Mercurial > hg
annotate mercurial/help.py @ 36809:3c15b84ab66c
hgweb: teach WSGI parser about query strings
Currently, req.form uses cgi.parse() to populate form data. Depending
on the request, form data can come from POST multipart/form-data,
application/x-www-form-urlencoded, or the URL query string.
Putting all these things into one data structure makes it difficult
to reason about how exactly parameters got to the request. It can
lead to wonkiness such as pulling parameters from both the URL and
POST data.
This commit teaches our WSGI request parser about argument data
in query strings. We populate fields containing the query string
data and only the query string data so it can't be confused with
POST data.
Differential Revision: https://phab.mercurial-scm.org/D2737
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Thu, 08 Mar 2018 11:21:46 -0800 |
parents | 1fa35ca345a5 |
children | 521f6c7e1756 |
rev | line source |
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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 __future__ import absolute_import |
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9 |
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10 import itertools |
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11 import os |
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12 import textwrap |
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13 |
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14 from .i18n import ( |
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15 _, |
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16 gettext, |
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17 ) |
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18 from . import ( |
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19 cmdutil, |
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20 encoding, |
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21 error, |
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22 extensions, |
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23 filemerge, |
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24 fileset, |
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25 minirst, |
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26 pycompat, |
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27 revset, |
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28 templatefilters, |
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29 templatekw, |
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30 templater, |
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31 util, |
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32 ) |
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33 from .hgweb import ( |
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34 webcommands, |
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35 ) |
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36 |
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37 _exclkeywords = { |
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38 "(ADVANCED)", |
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39 "(DEPRECATED)", |
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40 "(EXPERIMENTAL)", |
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41 # i18n: "(ADVANCED)" is a keyword, must be translated consistently |
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42 _("(ADVANCED)"), |
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43 # i18n: "(DEPRECATED)" is a keyword, must be translated consistently |
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44 _("(DEPRECATED)"), |
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45 # i18n: "(EXPERIMENTAL)" is a keyword, must be translated consistently |
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46 _("(EXPERIMENTAL)"), |
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47 } |
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48 |
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49 def listexts(header, exts, indent=1, showdeprecated=False): |
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50 '''return a text listing of the given extensions''' |
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51 rst = [] |
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52 if exts: |
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53 for name, desc in sorted(exts.iteritems()): |
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54 if not showdeprecated and any(w in desc for w in _exclkeywords): |
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55 continue |
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56 rst.append('%s:%s: %s\n' % (' ' * indent, name, desc)) |
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57 if rst: |
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58 rst.insert(0, '\n%s\n\n' % header) |
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59 return rst |
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60 |
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61 def extshelp(ui): |
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62 rst = loaddoc('extensions')(ui).splitlines(True) |
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63 rst.extend(listexts( |
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64 _('enabled extensions:'), extensions.enabled(), showdeprecated=True)) |
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65 rst.extend(listexts(_('disabled extensions:'), extensions.disabled(), |
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66 showdeprecated=ui.verbose)) |
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67 doc = ''.join(rst) |
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68 return doc |
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69 |
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70 def optrst(header, options, verbose): |
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71 data = [] |
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72 multioccur = False |
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73 for option in options: |
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74 if len(option) == 5: |
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75 shortopt, longopt, default, desc, optlabel = option |
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76 else: |
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77 shortopt, longopt, default, desc = option |
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78 optlabel = _("VALUE") # default label |
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79 |
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80 if not verbose and any(w in desc for w in _exclkeywords): |
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81 continue |
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82 |
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83 so = '' |
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84 if shortopt: |
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85 so = '-' + shortopt |
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86 lo = '--' + longopt |
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87 if default: |
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88 # default is of unknown type, and in Python 2 we abused |
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89 # the %s-shows-repr property to handle integers etc. To |
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90 # match that behavior on Python 3, we do str(default) and |
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91 # then convert it to bytes. |
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92 desc += _(" (default: %s)") % pycompat.bytestr(default) |
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93 |
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94 if isinstance(default, list): |
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95 lo += " %s [+]" % optlabel |
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96 multioccur = True |
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97 elif (default is not None) and not isinstance(default, bool): |
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98 lo += " %s" % optlabel |
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99 |
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100 data.append((so, lo, desc)) |
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101 |
