Mercurial > cpython-lru_cache-weakref

annotate Lib/ConfigParser.py @ 27022:e2c88c451c19 legacy-trunk

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Replaced imp.set_frozenmodules() cruft with proper zipimport support. This work uncovered the zipimport bug in 2.3a1 -- wish I'd had time to do this before the release :-(.
author Just van Rossum <just@letterror.com>
date Thu, 02 Jan 2003 13:13:01 +0000
parents 776f270a6ea9
children 79303de9a05a
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1 """Configuration file parser.
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2
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3 A setup file consists of sections, lead by a "[section]" header,
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4 and followed by "name: value" entries, with continuations and such in
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5 the style of RFC 822.
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6
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7 The option values can contain format strings which refer to other values in
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8 the same section, or values in a special [DEFAULT] section.
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9
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10 For example:
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11
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12 something: %(dir)s/whatever
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14 would resolve the "%(dir)s" to the value of dir. All reference
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15 expansions are done late, on demand.
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16
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17 Intrinsic defaults can be specified by passing them into the
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18 ConfigParser constructor as a dictionary.
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20 class:
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22 ConfigParser -- responsible for for parsing a list of
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23 configuration files, and managing the parsed database.
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25 methods:
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26
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27 __init__(defaults=None)
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28 create the parser and specify a dictionary of intrinsic defaults. The
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29 keys must be strings, the values must be appropriate for %()s string
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30 interpolation. Note that `__name__' is always an intrinsic default;
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31 it's value is the section's name.
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33 sections()
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34 return all the configuration section names, sans DEFAULT
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35
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36 has_section(section)
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37 return whether the given section exists
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38
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39 has_option(section, option)
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40 return whether the given option exists in the given section
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41
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42 options(section)
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43 return list of configuration options for the named section
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44
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45 read(filenames)
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46 read and parse the list of named configuration files, given by
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47 name. A single filename is also allowed. Non-existing files
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48 are ignored.
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49
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50 readfp(fp, filename=None)
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51 read and parse one configuration file, given as a file object.
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52 The filename defaults to fp.name; it is only used in error
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53 messages (if fp has no `name' attribute, the string `<???>' is used).
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55 get(section, option, raw=False, vars=None)
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56 return a string value for the named option. All % interpolations are
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57 expanded in the return values, based on the defaults passed into the
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58 constructor and the DEFAULT section. Additional substitutions may be
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59 provided using the `vars' argument, which must be a dictionary whose
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60 contents override any pre-existing defaults.
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62 getint(section, options)
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63 like get(), but convert value to an integer
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65 getfloat(section, options)
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66 like get(), but convert value to a float
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67
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68 getboolean(section, options)
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69 like get(), but convert value to a boolean (currently case
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70 insensitively defined as 0, false, no, off for False, and 1, true,
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71 yes, on for True). Returns False or True.
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72
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73 items(section, raw=False, vars=None)
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74 return a list of tuples with (name, value) for each option
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75 in the section.
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76
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77 remove_section(section)
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78 remove the given file section and all its options
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79
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80 remove_option(section, option)
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81 remove the given option from the given section
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82
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83 set(section, option, value)
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84 set the given option
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86 write(fp)
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87 write the configuration state in .ini format
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88 """
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89
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90 import re
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91
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92 __all__ = ["NoSectionError", "DuplicateSectionError", "NoOptionError",
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93 "InterpolationError", "InterpolationDepthError",
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94 "InterpolationSyntaxError", "ParsingError",
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95 "MissingSectionHeaderError", "ConfigParser",
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96 "DEFAULTSECT", "MAX_INTERPOLATION_DEPTH"]
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97
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98 DEFAULTSECT = "DEFAULT"
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99
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100 MAX_INTERPOLATION_DEPTH = 10
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101
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103
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104 # exception classes
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105 class Error(Exception):
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106 """Base class for ConfigParser exceptions."""
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107
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108 def __init__(self, msg=''):
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109 self.message = msg
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110 Exception.__init__(self, msg)
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111
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112 def __repr__(self):
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113 return self.message
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114
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115 __str__ = __repr__
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116
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117 class NoSectionError(Error):
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118 """Raised when no section matches a requested option."""
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119
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120 def __init__(self, section):
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121 Error.__init__(self, 'No section: ' + `section`)
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122 self.section = section
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123
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124 class DuplicateSectionError(Error):
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125 """Raised when a section is multiply-created."""
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126
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127 def __init__(self, section):
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128 Error.__init__(self, "Section %r already exists" % section)
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129 self.section = section
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130
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131 class NoOptionError(Error):
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132 """A requested option was not found."""
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133
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134 def __init__(self, option, section):
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135 Error.__init__(self, "No option %r in section: %r" %
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diff changeset
136 (option, section))
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137 self.option = option
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138 self.section = section
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parents:
diff changeset
139
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parents:
diff changeset
140 class InterpolationError(Error):
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141 """Base class for interpolation-related exceptions."""
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diff changeset
142
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143 def __init__(self, option, section, msg):
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diff changeset
144 Error.__init__(self, msg)
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145 self.option = option
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diff changeset
146 self.section = section
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parents:
diff changeset
147
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diff changeset
148 class InterpolationMissingOptionError(InterpolationError):
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diff changeset
149 """A string substitution required a setting which was not available."""
