1
# Copyright (C) 2006 Canonical Ltd
3
# This program is free software; you can redistribute it and/or modify
4
# it under the terms of the GNU General Public License as published by
5
# the Free Software Foundation; either version 2 of the License, or
6
# (at your option) any later version.
8
# This program is distributed in the hope that it will be useful,
9
# but WITHOUT ANY WARRANTY; without even the implied warranty of
10
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11
# GNU General Public License for more details.
13
# You should have received a copy of the GNU General Public License
14
# along with this program; if not, write to the Free Software
15
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17
"""A collection of extra help information for using bzr.
19
Help topics are meant to be help for items that aren't commands, but will
20
help bzr become fully learnable without referring to a tutorial.
23
from bzrlib import registry
26
class HelpTopicRegistry(registry.Registry):
27
"""A Registry customized for handling help topics."""
29
def register(self, topic, detail, summary):
30
"""Register a new help topic.
32
:param topic: Name of documentation entry
33
:param detail: Function or string object providing detailed
34
documentation for topic. Function interface is detail(topic).
35
This should return a text string of the detailed information.
36
:param summary: String providing single-line documentation for topic.
38
# The detail is stored as the 'object' and the
39
super(HelpTopicRegistry, self).register(topic, detail, info=summary)
41
def register_lazy(self, topic, module_name, member_name, summary):
42
"""Register a new help topic, and import the details on demand.
44
:param topic: Name of documentation entry
45
:param module_name: The module to find the detailed help.
46
:param member_name: The member of the module to use for detailed help.
47
:param summary: String providing single-line documentation for topic.
49
super(HelpTopicRegistry, self).register_lazy(topic, module_name,
50
member_name, info=summary)
52
def get_detail(self, topic):
53
"""Get the detailed help on a given topic."""
60
def get_summary(self, topic):
61
"""Get the single line summary for the topic."""
62
return self.get_info(topic)
65
topic_registry = HelpTopicRegistry()
68
#----------------------------------------------------
70
def _help_on_topics(dummy):
71
"""Write out the help for topics to outfile"""
73
topics = topic_registry.keys()
74
lmax = max(len(topic) for topic in topics)
78
summary = topic_registry.get_summary(topic)
79
out.append("%-*s %s\n" % (lmax, topic, summary))
83
def _help_on_revisionspec(name):
84
""""Write the summary help for all documented topics to outfile."""
85
import bzrlib.revisionspec
88
out.append("\nRevision prefix specifier:"
89
"\n--------------------------\n")
91
for i in bzrlib.revisionspec.SPEC_TYPES:
93
if doc == bzrlib.revisionspec.RevisionSpec.help_txt:
95
while (doc[-2:] == '\n\n' or doc[-1:] == ' '):
98
out.append(" %s %s\n\n" % (i.prefix, doc))
104
"""Bazaar -- a free distributed version-control tool
105
http://bazaar-vcs.org/
109
bzr init makes this directory a versioned branch
110
bzr branch make a copy of another branch
112
bzr add make files or directories versioned
113
bzr ignore ignore a file or pattern
114
bzr mv move or rename a versioned file
116
bzr status summarize changes in working copy
117
bzr diff show detailed diffs
119
bzr merge pull in changes from another branch
120
bzr commit save some or all changes
122
bzr log show history of changes
123
bzr check validate storage
125
bzr help init more help on e.g. init command
126
bzr help commands list all commands
127
bzr help topics list all help topics
131
topic_registry.register("revisionspec", _help_on_revisionspec,
132
"Explain how to use --revision")
133
topic_registry.register('basic', _basic_help, "Basic commands")
134
topic_registry.register('topics', _help_on_topics, "Topics list")
added
removed
bzrlib/help_topics.py