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102 if multioccur: |
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103 header += (_(" ([+] can be repeated)")) |
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104 |
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105 rst = ['\n%s:\n\n' % header] |
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106 rst.extend(minirst.maketable(data, 1)) |
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107 |
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108 return ''.join(rst) |
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109 |
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110 def indicateomitted(rst, omitted, notomitted=None): |
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111 rst.append('\n\n.. container:: omitted\n\n %s\n\n' % omitted) |
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112 if notomitted: |
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113 rst.append('\n\n.. container:: notomitted\n\n %s\n\n' % notomitted) |
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114 |
27323 | 115 def filtercmd(ui, cmd, kw, doc): |
116 if not ui.debugflag and cmd.startswith("debug") and kw != "debug": | |
117 return True | |
118 if not ui.verbose and doc and any(w in doc for w in _exclkeywords): | |
119 return True | |
120 return False | |
121 | |
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122 def topicmatch(ui, commands, kw): |
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123 """Return help topics matching kw. |
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124 |
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125 Returns {'section': [(name, summary), ...], ...} where section is |
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126 one of topics, commands, extensions, or extensioncommands. |
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127 """ |
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128 kw = encoding.lower(kw) |
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129 def lowercontains(container): |
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130 return kw in encoding.lower(container) # translated in helptable |
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131 results = {'topics': [], |
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132 'commands': [], |
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133 'extensions': [], |
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134 'extensioncommands': [], |
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135 } |
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136 for names, header, doc in helptable: |
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137 # Old extensions may use a str as doc. |
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138 if (sum(map(lowercontains, names)) |
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139 or lowercontains(header) |
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140 or (callable(doc) and lowercontains(doc(ui)))): |
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141 results['topics'].append((names[0], header)) |
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142 for cmd, entry in commands.table.iteritems(): |
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143 if len(entry) == 3: |
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144 summary = entry[2] |
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145 else: |
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146 summary = '' |
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147 # translate docs *before* searching there |
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148 docs = _(pycompat.getdoc(entry[0])) or '' |
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149 if kw in cmd or lowercontains(summary) or lowercontains(docs): |
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150 doclines = docs.splitlines() |
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151 if doclines: |
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152 summary = doclines[0] |
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153 cmdname = cmdutil.parsealiases(cmd)[0] |
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154 if filtercmd(ui, cmdname, kw, docs): |
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155 continue |
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156 results['commands'].append((cmdname, summary)) |
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157 for name, docs in itertools.chain( |
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158 extensions.enabled(False).iteritems(), |
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159 extensions.disabled().iteritems()): |
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160 if not docs: |
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161 continue |
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162 name = name.rpartition('.')[-1] |
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163 if lowercontains(name) or lowercontains(docs): |
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164 # extension docs are already translated |
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165 results['extensions'].append((name, docs.splitlines()[0])) |
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166 try: |
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167 mod = extensions.load(ui, name, '') |
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168 except ImportError: |
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169 # debug message would be printed in extensions.load() |
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170 continue |
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171 for cmd, entry in getattr(mod, 'cmdtable', {}).iteritems(): |
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172 if kw in cmd or (len(entry) > 2 and lowercontains(entry[2])): |
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173 cmdname = cmdutil.parsealiases(cmd)[0] |
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174 cmddoc = pycompat.getdoc(entry[0]) |
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175 if cmddoc: |
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176 cmddoc = gettext(cmddoc).splitlines()[0] |
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177 else: |
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178 cmddoc = _('(no help text available)') |
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179 if filtercmd(ui, cmdname, kw, cmddoc): |
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180 continue |
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181 results['extensioncommands'].append((cmdname, cmddoc)) |
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182 return results |
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183 |
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184 def loaddoc(topic, subdir=None): |
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185 """Return a delayed loader for help/topic.txt.""" |
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187 def loader(ui): |
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188 docdir = os.path.join(util.datapath, 'help') |
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189 if subdir: |
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190 docdir = os.path.join(docdir, subdir) |
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191 path = os.path.join(docdir, topic + ".txt") |
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192 doc = gettext(util.readfile(path)) |
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193 for rewriter in helphooks.get(topic, []): |
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194 doc = rewriter(ui, topic, doc) |
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195 return doc |
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196 |
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197 return loader |
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198 |
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199 internalstable = sorted([ |
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200 (['bundle2'], _('Bundle2'), |
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201 loaddoc('bundle2', subdir='internals')), |
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202 (['bundles'], _('Bundles'), |