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150
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151 def __init__(self, option, section, rawval, reference):
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diff changeset
152 msg = ("Bad value substitution:\n"
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153 "\tsection: [%s]\n"
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diff changeset
154 "\toption : %s\n"
776f270a6ea9 Further cleanup of exceptions. All interpolation-related exceptions
Fred Drake <fdrake@acm.org>
parents: 26927
diff changeset
155 "\tkey : %s\n"
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parents: 26927
diff changeset
156 "\trawval : %s\n"
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parents: 26927
diff changeset
157 % (section, option, reference, rawval))
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diff changeset
158 InterpolationError.__init__(self, option, section, msg)
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diff changeset
159 self.reference = reference
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diff changeset
160
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161 class InterpolationSyntaxError(InterpolationError):
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162 """Raised when the source text into which substitutions are made
074919715355 - added InterpolationSyntaxError to __all__
Fred Drake <fdrake@acm.org>
parents: 26907
diff changeset
163 does not conform to the required syntax."""
26907
ccba3b66d676 Add missing InterpolationSyntaxError.
Neal Norwitz <nnorwitz@gmail.com>
parents: 26685
diff changeset
164
26969
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165 class InterpolationDepthError(InterpolationError):
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diff changeset
166 """Raised when substitutions are nested too deeply."""
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167
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168 def __init__(self, option, section, rawval):
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diff changeset
169 msg = ("Value interpolation too deeply recursive:\n"
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170 "\tsection: [%s]\n"
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parents: 26927
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171 "\toption : %s\n"
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diff changeset
172 "\trawval : %s\n"
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parents: 26927
diff changeset
173 % (section, option, rawval))
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diff changeset
174 InterpolationError.__init__(self, option, section, msg)
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175
64f0c3188e70 Several changes:
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176 class ParsingError(Error):
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177 """Raised when a configuration file does not follow legal syntax."""
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178
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179 def __init__(self, filename):
64f0c3188e70 Several changes:
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180 Error.__init__(self, 'File contains parsing errors: %s' % filename)
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181 self.filename = filename
64f0c3188e70 Several changes:
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182 self.errors = []
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183
64f0c3188e70 Several changes:
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diff changeset
184 def append(self, lineno, line):
64f0c3188e70 Several changes:
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parents: 7755
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185 self.errors.append((lineno, line))
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diff changeset
186 self.message += '\n\t[line %2d]: %s' % (lineno, line)
8614
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187
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diff changeset
188 class MissingSectionHeaderError(ParsingError):
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diff changeset
189 """Raised when a key-value pair is found before any section header."""
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diff changeset
190
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diff changeset
191 def __init__(self, filename, lineno, line):
606a80834a86 Allow spaces in section names.
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diff changeset
192 Error.__init__(
606a80834a86 Allow spaces in section names.
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diff changeset
193 self,
606a80834a86 Allow spaces in section names.
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parents: 14840
diff changeset
194 'File contains no section headers.\nfile: %s, line: %d\n%s' %
606a80834a86 Allow spaces in section names.
Fred Drake <fdrake@acm.org>
parents: 14840
diff changeset
195 (filename, lineno, line))
606a80834a86 Allow spaces in section names.
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parents: 14840
diff changeset
196 self.filename = filename
606a80834a86 Allow spaces in section names.
Fred Drake <fdrake@acm.org>
parents: 14840
diff changeset
197 self.lineno = lineno
606a80834a86 Allow spaces in section names.
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parents: 14840
diff changeset
198 self.line = line
606a80834a86 Allow spaces in section names.
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parents: 14840
diff changeset
199
6795
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Guido van Rossum <guido@python.org>
parents:
diff changeset
200
15867
f5a3d98a35bc Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 15501
diff changeset
201
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
202 class RawConfigParser:
6795
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parents:
diff changeset
203 def __init__(self, defaults=None):
25908
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Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
204 self._sections = {}
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
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parents: 7165
diff changeset
205 if defaults is None:
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parents: 25462
diff changeset
206 self._defaults = {}
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
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parents: 7165
diff changeset
207 else:
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
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parents: 25462
diff changeset
208 self._defaults = defaults
6795
5b24cbb1f99b Checking in ConfigParser.py -- I don't see a reason why this can't be
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parents:
diff changeset
209
5b24cbb1f99b Checking in ConfigParser.py -- I don't see a reason why this can't be
Guido van Rossum <guido@python.org>
parents:
diff changeset
210 def defaults(self):
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df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
211 return self._defaults
6795
5b24cbb1f99b Checking in ConfigParser.py -- I don't see a reason why this can't be
Guido van Rossum <guido@python.org>
parents:
diff changeset
212
5b24cbb1f99b Checking in ConfigParser.py -- I don't see a reason why this can't be
Guido van Rossum <guido@python.org>
parents:
diff changeset
213 def sections(self):
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
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parents: 7165
diff changeset
214 """Return a list of section names, excluding [DEFAULT]"""
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
215 # self._sections will never have [DEFAULT] in it
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
216 return self._sections.keys()
6795
5b24cbb1f99b Checking in ConfigParser.py -- I don't see a reason why this can't be
Guido van Rossum <guido@python.org>
parents:
diff changeset
217
5b24cbb1f99b Checking in ConfigParser.py -- I don't see a reason why this can't be
Guido van Rossum <guido@python.org>
parents:
diff changeset
218 def add_section(self, section):
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
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parents: 7165
diff changeset
219 """Create a new section in the configuration.
