Mercurial > hg
annotate mercurial/help.py @ 16719:e7bf09acd410
localrepo: add branchtip() method for faster single-branch lookups
For the PyPy repo with 744 branches and 843 branch heads, this brings
hg log -r default over NFS from:
CallCount Recursive Total(ms) Inline(ms) module:lineno(function)
3249 0 1.3222 1.3222 <open>
3244 0 0.6211 0.6211 <method 'close' of 'file' objects>
3243 0 0.0800 0.0800 <method 'read' of 'file' objects>
3241 0 0.0660 0.0660 <method 'seek' of 'file' objects>
3905 0 0.0476 0.0476 <zlib.decompress>
3281 0 2.6756 0.0472 mercurial.changelog:182(read)
+3281 0 2.5256 0.0453 +mercurial.revlog:881(revision)
+3276 0 0.0389 0.0196 +mercurial.changelog:28(decodeextra)
+6562 0 0.0123 0.0123 +<method 'split' of 'str' objects>
+6562 0 0.0408 0.0073 +mercurial.encoding:61(tolocal)
+3281 0 0.0054 0.0054 +<method 'index' of 'str' objects>
3241 0 2.2464 0.0456 mercurial.revlog:818(_loadchunk)
+3241 0 0.6205 0.6205 +<method 'close' of 'file' objects>
+3241 0 0.0765 0.0765 +<method 'read' of 'file' objects>
+3241 0 0.0660 0.0660 +<method 'seek' of 'file' objects>
+3241 0 1.4209 0.0135 +mercurial.store:374(__call__)
+3241 0 0.0122 0.0107 +mercurial.revlog:810(_addchunk)
3281 0 2.5256 0.0453 mercurial.revlog:881(revision)
+3280 0 0.0175 0.0175 +mercurial.revlog:305(rev)
+3281 0 2.2819 0.0119 +mercurial.revlog:847(_chunkraw)
+3281 0 0.0603 0.0083 +mercurial.revlog:945(_checkhash)
+3281 0 0.0051 0.0051 +mercurial.revlog:349(flags)
+3281 0 0.0040 0.0040 +<mercurial.mpatch.patches>
13682 0 0.0479 0.0248 <method 'decode' of 'str' objects>
+7418 0 0.0228 0.0076 +encodings.utf_8:15(decode)
+1 0 0.0003 0.0000 +encodings:71(search_function)
3248 0 1.3995 0.0246 mercurial.scmutil:218(__call__)
+3248 0 1.3222 1.3222 +<open>
+3248 0 0.0235 0.0184 +os.path:80(split)
+3248 0 0.0084 0.0068 +mercurial.scmutil:92(__call__)
Time: real 2.750 secs (user 0.680+0.000 sys 0.360+0.000)
down to:
CallCount Recursive Total(ms) Inline(ms) module:lineno(function)
55 31 0.0197 0.0163 <__import__>
+1 0 0.0006 0.0002 +mercurial.context:8(<module>)
+1 0 0.0042 0.0001 +mercurial.revlog:12(<module>)
+1 0 0.0002 0.0001 +mercurial.match:8(<module>)
+1 0 0.0003 0.0001 +mercurial.dirstate:7(<module>)
+1 0 0.0057 0.0001 +mercurial.changelog:8(<module>)
1 0 0.0117 0.0032 mercurial.localrepo:525(_readbranchcache)
+844 0 0.0015 0.0015 +<binascii.unhexlify>
+845 0 0.0010 0.0010 +<method 'split' of 'str' objects>
+843 0 0.0045 0.0009 +mercurial.encoding:61(tolocal)
+843 0 0.0004 0.0004 +<method 'setdefault' of 'dict' objects>
+1 0 0.0003 0.0003 +<method 'close' of 'file' objects>
3 0 0.0029 0.0029 <method 'read' of 'file' objects>
9 0 0.0018 0.0018 <open>
990 0 0.0017 0.0017 <binascii.unhexlify>
53 0 0.0016 0.0016 mercurial.demandimport:43(__init__)
862 0 0.0015 0.0015 <_codecs.utf_8_decode>
862 0 0.0037 0.0014 <method 'decode' of 'str' objects>
+862 0 0.0023 0.0008 +encodings.utf_8:15(decode)
981 0 0.0011 0.0011 <method 'split' of 'str' objects>
861 0 0.0046 0.0009 mercurial.encoding:61(tolocal)
+861 0 0.0037 0.0014 +<method 'decode' of 'str' objects>
862 0 0.0023 0.0008 encodings.utf_8:15(decode)
+862 0 0.0015 0.0015 +<_codecs.utf_8_decode>
4 0 0.0008 0.0008 <method 'close' of 'file' objects>
179 154 0.0202 0.0004 mercurial.demandimport:83(__getattribute__)
+36 11 0.0199 0.0003 +mercurial.demandimport:55(_load)
+72 0 0.0001 0.0001 +mercurial.demandimport:83(__getattribute__)
+36 0 0.0000 0.0000 +<getattr>
1 0 0.0015 0.0004 mercurial.tags:148(_readtagcache)
Time: real 0.060 secs (user 0.030+0.000 sys 0.010+0.000)
author | Brodie Rao <brodie@sf.io> |
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date | Sun, 13 May 2012 14:04:04 +0200 |
parents | 497deec204d1 |
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1 # help.py - help data for mercurial |
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2 # |
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3 # Copyright 2006 Matt Mackall <mpm@selenic.com> |
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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 i18n import gettext, _ |
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9 import itertools, sys, os |
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10 import extensions, revset, fileset, templatekw, templatefilters, filemerge |
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11 import encoding, util |
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12 |
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13 def listexts(header, exts, indent=1): |
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14 '''return a text listing of the given extensions''' |
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15 if not exts: |
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16 return '' |
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17 maxlength = max(len(e) for e in exts) |
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18 result = '\n%s\n\n' % header |
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19 for name, desc in sorted(exts.iteritems()): |
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20 result += '%s%-*s %s\n' % (' ' * indent, maxlength + 2, |
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21 ':%s:' % name, desc) |
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22 return result |
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23 |
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24 def extshelp(): |
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25 doc = loaddoc('extensions')() |
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26 doc += listexts(_('enabled extensions:'), extensions.enabled()) |
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27 doc += listexts(_('disabled extensions:'), extensions.disabled()) |
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28 return doc |
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29 |
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30 def topicmatch(kw): |