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203 loaddoc('bundles', subdir='internals')), |
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204 (['censor'], _('Censor'), |
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205 loaddoc('censor', subdir='internals')), |
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206 (['changegroups'], _('Changegroups'), |
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207 loaddoc('changegroups', subdir='internals')), |
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208 (['config'], _('Config Registrar'), |
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209 loaddoc('config', subdir='internals')), |
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210 (['requirements'], _('Repository Requirements'), |
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211 loaddoc('requirements', subdir='internals')), |
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212 (['revlogs'], _('Revision Logs'), |
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213 loaddoc('revlogs', subdir='internals')), |
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214 (['wireprotocol'], _('Wire Protocol'), |
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215 loaddoc('wireprotocol', subdir='internals')), |
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216 ]) |
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217 |
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218 def internalshelp(ui): |
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219 """Generate the index for the "internals" topic.""" |
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220 lines = ['To access a subtopic, use "hg help internals.{subtopic-name}"\n', |
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221 '\n'] |
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222 for names, header, doc in internalstable: |
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223 lines.append(' :%s: %s\n' % (names[0], header)) |
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224 |
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225 return ''.join(lines) |
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226 |
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227 helptable = sorted([ |
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228 (['bundlespec'], _("Bundle File Formats"), loaddoc('bundlespec')), |
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229 (['color'], _("Colorizing Outputs"), loaddoc('color')), |
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230 (["config", "hgrc"], _("Configuration Files"), loaddoc('config')), |
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231 (["dates"], _("Date Formats"), loaddoc('dates')), |
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232 (["flags"], _("Command-line flags"), loaddoc('flags')), |
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233 (["patterns"], _("File Name Patterns"), loaddoc('patterns')), |
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234 (['environment', 'env'], _('Environment Variables'), |
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235 loaddoc('environment')), |
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236 (['revisions', 'revs', 'revsets', 'revset', 'multirevs', 'mrevs'], |
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237 _('Specifying Revisions'), loaddoc('revisions')), |
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238 (['filesets', 'fileset'], _("Specifying File Sets"), loaddoc('filesets')), |
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239 (['diffs'], _('Diff Formats'), loaddoc('diffs')), |
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240 (['merge-tools', 'mergetools', 'mergetool'], _('Merge Tools'), |
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241 loaddoc('merge-tools')), |
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242 (['templating', 'templates', 'template', 'style'], _('Template Usage'), |
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243 loaddoc('templates')), |
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244 (['urls'], _('URL Paths'), loaddoc('urls')), |
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245 (["extensions"], _("Using Additional Features"), extshelp), |
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246 (["subrepos", "subrepo"], _("Subrepositories"), loaddoc('subrepos')), |
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247 (["hgweb"], _("Configuring hgweb"), loaddoc('hgweb')), |
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248 (["glossary"], _("Glossary"), loaddoc('glossary')), |
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249 (["hgignore", "ignore"], _("Syntax for Mercurial Ignore Files"), |
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250 loaddoc('hgignore')), |
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251 (["phases"], _("Working with Phases"), loaddoc('phases')), |
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252 (['scripting'], _('Using Mercurial from scripts and automation'), |
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253 loaddoc('scripting')), |
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254 (['internals'], _("Technical implementation topics"), |
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255 internalshelp), |
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256 (['pager'], _("Pager Support"), loaddoc('pager')), |
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257 ]) |
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258 |
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259 # Maps topics with sub-topics to a list of their sub-topics. |
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260 subtopics = { |
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261 'internals': internalstable, |
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262 } |
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263 |
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264 # Map topics to lists of callable taking the current topic help and |
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265 # returning the updated version |
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266 helphooks = {} |
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267 |
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268 def addtopichook(topic, rewriter): |
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269 helphooks.setdefault(topic, []).append(rewriter) |
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270 |
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271 def makeitemsdoc(ui, topic, doc, marker, items, dedent=False): |
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272 """Extract docstring from the items key to function mapping, build a |
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273 single documentation block and use it to overwrite the marker in doc. |
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274 """ |
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275 entries = [] |
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276 for name in sorted(items): |
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277 text = (pycompat.getdoc(items[name]) or '').rstrip() |
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278 if (not text |
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279 or not ui.verbose and any(w in text for w in _exclkeywords)): |
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280 continue |
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281 text = gettext(text) |
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282 if dedent: |
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283 # Abuse latin1 to use textwrap.dedent() on bytes. |
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284 text = textwrap.dedent(text.decode('latin1')).encode('latin1') |
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285 lines = text.splitlines() |
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286 doclines = [(lines[0])] |
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287 for l in lines[1:]: |
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288 # Stop once we find some Python doctest |
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289 if l.strip().startswith('>>>'): |
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290 break |
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291 if dedent: |
