Mercurial > hg
annotate mercurial/config.py @ 32164:29e286fa4db0
changegroup: deduplicate 'getlocalchangegroup'
The two functions 'getlocalchangegroup' and 'getchangegroup' have been strictly
identical for multiple years ('getchangegroup' had a deprecated docstring)
We'll drop one of them (getlocalchangegroup, since it has the longest name).
However, we needs to migrate all users of the dropped one to the new one before
we can deprecate it. In the mean time we drop one of the duplicated definition
and the outdated docstring.
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Thu, 04 May 2017 12:36:45 +0200 |
parents | a7c687c35119 |
children | 6a773d3050c9 |
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1 # config.py - configuration parsing for Mercurial |
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2 # |
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3 # Copyright 2009 Matt Mackall <mpm@selenic.com> and others |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
10263 | 6 # GNU General Public License version 2 or any later version. |
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7 |
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8 from __future__ import absolute_import |
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9 |
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10 import errno |
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11 import os |
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12 |
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13 from .i18n import _ |
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14 from . import ( |
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15 error, |
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16 pycompat, |
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17 util, |
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18 ) |
8144 | 19 |
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20 class config(object): |
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21 def __init__(self, data=None, includepaths=None): |
8144 | 22 self._data = {} |
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23 self._source = {} |
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24 self._unset = [] |
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25 self._includepaths = includepaths or [] |
8144 | 26 if data: |
27 for k in data._data: | |
28 self._data[k] = data[k].copy() | |
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29 self._source = data._source.copy() |
8144 | 30 def copy(self): |
31 return config(self) | |
32 def __contains__(self, section): | |
33 return section in self._data | |
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34 def hasitem(self, section, item): |
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35 return item in self._data.get(section, {}) |
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36 def __getitem__(self, section): |
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37 return self._data.get(section, {}) |
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38 def __iter__(self): |
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39 for d in self.sections(): |
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40 yield d |
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41 def update(self, src): |
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42 for s, n in src._unset: |
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43 if s in self and n in self._data[s]: |
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44 del self._data[s][n] |
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45 del self._source[(s, n)] |
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46 for s in src: |
8144 | 47 if s not in self: |
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48 self._data[s] = util.sortdict() |
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49 self._data[s].update(src._data[s]) |
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50 self._source.update(src._source) |
8144 | 51 def get(self, section, item, default=None): |
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52 return self._data.get(section, {}).get(item, default) |
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53 |
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54 def backup(self, section, item): |
17527 | 55 """return a tuple allowing restore to reinstall a previous value |
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56 |
17530 | 57 The main reason we need it is because it handles the "no data" case. |
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58 """ |
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59 try: |
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60 value = self._data[section][item] |
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61 source = self.source(section, item) |
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62 return (section, item, value, source) |
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63 except KeyError: |
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64 return (section, item) |
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65 |
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66 def source(self, section, item): |
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67 return self._source.get((section, item), "") |
8144 | 68 def sections(self): |
69 return sorted(self._data.keys()) | |
70 def items(self, section): | |
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71 return self._data.get(section, {}).items() |
8144 | 72 def set(self, section, item, value, source=""): |
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73 if pycompat.ispy3: |
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74 assert not isinstance(value, str), ( |
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75 'config values may not be unicode strings on Python 3') |
8144 | 76 if section not in self: |
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77 self._data[section] = util.sortdict() |
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78 self._data[section][item] = value |
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79 if source: |
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80 self._source[(section, item)] = source |
8144 | 81 |
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82 def restore(self, data): |
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83 """restore data returned by self.backup""" |
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84 if len(data) == 4: |
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85 # restore old data |
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86 section, item, value, source = data |
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87 self._data[section][item] = value |
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88 self._source[(section, item)] = source |
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89 else: |
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90 # no data before, remove everything |
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91 section, item = data |
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92 if section in self._data: |
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93 self._data[section].pop(item, None) |
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94 self._source.pop((section, item), None) |
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95 |
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96 def parse(self, src, data, sections=None, remap=None, include=None): |
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97 sectionre = util.re.compile(br'\[([^\[]+)\]') |
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98 itemre = util.re.compile(br'([^=\s][^=]*?)\s*=\s*(.*\S|)') |
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99 contre = util.re.compile(br'\s+(\S|\S.*\S)\s*$') |
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100 emptyre = util.re.compile(br'(;|#|\s*$)') |
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101 commentre = util.re.compile(br'(;|#)') |
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102 unsetre = util.re.compile(br'%unset\s+(\S+)') |
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103 includere = util.re.compile(br'%include\s+(\S|\S.*\S)\s*$') |
8144 | 104 section = "" |
105 item = None | |
106 line = 0 | |
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107 cont = False |
8180 | 108 |
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109 for l in data.splitlines(True): |
8144 | 110 line += 1 |
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111 if line == 1 and l.startswith('\xef\xbb\xbf'): |
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112 # Someone set us up the BOM |
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113 l = l[3:] |
8144 | 114 if cont: |
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115 if commentre.match(l): |
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116 continue |
8144 | 117 m = contre.match(l) |
118 if m: | |
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119 if sections and section not in sections: |
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120 continue |
8144 | 121 v = self.get(section, item) + "\n" + m.group(1) |
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122 self.set(section, item, v, "%s:%d" % (src, line)) |
8144 | 123 continue |
124 item = None | |
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125 cont = False |
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126 m = includere.match(l) |
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127 |
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128 if m and include: |
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129 expanded = util.expandpath(m.group(1)) |
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130 includepaths = [os.path.dirname(src)] + self._includepaths |
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131 |
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132 for base in includepaths: |
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133 inc = os.path.normpath(os.path.join(base, expanded)) |
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134 |
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135 try: |
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136 include(inc, remap=remap, sections=sections) |
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Jordi Gutiérrez Hermoso <jordigh@octave.org>
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137 break |
25660
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global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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138 except IOError as inst: |
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139 if inst.errno != errno.ENOENT: |
