Python/libs/ConfigMix: configmix/config.py annotate

annotate configmix/config.py @ 398:b1f82b853290

Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s

author	Franz Glasner <fzglas.hg@dom66.de>
date	Fri, 19 Nov 2021 01:39:18 +0100
parents	88239f28415c
children	b45403d175a0

rev	line source
16 f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	1 # -- coding: utf-8 --
208 bbe8513ea649 Handle flake8 E265 "block comment should start with '# ': use '# :-' instead of '#-' to mark copyright and license comments Franz Glasner <fzglas.hg@dom66.de> parents: 207 diff changeset	2 # :-
302 063099b188cd Docu Franz Glasner <fzglas.hg@dom66.de> parents: 296 diff changeset	3 # :Copyright: (c) 2015-2021, Franz Glasner. All rights reserved.
296 eed16a1ec8f3 Use SPDX license identifiers (either full or short) all over the package Franz Glasner <fzglas.hg@dom66.de> parents: 251 diff changeset	4 # :License: BSD-3-Clause. See LICENSE.txt for details.
208 bbe8513ea649 Handle flake8 E265 "block comment should start with '# ': use '# :-' instead of '#-' to mark copyright and license comments Franz Glasner <fzglas.hg@dom66.de> parents: 207 diff changeset	5 # :-
82 218807d7d883 Remove header markup from the Python files and put them into the doc .rst files Franz Glasner <hg@dom66.de> parents: 79 diff changeset	6 """The unified configuration dictionary with attribute support or
54 aa8345dae995 Generate readable HTML documentation and an API documentation Franz Glasner <hg@dom66.de> parents: 40 diff changeset	7 variable substitution.
16 f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	8
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	9 """
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	10
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	11 from __future__ import division, absolute_import, print_function
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	12
250 ff964825a75a Style: placement of "__all__" Franz Glasner <fzglas.hg@dom66.de> parents: 249 diff changeset	13
ff964825a75a Style: placement of "__all__" Franz Glasner <fzglas.hg@dom66.de> parents: 249 diff changeset	14 __all__ = ["Configuration"]
ff964825a75a Style: placement of "__all__" Franz Glasner <fzglas.hg@dom66.de> parents: 249 diff changeset	15
ff964825a75a Style: placement of "__all__" Franz Glasner <fzglas.hg@dom66.de> parents: 249 diff changeset	16
39 8715e5cc59ac Print a warning if a variable cannot be expanded. Franz Glasner <hg@dom66.de> parents: 36 diff changeset	17 import warnings
16 f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	18 try:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	19 from collections import OrderedDict as ConfigurationBase
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	20 except ImportError:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	21 try:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	22 from ordereddict import OrderedDict as ConfigurationBase
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	23 except ImportError:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	24 ConfigurationBase = dict
305 f529ca46dd50 Implemented the "ref" namespace to get configuration tree references. Franz Glasner <fzglas.hg@dom66.de> parents: 304 diff changeset	25 try:
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references. Franz Glasner <fzglas.hg@dom66.de> parents: 304 diff changeset	26 from urllib.parse import urlsplit
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references. Franz Glasner <fzglas.hg@dom66.de> parents: 304 diff changeset	27 except ImportError:
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references. Franz Glasner <fzglas.hg@dom66.de> parents: 304 diff changeset	28 from urlparse import urlsplit
16 f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	29
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	30 from .variables import lookup_varns, lookup_filter
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	31 from .compat import u, uchr
357 dd454e1efea4 Use constants for the names of the "None" and "Empty" filters Franz Glasner <fzglas.hg@dom66.de> parents: 352 diff changeset	32 from .constants import REF_NAMESPACE, NONE_FILTER, EMPTY_FILTER
16 f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	33
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	34
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	35 _MARKER = object()
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	36
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	37
17 94b5e94fae44 Make the AttributeDict "private" (-> "_AttributeDict") Franz Glasner <f.glasner@feldmann-mg.com> parents: 16 diff changeset	38 class _AttributeDict(ConfigurationBase):
16 f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	39
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	40 def __getattr__(self, name):
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	41 try:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	42 v = self[name]
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	43 except KeyError:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	44 raise AttributeError("%s has no attribute %r" % (type(self), name))
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	45 else:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	46 # Wrap a dict into another dict with attribute access support
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	47 if isinstance(v, dict):
29 17af7a78710c FIX: Renaming a class was not really complete Franz Glasner <hg@dom66.de> parents: 25 diff changeset	48 return _AttributeDict(v)
16 f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	49 else:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	50 return v
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	51
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	52
17 94b5e94fae44 Make the AttributeDict "private" (-> "_AttributeDict") Franz Glasner <f.glasner@feldmann-mg.com> parents: 16 diff changeset	53 class Configuration(_AttributeDict):
16 f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	54
18 a04fa81e10ae Doc Franz Glasner <f.glasner@feldmann-mg.com> parents: 17 diff changeset	55 """The configuration dictionary with attribute support or
a04fa81e10ae Doc Franz Glasner <f.glasner@feldmann-mg.com> parents: 17 diff changeset	56 variable substitution.
a04fa81e10ae Doc Franz Glasner <f.glasner@feldmann-mg.com> parents: 17 diff changeset	57
322 4aa19e04ff65 Comment: typo Franz Glasner <f.glasner@feldmann-mg.com> parents: 321 diff changeset	58 .. note:: When retrieving by attribute names variables will not
18 a04fa81e10ae Doc Franz Glasner <f.glasner@feldmann-mg.com> parents: 17 diff changeset	59 substituted.
a04fa81e10ae Doc Franz Glasner <f.glasner@feldmann-mg.com> parents: 17 diff changeset	60
a04fa81e10ae Doc Franz Glasner <f.glasner@feldmann-mg.com> parents: 17 diff changeset	61 """
a04fa81e10ae Doc Franz Glasner <f.glasner@feldmann-mg.com> parents: 17 diff changeset	62
305 f529ca46dd50 Implemented the "ref" namespace to get configuration tree references. Franz Glasner <fzglas.hg@dom66.de> parents: 304 diff changeset	63 # Speed
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references. Franz Glasner <fzglas.hg@dom66.de> parents: 304 diff changeset	64 _TEXTTYPE = type(u(""))
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references. Franz Glasner <fzglas.hg@dom66.de> parents: 304 diff changeset	65 _STARTTOK = u(b"{{")
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references. Franz Glasner <fzglas.hg@dom66.de> parents: 304 diff changeset	66 _ENDTOK = u(b"}}")
314 043a6412be3c Implemented new access methods .getvarl() and .getvarl_s Franz Glasner <fzglas.hg@dom66.de> parents: 311 diff changeset	67 _HIER_SEPARATOR = u(b'.')