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292 doclines.append(l.rstrip()) |
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293 else: |
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294 doclines.append(' ' + l.strip()) |
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295 entries.append('\n'.join(doclines)) |
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296 entries = '\n\n'.join(entries) |
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297 return doc.replace(marker, entries) |
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298 |
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299 def addtopicsymbols(topic, marker, symbols, dedent=False): |
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300 def add(ui, topic, doc): |
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301 return makeitemsdoc(ui, topic, doc, marker, symbols, dedent=dedent) |
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302 addtopichook(topic, add) |
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303 |
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304 addtopicsymbols('bundlespec', '.. bundlecompressionmarker', |
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305 util.bundlecompressiontopics()) |
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307 addtopicsymbols('merge-tools', '.. internaltoolsmarker', |
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308 filemerge.internalsdoc) |
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309 addtopicsymbols('revisions', '.. predicatesmarker', revset.symbols) |
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310 addtopicsymbols('templates', '.. keywordsmarker', templatekw.keywords) |
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311 addtopicsymbols('templates', '.. filtersmarker', templatefilters.filters) |
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312 addtopicsymbols('templates', '.. functionsmarker', templater.funcs) |
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313 addtopicsymbols('hgweb', '.. webcommandsmarker', webcommands.commands, |
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314 dedent=True) |
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315 |
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316 def help_(ui, commands, name, unknowncmd=False, full=True, subtopic=None, |
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317 **opts): |
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318 ''' |
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319 Generate the help for 'name' as unformatted restructured text. If |
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320 'name' is None, describe the commands available. |
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321 ''' |
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322 |
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323 opts = pycompat.byteskwargs(opts) |
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324 |
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325 def helpcmd(name, subtopic=None): |
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326 try: |
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327 aliases, entry = cmdutil.findcmd(name, commands.table, |
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328 strict=unknowncmd) |
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329 except error.AmbiguousCommand as inst: |
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330 # py3k fix: except vars can't be used outside the scope of the |
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331 # except block, nor can be used inside a lambda. python issue4617 |
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332 prefix = inst.args[0] |
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333 select = lambda c: cmdutil.parsealiases(c)[0].startswith(prefix) |
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334 rst = helplist(select) |
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335 return rst |
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336 |
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337 rst = [] |
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338 |
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339 # check if it's an invalid alias and display its error if it is |
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340 if getattr(entry[0], 'badalias', None): |
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341 rst.append(entry[0].badalias + '\n') |
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342 if entry[0].unknowncmd: |
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343 try: |
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344 rst.extend(helpextcmd(entry[0].cmdname)) |
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345 except error.UnknownCommand: |
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346 pass |
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347 return rst |
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348 |
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349 # synopsis |
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350 if len(entry) > 2: |
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351 if entry[2].startswith('hg'): |
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352 rst.append("%s\n" % entry[2]) |
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353 else: |
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354 rst.append('hg %s %s\n' % (aliases[0], entry[2])) |
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355 else: |
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356 rst.append('hg %s\n' % aliases[0]) |
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357 # aliases |
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358 if full and not ui.quiet and len(aliases) > 1: |
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359 rst.append(_("\naliases: %s\n") % ', '.join(aliases[1:])) |
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360 rst.append('\n') |
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361 |
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362 # description |
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363 doc = gettext(pycompat.getdoc(entry[0])) |
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364 if not doc: |
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365 doc = _("(no help text available)") |
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366 if util.safehasattr(entry[0], 'definition'): # aliased command |
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367 source = entry[0].source |
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368 if entry[0].definition.startswith('!'): # shell alias |
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369 doc = (_('shell alias for::\n\n %s\n\ndefined by: %s\n') % |
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370 (entry[0].definition[1:], source)) |
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371 else: |
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372 doc = (_('alias for: hg %s\n\n%s\n\ndefined by: %s\n') % |
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373 (entry[0].definition, doc, source)) |
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374 doc = doc.splitlines(True) |
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375 if ui.quiet or not full: |
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376 rst.append(doc[0]) |
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377 else: |
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378 rst.extend(doc) |
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379 rst.append('\n') |
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380 |
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381 # check if this command shadows a non-trivial (multi-line) |
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382 # extension help text |
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383 try: |
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384 mod = extensions.find(name) |
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385 doc = gettext(pycompat.getdoc(mod)) or '' |
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386 if '\n' in doc.strip(): |
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387 msg = _("(use 'hg help -e %s' to show help for " |
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388 "the %s extension)") % (name, name) |
