699 - Not all access-methods of :class:`Configuration` are implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
700 yet.
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
701
400
Franz Glasner <fzglas.hg@dom66.de>
parents: 399
diff changeset
702 .. seealso:: :ref:`jailed-configuration`
Franz Glasner <fzglas.hg@dom66.de>
parents: 399
diff changeset
703
399
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
704 .. note:: There is no namespace support.
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
705
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
706 .. note:: Do not call the constructor directly. Instantiate a jailed
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
707 configuration from the parent configuration's
Franz Glasner <fzglas.hg@dom66.de>
parents: 398
diff changeset
708 :meth:`~.Configuration.jailed` factory method.
397
Franz Glasner <fzglas.hg@dom66.de>
parents: 396
diff changeset
709
Franz Glasner <fzglas.hg@dom66.de>
parents: 396
diff changeset
710 """
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
711
396
Franz Glasner <fzglas.hg@dom66.de>
parents: 395
diff changeset
712 __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
713
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
714 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
715 """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
716
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
717 def __init__(self, config, *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
718 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
719 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
720 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
721 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
722 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
723 [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
724 + 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
725 else:
0b3ffc34fa5c Begin a jailed configuration with access to a sub-tree of the original configuration
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 389
diff changeset
726 self._pathstr = ''
405
af367e1d0950 Allow to rebind a jailed configuration to another "similar" base
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 404
diff changeset
727 self.rebind(config)
af367e1d0950 Allow to rebind a jailed configuration to another "similar" base
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 404
diff changeset
728
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
729 @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
730 def base(self):
5286df5aeefe Allow a jailed configuration to return its base configuration via a property
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 405
diff changeset
731 """Ask for the base (aka parent) configuration"""
5286df5aeefe Allow a jailed configuration to return its base configuration via a property
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 405
diff changeset
732 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
733
405
af367e1d0950 Allow to rebind a jailed configuration to another "similar" base
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 404
diff changeset
734 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
735 """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
736
af367e1d0950 Allow to rebind a jailed configuration to another "similar" base
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 404
diff changeset
737 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
738 the root.
af367e1d0950 Allow to rebind a jailed configuration to another "similar" base
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 404
diff changeset
739
af367e1d0950 Allow to rebind a jailed configuration to another "similar" base
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 404
diff changeset
740 :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
741
af367e1d0950 Allow to rebind a jailed configuration to another "similar" base
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 404
diff changeset
742 """
af367e1d0950 Allow to rebind a jailed configuration to another "similar" base
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 404
diff changeset
743 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
744 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
745 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
746 #
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
747 # 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
748 # 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
749 #
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
750 if self._path:
405
af367e1d0950 Allow to rebind a jailed configuration to another "similar" base
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 404
diff changeset
751 new_base.getvarl(*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
752
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
753 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
754 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
755
398
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
756 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
757 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
758 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
759 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
760 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
761 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
762 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
763 "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
764 else:
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
765 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
766 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
767
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
768 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
769 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
770
398
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
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parents: 397
diff changeset
771 def getfirstvarl_s(self, *paths, **kwds):
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
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parents: 397
diff changeset
772 real_paths = []
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
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parents: 397
diff changeset
773 for path in paths:
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parents: 397
diff changeset
774 if isinstance(path, (list, tuple)):
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parents: 397
diff changeset
775 real_paths.append(self._path + path)
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parents: 397
diff changeset
776 elif isinstance(path, dict):
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parents: 397
diff changeset
777 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
778 "a `dict' is not supported in a jailed configuration")
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
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parents: 397
diff changeset
779 else:
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
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parents: 397
diff changeset
780 raise TypeError("a paths item must be a list or tuple")
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
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parents: 397
diff changeset
781 return self._base.getfirstvarl_s(*real_paths, **kwds)
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parents: 397
diff changeset
782
395
0b3ffc34fa5c Begin a jailed configuration with access to a sub-tree of the original configuration
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parents: 389
diff changeset
783 def getvar(self, varname, default=_MARKER):
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parents: 389
diff changeset
784 return self._base.getvar(self._pathstr + varname, default=default)
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parents: 389
diff changeset
785
398
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
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parents: 397
diff changeset
786 def getfirstvar(self, *varnames, **kwds):
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
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parents: 397
diff changeset
787 real_varnames = [self._pathstr + vn for vn in varnames]
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
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parents: 397
diff changeset
788 return self._base.getfirstvar(*real_varnames, **kwds)
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
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parents: 397
diff changeset
789
395
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parents: 389
diff changeset
790 def getvar_s(self, varname, default=_MARKER):
0b3ffc34fa5c Begin a jailed configuration with access to a sub-tree of the original configuration
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parents: 389
diff changeset
791 return self._base.getvar_s(self._pathstr + varname, default=default)
398
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
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parents: 397
diff changeset
792
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
793 def getfirstvar_s(self, *varnames, **kwds):
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s
Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
794 real_varnames = [self._pathstr + vn for vn in varnames]
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Franz Glasner <fzglas.hg@dom66.de>
parents: 397
diff changeset
795 return self._base.getfirstvar_s(*real_varnames, **kwds)