305 f529ca46dd50 Implemented the "ref" namespace to get configuration tree references. Franz Glasner <fzglas.hg@dom66.de> parents: 304 diff changeset	68 _NS_SEPARATOR = u(b':')
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references. Franz Glasner <fzglas.hg@dom66.de> parents: 304 diff changeset	69 _FILTER_SEPARATOR = u(b'\|')
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references. Franz Glasner <fzglas.hg@dom66.de> parents: 304 diff changeset	70 _STARTTOK_REF = _STARTTOK + REF_NAMESPACE + _NS_SEPARATOR
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references. Franz Glasner <fzglas.hg@dom66.de> parents: 304 diff changeset	71 _ENDTOK_REF = _ENDTOK
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references. Franz Glasner <fzglas.hg@dom66.de> parents: 304 diff changeset	72 _DOT = u(b'.')
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	73 _QUOTE = u(b'%')
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	74 _COMMENT = u(b'#')
305 f529ca46dd50 Implemented the "ref" namespace to get configuration tree references. Franz Glasner <fzglas.hg@dom66.de> parents: 304 diff changeset	75
382 24db29162d09 Renamed "names" arguments into the more proper "path" Franz Glasner <fzglas.hg@dom66.de> parents: 381 diff changeset	76 def getvarl(self, path, *kwds):
24db29162d09 Renamed "names" arguments into the more proper "path" Franz Glasner <fzglas.hg@dom66.de> parents: 381 diff changeset	77 """Get a variable where the hierarchy is given in `path` as sequence
380 bb4a90fb58e0 Docu: "namespace" in getvarl() is a keyword argument Franz Glasner <fzglas.hg@dom66.de> parents: 374 diff changeset	78 and the namespace is given in the `namespace` keyword argument.
314 043a6412be3c Implemented new access methods .getvarl() and .getvarl_s Franz Glasner <fzglas.hg@dom66.de> parents: 311 diff changeset	79
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s Franz Glasner <fzglas.hg@dom66.de> parents: 311 diff changeset	80 No variable interpolation is done and no filters are applied.
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s Franz Glasner <fzglas.hg@dom66.de> parents: 311 diff changeset	81
382 24db29162d09 Renamed "names" arguments into the more proper "path" Franz Glasner <fzglas.hg@dom66.de> parents: 381 diff changeset	82 Quoting of `path` and `namespace` is not needed and wrong.
333 5ec0ae3bb8db Docs: quoting Franz Glasner <fzglas.hg@dom66.de> parents: 329 diff changeset	83
314 043a6412be3c Implemented new access methods .getvarl() and .getvarl_s Franz Glasner <fzglas.hg@dom66.de> parents: 311 diff changeset	84 """
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	85 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	86 namespace = kwds.pop("namespace", None)
314 043a6412be3c Implemented new access methods .getvarl() and .getvarl_s Franz Glasner <fzglas.hg@dom66.de> parents: 311 diff changeset	87 try:
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s Franz Glasner <fzglas.hg@dom66.de> parents: 311 diff changeset	88 if not namespace:
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s Franz Glasner <fzglas.hg@dom66.de> parents: 311 diff changeset	89 lookupfn = self._lookupvar
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s Franz Glasner <fzglas.hg@dom66.de> parents: 311 diff changeset	90 else:
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s Franz Glasner <fzglas.hg@dom66.de> parents: 311 diff changeset	91 if namespace == REF_NAMESPACE:
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s Franz Glasner <fzglas.hg@dom66.de> parents: 311 diff changeset	92 lookupfn = self._lookupref
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s Franz Glasner <fzglas.hg@dom66.de> parents: 311 diff changeset	93 else:
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s Franz Glasner <fzglas.hg@dom66.de> parents: 311 diff changeset	94 lookupfn = lookup_varns(namespace)
382 24db29162d09 Renamed "names" arguments into the more proper "path" Franz Glasner <fzglas.hg@dom66.de> parents: 381 diff changeset	95 varvalue = lookupfn(*path)
314 043a6412be3c Implemented new access methods .getvarl() and .getvarl_s Franz Glasner <fzglas.hg@dom66.de> parents: 311 diff changeset	96 except KeyError:
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s Franz Glasner <fzglas.hg@dom66.de> parents: 311 diff changeset	97 if default is _MARKER:
382 24db29162d09 Renamed "names" arguments into the more proper "path" Franz Glasner <fzglas.hg@dom66.de> parents: 381 diff changeset	98 raise KeyError("Variable %r not found" % (path,))
314 043a6412be3c Implemented new access methods .getvarl() and .getvarl_s Franz Glasner <fzglas.hg@dom66.de> parents: 311 diff changeset	99 else:
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s Franz Glasner <fzglas.hg@dom66.de> parents: 311 diff changeset	100 return default
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s Franz Glasner <fzglas.hg@dom66.de> parents: 311 diff changeset	101 else:
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s Franz Glasner <fzglas.hg@dom66.de> parents: 311 diff changeset	102 return varvalue
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s Franz Glasner <fzglas.hg@dom66.de> parents: 311 diff changeset	103
381 fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	104 def getfirstvarl(self, paths, *kwds):
385 4beeb291926d First documentation of getfirstvarl() Franz Glasner <fzglas.hg@dom66.de> parents: 384 diff changeset	105 """A variant of :meth:`~.getvarl` that returns the first found
4beeb291926d First documentation of getfirstvarl() Franz Glasner <fzglas.hg@dom66.de> parents: 384 diff changeset	106 variable in the `paths` list.
4beeb291926d First documentation of getfirstvarl() Franz Glasner <fzglas.hg@dom66.de> parents: 384 diff changeset	107
4beeb291926d First documentation of getfirstvarl() Franz Glasner <fzglas.hg@dom66.de> parents: 384 diff changeset	108 Every item in `paths` is either a `tuple` or `list` or a `dict`.
4beeb291926d First documentation of getfirstvarl() Franz Glasner <fzglas.hg@dom66.de> parents: 384 diff changeset	109 If the path item is a `dict` then it must have two keys "namespace"
4beeb291926d First documentation of getfirstvarl() Franz Glasner <fzglas.hg@dom66.de> parents: 384 diff changeset	110 and "path".
4beeb291926d First documentation of getfirstvarl() Franz Glasner <fzglas.hg@dom66.de> parents: 384 diff changeset	111 If the path item is a `list` or `tuple` then the namespace is assumed
4beeb291926d First documentation of getfirstvarl() Franz Glasner <fzglas.hg@dom66.de> parents: 384 diff changeset	112 to be `None`.
4beeb291926d First documentation of getfirstvarl() Franz Glasner <fzglas.hg@dom66.de> parents: 384 diff changeset	113
389 44ef854da70a Docs Franz Glasner <fzglas.hg@dom66.de> parents: 388 diff changeset	114 Note that a caller that wants to use variables from a non-default
44ef854da70a Docs Franz Glasner <fzglas.hg@dom66.de> parents: 388 diff changeset	115 namespace must use a sequence of dicts.
44ef854da70a Docs Franz Glasner <fzglas.hg@dom66.de> parents: 388 diff changeset	116
385 4beeb291926d First documentation of getfirstvarl() Franz Glasner <fzglas.hg@dom66.de> parents: 384 diff changeset	117 No variable interpolation is done and no filters are applied.
