Mercurial > hg
annotate mercurial/match.py @ 29733:bb04f96df51c
wireproto: consolidate code for obtaining "cmds" argument value
Both wireproto.py and sshpeer.py had code for producing the value to
the "cmds" argument used by the "batch" command. This patch extracts
that code to a standalone function and uses it.
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Sat, 06 Aug 2016 13:46:28 -0700 |
parents | 98e8313dcd9e |
children | 2372182e505b |
rev | line source |
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Generally replace "file name" with "filename" in help and comments.
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1 # match.py - filename matching |
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2 # |
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3 # Copyright 2008, 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 copy |
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11 import os |
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12 import re |
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13 |
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14 from .i18n import _ |
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15 from . import ( |
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16 error, |
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17 pathutil, |
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18 util, |
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19 ) |
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21 propertycache = util.propertycache |
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22 |
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23 def _rematcher(regex): |
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24 '''compile the regexp with the best available regexp engine and return a |
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25 matcher function''' |
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26 m = util.re.compile(regex) |
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27 try: |
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28 # slightly faster, provided by facebook's re2 bindings |
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29 return m.test_match |
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30 except AttributeError: |
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31 return m.match |
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32 |
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33 def _expandsets(kindpats, ctx, listsubrepos): |
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34 '''Returns the kindpats list with the 'set' patterns expanded.''' |
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35 fset = set() |
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36 other = [] |
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37 |
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38 for kind, pat, source in kindpats: |
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39 if kind == 'set': |
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40 if not ctx: |
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41 raise error.Abort(_("fileset expression with no context")) |
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42 s = ctx.getfileset(pat) |
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43 fset.update(s) |
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44 |
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45 if listsubrepos: |
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46 for subpath in ctx.substate: |
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47 s = ctx.sub(subpath).getfileset(pat) |
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48 fset.update(subpath + '/' + f for f in s) |
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49 |
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50 continue |
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51 other.append((kind, pat, source)) |
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52 return fset, other |
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53 |
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54 def _expandsubinclude(kindpats, root): |
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55 '''Returns the list of subinclude matchers and the kindpats without the |
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56 subincludes in it.''' |
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57 relmatchers = [] |
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58 other = [] |
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59 |
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60 for kind, pat, source in kindpats: |
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61 if kind == 'subinclude': |
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62 sourceroot = pathutil.dirname(util.normpath(source)) |
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63 pat = util.pconvert(pat) |
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64 path = pathutil.join(sourceroot, pat) |
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65 |
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66 newroot = pathutil.dirname(path) |
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67 relmatcher = match(newroot, '', [], ['include:%s' % path]) |
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68 |
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69 prefix = pathutil.canonpath(root, root, newroot) |
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70 if prefix: |
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71 prefix += '/' |
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72 relmatchers.append((prefix, relmatcher)) |
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73 else: |
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74 other.append((kind, pat, source)) |
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75 |
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76 return relmatchers, other |
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77 |
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78 def _kindpatsalwaysmatch(kindpats): |
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79 """"Checks whether the kindspats match everything, as e.g. |
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80 'relpath:.' does. |
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81 """ |
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82 for kind, pat, source in kindpats: |
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83 if pat != '' or kind not in ['relpath', 'glob']: |
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84 return False |
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85 return True |
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86 |
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87 class match(object): |
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88 def __init__(self, root, cwd, patterns, include=[], exclude=[], |
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89 default='glob', exact=False, auditor=None, ctx=None, |
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90 listsubrepos=False, warn=None, badfn=None): |
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91 """build an object to match a set of file patterns |
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92 |
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93 arguments: |
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94 root - the canonical root of the tree you're matching against |
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95 cwd - the current working directory, if relevant |
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96 patterns - patterns to find |
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97 include - patterns to include (unless they are excluded) |
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98 exclude - patterns to exclude (even if they are included) |
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99 default - if a pattern in patterns has no explicit type, assume this one |