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140 raise error.ParseError(_("cannot include %s (%s)") |
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141 % (inc, inst.strerror), |
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142 "%s:%s" % (src, line)) |
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143 continue |
8144 | 144 if emptyre.match(l): |
145 continue | |
146 m = sectionre.match(l) | |
147 if m: | |
148 section = m.group(1) | |
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149 if remap: |
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150 section = remap.get(section, section) |
8144 | 151 if section not in self: |
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152 self._data[section] = util.sortdict() |
8144 | 153 continue |
154 m = itemre.match(l) | |
155 if m: | |
156 item = m.group(1) | |
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Andrey <py4fun@gmail.com>
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157 cont = True |
8193
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158 if sections and section not in sections: |
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159 continue |
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160 self.set(section, item, m.group(2), "%s:%d" % (src, line)) |
8144 | 161 continue |
8184
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162 m = unsetre.match(l) |
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163 if m: |
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164 name = m.group(1) |
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165 if sections and section not in sections: |
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166 continue |
13031
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code style: prefer 'is' and 'is not' tests with singletons
Martin Geisler <mg@aragost.com>
parents:
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167 if self.get(section, name) is not None: |
8184
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168 del self._data[section][name] |
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config: discard "%unset" values defined in the other files read in previously
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
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169 self._unset.append((section, name)) |
8184
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170 continue |
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171 |
11288
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error: add new ParseError for various parsing errors
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172 raise error.ParseError(l.rstrip(), ("%s:%s" % (src, line))) |
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173 |
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174 def read(self, path, fp=None, sections=None, remap=None): |
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175 if not fp: |
31154
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config: load included config files in binary mode
Augie Fackler <raf@durin42.com>
parents:
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176 fp = util.posixfile(path, 'rb') |
31176
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config: add sanity assert that files are opened as binary
Augie Fackler <raf@durin42.com>
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177 assert getattr(fp, 'mode', r'rb') == r'rb', ( |
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Augie Fackler <raf@durin42.com>
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178 'config files must be opened in binary mode, got fp=%r mode=%r' % ( |
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179 fp, fp.mode)) |
31155
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config: pass some optional args as keywords
Augie Fackler <raf@durin42.com>
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180 self.parse(path, fp.read(), |
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181 sections=sections, remap=remap, include=self.read) |
31481
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182 |
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183 def parselist(value): |
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184 """parse a configuration value as a list of comma/space separated strings |
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185 |
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186 >>> parselist('this,is "a small" ,test') |
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187 ['this', 'is', 'a small', 'test'] |
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188 """ |
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189 |
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190 def _parse_plain(parts, s, offset): |
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191 whitespace = False |
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192 while offset < len(s) and (s[offset:offset + 1].isspace() |
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193 or s[offset:offset + 1] == ','): |
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194 whitespace = True |
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195 offset += 1 |
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196 if offset >= len(s): |
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197 return None, parts, offset |
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198 if whitespace: |
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199 parts.append('') |
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200 if s[offset:offset + 1] == '"' and not parts[-1]: |
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201 return _parse_quote, parts, offset + 1 |
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202 elif s[offset:offset + 1] == '"' and parts[-1][-1] == '\\': |
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203 parts[-1] = parts[-1][:-1] + s[offset:offset + 1] |
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204 return _parse_plain, parts, offset + 1 |
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205 parts[-1] += s[offset:offset + 1] |
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206 return _parse_plain, parts, offset + 1 |
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207 |
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208 def _parse_quote(parts, s, offset): |
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209 if offset < len(s) and s[offset:offset + 1] == '"': # "" |
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210 parts.append('') |
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211 offset += 1 |
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212 while offset < len(s) and (s[offset:offset + 1].isspace() or |
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213 s[offset:offset + 1] == ','): |
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214 offset += 1 |
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215 return _parse_plain, parts, offset |
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216 |
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217 while offset < len(s) and s[offset:offset + 1] != '"': |
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218 if (s[offset:offset + 1] == '\\' and offset + 1 < len(s) |
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219 and s[offset + 1:offset + 2] == '"'): |
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220 offset += 1 |
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221 parts[-1] += '"' |
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222 else: |
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223 parts[-1] += s[offset:offset + 1] |
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224 offset += 1 |
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225 |
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226 if offset >= len(s): |
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227 real_parts = _configlist(parts[-1]) |
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228 if not real_parts: |
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229 parts[-1] = '"' |
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230 else: |
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231 real_parts[0] = '"' + real_parts[0] |
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232 parts = parts[:-1] |
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233 parts.extend(real_parts) |
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234 return None, parts, offset |
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235 |
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236 offset += 1 |
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237 while offset < len(s) and s[offset:offset + 1] in [' ', ',']: |
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238 offset += 1 |
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239 |
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240 if offset < len(s): |
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241 if offset + 1 == len(s) and s[offset:offset + 1] == '"': |
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242 parts[-1] += '"' |
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243 offset += 1 |
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244 else: |
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245 parts.append('') |
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246 else: |
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247 return None, parts, offset |
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248 |
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249 return _parse_plain, parts, offset |
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250 |
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251 def _configlist(s): |
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252 s = s.rstrip(' ,') |
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253 if not s: |
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254 return [] |
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255 parser, parts, offset = _parse_plain, [''], 0 |
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256 while parser: |
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257 parser, parts, offset = parser(parts, s, offset) |
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258 return parts |
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259 |
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260 if value is not None and isinstance(value, bytes): |
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261 result = _configlist(value.lstrip(' ,\n')) |
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262 else: |
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263 result = value |
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264 return result or [] |