4beeb291926d First documentation of getfirstvarl() Franz Glasner <fzglas.hg@dom66.de> parents: 384 diff changeset	118
4beeb291926d First documentation of getfirstvarl() Franz Glasner <fzglas.hg@dom66.de> parents: 384 diff changeset	119 Quoting of anything in `paths` is not needed and wrong.
4beeb291926d First documentation of getfirstvarl() Franz Glasner <fzglas.hg@dom66.de> parents: 384 diff changeset	120
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	121 """
381 fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	122 default = kwds.pop("default", _MARKER)
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	123 for path in paths:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	124 if isinstance(path, (list, tuple)):
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	125 try:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	126 varvalue = self.getvarl(*path)
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	127 except KeyError:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	128 pass
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	129 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	130 return varvalue
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	131 elif isinstance(path, dict):
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	132 try:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	133 namespace = path["namespace"]
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	134 p = path["path"]
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	135 except KeyError:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	136 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	137 " and a `namespace' key")
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	138 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	139 try:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	140 varvalue = self.getvarl(*p, namespace=namespace)
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	141 except KeyError:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	142 pass
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	143 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	144 return varvalue
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	145 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	146 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	147 if default is _MARKER:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	148 raise KeyError(
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	149 "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	150 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	151 return default
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	152
16 f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	153 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	154 """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	155 variables from other namespaces.
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	156
202 2e66178a09d8 Docu: Ban "keyword expansion" -- use "variable interpolation" instead Franz Glasner <fzglas.hg@dom66.de> parents: 156 diff changeset	157 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	158
333 5ec0ae3bb8db Docs: quoting Franz Glasner <fzglas.hg@dom66.de> parents: 329 diff changeset	159 Special characters (e.g. ``:`` and ``.``) must be quoted when using
5ec0ae3bb8db Docs: quoting Franz Glasner <fzglas.hg@dom66.de> parents: 329 diff changeset	160 the default namespace.
5ec0ae3bb8db Docs: quoting Franz Glasner <fzglas.hg@dom66.de> parents: 329 diff changeset	161
5ec0ae3bb8db Docs: quoting Franz Glasner <fzglas.hg@dom66.de> parents: 329 diff changeset	162 See also :meth:`~.quote`.
5ec0ae3bb8db Docs: quoting Franz Glasner <fzglas.hg@dom66.de> parents: 329 diff changeset	163
16 f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	164 """
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	165 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	166 if not varns:
396 a50f8fb16b05 Style Franz Glasner <fzglas.hg@dom66.de> parents: 395 diff changeset	167 varnameparts = [
a50f8fb16b05 Style Franz Glasner <fzglas.hg@dom66.de> parents: 395 diff changeset	168 self.unquote(vp) for vp in varname.split(self._HIER_SEPARATOR)
a50f8fb16b05 Style Franz Glasner <fzglas.hg@dom66.de> parents: 395 diff changeset	169 ]
314 043a6412be3c Implemented new access methods .getvarl() and .getvarl_s Franz Glasner <fzglas.hg@dom66.de> parents: 311 diff changeset	170 else:
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s Franz Glasner <fzglas.hg@dom66.de> parents: 311 diff changeset	171 varnameparts = (varname,)
364 1941f0188e81 FIX: Handle a "default" keyword parameter in ".getvar()" properly. Franz Glasner <fzglas.hg@dom66.de> parents: 357 diff changeset	172 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	173
368 4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()". Franz Glasner <fzglas.hg@dom66.de> parents: 364 diff changeset	174 def getfirstvar(self, varnames, *kwds):
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()". Franz Glasner <fzglas.hg@dom66.de> parents: 364 diff changeset	175 """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	176 in the list of given variables in `varnames`.
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()". Franz Glasner <fzglas.hg@dom66.de> parents: 364 diff changeset	177
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()". Franz Glasner <fzglas.hg@dom66.de> parents: 364 diff changeset	178 """
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()". Franz Glasner <fzglas.hg@dom66.de> parents: 364 diff changeset	179 default = kwds.pop("default", _MARKER)
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()". Franz Glasner <fzglas.hg@dom66.de> parents: 364 diff changeset	180 for varname in varnames:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()". Franz Glasner <fzglas.hg@dom66.de> parents: 364 diff changeset	181 try:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()". Franz Glasner <fzglas.hg@dom66.de> parents: 364 diff changeset	182 varvalue = self.getvar(varname)
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()". Franz Glasner <fzglas.hg@dom66.de> parents: 364 diff changeset	183 except KeyError:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()". Franz Glasner <fzglas.hg@dom66.de> parents: 364 diff changeset	184 pass
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()". Franz Glasner <fzglas.hg@dom66.de> parents: 364 diff changeset	185 else:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()". Franz Glasner <fzglas.hg@dom66.de> parents: 364 diff changeset	186 return varvalue
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()". Franz Glasner <fzglas.hg@dom66.de> parents: 364 diff changeset	187 if default is _MARKER:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()". Franz Glasner <fzglas.hg@dom66.de> parents: 364 diff changeset	188 raise KeyError(
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()". Franz Glasner <fzglas.hg@dom66.de> parents: 364 diff changeset	189 "none of the given variables found: %r" % (varnames,))
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()". Franz Glasner <fzglas.hg@dom66.de> parents: 364 diff changeset	190 else:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()". Franz Glasner <fzglas.hg@dom66.de> parents: 364 diff changeset	191 return default
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()". Franz Glasner <fzglas.hg@dom66.de> parents: 364 diff changeset	192
382 24db29162d09 Renamed "names" arguments into the more proper "path" Franz Glasner <fzglas.hg@dom66.de> parents: 381 diff changeset	193 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	194 """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	195
382 24db29162d09 Renamed "names" arguments into the more proper "path" Franz Glasner <fzglas.hg@dom66.de> parents: 381 diff changeset	196 `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	197 :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	198 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	199 applied.
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s Franz Glasner <fzglas.hg@dom66.de> parents: 311 diff changeset	200
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s Franz Glasner <fzglas.hg@dom66.de> parents: 311 diff changeset	201 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	202
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s Franz Glasner <fzglas.hg@dom66.de> parents: 311 diff changeset	203 """
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	204 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	205 namespace = kwds.pop("namespace", None)
16 f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	206 try:
382 24db29162d09 Renamed "names" arguments into the more proper "path" Franz Glasner <fzglas.hg@dom66.de> parents: 381 diff changeset	207 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	208 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	209 except KeyError:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	210 if default is _MARKER:
314 043a6412be3c Implemented new access methods .getvarl() and .getvarl_s Franz Glasner <fzglas.hg@dom66.de> parents: 311 diff changeset	211 raise
16 f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	212 else:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	213 return default
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	214
381 fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	215 def getfirstvarl_s(self, paths, *kwds):
388 13427f37abab Docs: document Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 385 diff changeset	216 """A variant of :meth:`~.getfirstvarl` that does variable
13427f37abab Docs: document Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 385 diff changeset	217 interpolation.