6795
5b24cbb1f99b Checking in ConfigParser.py -- I don't see a reason why this can't be
Guido van Rossum <guido@python.org>
parents:
diff changeset
220
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
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parents: 7165
diff changeset
221 Raise DuplicateSectionError if a section by the specified name
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
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parents: 7165
diff changeset
222 already exists.
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
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parents: 7165
diff changeset
223 """
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
224 if section in self._sections:
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
225 raise DuplicateSectionError(section)
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
226 self._sections[section] = {}
6795
5b24cbb1f99b Checking in ConfigParser.py -- I don't see a reason why this can't be
Guido van Rossum <guido@python.org>
parents:
diff changeset
227
5b24cbb1f99b Checking in ConfigParser.py -- I don't see a reason why this can't be
Guido van Rossum <guido@python.org>
parents:
diff changeset
228 def has_section(self, section):
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
229 """Indicate whether the named section is present in the configuration.
6795
5b24cbb1f99b Checking in ConfigParser.py -- I don't see a reason why this can't be
Guido van Rossum <guido@python.org>
parents:
diff changeset
230
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
231 The DEFAULT section is not acknowledged.
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
232 """
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
233 return section in self._sections
6795
5b24cbb1f99b Checking in ConfigParser.py -- I don't see a reason why this can't be
Guido van Rossum <guido@python.org>
parents:
diff changeset
234
5b24cbb1f99b Checking in ConfigParser.py -- I don't see a reason why this can't be
Guido van Rossum <guido@python.org>
parents:
diff changeset
235 def options(self, section):
11370
41990bce023a Added has_option(); fix bug in get() which botched interpolation if
Guido van Rossum <guido@python.org>
parents: 11369
diff changeset
236 """Return a list of option names for the given section name."""
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
237 try:
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
238 opts = self._sections[section].copy()
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
239 except KeyError:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
240 raise NoSectionError(section)
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
241 opts.update(self._defaults)
23620
a1de0bab5475 SF 563203. Replaced 'has_key()' with 'in'.
Raymond Hettinger <python@rcn.com>
parents: 23611
diff changeset
242 if '__name__' in opts:
14899
606a80834a86 Allow spaces in section names.
Fred Drake <fdrake@acm.org>
parents: 14840
diff changeset
243 del opts['__name__']
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
244 return opts.keys()
6795
5b24cbb1f99b Checking in ConfigParser.py -- I don't see a reason why this can't be
Guido van Rossum <guido@python.org>
parents:
diff changeset
245
5b24cbb1f99b Checking in ConfigParser.py -- I don't see a reason why this can't be
Guido van Rossum <guido@python.org>
parents:
diff changeset
246 def read(self, filenames):
11369
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
247 """Read and parse a filename or a list of filenames.
15867
f5a3d98a35bc Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 15501
diff changeset
248
11369
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
249 Files that cannot be opened are silently ignored; this is
11381
4ad14e4dc7e5 fixed a typo in a docstring, and slightly expanded the module
Barry Warsaw <barry@python.org>
parents: 11370
diff changeset
250 designed so that you can specify a list of potential
11369
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
251 configuration file locations (e.g. current directory, user's
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
252 home directory, systemwide directory), and all existing
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
253 configuration files in the list will be read. A single
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
254 filename may also be given.
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
255 """
23645
e1e90b0f1f45 Remove uses of the string and types modules:
Walter Dörwald <walter@livinglogic.de>
parents: 23620
diff changeset
256 if isinstance(filenames, basestring):
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
257 filenames = [filenames]
11369
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
258 for filename in filenames:
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
259 try:
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
260 fp = open(filename)
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
261 except IOError:
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
262 continue
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
263 self._read(fp, filename)
11368
b9bbe88d9554 ConfigParser.read(): Don't mask IOError exceptions.
Fred Drake <fdrake@acm.org>
parents: 11007
diff changeset
264 fp.close()
6795
5b24cbb1f99b Checking in ConfigParser.py -- I don't see a reason why this can't be
Guido van Rossum <guido@python.org>
parents:
diff changeset
265
11369
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
266 def readfp(self, fp, filename=None):
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
267 """Like read() but the argument must be a file-like object.
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
268
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
269 The `fp' argument must have a `readline' method. Optional
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
270 second argument is the `filename', which if not given, is
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
271 taken from fp.name. If fp has no `name' attribute, `<???>' is
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
272 used.
