Mercurial > hg
view mercurial/help.py @ 17644:9ae073f10572
histedit: fold in memory
Update the folding code to works in memory instead of applying patches on the
working directory. This is cleaner, faster and prepare the removal of the whole
patching logic.
This new collapse function will probably move into core sooner or later. A lot
of other rewriting operation may benefit from it.
author | Pierre-Yves David <pierre-yves.david@logilab.fr> |
---|---|
date | Fri, 21 Sep 2012 19:24:31 +0200 |
parents | 2be2a070f294 |
children | b623e323c561 |
line wrap: on
line source
# help.py - help data for mercurial # # Copyright 2006 Matt Mackall <mpm@selenic.com> # # This software may be used and distributed according to the terms of the # GNU General Public License version 2 or any later version. from i18n import gettext, _ import itertools, sys, os import extensions, revset, fileset, templatekw, templatefilters, filemerge import encoding, util, minirst def listexts(header, exts, indent=1): '''return a text listing of the given extensions''' rst = [] if exts: rst.append('\n%s\n\n' % header) for name, desc in sorted(exts.iteritems()): rst.append('%s:%s: %s\n' % (' ' * indent, name, desc)) return rst def extshelp(): rst = loaddoc('extensions')().splitlines(True) rst.extend(listexts(_('enabled extensions:'), extensions.enabled())) rst.extend(listexts(_('disabled extensions:'), extensions.disabled())) doc = ''.join(rst) return doc def optrst(options, verbose): data = [] multioccur = False for option in options: if len(option) == 5: shortopt, longopt, default, desc, optlabel = option else: shortopt, longopt, default, desc = option optlabel = _("VALUE") # default label if _("DEPRECATED") in desc and not verbose: continue so = '' if shortopt: so = '-' + shortopt lo = '--' + longopt if default: desc += _(" (default: %s)") % default if isinstance(default, list): lo += " %s [+]" % optlabel multioccur = True elif (default is not None) and not isinstance(default, bool): lo += " %s" % optlabel data.append((so, lo, desc)) rst = minirst.maketable(data, 1) if multioccur: rst.append(_("\n[+] marked option can be specified multiple times\n")) return ''.join(rst) def topicmatch(kw): """Return help topics matching kw. Returns {'section': [(name, summary), ...], ...} where section is one of topics, commands, extensions, or extensioncommands. """ kw = encoding.lower(kw) def lowercontains(container): return kw in encoding.lower(container) # translated in helptable results = {'topics': [], 'commands': [], 'extensions': [], 'extensioncommands': [], } for names, header, doc in helptable: if (sum(map(lowercontains, names)) or lowercontains(header) or lowercontains(doc())): results['topics'].append((names[0], header)) import commands # avoid cycle for cmd, entry in commands.table.iteritems(): if cmd.startswith('debug'): continue if len(entry) == 3: summary = entry[2] else: summary = '' # translate docs *before* searching there docs = _(getattr(entry[0], '__doc__', None)) or '' if kw in cmd or lowercontains(summary) or lowercontains(docs): doclines = docs.splitlines() if doclines: summary = doclines[0] cmdname = cmd.split('|')[0].lstrip('^') results['commands'].append((cmdname, summary)) for name, docs in itertools.chain( extensions.enabled().iteritems(), extensions.disabled().iteritems()): # extensions.load ignores the UI argument mod = extensions.load(None, name, '') if lowercontains(name) or lowercontains(docs): # extension docs are already translated results['extensions'].append((name, docs.splitlines()[0])) for cmd, entry in getattr(mod, 'cmdtable', {}).iteritems(): if kw in cmd or (len(entry) > 2 and lowercontains(entry[2])): cmdname = cmd.split('|')[0].lstrip('^') if entry[0].__doc__: cmddoc = gettext(entry[0].__doc__).splitlines()[0] else: cmddoc = _('(no help text available)') results['extensioncommands'].append((cmdname, cmddoc)) return results def loaddoc(topic): """Return a delayed loader for help/topic.txt.""" def loader(): if util.mainfrozen(): module = sys.executable else: module = __file__ base = os.path.dirname(module) for dir in ('.', '..'): docdir = os.path.join(base, dir, 'help') if os.path.isdir(docdir): break path = os.path.join(docdir, topic + ".txt") doc = gettext(util.readfile(path)) for rewriter in helphooks.get(topic, []): doc = rewriter(topic, doc) return doc return loader helptable = sorted([ (["config", "hgrc"], _("Configuration Files"), loaddoc('config')), (["dates"], _("Date Formats"), loaddoc('dates')), (["patterns"], _("File Name Patterns"), loaddoc('patterns')), (['environment', 'env'], _('Environment Variables'), loaddoc('environment')), (['revisions', 'revs'], _('Specifying Single Revisions'), loaddoc('revisions')), (['multirevs', 'mrevs'], _('Specifying Multiple Revisions'), loaddoc('multirevs')), (['revsets', 'revset'], _("Specifying Revision Sets"), loaddoc('revsets')), (['filesets', 'fileset'], _("Specifying File Sets"), loaddoc('filesets')), (['diffs'], _('Diff Formats'), loaddoc('diffs')), (['merge-tools', 'mergetools'], _('Merge Tools'), loaddoc('merge-tools')), (['templating', 'templates', 'template', 'style'], _('Template Usage'), loaddoc('templates')), (['urls'], _('URL Paths'), loaddoc('urls')), (["extensions"], _("Using Additional Features"), extshelp), (["subrepos", "subrepo"], _("Subrepositories"), loaddoc('subrepos')), (["hgweb"], _("Configuring hgweb"), loaddoc('hgweb')), (["glossary"], _("Glossary"), loaddoc('glossary')), (["hgignore", "ignore"], _("Syntax for Mercurial Ignore Files"), loaddoc('hgignore')), (["phases"], _("Working with Phases"), loaddoc('phases')), ]) # Map topics to lists of callable taking the current topic help and # returning the updated version helphooks = {} def addtopichook(topic, rewriter): helphooks.setdefault(topic, []).append(rewriter) def makeitemsdoc(topic, doc, marker, items): """Extract docstring from the items key to function mapping, build a .single documentation block and use it to overwrite the marker in doc """ entries = [] for name in sorted(items): text = (items[name].__doc__ or '').rstrip() if not text: continue text = gettext(text) lines = text.splitlines() doclines = [(lines[0])] for l in lines[1:]: # Stop once we find some Python doctest if l.strip().startswith('>>>'): break doclines.append(' ' + l.strip()) entries.append('\n'.join(doclines)) entries = '\n\n'.join(entries) return doc.replace(marker, entries) def addtopicsymbols(topic, marker, symbols): def add(topic, doc): return makeitemsdoc(topic, doc, marker, symbols) addtopichook(topic, add) addtopicsymbols('filesets', '.. predicatesmarker', fileset.symbols) addtopicsymbols('merge-tools', '.. internaltoolsmarker', filemerge.internals) addtopicsymbols('revsets', '.. predicatesmarker', revset.symbols) addtopicsymbols('templates', '.. keywordsmarker', templatekw.dockeywords) addtopicsymbols('templates', '.. filtersmarker', templatefilters.filters)