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31 """Return help topics matching kw. |
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32 |
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33 Returns {'section': [(name, summary), ...], ...} where section is |
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34 one of topics, commands, extensions, or extensioncommands. |
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35 """ |
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36 kw = encoding.lower(kw) |
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37 def lowercontains(container): |
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38 return kw in encoding.lower(_(container)) |
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39 results = {'topics': [], |
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40 'commands': [], |
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41 'extensions': [], |
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42 'extensioncommands': [], |
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43 } |
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44 for names, header, doc in helptable: |
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45 if (sum(map(lowercontains, names)) |
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46 or lowercontains(header) |
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47 or lowercontains(doc())): |
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48 results['topics'].append((names[0], header)) |
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49 import commands # avoid cycle |
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50 for cmd, entry in commands.table.iteritems(): |
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51 if cmd.startswith('debug'): |
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52 continue |
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53 if len(entry) == 3: |
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54 summary = entry[2] |
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55 else: |
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56 summary = '' |
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57 docs = getattr(entry[0], '__doc__', None) or '' |
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58 if kw in cmd or lowercontains(summary) or lowercontains(docs): |
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59 doclines = _(docs).splitlines() |
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60 if doclines: |
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61 summary = doclines[0] |
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62 cmdname = cmd.split('|')[0].lstrip('^') |
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63 results['commands'].append((cmdname, summary)) |
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64 for name, docs in itertools.chain( |
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65 extensions.enabled().iteritems(), |
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66 extensions.disabled().iteritems()): |
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67 # extensions.load ignores the UI argument |
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68 mod = extensions.load(None, name, '') |
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69 if lowercontains(name) or lowercontains(docs): |
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70 results['extensions'].append((name, _(docs).splitlines()[0])) |
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71 for cmd, entry in getattr(mod, 'cmdtable', {}).iteritems(): |
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72 if kw in cmd or (len(entry) > 2 and lowercontains(entry[2])): |
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73 cmdname = cmd.split('|')[0].lstrip('^') |
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74 results['extensioncommands'].append( |
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75 (cmdname, _(getattr(cmd, '__doc__', '')))) |
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76 return results |
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77 |
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78 def loaddoc(topic): |
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79 """Return a delayed loader for help/topic.txt.""" |
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81 def loader(): |
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82 if util.mainfrozen(): |
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83 module = sys.executable |
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84 else: |
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85 module = __file__ |
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86 base = os.path.dirname(module) |
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87 |
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88 for dir in ('.', '..'): |
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89 docdir = os.path.join(base, dir, 'help') |
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90 if os.path.isdir(docdir): |
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91 break |
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92 |
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93 path = os.path.join(docdir, topic + ".txt") |
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94 doc = gettext(util.readfile(path)) |
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95 for rewriter in helphooks.get(topic, []): |
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96 doc = rewriter(topic, doc) |
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97 return doc |
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98 |
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99 return loader |
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100 |