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
273
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
274 """
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
275 if filename is None:
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
276 try:
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
277 filename = fp.name
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
278 except AttributeError:
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
279 filename = '<???>'
25908
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diff changeset
280 self._read(fp, filename)
6795
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parents:
diff changeset
281
25908
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diff changeset
282 def get(self, section, option):
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
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parents: 25462
diff changeset
283 opt = self.optionxform(option)
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
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parents: 25462
diff changeset
284 if section not in self._sections:
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
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parents: 25462
diff changeset
285 if section != DEFAULTSECT:
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parents: 25462
diff changeset
286 raise NoSectionError(section)
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
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parents: 25462
diff changeset
287 if opt in self._defaults:
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
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parents: 25462
diff changeset
288 return self._defaults[opt]
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
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parents: 25462
diff changeset
289 else:
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
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parents: 25462
diff changeset
290 raise NoOptionError(option, section)
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
291 elif opt in self._sections[section]:
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
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parents: 25462
diff changeset
292 return self._sections[section][opt]
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
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parents: 25462
diff changeset
293 elif opt in self._defaults:
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
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parents: 25462
diff changeset
294 return self._defaults[opt]
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
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parents: 25462
diff changeset
295 else:
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
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parents: 25462
diff changeset
296 raise NoOptionError(option, section)
6795
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parents:
diff changeset
297
25908
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parents: 25462
diff changeset
298 def items(self, section):
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
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parents: 7165
diff changeset
299 try:
25908
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parents: 25462
diff changeset
300 d2 = self._sections[section]
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
301 except KeyError:
25459
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
302 if section != DEFAULTSECT:
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
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parents: 7165
diff changeset
303 raise NoSectionError(section)
25916
8bb6003f7f54 According to the docs, __name__ is not exposed via the API except
Fred Drake <fdrake@acm.org>
parents: 25908
diff changeset
304 d2 = {}
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
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parents: 25462
diff changeset
305 d = self._defaults.copy()
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
306 d.update(d2)
25916
8bb6003f7f54 According to the docs, __name__ is not exposed via the API except
Fred Drake <fdrake@acm.org>
parents: 25908
diff changeset
307 if "__name__" in d:
8bb6003f7f54 According to the docs, __name__ is not exposed via the API except
Fred Drake <fdrake@acm.org>
parents: 25908
diff changeset
308 del d["__name__"]
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
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parents: 25462
diff changeset
309 return d.items()
25461
09551c6da299 items(): New method, provided by Gustavo Niemeyer in SF bug #545096.
Fred Drake <fdrake@acm.org>
parents: 25459
diff changeset
310
25908
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parents: 25462
diff changeset
311 def _get(self, section, conv, option):
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
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parents: 7165
diff changeset
312 return conv(self.get(section, option))
6795
5b24cbb1f99b Checking in ConfigParser.py -- I don't see a reason why this can't be
Guido van Rossum <guido@python.org>
parents:
diff changeset
313
5b24cbb1f99b Checking in ConfigParser.py -- I don't see a reason why this can't be
Guido van Rossum <guido@python.org>
parents:
diff changeset
314 def getint(self, section, option):
25908
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parents: 25462
diff changeset
315 return self._get(section, int, option)
6795
5b24cbb1f99b Checking in ConfigParser.py -- I don't see a reason why this can't be
Guido van Rossum <guido@python.org>
parents:
diff changeset
316
5b24cbb1f99b Checking in ConfigParser.py -- I don't see a reason why this can't be
Guido van Rossum <guido@python.org>
parents:
diff changeset
317 def getfloat(self, section, option):
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
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parents: 25462
diff changeset
318 return self._get(section, float, option)
6795
5b24cbb1f99b Checking in ConfigParser.py -- I don't see a reason why this can't be
Guido van Rossum <guido@python.org>
parents:
diff changeset
319
25459
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
320 _boolean_states = {'1': True, 'yes': True, 'true': True, 'on': True,
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
321 '0': False, 'no': False, 'false': False, 'off': False}
d07f8db3db41 has_option(): Use the option name transform consistently.
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parents: 23645
diff changeset
322
6795
5b24cbb1f99b Checking in ConfigParser.py -- I don't see a reason why this can't be
Guido van Rossum <guido@python.org>
parents:
diff changeset
323 def getboolean(self, section, option):
20547
a12ccdbce8da Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 20261
diff changeset
324 v = self.get(section, option)
25459
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
325 if v.lower() not in self._boolean_states:
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
326 raise ValueError, 'Not a boolean: %s' % v
25459
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
327 return self._boolean_states[v.lower()]
6795
5b24cbb1f99b Checking in ConfigParser.py -- I don't see a reason why this can't be
Guido van Rossum <guido@python.org>
parents:
diff changeset
328
11007
b9f55cc10ab3 Patch suggested (and partially provided) by Lars Damerow: instead of
Guido van Rossum <guido@python.org>
parents: 10145
diff changeset
329 def optionxform(self, optionstr):
16480
e97217f5b323 String method conversion.
Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
330 return optionstr.lower()
11007
b9f55cc10ab3 Patch suggested (and partially provided) by Lars Damerow: instead of
Guido van Rossum <guido@python.org>
parents: 10145
diff changeset
331
13521
4dbc75c189bc Give ConfigParser the capability to set as well as read options, and to write
Eric S. Raymond <esr@thyrsus.com>
parents: 12632
diff changeset
332 def has_option(self, section, option):
4dbc75c189bc Give ConfigParser the capability to set as well as read options, and to write
Eric S. Raymond <esr@thyrsus.com>
parents: 12632
diff changeset
333 """Check for the existence of a given option in a given section."""
25459
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
334 if not section or section == DEFAULTSECT:
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
335 option = self.optionxform(option)
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
336 return option in self._defaults
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
337 elif section not in self._sections:
26685
a20cb5abab6b Update doc for getboolean() to match code (ie, returning True/False)
Neal Norwitz <nnorwitz@gmail.com>
parents: 26126
diff changeset
338 return False
13521
4dbc75c189bc Give ConfigParser the capability to set as well as read options, and to write
Eric S. Raymond <esr@thyrsus.com>
parents: 12632
diff changeset
339 else:
16771
b235160f1346 Make sure ConfigParser uses .optionxform() consistently; this affects
Fred Drake <fdrake@acm.org>
parents: 16594
diff changeset
340 option = self.optionxform(option)
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
341 return (option in self._sections[section]
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
342 or option in self._defaults)
13521
4dbc75c189bc Give ConfigParser the capability to set as well as read options, and to write
Eric S. Raymond <esr@thyrsus.com>
parents: 12632
diff changeset
343
4dbc75c189bc Give ConfigParser the capability to set as well as read options, and to write
Eric S. Raymond <esr@thyrsus.com>
parents: 12632
diff changeset
344 def set(self, section, option, value):
4dbc75c189bc Give ConfigParser the capability to set as well as read options, and to write
Eric S. Raymond <esr@thyrsus.com>
parents: 12632
diff changeset
345 """Set an option."""