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100 exact - patterns are actually filenames (include/exclude still apply) |
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101 warn - optional function used for printing warnings |
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102 badfn - optional bad() callback for this matcher instead of the default |
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103 |
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104 a pattern is one of: |
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105 'glob:<glob>' - a glob relative to cwd |
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106 're:<regexp>' - a regular expression |
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107 'path:<path>' - a path relative to repository root |
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108 'relglob:<glob>' - an unrooted glob (*.c matches C files in all dirs) |
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109 'relpath:<path>' - a path relative to cwd |
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110 'relre:<regexp>' - a regexp that needn't match the start of a name |
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111 'set:<fileset>' - a fileset expression |
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112 'include:<path>' - a file of patterns to read and include |
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113 'subinclude:<path>' - a file of patterns to match against files under |
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114 the same directory |
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115 '<something>' - a pattern of the specified default type |
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116 """ |
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117 |
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118 self._root = root |
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119 self._cwd = cwd |
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120 self._files = [] # exact files and roots of patterns |
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121 self._anypats = bool(include or exclude) |
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122 self._always = False |
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123 self._pathrestricted = bool(include or exclude or patterns) |
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124 self._warn = warn |
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125 self._includeroots = set() |
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126 self._includedirs = set(['.']) |
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127 self._excluderoots = set() |
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128 |
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129 if badfn is not None: |
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130 self.bad = badfn |
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131 |
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132 matchfns = [] |
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133 if include: |
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134 kindpats = self._normalize(include, 'glob', root, cwd, auditor) |
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135 self.includepat, im = _buildmatch(ctx, kindpats, '(?:/|$)', |
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136 listsubrepos, root) |
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137 self._includeroots.update(_roots(kindpats)) |
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138 self._includedirs.update(util.dirs(self._includeroots)) |
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139 matchfns.append(im) |
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140 if exclude: |
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141 kindpats = self._normalize(exclude, 'glob', root, cwd, auditor) |
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142 self.excludepat, em = _buildmatch(ctx, kindpats, '(?:/|$)', |
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143 listsubrepos, root) |
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144 if not _anypats(kindpats): |
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145 self._excluderoots.update(_roots(kindpats)) |
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146 matchfns.append(lambda f: not em(f)) |
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147 if exact: |
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148 if isinstance(patterns, list): |
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149 self._files = patterns |
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150 else: |
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151 self._files = list(patterns) |
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152 matchfns.append(self.exact) |
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153 elif patterns: |
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154 kindpats = self._normalize(patterns, default, root, cwd, auditor) |
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155 if not _kindpatsalwaysmatch(kindpats): |
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156 self._files = _roots(kindpats) |
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157 self._anypats = self._anypats or _anypats(kindpats) |
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158 self.patternspat, pm = _buildmatch(ctx, kindpats, '$', |
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159 listsubrepos, root) |
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160 matchfns.append(pm) |
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161 |
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162 if not matchfns: |
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163 m = util.always |
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164 self._always = True |
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165 elif len(matchfns) == 1: |
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166 m = matchfns[0] |
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167 else: |
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168 def m(f): |
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169 for matchfn in matchfns: |
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170 if not matchfn(f): |
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171 return False |
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172 return True |
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173 |
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174 self.matchfn = m |
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175 self._fileroots = set(self._files) |
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176 |
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177 def __call__(self, fn): |
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178 return self.matchfn(fn) |
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179 def __iter__(self): |
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180 for f in self._files: |
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181 yield f |
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182 |
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183 # Callbacks related to how the matcher is used by dirstate.walk. |
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184 # Subscribers to these events must monkeypatch the matcher object. |
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185 def bad(self, f, msg): |
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186 '''Callback from dirstate.walk for each explicit file that can't be |
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187 found/accessed, with an error message.''' |
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188 pass |
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189 |
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190 # If an explicitdir is set, it will be called when an explicitly listed |
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191 # directory is visited. |