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389 rst.append('\n%s\n' % msg) |
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390 except KeyError: |
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391 pass |
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392 |
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393 # options |
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394 if not ui.quiet and entry[1]: |
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395 rst.append(optrst(_("options"), entry[1], ui.verbose)) |
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396 |
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397 if ui.verbose: |
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398 rst.append(optrst(_("global options"), |
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399 commands.globalopts, ui.verbose)) |
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400 |
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401 if not ui.verbose: |
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402 if not full: |
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403 rst.append(_("\n(use 'hg %s -h' to show more help)\n") |
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404 % name) |
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405 elif not ui.quiet: |
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406 rst.append(_('\n(some details hidden, use --verbose ' |
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407 'to show complete help)')) |
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408 |
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409 return rst |
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410 |
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411 |
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412 def helplist(select=None, **opts): |
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413 # list of commands |
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414 if name == "shortlist": |
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415 header = _('basic commands:\n\n') |
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416 elif name == "debug": |
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417 header = _('debug commands (internal and unsupported):\n\n') |
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418 else: |
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419 header = _('list of commands:\n\n') |
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420 |
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421 h = {} |
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422 cmds = {} |
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423 for c, e in commands.table.iteritems(): |
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424 fs = cmdutil.parsealiases(c) |
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425 f = fs[0] |
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426 p = '' |
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427 if c.startswith("^"): |
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428 p = '^' |
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429 if select and not select(p + f): |
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430 continue |
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431 if (not select and name != 'shortlist' and |
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432 e[0].__module__ != commands.__name__): |
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433 continue |
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434 if name == "shortlist" and not p: |
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435 continue |
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436 doc = pycompat.getdoc(e[0]) |
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438 continue |
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439 doc = gettext(doc) |
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440 if not doc: |
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441 doc = _("(no help text available)") |
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442 h[f] = doc.splitlines()[0].rstrip() |
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443 cmds[f] = '|'.join(fs) |
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444 |
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445 rst = [] |
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446 if not h: |
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447 if not ui.quiet: |
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448 rst.append(_('no commands defined\n')) |
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449 return rst |
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450 |
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451 if not ui.quiet: |
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452 rst.append(header) |
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453 fns = sorted(h) |
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454 for f in fns: |
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455 if ui.verbose: |
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456 commacmds = cmds[f].replace("|",", ") |
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457 rst.append(" :%s: %s\n" % (commacmds, h[f])) |
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458 else: |
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459 rst.append(' :%s: %s\n' % (f, h[f])) |
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460 |
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461 ex = opts.get |
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462 anyopts = (ex(r'keyword') or not (ex(r'command') or ex(r'extension'))) |
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463 if not name and anyopts: |
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464 exts = listexts(_('enabled extensions:'), extensions.enabled()) |
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465 if exts: |
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466 rst.append('\n') |
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467 rst.extend(exts) |
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468 |
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469 rst.append(_("\nadditional help topics:\n\n")) |
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470 topics = [] |
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471 for names, header, doc in helptable: |
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472 topics.append((names[0], header)) |
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473 for t, desc in topics: |
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474 rst.append(" :%s: %s\n" % (t, desc)) |
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475 |
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476 if ui.quiet: |
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477 pass |
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478 elif ui.verbose: |
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479 rst.append('\n%s\n' % optrst(_("global options"), |
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480 commands.globalopts, ui.verbose)) |
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481 if name == 'shortlist': |
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482 rst.append(_("\n(use 'hg help' for the full list " |
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483 "of commands)\n")) |
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484 else: |
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485 if name == 'shortlist': |
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486 rst.append(_("\n(use 'hg help' for the full list of commands " |
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487 "or 'hg -v' for details)\n")) |
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488 elif name and not full: |
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489 rst.append(_("\n(use 'hg help %s' to show the full help " |
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490 "text)\n") % name) |
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491 elif name and cmds and name in cmds.keys(): |
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492 rst.append(_("\n(use 'hg help -v -e %s' to show built-in " |
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493 "aliases and global options)\n") % name) |