13427f37abab Docs: document Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 385 diff changeset	218
13427f37abab Docs: document Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 385 diff changeset	219 `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	220 But variables will be interpolated
13427f37abab Docs: document Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 385 diff changeset	221 recursively within the variable values and filters are
13427f37abab Docs: document Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 385 diff changeset	222 applied.
13427f37abab Docs: document Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 385 diff changeset	223
13427f37abab Docs: document Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 385 diff changeset	224 For more details see chapter :ref:`variable-interpolation`.
13427f37abab Docs: document Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 385 diff changeset	225
13427f37abab Docs: document Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 385 diff changeset	226 """
381 fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	227 default = kwds.pop("default", _MARKER)
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	228 for path in paths:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	229 if isinstance(path, (list, tuple)):
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	230 try:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	231 obj = self.getvarl(*path)
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	232 except KeyError:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	233 pass
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	234 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	235 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	236
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	237 elif isinstance(path, dict):
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	238 try:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	239 namespace = path["namespace"]
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	240 p = path["path"]
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	241 except KeyError:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	242 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	243 " and a `namespace' key")
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	244 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	245 try:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	246 obj = self.getvarl(*p, namespace=namespace)
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	247 except KeyError:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	248 pass
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	249 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	250 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	251 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	252 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	253 if default is _MARKER:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	254 raise KeyError(
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	255 "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	256 else:
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	257 return default
fe3dfd687621 Implemented Configuration.getfirstvarl() and Configuration.getfirstvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 380 diff changeset	258
16 f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	259 def getvar_s(self, varname, default=_MARKER):
24 fa65adab0b71 FIX: Typo in comment Franz Glasner <f.glasner@feldmann-mg.com> parents: 23 diff changeset	260 """Get a variable - including variables from other namespaces.
16 f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	261
115 a5339d39af5c Begin the documentation of variables and its expansion Franz Glasner <hg@dom66.de> parents: 104 diff changeset	262 `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	263 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	264 and filters are applied.
115 a5339d39af5c Begin the documentation of variables and its expansion Franz Glasner <hg@dom66.de> parents: 104 diff changeset	265
202 2e66178a09d8 Docu: Ban "keyword expansion" -- use "variable interpolation" instead Franz Glasner <fzglas.hg@dom66.de> parents: 156 diff changeset	266 For more details see chapter :ref:`variable-interpolation`.
115 a5339d39af5c Begin the documentation of variables and its expansion Franz Glasner <hg@dom66.de> parents: 104 diff changeset	267
16 f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	268 """
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	269 try:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	270 obj = self.getvar(varname)
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	271 return self.substitute_variables_in_obj(obj)
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	272 except KeyError:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	273 if default is _MARKER:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	274 raise
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	275 else:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	276 return default
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	277
368 4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()". Franz Glasner <fzglas.hg@dom66.de> parents: 364 diff changeset	278 def getfirstvar_s(self, varnames, *kwds):
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()". Franz Glasner <fzglas.hg@dom66.de> parents: 364 diff changeset	279 """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	280 variable in the list of given variables in `varnames`.
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()". Franz Glasner <fzglas.hg@dom66.de> parents: 364 diff changeset	281
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()". Franz Glasner <fzglas.hg@dom66.de> parents: 364 diff changeset	282 """
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()". Franz Glasner <fzglas.hg@dom66.de> parents: 364 diff changeset	283 default = kwds.pop("default", _MARKER)
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()". Franz Glasner <fzglas.hg@dom66.de> parents: 364 diff changeset	284 for varname in varnames:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()". Franz Glasner <fzglas.hg@dom66.de> parents: 364 diff changeset	285 try:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()". Franz Glasner <fzglas.hg@dom66.de> parents: 364 diff changeset	286 obj = self.getvar(varname)
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()". Franz Glasner <fzglas.hg@dom66.de> parents: 364 diff changeset	287 except KeyError:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()". Franz Glasner <fzglas.hg@dom66.de> parents: 364 diff changeset	288 pass
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()". Franz Glasner <fzglas.hg@dom66.de> parents: 364 diff changeset	289 else:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()". Franz Glasner <fzglas.hg@dom66.de> parents: 364 diff changeset	290 return self.substitute_variables_in_obj(obj)
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()". Franz Glasner <fzglas.hg@dom66.de> parents: 364 diff changeset	291 if default is _MARKER:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()". Franz Glasner <fzglas.hg@dom66.de> parents: 364 diff changeset	292 raise KeyError(
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()". Franz Glasner <fzglas.hg@dom66.de> parents: 364 diff changeset	293 "none of the given variables found: %r" % (varnames,))
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()". Franz Glasner <fzglas.hg@dom66.de> parents: 364 diff changeset	294 else:
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()". Franz Glasner <fzglas.hg@dom66.de> parents: 364 diff changeset	295 return default
4ee53f6fcac1 Implement ".getfirstvar()" and ".getfirstvar_s()". Franz Glasner <fzglas.hg@dom66.de> parents: 364 diff changeset	296
382 24db29162d09 Renamed "names" arguments into the more proper "path" Franz Glasner <fzglas.hg@dom66.de> parents: 381 diff changeset	297 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	298 """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	299 number.
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s Franz Glasner <fzglas.hg@dom66.de> parents: 311 diff changeset	300
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s Franz Glasner <fzglas.hg@dom66.de> parents: 311 diff changeset	301 """
382 24db29162d09 Renamed "names" arguments into the more proper "path" Franz Glasner <fzglas.hg@dom66.de> parents: 381 diff changeset	302 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	303 if isinstance(s, self._TEXTTYPE):
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s Franz Glasner <fzglas.hg@dom66.de> parents: 311 diff changeset	304 return int(s, 0)
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s Franz Glasner <fzglas.hg@dom66.de> parents: 311 diff changeset	305 else:
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s Franz Glasner <fzglas.hg@dom66.de> parents: 311 diff changeset	306 return s
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s Franz Glasner <fzglas.hg@dom66.de> parents: 311 diff changeset	307
384 8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 383 diff changeset	308 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	309 """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	310 number.