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192 explicitdir = None |
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193 |
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194 # If an traversedir is set, it will be called when a directory discovered |
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195 # by recursive traversal is visited. |
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196 traversedir = None |
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197 |
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198 def abs(self, f): |
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199 '''Convert a repo path back to path that is relative to the root of the |
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200 matcher.''' |
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201 return f |
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202 |
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203 def rel(self, f): |
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204 '''Convert repo path back to path that is relative to cwd of matcher.''' |
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205 return util.pathto(self._root, self._cwd, f) |
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206 |
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207 def uipath(self, f): |
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208 '''Convert repo path to a display path. If patterns or -I/-X were used |
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209 to create this matcher, the display path will be relative to cwd. |
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210 Otherwise it is relative to the root of the repo.''' |
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211 return (self._pathrestricted and self.rel(f)) or self.abs(f) |
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212 |
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213 def files(self): |
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214 '''Explicitly listed files or patterns or roots: |
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215 if no patterns or .always(): empty list, |
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216 if exact: list exact files, |
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217 if not .anypats(): list all files and dirs, |
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218 else: optimal roots''' |
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219 return self._files |
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220 |
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221 @propertycache |
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222 def _dirs(self): |
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223 return set(util.dirs(self._fileroots)) | set(['.']) |
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224 |
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225 def visitdir(self, dir): |
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226 '''Decides whether a directory should be visited based on whether it |
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227 has potential matches in it or one of its subdirectories. This is |
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228 based on the match's primary, included, and excluded patterns. |
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229 |
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230 Returns the string 'all' if the given directory and all subdirectories |
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231 should be visited. Otherwise returns True or False indicating whether |
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232 the given directory should be visited. |
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233 |
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234 This function's behavior is undefined if it has returned False for |
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235 one of the dir's parent directories. |
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236 ''' |
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237 if self.prefix() and dir in self._fileroots: |
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238 return 'all' |
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239 if dir in self._excluderoots: |
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240 return False |
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241 if (self._includeroots and |
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242 '.' not in self._includeroots and |
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243 dir not in self._includeroots and |
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244 dir not in self._includedirs and |
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245 not any(parent in self._includeroots |
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246 for parent in util.finddirs(dir))): |
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247 return False |
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248 return (not self._fileroots or |
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249 '.' in self._fileroots or |
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250 dir in self._fileroots or |
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251 dir in self._dirs or |
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252 any(parentdir in self._fileroots |
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253 for parentdir in util.finddirs(dir))) |
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254 |
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255 def exact(self, f): |
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256 '''Returns True if f is in .files().''' |
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257 return f in self._fileroots |
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258 |
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259 def anypats(self): |
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260 '''Matcher uses patterns or include/exclude.''' |
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261 return self._anypats |
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262 |
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263 def always(self): |
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264 '''Matcher will match everything and .files() will be empty |
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265 - optimization might be possible and necessary.''' |
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266 return self._always |
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268 def ispartial(self): |
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269 '''True if the matcher won't always match. |
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270 |
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271 Although it's just the inverse of _always in this implementation, |
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272 an extension such as narrowhg might make it return something |
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273 slightly different.''' |
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274 return not self._always |
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275 |
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276 def isexact(self): |
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277 return self.matchfn == self.exact |
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278 |
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279 def prefix(self): |
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280 return not self.always() and not self.isexact() and not self.anypats() |
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281 |
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282 def _normalize(self, patterns, default, root, cwd, auditor): |
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283 '''Convert 'kind:pat' from the patterns list to tuples with kind and |
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284 normalized and rooted patterns and with listfiles expanded.''' |