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494 else: |
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495 rst.append(_("\n(use 'hg help -v%s' to show built-in aliases " |
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496 "and global options)\n") |
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497 % (name and " " + name or "")) |
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498 return rst |
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499 |
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500 def helptopic(name, subtopic=None): |
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501 # Look for sub-topic entry first. |
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502 header, doc = None, None |
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503 if subtopic and name in subtopics: |
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504 for names, header, doc in subtopics[name]: |
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505 if subtopic in names: |
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506 break |
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507 |
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508 if not header: |
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509 for names, header, doc in helptable: |
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510 if name in names: |
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511 break |
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512 else: |
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513 raise error.UnknownCommand(name) |
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514 |
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515 rst = [minirst.section(header)] |
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516 |
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517 # description |
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518 if not doc: |
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519 rst.append(" %s\n" % _("(no help text available)")) |
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Augie Fackler <raf@durin42.com>
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520 if callable(doc): |
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521 rst += [" %s\n" % l for l in doc(ui).splitlines()] |
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522 |
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523 if not ui.verbose: |
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524 omitted = _('(some details hidden, use --verbose' |
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525 ' to show complete help)') |
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526 indicateomitted(rst, omitted) |
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527 |
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528 try: |
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529 cmdutil.findcmd(name, commands.table) |
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530 rst.append(_("\nuse 'hg help -c %s' to see help for " |
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531 "the %s command\n") % (name, name)) |
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532 except error.UnknownCommand: |
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533 pass |
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534 return rst |
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535 |
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536 def helpext(name, subtopic=None): |
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537 try: |
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538 mod = extensions.find(name) |
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|
539 doc = gettext(pycompat.getdoc(mod)) or _('no help text available') |
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540 except KeyError: |
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541 mod = None |
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542 doc = extensions.disabledext(name) |
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543 if not doc: |
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544 raise error.UnknownCommand(name) |
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545 |
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546 if '\n' not in doc: |
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547 head, tail = doc, "" |
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548 else: |
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549 head, tail = doc.split('\n', 1) |
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550 rst = [_('%s extension - %s\n\n') % (name.rpartition('.')[-1], head)] |
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551 if tail: |
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552 rst.extend(tail.splitlines(True)) |
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553 rst.append('\n') |
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554 |
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555 if not ui.verbose: |
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556 omitted = _('(some details hidden, use --verbose' |
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557 ' to show complete help)') |
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558 indicateomitted(rst, omitted) |
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559 |
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560 if mod: |
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561 try: |
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562 ct = mod.cmdtable |
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563 except AttributeError: |
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564 ct = {} |
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565 modcmds = set([c.partition('|')[0] for c in ct]) |
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566 rst.extend(helplist(modcmds.__contains__)) |
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567 else: |
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568 rst.append(_("(use 'hg help extensions' for information on enabling" |
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569 " extensions)\n")) |
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570 return rst |
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571 |
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572 def helpextcmd(name, subtopic=None): |
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573 cmd, ext, mod = extensions.disabledcmd(ui, name, |
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574 ui.configbool('ui', 'strict')) |
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575 doc = gettext(pycompat.getdoc(mod)).splitlines()[0] |
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576 |
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577 rst = listexts(_("'%s' is provided by the following " |
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578 "extension:") % cmd, {ext: doc}, indent=4, |
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579 showdeprecated=True) |
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580 rst.append('\n') |
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581 rst.append(_("(use 'hg help extensions' for information on enabling " |
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582 "extensions)\n")) |
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583 return rst |
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584 |
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585 |
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586 rst = [] |
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587 kw = opts.get('keyword') |
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588 if kw or name is None and any(opts[o] for o in opts): |
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589 matches = topicmatch(ui, commands, name or '') |
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590 helpareas = [] |
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591 if opts.get('extension'): |
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592 helpareas += [('extensions', _('Extensions'))] |
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593 if opts.get('command'): |
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594 helpareas += [('commands', _('Commands'))] |