25459
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
346 if not section or section == DEFAULTSECT:
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
347 sectdict = self._defaults
13521
4dbc75c189bc Give ConfigParser the capability to set as well as read options, and to write
Eric S. Raymond <esr@thyrsus.com>
parents: 12632
diff changeset
348 else:
4dbc75c189bc Give ConfigParser the capability to set as well as read options, and to write
Eric S. Raymond <esr@thyrsus.com>
parents: 12632
diff changeset
349 try:
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
350 sectdict = self._sections[section]
13521
4dbc75c189bc Give ConfigParser the capability to set as well as read options, and to write
Eric S. Raymond <esr@thyrsus.com>
parents: 12632
diff changeset
351 except KeyError:
4dbc75c189bc Give ConfigParser the capability to set as well as read options, and to write
Eric S. Raymond <esr@thyrsus.com>
parents: 12632
diff changeset
352 raise NoSectionError(section)
25459
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
353 sectdict[self.optionxform(option)] = value
13521
4dbc75c189bc Give ConfigParser the capability to set as well as read options, and to write
Eric S. Raymond <esr@thyrsus.com>
parents: 12632
diff changeset
354
4dbc75c189bc Give ConfigParser the capability to set as well as read options, and to write
Eric S. Raymond <esr@thyrsus.com>
parents: 12632
diff changeset
355 def write(self, fp):
4dbc75c189bc Give ConfigParser the capability to set as well as read options, and to write
Eric S. Raymond <esr@thyrsus.com>
parents: 12632
diff changeset
356 """Write an .ini-format representation of the configuration state."""
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
357 if self._defaults:
25459
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
358 fp.write("[%s]\n" % DEFAULTSECT)
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
359 for (key, value) in self._defaults.items():
22294
c6c1a5fbb6c1 I presume this should go here.
Michael W. Hudson <mwh@python.net>
parents: 20547
diff changeset
360 fp.write("%s = %s\n" % (key, str(value).replace('\n', '\n\t')))
13521
4dbc75c189bc Give ConfigParser the capability to set as well as read options, and to write
Eric S. Raymond <esr@thyrsus.com>
parents: 12632
diff changeset
361 fp.write("\n")
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
362 for section in self._sections:
25459
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
363 fp.write("[%s]\n" % section)
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
364 for (key, value) in self._sections[section].items():
25459
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
365 if key != "__name__":
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
366 fp.write("%s = %s\n" %
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
367 (key, str(value).replace('\n', '\n\t')))
13521
4dbc75c189bc Give ConfigParser the capability to set as well as read options, and to write
Eric S. Raymond <esr@thyrsus.com>
parents: 12632
diff changeset
368 fp.write("\n")
4dbc75c189bc Give ConfigParser the capability to set as well as read options, and to write
Eric S. Raymond <esr@thyrsus.com>
parents: 12632
diff changeset
369
13650
3d6d218b673d Small fixes by Petru Paler (patch #100946) checked in with esr's approval.
Thomas Wouters <thomas@python.org>
parents: 13600
diff changeset
370 def remove_option(self, section, option):
13600
39f54b9a7f9c ConfigParser enhancements to edit existing configs, part 2
Eric S. Raymond <esr@thyrsus.com>
parents: 13521
diff changeset
371 """Remove an option."""
25459
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
372 if not section or section == DEFAULTSECT:
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
373 sectdict = self._defaults
13600
39f54b9a7f9c ConfigParser enhancements to edit existing configs, part 2
Eric S. Raymond <esr@thyrsus.com>
parents: 13521
diff changeset
374 else:
39f54b9a7f9c ConfigParser enhancements to edit existing configs, part 2
Eric S. Raymond <esr@thyrsus.com>
parents: 13521
diff changeset
375 try:
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
376 sectdict = self._sections[section]
13600
39f54b9a7f9c ConfigParser enhancements to edit existing configs, part 2
Eric S. Raymond <esr@thyrsus.com>
parents: 13521
diff changeset
377 except KeyError:
39f54b9a7f9c ConfigParser enhancements to edit existing configs, part 2
Eric S. Raymond <esr@thyrsus.com>
parents: 13521
diff changeset
378 raise NoSectionError(section)
16771
b235160f1346 Make sure ConfigParser uses .optionxform() consistently; this affects
Fred Drake <fdrake@acm.org>
parents: 16594
diff changeset
379 option = self.optionxform(option)
23620
a1de0bab5475 SF 563203. Replaced 'has_key()' with 'in'.
Raymond Hettinger <python@rcn.com>
parents: 23611
diff changeset
380 existed = option in sectdict
13600
39f54b9a7f9c ConfigParser enhancements to edit existing configs, part 2
Eric S. Raymond <esr@thyrsus.com>
parents: 13521
diff changeset
381 if existed:
15479
e98964bc2681 remove_option(): Use the right variable name for the option name!