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285 kindpats = [] |
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286 for kind, pat in [_patsplit(p, default) for p in patterns]: |
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287 if kind in ('glob', 'relpath'): |
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288 pat = pathutil.canonpath(root, cwd, pat, auditor) |
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289 elif kind in ('relglob', 'path'): |
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290 pat = util.normpath(pat) |
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291 elif kind in ('listfile', 'listfile0'): |
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292 try: |
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293 files = util.readfile(pat) |
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294 if kind == 'listfile0': |
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295 files = files.split('\0') |
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296 else: |
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297 files = files.splitlines() |
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298 files = [f for f in files if f] |
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299 except EnvironmentError: |
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300 raise error.Abort(_("unable to read file list (%s)") % pat) |
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301 for k, p, source in self._normalize(files, default, root, cwd, |
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302 auditor): |
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303 kindpats.append((k, p, pat)) |
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304 continue |
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305 elif kind == 'include': |
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306 try: |
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307 fullpath = os.path.join(root, util.localpath(pat)) |
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308 includepats = readpatternfile(fullpath, self._warn) |
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309 for k, p, source in self._normalize(includepats, default, |
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310 root, cwd, auditor): |
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311 kindpats.append((k, p, source or pat)) |
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312 except error.Abort as inst: |
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313 raise error.Abort('%s: %s' % (pat, inst[0])) |
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314 except IOError as inst: |
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315 if self._warn: |
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316 self._warn(_("skipping unreadable pattern file " |
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317 "'%s': %s\n") % (pat, inst.strerror)) |
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318 continue |
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319 # else: re or relre - which cannot be normalized |
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320 kindpats.append((kind, pat, '')) |
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321 return kindpats |
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322 |
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323 def exact(root, cwd, files, badfn=None): |
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324 return match(root, cwd, files, exact=True, badfn=badfn) |
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325 |
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326 def always(root, cwd): |
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327 return match(root, cwd, []) |
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328 |
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329 def badmatch(match, badfn): |
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330 """Make a copy of the given matcher, replacing its bad method with the given |
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331 one. |
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332 """ |
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333 m = copy.copy(match) |
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334 m.bad = badfn |
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335 return m |
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336 |
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337 class subdirmatcher(match): |
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338 """Adapt a matcher to work on a subdirectory only. |
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339 |
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340 The paths are remapped to remove/insert the path as needed: |
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341 |
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342 >>> m1 = match('root', '', ['a.txt', 'sub/b.txt']) |
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343 >>> m2 = subdirmatcher('sub', m1) |
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344 >>> bool(m2('a.txt')) |
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345 False |
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346 >>> bool(m2('b.txt')) |
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347 True |
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348 >>> bool(m2.matchfn('a.txt')) |
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349 False |
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350 >>> bool(m2.matchfn('b.txt')) |
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351 True |
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352 >>> m2.files() |
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353 ['b.txt'] |
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354 >>> m2.exact('b.txt') |
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355 True |
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356 >>> util.pconvert(m2.rel('b.txt')) |
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357 'sub/b.txt' |
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358 >>> def bad(f, msg): |
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359 ... print "%s: %s" % (f, msg) |
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360 >>> m1.bad = bad |
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361 >>> m2.bad('x.txt', 'No such file') |
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362 sub/x.txt: No such file |
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363 >>> m2.abs('c.txt') |
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364 'sub/c.txt' |
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365 """ |
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366 |
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367 def __init__(self, path, matcher): |
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368 self._root = matcher._root |
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369 self._cwd = matcher._cwd |
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370 self._path = path |
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371 self._matcher = matcher |
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372 self._always = matcher._always |
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373 self._pathrestricted = matcher._pathrestricted |
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374 |
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375 self._files = [f[len(path) + 1:] for f in matcher._files |
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376 if f.startswith(path + "/")] |
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377 |
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378 # If the parent repo had a path to this subrepo and no patterns are |
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379 # specified, this submatcher always matches. |
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380 if not self._always and not matcher._anypats: |
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382 |