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 383 diff changeset	311
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 383 diff changeset	312 """
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 383 diff changeset	313 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	314 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	315 return int(s, 0)
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 383 diff changeset	316 else:
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 383 diff changeset	317 return s
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 383 diff changeset	318
36 b04a350f894b Implement methods to convert text to other types when getting configuration variables. Franz Glasner <hg@dom66.de> parents: 29 diff changeset	319 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	320 """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	321 number.
b04a350f894b Implement methods to convert text to other types when getting configuration variables. Franz Glasner <hg@dom66.de> parents: 29 diff changeset	322
b04a350f894b Implement methods to convert text to other types when getting configuration variables. Franz Glasner <hg@dom66.de> parents: 29 diff changeset	323 """
314 043a6412be3c Implemented new access methods .getvarl() and .getvarl_s Franz Glasner <fzglas.hg@dom66.de> parents: 311 diff changeset	324 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	325 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	326 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	327 else:
b04a350f894b Implement methods to convert text to other types when getting configuration variables. Franz Glasner <hg@dom66.de> parents: 29 diff changeset	328 return s
b04a350f894b Implement methods to convert text to other types when getting configuration variables. Franz Glasner <hg@dom66.de> parents: 29 diff changeset	329
373 0c65aac81807 Implement ".getfirstintvar_s()" and ".getfirstboolvar_s()" with unittests Franz Glasner <fzglas.hg@dom66.de> parents: 368 diff changeset	330 def getfirstintvar_s(self, varnames, *kwds):
374 4d7ad20cb8f9 FIX: Doc strings Franz Glasner <fzglas.hg@dom66.de> parents: 373 diff changeset	331 """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	332 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	333
0c65aac81807 Implement ".getfirstintvar_s()" and ".getfirstboolvar_s()" with unittests Franz Glasner <fzglas.hg@dom66.de> parents: 368 diff changeset	334 """
0c65aac81807 Implement ".getfirstintvar_s()" and ".getfirstboolvar_s()" with unittests Franz Glasner <fzglas.hg@dom66.de> parents: 368 diff changeset	335 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	336 if isinstance(s, self._TEXTTYPE):
0c65aac81807 Implement ".getfirstintvar_s()" and ".getfirstboolvar_s()" with unittests Franz Glasner <fzglas.hg@dom66.de> parents: 368 diff changeset	337 return int(s, 0)
0c65aac81807 Implement ".getfirstintvar_s()" and ".getfirstboolvar_s()" with unittests Franz Glasner <fzglas.hg@dom66.de> parents: 368 diff changeset	338 else:
0c65aac81807 Implement ".getfirstintvar_s()" and ".getfirstboolvar_s()" with unittests Franz Glasner <fzglas.hg@dom66.de> parents: 368 diff changeset	339 return s
0c65aac81807 Implement ".getfirstintvar_s()" and ".getfirstboolvar_s()" with unittests Franz Glasner <fzglas.hg@dom66.de> parents: 368 diff changeset	340
382 24db29162d09 Renamed "names" arguments into the more proper "path" Franz Glasner <fzglas.hg@dom66.de> parents: 381 diff changeset	341 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	342 """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	343 boolean
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s Franz Glasner <fzglas.hg@dom66.de> parents: 311 diff changeset	344
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s Franz Glasner <fzglas.hg@dom66.de> parents: 311 diff changeset	345 """
382 24db29162d09 Renamed "names" arguments into the more proper "path" Franz Glasner <fzglas.hg@dom66.de> parents: 381 diff changeset	346 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	347 if isinstance(s, self._TEXTTYPE):
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s Franz Glasner <fzglas.hg@dom66.de> parents: 311 diff changeset	348 sl = s.strip().lower()
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s Franz Glasner <fzglas.hg@dom66.de> parents: 311 diff changeset	349 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	350 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	351 return self._BOOL_CVT[sl]
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s Franz Glasner <fzglas.hg@dom66.de> parents: 311 diff changeset	352 else:
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s Franz Glasner <fzglas.hg@dom66.de> parents: 311 diff changeset	353 return s
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s Franz Glasner <fzglas.hg@dom66.de> parents: 311 diff changeset	354
384 8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 383 diff changeset	355 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	356 """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	357 boolean
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 383 diff changeset	358
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 383 diff changeset	359 """
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 383 diff changeset	360 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	361 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	362 sl = s.strip().lower()
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 383 diff changeset	363 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	364 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	365 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	366 else:
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 383 diff changeset	367 return s
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 383 diff changeset	368
36 b04a350f894b Implement methods to convert text to other types when getting configuration variables. Franz Glasner <hg@dom66.de> parents: 29 diff changeset	369 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	370 """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	371 boolean
b04a350f894b Implement methods to convert text to other types when getting configuration variables. Franz Glasner <hg@dom66.de> parents: 29 diff changeset	372
b04a350f894b Implement methods to convert text to other types when getting configuration variables. Franz Glasner <hg@dom66.de> parents: 29 diff changeset	373 """
314 043a6412be3c Implemented new access methods .getvarl() and .getvarl_s Franz Glasner <fzglas.hg@dom66.de> parents: 311 diff changeset	374 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	375 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	376 sl = s.strip().lower()
207 b3b5ed34d180 Handle most flake8 errors and warnings. Franz Glasner <fzglas.hg@dom66.de> parents: 202 diff changeset	377 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	378 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	379 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	380 else:
b04a350f894b Implement methods to convert text to other types when getting configuration variables. Franz Glasner <hg@dom66.de> parents: 29 diff changeset	381 return s
b04a350f894b Implement methods to convert text to other types when getting configuration variables. Franz Glasner <hg@dom66.de> parents: 29 diff changeset	382
373 0c65aac81807 Implement ".getfirstintvar_s()" and ".getfirstboolvar_s()" with unittests Franz Glasner <fzglas.hg@dom66.de> parents: 368 diff changeset	383 def getfirstboolvar_s(self, varnames, *kwds):
374 4d7ad20cb8f9 FIX: Doc strings Franz Glasner <fzglas.hg@dom66.de> parents: 373 diff changeset	384 """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	385 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	386
0c65aac81807 Implement ".getfirstintvar_s()" and ".getfirstboolvar_s()" with unittests Franz Glasner <fzglas.hg@dom66.de> parents: 368 diff changeset	387 """
0c65aac81807 Implement ".getfirstintvar_s()" and ".getfirstboolvar_s()" with unittests Franz Glasner <fzglas.hg@dom66.de> parents: 368 diff changeset	388 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	389 if isinstance(s, self._TEXTTYPE):
0c65aac81807 Implement ".getfirstintvar_s()" and ".getfirstboolvar_s()" with unittests Franz Glasner <fzglas.hg@dom66.de> parents: 368 diff changeset	390 sl = s.strip().lower()
0c65aac81807 Implement ".getfirstintvar_s()" and ".getfirstboolvar_s()" with unittests Franz Glasner <fzglas.hg@dom66.de> parents: 368 diff changeset	391 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	392 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	393 return self._BOOL_CVT[sl]
0c65aac81807 Implement ".getfirstintvar_s()" and ".getfirstboolvar_s()" with unittests Franz Glasner <fzglas.hg@dom66.de> parents: 368 diff changeset	394 else:
0c65aac81807 Implement ".getfirstintvar_s()" and ".getfirstboolvar_s()" with unittests Franz Glasner <fzglas.hg@dom66.de> parents: 368 diff changeset	395 return s
0c65aac81807 Implement ".getfirstintvar_s()" and ".getfirstboolvar_s()" with unittests Franz Glasner <fzglas.hg@dom66.de> parents: 368 diff changeset	396
36 b04a350f894b Implement methods to convert text to other types when getting configuration variables. Franz Glasner <hg@dom66.de> parents: 29 diff changeset	397 # 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	398 _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	399 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	400 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	401 }
