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# Copyright (C) 2006 Canonical Ltd
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""A collection of extra help information for using bzr.
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Help topics are meant to be help for items that aren't commands, but will
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help bzr become fully learnable without referring to a tutorial.
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from bzrlib import registry
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class HelpTopicRegistry(registry.Registry):
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"""A Registry customized for handling help topics."""
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def register(self, topic, detail, summary):
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"""Register a new help topic.
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:param topic: Name of documentation entry
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:param detail: Function or string object providing detailed
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documentation for topic. Function interface is detail(topic).
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This should return a text string of the detailed information.
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:param summary: String providing single-line documentation for topic.
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# The detail is stored as the 'object' and the
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super(HelpTopicRegistry, self).register(topic, detail, info=summary)
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def register_lazy(self, topic, module_name, member_name, summary):
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"""Register a new help topic, and import the details on demand.
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:param topic: Name of documentation entry
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:param module_name: The module to find the detailed help.
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:param member_name: The member of the module to use for detailed help.
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:param summary: String providing single-line documentation for topic.
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super(HelpTopicRegistry, self).register_lazy(topic, module_name,
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member_name, info=summary)
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def get_detail(self, topic):
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"""Get the detailed help on a given topic."""
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def get_summary(self, topic):
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"""Get the single line summary for the topic."""
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return self.get_info(topic)
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topic_registry = HelpTopicRegistry()
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#----------------------------------------------------
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def _help_on_topics(dummy):
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"""Write out the help for topics to outfile"""
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topics = topic_registry.keys()
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lmax = max(len(topic) for topic in topics)
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summary = topic_registry.get_summary(topic)
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out.append("%-*s %s\n" % (lmax, topic, summary))
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def _help_on_revisionspec(name):
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""""Write the summary help for all documented topics to outfile."""
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import bzrlib.revisionspec
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out.append("\nRevision prefix specifier:"
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"\n--------------------------\n")
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for i in bzrlib.revisionspec.SPEC_TYPES:
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if doc == bzrlib.revisionspec.RevisionSpec.help_txt:
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while (doc[-2:] == '\n\n' or doc[-1:] == ' '):
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out.append(" %s %s\n\n" % (i.prefix, doc))
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"""Bazaar -- a free distributed version-control tool
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http://bazaar-vcs.org/
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bzr init makes this directory a versioned branch
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bzr branch make a copy of another branch
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bzr add make files or directories versioned
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bzr ignore ignore a file or pattern
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bzr mv move or rename a versioned file
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bzr status summarize changes in working copy
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bzr diff show detailed diffs
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bzr merge pull in changes from another branch
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bzr commit save some or all changes
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bzr log show history of changes
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bzr check validate storage
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bzr help init more help on e.g. init command
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bzr help commands list all commands
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bzr help topics list all help topics
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topic_registry.register("revisionspec", _help_on_revisionspec,
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"Explain how to use --revision")
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topic_registry.register('basic', _basic_help, "Basic commands")
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topic_registry.register('topics', _help_on_topics, "Topics list")
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def get_format_topic(topic):
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from bzrlib import bzrdir
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return bzrdir.format_registry.help_topic(topic)
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topic_registry.register('formats', get_format_topic, 'Directory formats')
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bzrlib/help_topics.py