Fred Drake <fdrake@acm.org>
parents: 14899
diff changeset
382 del sectdict[option]
13600
39f54b9a7f9c ConfigParser enhancements to edit existing configs, part 2
Eric S. Raymond <esr@thyrsus.com>
parents: 13521
diff changeset
383 return existed
39f54b9a7f9c ConfigParser enhancements to edit existing configs, part 2
Eric S. Raymond <esr@thyrsus.com>
parents: 13521
diff changeset
384
13650
3d6d218b673d Small fixes by Petru Paler (patch #100946) checked in with esr's approval.
Thomas Wouters <thomas@python.org>
parents: 13600
diff changeset
385 def remove_section(self, section):
13600
39f54b9a7f9c ConfigParser enhancements to edit existing configs, part 2
Eric S. Raymond <esr@thyrsus.com>
parents: 13521
diff changeset
386 """Remove a file section."""
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
387 existed = section in self._sections
25459
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
388 if existed:
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
389 del self._sections[section]
25459
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
390 return existed
13600
39f54b9a7f9c ConfigParser enhancements to edit existing configs, part 2
Eric S. Raymond <esr@thyrsus.com>
parents: 13521
diff changeset
391
8614
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
392 #
25459
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
393 # Regular expressions for parsing section headers and options.
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
394 #
11007
b9f55cc10ab3 Patch suggested (and partially provided) by Lars Damerow: instead of
Guido van Rossum <guido@python.org>
parents: 10145
diff changeset
395 SECTCRE = re.compile(
8614
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
396 r'\[' # [
16594
9ef978c6f039 Be much more permissive in what we accept in section names; there has been
Fred Drake <fdrake@acm.org>
parents: 16575
diff changeset
397 r'(?P<header>[^]]+)' # very permissive!
8614
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
398 r'\]' # ]
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
399 )
11007
b9f55cc10ab3 Patch suggested (and partially provided) by Lars Damerow: instead of
Guido van Rossum <guido@python.org>
parents: 10145
diff changeset
400 OPTCRE = re.compile(
25462
16e661970930 Allow internal whitespace in keys.
Fred Drake <fdrake@acm.org>
parents: 25461
diff changeset
401 r'(?P<option>[^:=\s][^:=]*)' # very permissive!
25459
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
402 r'\s*(?P<vi>[:=])\s*' # any number of space/tab,
8614
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
403 # followed by separator
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
404 # (either : or =), followed
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
405 # by any # space/tab
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
406 r'(?P<value>.*)$' # everything up to eol
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
407 )
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
408
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
409 def _read(self, fp, fpname):
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
410 """Parse a sectioned setup file.
6795
5b24cbb1f99b Checking in ConfigParser.py -- I don't see a reason why this can't be
Guido van Rossum <guido@python.org>
parents:
diff changeset
411
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
412 The sections in setup file contains a title line at the top,
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
413 indicated by a name in square brackets (`[]'), plus key/value
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
414 options lines, indicated by `name: value' format lines.
26078
53a3823448d9 Fix docstring typos
Andrew M. Kuchling <amk@amk.ca>
parents: 25918
diff changeset
415 Continuations are represented by an embedded newline then
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
416 leading whitespace. Blank lines, lines beginning with a '#',
26078
53a3823448d9 Fix docstring typos
Andrew M. Kuchling <amk@amk.ca>
parents: 25918
diff changeset
417 and just about everything else are ignored.
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
418 """
8614
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
419 cursect = None # None, or a dictionary
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
420 optname = None
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
421 lineno = 0
8614
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
422 e = None # None, or an exception
26685
a20cb5abab6b Update doc for getboolean() to match code (ie, returning True/False)
Neal Norwitz <nnorwitz@gmail.com>
parents: 26126
diff changeset
423 while True:
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
424 line = fp.readline()
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
425 if not line:
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
426 break
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
427 lineno = lineno + 1
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
428 # comment or blank line?
16480
e97217f5b323 String method conversion.
Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
429 if line.strip() == '' or line[0] in '#;':
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
430 continue
25462
16e661970930 Allow internal whitespace in keys.
Fred Drake <fdrake@acm.org>
parents: 25461
diff changeset
431 if line.split(None, 1)[0].lower() == 'rem' and line[0] in "rR":
16e661970930 Allow internal whitespace in keys.
Fred Drake <fdrake@acm.org>
parents: 25461
diff changeset
432 # no leading whitespace
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
433 continue
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
434 # continuation line?
25459
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
435 if line[0].isspace() and cursect is not None and optname:
16480
e97217f5b323 String method conversion.
Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
436 value = line.strip()
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
437 if value:
25459
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
438 cursect[optname] = "%s\n%s" % (cursect[optname], value)
8614
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
439 # a section header or option header?
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
440 else:
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
441 # is it a section header?
11007
b9f55cc10ab3 Patch suggested (and partially provided) by Lars Damerow: instead of
Guido van Rossum <guido@python.org>
parents: 10145
diff changeset
442 mo = self.SECTCRE.match(line)
8614
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
443 if mo:
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
444 sectname = mo.group('header')
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
445 if sectname in self._sections:
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
446 cursect = self._sections[sectname]
8614
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
447 elif sectname == DEFAULTSECT:
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
448 cursect = self._defaults
8614
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
449 else:
8853
bbe9d72bccda Time machine experiment. Use '__name__' as the special key (always
Barry Warsaw <barry@python.org>
parents: 8614
diff changeset
450 cursect = {'__name__': sectname}
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
451 self._sections[sectname] = cursect
8614
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
452 # So sections can't start with a continuation line
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
453 optname = None
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
454 # no section header in the file?