36 b04a350f894b Implement methods to convert text to other types when getting configuration variables. Franz Glasner <hg@dom66.de> parents: 29 diff changeset	402
382 24db29162d09 Renamed "names" arguments into the more proper "path" Franz Glasner <fzglas.hg@dom66.de> parents: 381 diff changeset	403 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	404 """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	405 float
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s Franz Glasner <fzglas.hg@dom66.de> parents: 311 diff changeset	406
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s Franz Glasner <fzglas.hg@dom66.de> parents: 311 diff changeset	407 """
382 24db29162d09 Renamed "names" arguments into the more proper "path" Franz Glasner <fzglas.hg@dom66.de> parents: 381 diff changeset	408 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	409 if isinstance(s, self._TEXTTYPE):
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s Franz Glasner <fzglas.hg@dom66.de> parents: 311 diff changeset	410 return float(s)
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s Franz Glasner <fzglas.hg@dom66.de> parents: 311 diff changeset	411 else:
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s Franz Glasner <fzglas.hg@dom66.de> parents: 311 diff changeset	412 return s
043a6412be3c Implemented new access methods .getvarl() and .getvarl_s Franz Glasner <fzglas.hg@dom66.de> parents: 311 diff changeset	413
384 8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 383 diff changeset	414 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	415 """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	416 float
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 383 diff changeset	417
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 383 diff changeset	418 """
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 383 diff changeset	419 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	420 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	421 return float(s)
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 383 diff changeset	422 else:
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 383 diff changeset	423 return s
8c3aaa894089 Implemented Configuration.getfirstintvarl_s(), .getfirstboolvar_s() and .getfirstfloatvarl_s() Franz Glasner <fzglas.hg@dom66.de> parents: 383 diff changeset	424
36 b04a350f894b Implement methods to convert text to other types when getting configuration variables. Franz Glasner <hg@dom66.de> parents: 29 diff changeset	425 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	426 """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	427 float
b04a350f894b Implement methods to convert text to other types when getting configuration variables. Franz Glasner <hg@dom66.de> parents: 29 diff changeset	428
b04a350f894b Implement methods to convert text to other types when getting configuration variables. Franz Glasner <hg@dom66.de> parents: 29 diff changeset	429 """
b04a350f894b Implement methods to convert text to other types when getting configuration variables. Franz Glasner <hg@dom66.de> parents: 29 diff changeset	430 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	431 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	432 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	433 else:
b04a350f894b Implement methods to convert text to other types when getting configuration variables. Franz Glasner <hg@dom66.de> parents: 29 diff changeset	434 return s
b04a350f894b Implement methods to convert text to other types when getting configuration variables. Franz Glasner <hg@dom66.de> parents: 29 diff changeset	435
383 5c72da46b8ae Implemented Configuration.getfirstfloatvar_s(). Franz Glasner <fzglas.hg@dom66.de> parents: 382 diff changeset	436 def getfirstfloatvar_s(self, varname, default=_MARKER):
5c72da46b8ae Implemented Configuration.getfirstfloatvar_s(). Franz Glasner <fzglas.hg@dom66.de> parents: 382 diff changeset	437 """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	438 float
5c72da46b8ae Implemented Configuration.getfirstfloatvar_s(). Franz Glasner <fzglas.hg@dom66.de> parents: 382 diff changeset	439
5c72da46b8ae Implemented Configuration.getfirstfloatvar_s(). Franz Glasner <fzglas.hg@dom66.de> parents: 382 diff changeset	440 """
5c72da46b8ae Implemented Configuration.getfirstfloatvar_s(). Franz Glasner <fzglas.hg@dom66.de> parents: 382 diff changeset	441 s = self.getfirstvar_s(varname, default)
5c72da46b8ae Implemented Configuration.getfirstfloatvar_s(). Franz Glasner <fzglas.hg@dom66.de> parents: 382 diff changeset	442 if isinstance(s, self._TEXTTYPE):
5c72da46b8ae Implemented Configuration.getfirstfloatvar_s(). Franz Glasner <fzglas.hg@dom66.de> parents: 382 diff changeset	443 return float(s)
5c72da46b8ae Implemented Configuration.getfirstfloatvar_s(). Franz Glasner <fzglas.hg@dom66.de> parents: 382 diff changeset	444 else:
5c72da46b8ae Implemented Configuration.getfirstfloatvar_s(). Franz Glasner <fzglas.hg@dom66.de> parents: 382 diff changeset	445 return s
5c72da46b8ae Implemented Configuration.getfirstfloatvar_s(). Franz Glasner <fzglas.hg@dom66.de> parents: 382 diff changeset	446
16 f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	447 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	448 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	449 if len(nameparts) == 1:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	450 return (None, s, )
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	451 else:
329 d81d2cdf4925 FIX: Handle the unquoting of namespaces within Configuration.getvar() properly. Franz Glasner <fzglas.hg@dom66.de> parents: 326 diff changeset	452 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	453
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	454 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	455 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	456 if len(nameparts) == 1:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	457 return (s, [], )
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	458 else:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	459 return (nameparts[0].rstrip(), nameparts[1:], )
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	460
382 24db29162d09 Renamed "names" arguments into the more proper "path" Franz Glasner <fzglas.hg@dom66.de> parents: 381 diff changeset	461 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	462 """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	463
382 24db29162d09 Renamed "names" arguments into the more proper "path" Franz Glasner <fzglas.hg@dom66.de> parents: 381 diff changeset	464 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	465 else `default` is returned.
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	466 """
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	467 default = kwds.pop("default", _MARKER)
16 f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	468 try:
382 24db29162d09 Renamed "names" arguments into the more proper "path" Franz Glasner <fzglas.hg@dom66.de> parents: 381 diff changeset	469 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	470 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	471 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	472 except TypeError:
207 b3b5ed34d180 Handle most flake8 errors and warnings. Franz Glasner <fzglas.hg@dom66.de> parents: 202 diff changeset	473 raise KeyError(
b3b5ed34d180 Handle most flake8 errors and warnings. Franz Glasner <fzglas.hg@dom66.de> parents: 202 diff changeset	474 "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	475 "(missing intermediate keys?)" % (path,))
16 f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	476 except KeyError:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	477 if default is _MARKER:
314 043a6412be3c Implemented new access methods .getvarl() and .getvarl_s Franz Glasner <fzglas.hg@dom66.de> parents: 311 diff changeset	478 raise KeyError(
382 24db29162d09 Renamed "names" arguments into the more proper "path" Franz Glasner <fzglas.hg@dom66.de> parents: 381 diff changeset	479 "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	480 else:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	481 return default
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	482 return v
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	483
305 f529ca46dd50 Implemented the "ref" namespace to get configuration tree references. Franz Glasner <fzglas.hg@dom66.de> parents: 304 diff changeset	484 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	485 """
311 035b42a224ed Docu Franz Glasner <fzglas.hg@dom66.de> parents: 310 diff changeset	486
035b42a224ed Docu Franz Glasner <fzglas.hg@dom66.de> parents: 310 diff changeset	487 `key` must be a configuration reference URI without any
035b42a224ed Docu Franz Glasner <fzglas.hg@dom66.de> parents: 310 diff changeset	488 (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	489
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references. Franz Glasner <fzglas.hg@dom66.de> parents: 304 diff changeset	490 """
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references. Franz Glasner <fzglas.hg@dom66.de> parents: 304 diff changeset	491 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	492
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references. Franz Glasner <fzglas.hg@dom66.de> parents: 304 diff changeset	493 def expand_if_reference(self, v, default=_MARKER):
311 035b42a224ed Docu Franz Glasner <fzglas.hg@dom66.de> parents: 310 diff changeset	494 """Check whether `v` is a configuration reference and -- if true --
035b42a224ed Docu Franz Glasner <fzglas.hg@dom66.de> parents: 310 diff changeset	495 then expand it.