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383 self._anypats = matcher._anypats |
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384 # Some information is lost in the superclass's constructor, so we |
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385 # can not accurately create the matching function for the subdirectory |
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386 # from the inputs. Instead, we override matchfn() and visitdir() to |
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387 # call the original matcher with the subdirectory path prepended. |
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388 self.matchfn = lambda fn: matcher.matchfn(self._path + "/" + fn) |
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389 def visitdir(dir): |
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390 if dir == '.': |
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391 return matcher.visitdir(self._path) |
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392 return matcher.visitdir(self._path + "/" + dir) |
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393 self.visitdir = visitdir |
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394 self._fileroots = set(self._files) |
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395 |
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396 def abs(self, f): |
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397 return self._matcher.abs(self._path + "/" + f) |
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398 |
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399 def bad(self, f, msg): |
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400 self._matcher.bad(self._path + "/" + f, msg) |
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401 |
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402 def rel(self, f): |
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403 return self._matcher.rel(self._path + "/" + f) |
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404 |
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405 class icasefsmatcher(match): |
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406 """A matcher for wdir on case insensitive filesystems, which normalizes the |
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407 given patterns to the case in the filesystem. |
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408 """ |
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409 |
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410 def __init__(self, root, cwd, patterns, include, exclude, default, auditor, |
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411 ctx, listsubrepos=False, badfn=None): |
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412 init = super(icasefsmatcher, self).__init__ |
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413 self._dirstate = ctx.repo().dirstate |
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414 self._dsnormalize = self._dirstate.normalize |
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415 |
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416 init(root, cwd, patterns, include, exclude, default, auditor=auditor, |
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417 ctx=ctx, listsubrepos=listsubrepos, badfn=badfn) |
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418 |
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419 # m.exact(file) must be based off of the actual user input, otherwise |
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420 # inexact case matches are treated as exact, and not noted without -v. |
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421 if self._files: |
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422 self._fileroots = set(_roots(self._kp)) |
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423 |
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424 def _normalize(self, patterns, default, root, cwd, auditor): |
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425 self._kp = super(icasefsmatcher, self)._normalize(patterns, default, |
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426 root, cwd, auditor) |
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427 kindpats = [] |
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428 for kind, pats, source in self._kp: |
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429 if kind not in ('re', 'relre'): # regex can't be normalized |
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430 p = pats |
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431 pats = self._dsnormalize(pats) |
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432 |
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433 # Preserve the original to handle a case only rename. |
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434 if p != pats and p in self._dirstate: |
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435 kindpats.append((kind, p, source)) |
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436 |
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437 kindpats.append((kind, pats, source)) |
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438 return kindpats |
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439 |
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440 def patkind(pattern, default=None): |
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441 '''If pattern is 'kind:pat' with a known kind, return kind.''' |
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442 return _patsplit(pattern, default)[0] |
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443 |
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444 def _patsplit(pattern, default): |
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445 """Split a string into the optional pattern kind prefix and the actual |
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446 pattern.""" |
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447 if ':' in pattern: |
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448 kind, pat = pattern.split(':', 1) |
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449 if kind in ('re', 'glob', 'path', 'relglob', 'relpath', 'relre', |
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450 'listfile', 'listfile0', 'set', 'include', 'subinclude'): |
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451 return kind, pat |
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452 return default, pattern |
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453 |
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454 def _globre(pat): |
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455 r'''Convert an extended glob string to a regexp string. |
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456 |
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457 >>> print _globre(r'?') |
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458 . |
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match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents:
21111
diff
changeset
|
459 >>> print _globre(r'*') |
03782d2fc776
match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents:
21111
diff
changeset
|
460 [^/]* |
03782d2fc776
match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents:
21111
diff
changeset
|
461 >>> print _globre(r'**') |
03782d2fc776
match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents:
21111
diff
changeset
|
462 .* |
21815
a4b67bf1f0a5
match: make glob '**/' match the empty string
Siddharth Agarwal <sid0@fb.com>
parents:
21191
diff
changeset
|
463 >>> print _globre(r'**/a') |
a4b67bf1f0a5
match: make glob '**/' match the empty string
Siddharth Agarwal <sid0@fb.com>
parents:
21191
diff
changeset
|
464 (?:.*/)?a |
a4b67bf1f0a5
match: make glob '**/' match the empty string
Siddharth Agarwal <sid0@fb.com>
parents:
21191
diff
changeset
|
465 >>> print _globre(r'a/**/b') |
a4b67bf1f0a5
match: make glob '**/' match the empty string
Siddharth Agarwal <sid0@fb.com>
parents:
21191
diff
changeset
|
466 a\/(?:.*/)?b |
21112
03782d2fc776
match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents:
21111
diff
changeset
|