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
455 elif cursect is None:
11369
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
456 raise MissingSectionHeaderError(fpname, lineno, `line`)
8614
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
457 # an option line?
7755
fb4b4d069cc7 Mass check-in after untabifying all files that need it.
Guido van Rossum <guido@python.org>
parents: 7165
diff changeset
458 else:
11007
b9f55cc10ab3 Patch suggested (and partially provided) by Lars Damerow: instead of
Guido van Rossum <guido@python.org>
parents: 10145
diff changeset
459 mo = self.OPTCRE.match(line)
8614
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
460 if mo:
11873
7ed104c40db3 (Finally!) Changes related to the ConfigParser/INI-file topics
Fred Drake <fdrake@acm.org>
parents: 11381
diff changeset
461 optname, vi, optval = mo.group('option', 'vi', 'value')
11908
b975a056deb6 allow comments beginning with ; in key: value as well as key = value
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11875
diff changeset
462 if vi in ('=', ':') and ';' in optval:
11873
7ed104c40db3 (Finally!) Changes related to the ConfigParser/INI-file topics
Fred Drake <fdrake@acm.org>
parents: 11381
diff changeset
463 # ';' is a comment delimiter only if it follows
7ed104c40db3 (Finally!) Changes related to the ConfigParser/INI-file topics
Fred Drake <fdrake@acm.org>
parents: 11381
diff changeset
464 # a spacing character
16480
e97217f5b323 String method conversion.
Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
465 pos = optval.find(';')
25459
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
466 if pos != -1 and optval[pos-1].isspace():
11873
7ed104c40db3 (Finally!) Changes related to the ConfigParser/INI-file topics
Fred Drake <fdrake@acm.org>
parents: 11381
diff changeset
467 optval = optval[:pos]
16480
e97217f5b323 String method conversion.
Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
468 optval = optval.strip()
8614
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
469 # allow empty values
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
470 if optval == '""':
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
471 optval = ''
25462
16e661970930 Allow internal whitespace in keys.
Fred Drake <fdrake@acm.org>
parents: 25461
diff changeset
472 optname = self.optionxform(optname.rstrip())
25459
d07f8db3db41 has_option(): Use the option name transform consistently.
Fred Drake <fdrake@acm.org>
parents: 23645
diff changeset
473 cursect[optname] = optval
8614
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
474 else:
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
475 # a non-fatal parsing error occurred. set up the
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
476 # exception but keep going. the exception will be
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
477 # raised at the end of the file and will contain a
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
478 # list of all bogus lines
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
479 if not e:
11369
29ce956fa7b7 Urmpfh!
Guido van Rossum <guido@python.org>
parents: 11368
diff changeset
480 e = ParsingError(fpname)
8614
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
481 e.append(lineno, `line`)
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
482 # if any parsing errors occurred, raise an exception
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
483 if e:
64f0c3188e70 Several changes:
Barry Warsaw <barry@python.org>
parents: 7755
diff changeset
484 raise e
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
485
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
486
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
487 class ConfigParser(RawConfigParser):
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
488
26685
a20cb5abab6b Update doc for getboolean() to match code (ie, returning True/False)
Neal Norwitz <nnorwitz@gmail.com>
parents: 26126
diff changeset
489 def get(self, section, option, raw=False, vars=None):
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
490 """Get an option value for a given section.
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
491
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
492 All % interpolations are expanded in the return values, based on the
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
493 defaults passed into the constructor, unless the optional argument
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
494 `raw' is true. Additional substitutions may be provided using the
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
495 `vars' argument, which must be a dictionary whose contents overrides
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
496 any pre-existing defaults.
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
497
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
498 The section DEFAULT is special.
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
499 """
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
500 d = self._defaults.copy()
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
501 try:
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
502 d.update(self._sections[section])
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
503 except KeyError:
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
504 if section != DEFAULTSECT:
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
505 raise NoSectionError(section)
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
506 # Update with the entry specific variables
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
507 if vars is not None:
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
508 d.update(vars)
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
509 option = self.optionxform(option)
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
510 try:
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
511 value = d[option]
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
512 except KeyError:
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
513 raise NoOptionError(option, section)
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
514
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
515 if raw:
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
516 return value
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
517 else:
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
518 return self._interpolate(section, option, value, d)
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
519
26685
a20cb5abab6b Update doc for getboolean() to match code (ie, returning True/False)
Neal Norwitz <nnorwitz@gmail.com>
parents: 26126
diff changeset
520 def items(self, section, raw=False, vars=None):
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
521 """Return a list of tuples with (name, value) for each option
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
522 in the section.
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
523
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
524 All % interpolations are expanded in the return values, based on the
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
525 defaults passed into the constructor, unless the optional argument
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
526 `raw' is true. Additional substitutions may be provided using the
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
527 `vars' argument, which must be a dictionary whose contents overrides
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
528 any pre-existing defaults.