305 f529ca46dd50 Implemented the "ref" namespace to get configuration tree references. Franz Glasner <fzglas.hg@dom66.de> parents: 304 diff changeset	496
310 801cd16223e4 FIX: Docu Franz Glasner <fzglas.hg@dom66.de> parents: 305 diff changeset	497 `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	498
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references. Franz Glasner <fzglas.hg@dom66.de> parents: 304 diff changeset	499 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	500 unchanged.
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 """
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references. Franz Glasner <fzglas.hg@dom66.de> parents: 304 diff changeset	503 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	504 return v
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references. Franz Glasner <fzglas.hg@dom66.de> parents: 304 diff changeset	505 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	506 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	507 return v
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references. Franz Glasner <fzglas.hg@dom66.de> parents: 304 diff changeset	508 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	509 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	510 default=default)
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references. Franz Glasner <fzglas.hg@dom66.de> parents: 304 diff changeset	511
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references. Franz Glasner <fzglas.hg@dom66.de> parents: 304 diff changeset	512 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	513 pu = urlsplit(uri)
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references. Franz Glasner <fzglas.hg@dom66.de> parents: 304 diff changeset	514 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	515 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	516 if not pu.fragment:
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references. Franz Glasner <fzglas.hg@dom66.de> parents: 304 diff changeset	517 return self
f529ca46dd50 Implemented the "ref" namespace to get configuration tree references. Franz Glasner <fzglas.hg@dom66.de> parents: 304 diff changeset	518 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	519 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	520 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	521
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	522 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	523 """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	524 if isinstance(obj, self._TEXTTYPE):
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	525 # a string - really replace the value
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	526 return self.expand_variable(obj)
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	527 elif isinstance(obj, list):
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	528 return [self.substitute_variables_in_obj(i) for i in obj]
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	529 elif isinstance(obj, tuple):
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	530 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	531 return type(obj)(tmp)
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	532 elif isinstance(obj, dict):
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	533 newdict = type(obj)()
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	534 for k in obj:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	535 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	536 return newdict
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	537 elif isinstance(obj, set):
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	538 newset = type(obj)()
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	539 for i in obj:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	540 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	541 else:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	542 return obj
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	543
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	544 def expand_variable(self, s):
302 063099b188cd Docu Franz Glasner <fzglas.hg@dom66.de> parents: 296 diff changeset	545 """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	546 start = s.find(self._STARTTOK, 0)
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	547 while start != -1:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	548 end = s.find(self._ENDTOK, start)
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	549 if end < 0:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	550 return s
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	551 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	552 try:
357 dd454e1efea4 Use constants for the names of the "None" and "Empty" filters Franz Glasner <fzglas.hg@dom66.de> parents: 352 diff changeset	553 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	554 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	555 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	556 elif EMPTY_FILTER in filters:
352 2b209bdf6995 Implement the "Empty" filter. Franz Glasner <f.glasner@feldmann-mg.com> parents: 350 diff changeset	557 varvalue = self._apply_filters(
2b209bdf6995 Implement the "Empty" filter. Franz Glasner <f.glasner@feldmann-mg.com> parents: 350 diff changeset	558 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	559 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	560 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	561 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	562 except KeyError:
8715e5cc59ac Print a warning if a variable cannot be expanded. Franz Glasner <hg@dom66.de> parents: 36 diff changeset	563 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	564 "%r" % (varname, s, ),
8715e5cc59ac Print a warning if a variable cannot be expanded. Franz Glasner <hg@dom66.de> parents: 36 diff changeset	565 UserWarning,
8715e5cc59ac Print a warning if a variable cannot be expanded. Franz Glasner <hg@dom66.de> parents: 36 diff changeset	566 stacklevel=1)
8715e5cc59ac Print a warning if a variable cannot be expanded. Franz Glasner <hg@dom66.de> parents: 36 diff changeset	567 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	568 #
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	569 # 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	570 # 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	571 #
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	572 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	573 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	574 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	575 varvalue = u("")
249 1e38ccfba3de Use explicit type conversion instead of an implicit one. Franz Glasner <fzglas.hg@dom66.de> parents: 248 diff changeset	576 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	577 s = replaced + s[end+2:]
16 f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	578 # 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	579 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	580 return s
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	581
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	582 def _apply_filters(self, filters, value):
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	583 for name in filters:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	584 try:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	585 filterfn = lookup_filter(name)
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	586 except KeyError:
40 8d66aef2f7fb Comment about exceptions when filters are missing. Franz Glasner <hg@dom66.de> parents: 39 diff changeset	587 #
8d66aef2f7fb Comment about exceptions when filters are missing. Franz Glasner <hg@dom66.de> parents: 39 diff changeset	588 # 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	589 # a very serious error.
8d66aef2f7fb Comment about exceptions when filters are missing. Franz Glasner <hg@dom66.de> parents: 39 diff changeset	590 #
16 f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	591 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	592 else:
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	593 value = filterfn(self, value)
f85dc4677c01 Implemented the real configuration dictionary with attribute access or Franz Glasner <hg@dom66.de> parents: diff changeset	594 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	595
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	596 @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	597 def quote(klass, s):
333 5ec0ae3bb8db Docs: quoting Franz Glasner <fzglas.hg@dom66.de> parents: 329 diff changeset	598 """Replace important special characters in string `s` by replacing
5ec0ae3bb8db Docs: quoting Franz Glasner <fzglas.hg@dom66.de> parents: 329 diff changeset	599 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	600 characters unicode codepoint value.
5ec0ae3bb8db Docs: quoting Franz Glasner <fzglas.hg@dom66.de> parents: 329 diff changeset	601
5ec0ae3bb8db Docs: quoting Franz Glasner <fzglas.hg@dom66.de> parents: 329 diff changeset	602 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	603 ``#``; ``'``, ``"``, ``\|``, ``{``, ``}``, ``[`` and ``]``.