467 >>> print _globre(r'[a*?!^][^b][!c]') |
03782d2fc776
match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents:
21111
diff
changeset
|
468 [a*?!^][\^b][^c] |
03782d2fc776
match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents:
21111
diff
changeset
|
469 >>> print _globre(r'{a,b}') |
03782d2fc776
match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents:
21111
diff
changeset
|
470 (?:a|b) |
03782d2fc776
match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents:
21111
diff
changeset
|
471 >>> print _globre(r'.\*\?') |
03782d2fc776
match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents:
21111
diff
changeset
|
472 \.\*\? |
03782d2fc776
match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents:
21111
diff
changeset
|
473 ''' |
8570
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
474 i, n = 0, len(pat) |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
475 res = '' |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
476 group = 0 |
21915
d516b6de3821
match: use util.re.escape instead of re.escape
Siddharth Agarwal <sid0@fb.com>
parents:
21909
diff
changeset
|
477 escape = util.re.escape |
10282
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
10263
diff
changeset
|
478 def peek(): |
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
10263
diff
changeset
|
479 return i < n and pat[i] |
8570
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
480 while i < n: |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
481 c = pat[i] |
10282
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
10263
diff
changeset
|
482 i += 1 |
8583
19d1b2aec562
match: optimize escaping in _globre
Matt Mackall <mpm@selenic.com>
parents:
8582
diff
changeset
|
483 if c not in '*?[{},\\': |
19d1b2aec562
match: optimize escaping in _globre
Matt Mackall <mpm@selenic.com>
parents:
8582
diff
changeset
|
484 res += escape(c) |
19d1b2aec562
match: optimize escaping in _globre
Matt Mackall <mpm@selenic.com>
parents:
8582
diff
changeset
|
485 elif c == '*': |
8570
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
486 if peek() == '*': |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
487 i += 1 |
21815
a4b67bf1f0a5
match: make glob '**/' match the empty string
Siddharth Agarwal <sid0@fb.com>
parents:
21191
diff
changeset
|
488 if peek() == '/': |
a4b67bf1f0a5
match: make glob '**/' match the empty string
Siddharth Agarwal <sid0@fb.com>
parents:
21191
diff
changeset
|
489 i += 1 |
a4b67bf1f0a5
match: make glob '**/' match the empty string
Siddharth Agarwal <sid0@fb.com>
parents:
21191
diff
changeset
|
490 res += '(?:.*/)?' |
a4b67bf1f0a5
match: make glob '**/' match the empty string
Siddharth Agarwal <sid0@fb.com>
parents:
21191
diff
changeset
|
491 else: |
a4b67bf1f0a5
match: make glob '**/' match the empty string
Siddharth Agarwal <sid0@fb.com>
parents:
21191
diff
changeset
|
492 res += '.*' |
8570
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
493 else: |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
494 res += '[^/]*' |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
495 elif c == '?': |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
496 res += '.' |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
497 elif c == '[': |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
498 j = i |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
499 if j < n and pat[j] in '!]': |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
500 j += 1 |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
501 while j < n and pat[j] != ']': |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
502 j += 1 |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
503 if j >= n: |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
504 res += '\\[' |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
505 else: |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
506 stuff = pat[i:j].replace('\\','\\\\') |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
507 i = j + 1 |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
508 if stuff[0] == '!': |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
509 stuff = '^' + stuff[1:] |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
510 elif stuff[0] == '^': |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
511 stuff = '\\' + stuff |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
512 res = '%s[%s]' % (res, stuff) |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
513 elif c == '{': |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
514 group += 1 |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
515 res += '(?:' |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
516 elif c == '}' and group: |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
517 res += ')' |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
518 group -= 1 |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
519 elif c == ',' and group: |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
520 res += '|' |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
521 elif c == '\\': |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
522 p = peek() |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
523 if p: |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
524 i += 1 |
8583
19d1b2aec562
match: optimize escaping in _globre
Matt Mackall <mpm@selenic.com>
parents:
8582
diff
changeset
|
525 res += escape(p) |
8570
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
526 else: |
8583
19d1b2aec562
match: optimize escaping in _globre
Matt Mackall <mpm@selenic.com>
parents:
8582
diff
changeset
|
527 res += escape(c) |
8570
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
528 else: |
8583
19d1b2aec562
match: optimize escaping in _globre
Matt Mackall <mpm@selenic.com>
parents:
8582
diff
changeset
|
529 res += escape(c) |
8582
a4c199e12b5a
match: remove head and tail args from _globre
Matt Mackall <mpm@selenic.com>
parents:
8581
diff
changeset
|
530 return res |
8570
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
531 |
21111
9d28fd795215
match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents:
21079
diff
changeset
|
532 def _regex(kind, pat, globsuffix): |
9d28fd795215
match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents:
21079
diff
changeset
|
533 '''Convert a (normalized) pattern of any kind into a regular expression. |
9d28fd795215
match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents:
21079
diff
changeset
|
534 globsuffix is appended to the regexp of globs.''' |
9d28fd795215
match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents:
21079
diff
changeset
|
535 if not pat: |
8574
63a7ed2128d5
match: unnest functions in _matcher
Matt Mackall <mpm@selenic.com>
parents:
8573
diff
changeset
|
536 return '' |
63a7ed2128d5
match: unnest functions in _matcher
Matt Mackall <mpm@selenic.com>
parents:
8573
diff
changeset
|
537 if kind == 're': |
21111
9d28fd795215
match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents:
21079
diff
changeset
|
538 return pat |
9d28fd795215
match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents:
21079
diff
changeset
|
539 if kind == 'path': |
25636
bfe9ed85f27c
match: let 'path:.' and 'path:' match everything (issue4687)
Matt Harbison <matt_harbison@yahoo.com>
parents:
25194
diff
changeset
|
540 if pat == '.': |
bfe9ed85f27c
match: let 'path:.' and 'path:' match everything (issue4687)
Matt Harbison <matt_harbison@yahoo.com>
parents:
25194
diff
changeset
|
541 return '' |
21915
d516b6de3821
match: use util.re.escape instead of re.escape
Siddharth Agarwal <sid0@fb.com>
parents:
21909
diff
changeset
|
542 return '^' + util.re.escape(pat) + '(?:/|$)' |
21111
9d28fd795215
match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents:
21079
diff
changeset
|
543 if kind == 'relglob': |
9d28fd795215
match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents:
21079
diff
changeset
|
544 return '(?:|.*/)' + _globre(pat) + globsuffix |
9d28fd795215
match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents:
21079
diff
changeset
|
545 if kind == 'relpath': |
21915
d516b6de3821
match: use util.re.escape instead of re.escape
Siddharth Agarwal <sid0@fb.com>
parents:
21909
diff
changeset
|
546 return util.re.escape(pat) + '(?:/|$)' |
21111