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595 if not helpareas: |
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596 helpareas = [('topics', _('Topics')), |
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597 ('commands', _('Commands')), |
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598 ('extensions', _('Extensions')), |
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599 ('extensioncommands', _('Extension Commands'))] |
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600 for t, title in helpareas: |
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601 if matches[t]: |
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602 rst.append('%s:\n\n' % title) |
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603 rst.extend(minirst.maketable(sorted(matches[t]), 1)) |
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604 rst.append('\n') |
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605 if not rst: |
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606 msg = _('no matches') |
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607 hint = _("try 'hg help' for a list of topics") |
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608 raise error.Abort(msg, hint=hint) |
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609 elif name and name != 'shortlist': |
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610 queries = [] |
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611 if unknowncmd: |
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612 queries += [helpextcmd] |
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613 if opts.get('extension'): |
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614 queries += [helpext] |
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615 if opts.get('command'): |
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616 queries += [helpcmd] |
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617 if not queries: |
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618 queries = (helptopic, helpcmd, helpext, helpextcmd) |
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619 for f in queries: |
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620 try: |
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621 rst = f(name, subtopic) |
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622 break |
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623 except error.UnknownCommand: |
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624 pass |
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625 else: |
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626 if unknowncmd: |
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627 raise error.UnknownCommand(name) |
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628 else: |
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629 msg = _('no such help topic: %s') % name |
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630 hint = _("try 'hg help --keyword %s'") % name |
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631 raise error.Abort(msg, hint=hint) |
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632 else: |
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633 # program name |
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634 if not ui.quiet: |
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635 rst = [_("Mercurial Distributed SCM\n"), '\n'] |
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636 rst.extend(helplist(None, **pycompat.strkwargs(opts))) |
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637 |
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638 return ''.join(rst) |
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639 |
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640 def formattedhelp(ui, commands, name, keep=None, unknowncmd=False, full=True, |
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641 **opts): |
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642 """get help for a given topic (as a dotted name) as rendered rst |
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643 |
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644 Either returns the rendered help text or raises an exception. |
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645 """ |
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646 if keep is None: |
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647 keep = [] |
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648 else: |
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649 keep = list(keep) # make a copy so we can mutate this later |
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650 fullname = name |
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651 section = None |
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652 subtopic = None |
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653 if name and '.' in name: |
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654 name, remaining = name.split('.', 1) |
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655 remaining = encoding.lower(remaining) |
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656 if '.' in remaining: |
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657 subtopic, section = remaining.split('.', 1) |
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658 else: |
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659 if name in subtopics: |
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660 subtopic = remaining |
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661 else: |
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662 section = remaining |
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663 textwidth = ui.configint('ui', 'textwidth') |
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664 termwidth = ui.termwidth() - 2 |
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665 if textwidth <= 0 or termwidth < textwidth: |
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666 textwidth = termwidth |
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667 text = help_(ui, commands, name, |
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668 subtopic=subtopic, unknowncmd=unknowncmd, full=full, **opts) |
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669 |
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670 formatted, pruned = minirst.format(text, textwidth, keep=keep, |
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671 section=section) |
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672 |
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673 # We could have been given a weird ".foo" section without a name |
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674 # to look for, or we could have simply failed to found "foo.bar" |
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675 # because bar isn't a section of foo |
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676 if section and not (formatted and name): |
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677 raise error.Abort(_("help section not found: %s") % fullname) |
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678 |
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679 if 'verbose' in pruned: |
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680 keep.append('omitted') |
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help: move rst formatting of help documents into help.py
Augie Fackler <augie@google.com>
parents:
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681 else: |
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help: move rst formatting of help documents into help.py
Augie Fackler <augie@google.com>
parents:
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682 keep.append('notomitted') |
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help: move rst formatting of help documents into help.py
Augie Fackler <augie@google.com>
parents:
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683 formatted, pruned = minirst.format(text, textwidth, keep=keep, |
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help: move rst formatting of help documents into help.py
Augie Fackler <augie@google.com>
parents:
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684 section=section) |
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help: move rst formatting of help documents into help.py
Augie Fackler <augie@google.com>
parents:
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685 return formatted |