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
529
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
530 The section DEFAULT is special.
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
531 """
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
532 d = self._defaults.copy()
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
533 try:
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
534 d.update(self._sections[section])
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
535 except KeyError:
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
536 if section != DEFAULTSECT:
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
537 raise NoSectionError(section)
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
538 # Update with the entry specific variables
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
539 if vars:
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
540 d.update(vars)
25916
8bb6003f7f54 According to the docs, __name__ is not exposed via the API except
Fred Drake <fdrake@acm.org>
parents: 25908
diff changeset
541 options = d.keys()
8bb6003f7f54 According to the docs, __name__ is not exposed via the API except
Fred Drake <fdrake@acm.org>
parents: 25908
diff changeset
542 if "__name__" in options:
8bb6003f7f54 According to the docs, __name__ is not exposed via the API except
Fred Drake <fdrake@acm.org>
parents: 25908
diff changeset
543 options.remove("__name__")
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
544 if raw:
25916
8bb6003f7f54 According to the docs, __name__ is not exposed via the API except
Fred Drake <fdrake@acm.org>
parents: 25908
diff changeset
545 for option in options:
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
546 yield (option, d[option])
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
547 else:
25916
8bb6003f7f54 According to the docs, __name__ is not exposed via the API except
Fred Drake <fdrake@acm.org>
parents: 25908
diff changeset
548 for option in options:
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
549 yield (option,
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
550 self._interpolate(section, option, d[option], d))
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
551
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
552 def _interpolate(self, section, option, rawval, vars):
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
553 # do the string interpolation
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
554 value = rawval
26126
98f3fd1ed42f Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 26078
diff changeset
555 depth = MAX_INTERPOLATION_DEPTH
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
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parents: 25462
diff changeset
556 while depth: # Loop through this until it's done
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
557 depth -= 1
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
558 if value.find("%(") != -1:
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
559 try:
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
560 value = value % vars
26927
33dcf4fd0ff9 ConfigParser._interpolate(): Pass the missing key to the
Fred Drake <fdrake@acm.org>
parents: 26909
diff changeset
561 except KeyError, e:
26969
776f270a6ea9 Further cleanup of exceptions. All interpolation-related exceptions
Fred Drake <fdrake@acm.org>
parents: 26927
diff changeset
562 raise InterpolationMissingOptionError(
776f270a6ea9 Further cleanup of exceptions. All interpolation-related exceptions
Fred Drake <fdrake@acm.org>
parents: 26927
diff changeset
563 option, section, rawval, e[0])
25908
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
564 else:
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
565 break
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
566 if value.find("%(") != -1:
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
567 raise InterpolationDepthError(option, section, rawval)
df055a9eff9c Re-factor: Use a RawConfigParser base class and make ConfigParser a
Fred Drake <fdrake@acm.org>
parents: 25462
diff changeset
568 return value
25918
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
569
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
570
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
571 class SafeConfigParser(ConfigParser):
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
572
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
573 def _interpolate(self, section, option, rawval, vars):
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
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diff changeset
574 # do the string interpolation
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
575 L = []
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
576 self._interpolate_some(option, L, rawval, section, vars, 1)
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
577 return ''.join(L)
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
578
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
579 _interpvar_match = re.compile(r"%\(([^)]+)\)s").match
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
580
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
581 def _interpolate_some(self, option, accum, rest, section, map, depth):
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
582 if depth > MAX_INTERPOLATION_DEPTH:
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
583 raise InterpolationDepthError(option, section, rest)
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
584 while rest:
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
585 p = rest.find("%")
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
586 if p < 0:
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
587 accum.append(rest)
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
588 return
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
589 if p > 0:
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
590 accum.append(rest[:p])
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
591 rest = rest[p:]
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
592 # p is no longer used
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
593 c = rest[1:2]
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
594 if c == "%":
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
595 accum.append("%")
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
596 rest = rest[2:]
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
597 elif c == "(":
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
598 m = self._interpvar_match(rest)
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
599 if m is None:
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
600 raise InterpolationSyntaxError(
26969
776f270a6ea9 Further cleanup of exceptions. All interpolation-related exceptions
Fred Drake <fdrake@acm.org>
parents: 26927
diff changeset
601 "bad interpolation variable reference", rest)
25918
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
602 var = m.group(1)
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
603 rest = rest[m.end():]
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
604 try:
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
605 v = map[var]
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
606 except KeyError:
26969
776f270a6ea9 Further cleanup of exceptions. All interpolation-related exceptions
Fred Drake <fdrake@acm.org>
parents: 26927
diff changeset
607 raise InterpolationMissingOptionError(
776f270a6ea9 Further cleanup of exceptions. All interpolation-related exceptions
Fred Drake <fdrake@acm.org>
parents: 26927
diff changeset
608 option, section, rest, var)
25918
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
609 if "%" in v:
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
610 self._interpolate_some(option, accum, v,
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
611 section, map, depth + 1)
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
612 else:
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
613 accum.append(v)
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
614 else:
9901fda7c366 Implement a safer and more predictable interpolation approach.
Fred Drake <fdrake@acm.org>
parents: 25916
diff changeset
615 raise InterpolationSyntaxError(
26969
776f270a6ea9 Further cleanup of exceptions. All interpolation-related exceptions
Fred Drake <fdrake@acm.org>
parents: 26927
diff changeset
616 option, section, rest,
776f270a6ea9 Further cleanup of exceptions. All interpolation-related exceptions
Fred Drake <fdrake@acm.org>
parents: 26927
diff changeset
617 "'%' must be followed by '%' or '(', found: " + `rest`)