9d28fd795215
match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents:
21079
diff
changeset
|
547 if kind == 'relre': |
9d28fd795215
match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents:
21079
diff
changeset
|
548 if pat.startswith('^'): |
9d28fd795215
match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents:
21079
diff
changeset
|
549 return pat |
9d28fd795215
match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents:
21079
diff
changeset
|
550 return '.*' + pat |
9d28fd795215
match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents:
21079
diff
changeset
|
551 return _globre(pat) + globsuffix |
8574
63a7ed2128d5
match: unnest functions in _matcher
Matt Mackall <mpm@selenic.com>
parents:
8573
diff
changeset
|
552 |
25238
5a55ad6e8e24
match: add root to _buildmatch
Durham Goode <durham@fb.com>
parents:
25233
diff
changeset
|
553 def _buildmatch(ctx, kindpats, globsuffix, listsubrepos, root): |
21111
9d28fd795215
match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents:
21079
diff
changeset
|
554 '''Return regexp string and a matcher function for kindpats. |
9d28fd795215
match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents:
21079
diff
changeset
|
555 globsuffix is appended to the regexp of globs.''' |
25239
714f612f2afc
match: allow unioning arbitrary match functions
Durham Goode <durham@fb.com>
parents:
25238
diff
changeset
|
556 matchfuncs = [] |
714f612f2afc
match: allow unioning arbitrary match functions
Durham Goode <durham@fb.com>
parents:
25238
diff
changeset
|
557 |
25283
19d0e5efa6ca
match: enable 'subinclude:' syntax
Durham Goode <durham@fb.com>
parents:
25250
diff
changeset
|
558 subincludes, kindpats = _expandsubinclude(kindpats, root) |
19d0e5efa6ca
match: enable 'subinclude:' syntax
Durham Goode <durham@fb.com>
parents:
25250
diff
changeset
|
559 if subincludes: |
19d0e5efa6ca
match: enable 'subinclude:' syntax
Durham Goode <durham@fb.com>
parents:
25250
diff
changeset
|
560 def matchsubinclude(f): |
19d0e5efa6ca
match: enable 'subinclude:' syntax
Durham Goode <durham@fb.com>
parents:
25250
diff
changeset
|
561 for prefix, mf in subincludes: |
19d0e5efa6ca
match: enable 'subinclude:' syntax
Durham Goode <durham@fb.com>
parents:
25250
diff
changeset
|
562 if f.startswith(prefix) and mf(f[len(prefix):]): |
19d0e5efa6ca
match: enable 'subinclude:' syntax
Durham Goode <durham@fb.com>
parents:
25250
diff
changeset
|
563 return True |
19d0e5efa6ca
match: enable 'subinclude:' syntax
Durham Goode <durham@fb.com>
parents:
25250
diff
changeset
|
564 return False |
19d0e5efa6ca
match: enable 'subinclude:' syntax
Durham Goode <durham@fb.com>
parents:
25250
diff
changeset
|
565 matchfuncs.append(matchsubinclude) |
14675
cfc89398f710
match: introduce basic fileset support
Matt Mackall <mpm@selenic.com>
parents:
14674
diff
changeset
|
566 |
25122
755d23a49170
match: resolve filesets in subrepos for commands given the '-S' argument
Matt Harbison <matt_harbison@yahoo.com>
parents:
25114
diff
changeset
|
567 fset, kindpats = _expandsets(kindpats, ctx, listsubrepos) |
14675
cfc89398f710
match: introduce basic fileset support
Matt Mackall <mpm@selenic.com>
parents:
14674
diff
changeset
|
568 if fset: |
25239
714f612f2afc
match: allow unioning arbitrary match functions
Durham Goode <durham@fb.com>
parents:
25238
diff
changeset
|
569 matchfuncs.append(fset.__contains__) |
14675
cfc89398f710
match: introduce basic fileset support
Matt Mackall <mpm@selenic.com>
parents:
14674
diff
changeset
|
570 |
25239
714f612f2afc
match: allow unioning arbitrary match functions
Durham Goode <durham@fb.com>
parents:
25238
diff
changeset
|
571 regex = '' |
714f612f2afc
match: allow unioning arbitrary match functions
Durham Goode <durham@fb.com>
parents:
25238
diff
changeset
|
572 if kindpats: |
714f612f2afc
match: allow unioning arbitrary match functions
Durham Goode <durham@fb.com>
parents:
25238
diff
changeset
|
573 regex, mf = _buildregexmatch(kindpats, globsuffix) |
714f612f2afc
match: allow unioning arbitrary match functions
Durham Goode <durham@fb.com>
parents:
25238
diff
changeset
|
574 matchfuncs.append(mf) |
714f612f2afc
match: allow unioning arbitrary match functions
Durham Goode <durham@fb.com>
parents:
25238
diff
changeset
|
575 |
714f612f2afc
match: allow unioning arbitrary match functions
Durham Goode <durham@fb.com>
parents:
25238
diff
changeset
|
576 if len(matchfuncs) == 1: |
714f612f2afc
match: allow unioning arbitrary match functions
Durham Goode <durham@fb.com>
parents:
25238
diff
changeset
|
577 return regex, matchfuncs[0] |
714f612f2afc
match: allow unioning arbitrary match functions
Durham Goode <durham@fb.com>
parents:
25238
diff
changeset
|
578 else: |
714f612f2afc
match: allow unioning arbitrary match functions
Durham Goode <durham@fb.com>
parents:
25238
diff
changeset
|
579 return regex, lambda f: any(mf(f) for mf in matchfuncs) |
14675
cfc89398f710
match: introduce basic fileset support
Matt Mackall <mpm@selenic.com>
parents:
14674
diff
changeset
|
580 |
21111
9d28fd795215
match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents:
21079
diff
changeset
|
581 def _buildregexmatch(kindpats, globsuffix): |
9d28fd795215
match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents:
21079
diff
changeset
|
582 """Build a match function from a list of kinds and kindpats, |
9d28fd795215
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583 return regexp string and a matcher function.""" |
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584 try: |
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585 regex = '(?:%s)' % '|'.join([_regex(k, p, globsuffix) |
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586 for (k, p, s) in kindpats]) |
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587 if len(regex) > 20000: |
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588 raise OverflowError |
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589 return regex, _rematcher(regex) |
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590 except OverflowError: |
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591 # We're using a Python with a tiny regex engine and we |
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592 # made it explode, so we'll divide the pattern list in two |
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593 # until it works |
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594 l = len(kindpats) |
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595 if l < 2: |
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596 raise |
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597 regexa, a = _buildregexmatch(kindpats[:l//2], globsuffix) |
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598 regexb, b = _buildregexmatch(kindpats[l//2:], globsuffix) |
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599 return regex, lambda s: a(s) or b(s) |
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600 except re.error: |
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601 for k, p, s in kindpats: |
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602 try: |
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603 _rematcher('(?:%s)' % _regex(k, p, globsuffix)) |
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604 except re.error: |
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605 if s: |
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606 raise error.Abort(_("%s: invalid pattern (%s): %s") % |
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607 (s, k, p)) |
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608 else: |
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609 raise error.Abort(_("invalid pattern (%s): %s") % (k, p)) |
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610 raise error.Abort(_("invalid pattern")) |
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611 |
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612 def _roots(kindpats): |
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613 '''return roots and exact explicitly listed files from patterns |
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614 |
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615 >>> _roots([('glob', 'g/*', ''), ('glob', 'g', ''), ('glob', 'g*', '')]) |