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101 helptable = sorted([ |
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102 (["config", "hgrc"], _("Configuration Files"), loaddoc('config')), |
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103 (["dates"], _("Date Formats"), loaddoc('dates')), |
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104 (["patterns"], _("File Name Patterns"), loaddoc('patterns')), |
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105 (['environment', 'env'], _('Environment Variables'), |
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106 loaddoc('environment')), |
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107 (['revs', 'revisions'], _('Specifying Single Revisions'), |
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108 loaddoc('revisions')), |
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109 (['mrevs', 'multirevs'], _('Specifying Multiple Revisions'), |
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110 loaddoc('multirevs')), |
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111 (['revset', 'revsets'], _("Specifying Revision Sets"), loaddoc('revsets')), |
14686 | 112 (['fileset', 'filesets'], _("Specifying File Sets"), loaddoc('filesets')), |
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113 (['diffs'], _('Diff Formats'), loaddoc('diffs')), |
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114 (['merge-tools'], _('Merge Tools'), loaddoc('merge-tools')), |
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115 (['templating', 'templates', 'template', 'style'], _('Template Usage'), |
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116 loaddoc('templates')), |
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117 (['urls'], _('URL Paths'), loaddoc('urls')), |
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118 (["extensions"], _("Using Additional Features"), extshelp), |
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119 (["subrepo", "subrepos"], _("Subrepositories"), loaddoc('subrepos')), |
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120 (["hgweb"], _("Configuring hgweb"), loaddoc('hgweb')), |
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121 (["glossary"], _("Glossary"), loaddoc('glossary')), |
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122 (["hgignore", "ignore"], _("Syntax for Mercurial Ignore Files"), |
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123 loaddoc('hgignore')), |
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125 ]) |
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126 |
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127 # Map topics to lists of callable taking the current topic help and |
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128 # returning the updated version |
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129 helphooks = {} |
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130 |
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131 def addtopichook(topic, rewriter): |
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132 helphooks.setdefault(topic, []).append(rewriter) |
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133 |
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134 def makeitemsdoc(topic, doc, marker, items): |
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135 """Extract docstring from the items key to function mapping, build a |
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136 .single documentation block and use it to overwrite the marker in doc |
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137 """ |
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138 entries = [] |
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139 for name in sorted(items): |
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140 text = (items[name].__doc__ or '').rstrip() |
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141 if not text: |
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142 continue |
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143 text = gettext(text) |
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144 lines = text.splitlines() |
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145 doclines = [(lines[0])] |
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146 for l in lines[1:]: |
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147 # Stop once we find some Python doctest |
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148 if l.strip().startswith('>>>'): |
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149 break |
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150 doclines.append(' ' + l.strip()) |
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151 entries.append('\n'.join(doclines)) |
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152 entries = '\n\n'.join(entries) |
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153 return doc.replace(marker, entries) |
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154 |
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155 def addtopicsymbols(topic, marker, symbols): |
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156 def add(topic, doc): |
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157 return makeitemsdoc(topic, doc, marker, symbols) |
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158 addtopichook(topic, add) |
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159 |
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161 addtopicsymbols('merge-tools', '.. internaltoolsmarker', filemerge.internals) |
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162 addtopicsymbols('revsets', '.. predicatesmarker', revset.symbols) |
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163 addtopicsymbols('templates', '.. keywordsmarker', templatekw.keywords) |
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164 addtopicsymbols('templates', '.. filtersmarker', templatefilters.filters) |