333 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 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	606
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	607 """
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	608 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	609 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	610 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	611 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	612 s = s.replace(klass._COMMENT, qc + "x23")
326 b7abfbfe806d By default quote '"' and "'" also Franz Glasner <fzglas.hg@dom66.de> parents: 325 diff changeset	613 s = s.replace(klass._FILTER_SEPARATOR, qc + "x7c")
b7abfbfe806d By default quote '"' and "'" also Franz Glasner <fzglas.hg@dom66.de> parents: 325 diff changeset	614 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	615 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	616 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	617 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	618 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	619 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	620
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	621 @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	622 def unquote(klass, s):
333 5ec0ae3bb8db Docs: quoting Franz Glasner <fzglas.hg@dom66.de> parents: 329 diff changeset	623 """Unquote the content of `s`: handle all patterns ``%xNN``,
5ec0ae3bb8db Docs: quoting Franz Glasner <fzglas.hg@dom66.de> parents: 329 diff changeset	624 ``%uNNNN`` or ``%UNNNNNNNN``.
5ec0ae3bb8db Docs: quoting Franz Glasner <fzglas.hg@dom66.de> parents: 329 diff changeset	625
5ec0ae3bb8db Docs: quoting Franz Glasner <fzglas.hg@dom66.de> parents: 329 diff changeset	626 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	627
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	628 """
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	629 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	630 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	631 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	632 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	633 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	634 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	635 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	636 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	637 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	638 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	639 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	640 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	641 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	642 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	643 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	644 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	645 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	646 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	647 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	648 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	649 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	650 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	651 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	652 return ''.join(res)
395 0b3ffc34fa5c Begin a jailed configuration with access to a sub-tree of the original configuration Franz Glasner <f.glasner@feldmann-mg.com> parents: 389 diff changeset	653
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	654 def jailed(self, rootpath=None, root=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	655 """Return a "jailed" configuration.
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	656
397 88239f28415c Docs Franz Glasner <fzglas.hg@dom66.de> parents: 396 diff changeset	657 :return: a jailed (aka restricted) configuration
88239f28415c Docs Franz Glasner <fzglas.hg@dom66.de> parents: 396 diff changeset	658 :rtype: _JailedConfiguration
88239f28415c Docs Franz Glasner <fzglas.hg@dom66.de> parents: 396 diff changeset	659
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	660 """
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	661 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	662 raise ValueError("only one of `rootpath' or `root' can be given")
0b3ffc34fa5c Begin a jailed configuration with access to a sub-tree of the original configuration Franz Glasner <f.glasner@feldmann-mg.com> parents: 389 diff changeset	663 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	664 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	665 if root is not None:
0b3ffc34fa5c Begin a jailed configuration with access to a sub-tree of the original configuration Franz Glasner <f.glasner@feldmann-mg.com> parents: 389 diff changeset	666 # convert to path
0b3ffc34fa5c Begin a jailed configuration with access to a sub-tree of the original configuration Franz Glasner <f.glasner@feldmann-mg.com> parents: 389 diff changeset	667 varns, varname = self._split_ns(root)
0b3ffc34fa5c Begin a jailed configuration with access to a sub-tree of the original configuration Franz Glasner <f.glasner@feldmann-mg.com> parents: 389 diff changeset	668 if varns:
0b3ffc34fa5c Begin a jailed configuration with access to a sub-tree of the original configuration Franz Glasner <f.glasner@feldmann-mg.com> parents: 389 diff changeset	669 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	670 "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	671 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	672 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	673 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	674 ]
396 a50f8fb16b05 Style Franz Glasner <fzglas.hg@dom66.de> parents: 395 diff changeset	675
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	676 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	677
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	678
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	679 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	680
397 88239f28415c Docs Franz Glasner <fzglas.hg@dom66.de> parents: 396 diff changeset	681 """A jailed and restricted variant of :class:`Configuration`.
88239f28415c Docs Franz Glasner <fzglas.hg@dom66.de> parents: 396 diff changeset	682
88239f28415c Docs Franz Glasner <fzglas.hg@dom66.de> parents: 396 diff changeset	683 No namespace support.
88239f28415c Docs Franz Glasner <fzglas.hg@dom66.de> parents: 396 diff changeset	684
88239f28415c Docs Franz Glasner <fzglas.hg@dom66.de> parents: 396 diff changeset	685 """
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	686
396 a50f8fb16b05 Style Franz Glasner <fzglas.hg@dom66.de> parents: 395 diff changeset	687 __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	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 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	690 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	691 self._base = config
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	692 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	693 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	694 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	695 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	696 [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	697 + 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	698 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	699 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	700 #
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	701 # 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	702 # 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	703 #
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	704 if self._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	705 self._base.getvarl(*self._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	706
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	707 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	708 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	709
398 b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s Franz Glasner <fzglas.hg@dom66.de> parents: 397 diff changeset	710 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	711 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	712 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	713 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	714 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	715 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	716 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	717 "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	718 else:
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s Franz Glasner <fzglas.hg@dom66.de> parents: 397 diff changeset	719 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	720 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	721
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	722 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	723 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	724
398 b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s Franz Glasner <fzglas.hg@dom66.de> parents: 397 diff changeset	725 def getfirstvarl_s(self, paths, *kwds):
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s Franz Glasner <fzglas.hg@dom66.de> parents: 397 diff changeset	726 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	727 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	728 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	729 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	730 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	731 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	732 "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	733 else:
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s Franz Glasner <fzglas.hg@dom66.de> parents: 397 diff changeset	734 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	735 return self._base.getfirstvarl_s(real_paths, *kwds)
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s Franz Glasner <fzglas.hg@dom66.de> parents: 397 diff changeset	736
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	737 def getvar(self, varname, default=_MARKER):
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	738 return self._base.getvar(self._pathstr + varname, default=default)
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	739
398 b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s Franz Glasner <fzglas.hg@dom66.de> parents: 397 diff changeset	740 def getfirstvar(self, varnames, *kwds):
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s Franz Glasner <fzglas.hg@dom66.de> parents: 397 diff changeset	741 real_varnames = [self._pathstr + vn for vn in varnames]
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s Franz Glasner <fzglas.hg@dom66.de> parents: 397 diff changeset	742 return self._base.getfirstvar(real_varnames, *kwds)
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s Franz Glasner <fzglas.hg@dom66.de> parents: 397 diff changeset	743
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	744 def getvar_s(self, varname, default=_MARKER):
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	745 return self._base.getvar_s(self._pathstr + varname, default=default)
398 b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s Franz Glasner <fzglas.hg@dom66.de> parents: 397 diff changeset	746
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s Franz Glasner <fzglas.hg@dom66.de> parents: 397 diff changeset	747 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	748 real_varnames = [self._pathstr + vn for vn in varnames]
b1f82b853290 Jailed configuration: implement more methods: getfirstvarl, getfirstvarl_s, getfirstvar and getfirstvar_s Franz Glasner <fzglas.hg@dom66.de> parents: 397 diff changeset	749 return self._base.getfirstvar_s(real_varnames, *kwds)

Mercurial > hgrepos > Python > libs > ConfigMix

annotate configmix/config.py @ 398:b1f82b853290