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616 ['g', 'g', '.'] |
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617 >>> _roots([('relpath', 'r', ''), ('path', 'p/p', ''), ('path', '', '')]) |
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618 ['r', 'p/p', '.'] |
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619 >>> _roots([('relglob', 'rg*', ''), ('re', 're/', ''), ('relre', 'rr', '')]) |
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620 ['.', '.', '.'] |
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621 ''' |
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622 r = [] |
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623 for kind, pat, source in kindpats: |
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624 if kind == 'glob': # find the non-glob prefix |
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625 root = [] |
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626 for p in pat.split('/'): |
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627 if '[' in p or '{' in p or '*' in p or '?' in p: |
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628 break |
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629 root.append(p) |
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630 r.append('/'.join(root) or '.') |
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631 elif kind in ('relpath', 'path'): |
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632 r.append(pat or '.') |
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633 else: # relglob, re, relre |
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634 r.append('.') |
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635 return r |
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636 |
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637 def _anypats(kindpats): |
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638 for kind, pat, source in kindpats: |
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639 if kind in ('glob', 're', 'relglob', 'relre', 'set'): |
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640 return True |
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641 |
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642 _commentre = None |
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643 |
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644 def readpatternfile(filepath, warn, sourceinfo=False): |
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645 '''parse a pattern file, returning a list of |
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646 patterns. These patterns should be given to compile() |
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647 to be validated and converted into a match function. |
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648 |
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649 trailing white space is dropped. |
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650 the escape character is backslash. |
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651 comments start with #. |
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652 empty lines are skipped. |
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653 |
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654 lines can be of the following formats: |
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655 |
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656 syntax: regexp # defaults following lines to non-rooted regexps |
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657 syntax: glob # defaults following lines to non-rooted globs |
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658 re:pattern # non-rooted regular expression |
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659 glob:pattern # non-rooted glob |
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660 pattern # pattern of the current default type |
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661 |
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662 if sourceinfo is set, returns a list of tuples: |
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663 (pattern, lineno, originalline). This is useful to debug ignore patterns. |
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664 ''' |
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665 |
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666 syntaxes = {'re': 'relre:', 'regexp': 'relre:', 'glob': 'relglob:', |
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667 'include': 'include', 'subinclude': 'subinclude'} |
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668 syntax = 'relre:' |
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669 patterns = [] |
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670 |
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671 fp = open(filepath) |
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672 for lineno, line in enumerate(fp, start=1): |
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673 if "#" in line: |
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674 global _commentre |
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675 if not _commentre: |
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676 _commentre = util.re.compile(r'((?:^|[^\\])(?:\\\\)*)#.*') |
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677 # remove comments prefixed by an even number of escapes |
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678 m = _commentre.search(line) |
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679 if m: |
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680 line = line[:m.end(1)] |
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681 # fixup properly escaped comments that survived the above |
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682 line = line.replace("\\#", "#") |
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683 line = line.rstrip() |
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684 if not line: |
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685 continue |
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686 |
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687 if line.startswith('syntax:'): |
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688 s = line[7:].strip() |
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689 try: |
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690 syntax = syntaxes[s] |
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691 except KeyError: |
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692 if warn: |
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693 warn(_("%s: ignoring invalid syntax '%s'\n") % |
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694 (filepath, s)) |
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695 continue |
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696 |
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697 linesyntax = syntax |
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698 for s, rels in syntaxes.iteritems(): |
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699 if line.startswith(rels): |
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700 linesyntax = rels |
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701 line = line[len(rels):] |
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702 break |
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703 elif line.startswith(s+':'): |
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704 linesyntax = rels |
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705 line = line[len(s) + 1:] |
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706 break |
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707 if sourceinfo: |
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708 patterns.append((linesyntax + line, lineno, line)) |
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709 else: |
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710 patterns.append(linesyntax + line) |
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711 fp.close() |
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712 return patterns |