author | Nishanth Amuluru <nishanth@fossee.in> |
Sun, 09 Jan 2011 11:13:36 +0530 | |
changeset 114 | 1a88b04adb39 |
parent 69 | c6bca38c1cbf |
permissions | -rw-r--r-- |
69
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# help.py - help data for mercurial |
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# |
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# Copyright 2006 Matt Mackall <mpm@selenic.com> |
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# |
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# This software may be used and distributed according to the terms of the |
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# GNU General Public License version 2 or any later version. |
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from i18n import gettext, _ |
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import sys, os |
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import extensions |
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|
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def moduledoc(file): |
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'''return the top-level python documentation for the given file |
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|
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Loosely inspired by pydoc.source_synopsis(), but rewritten to |
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handle triple quotes and to return the whole text instead of just |
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the synopsis''' |
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result = [] |
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|
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line = file.readline() |
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while line[:1] == '#' or not line.strip(): |
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line = file.readline() |
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if not line: |
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break |
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|
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start = line[:3] |
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if start == '"""' or start == "'''": |
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line = line[3:] |
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while line: |
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if line.rstrip().endswith(start): |
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line = line.split(start)[0] |
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if line: |
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result.append(line) |
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break |
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elif not line: |
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return None # unmatched delimiter |
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result.append(line) |
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line = file.readline() |
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else: |
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return None |
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|
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return ''.join(result) |
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|
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def listexts(header, exts, maxlength, indent=1): |
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'''return a text listing of the given extensions''' |
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if not exts: |
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return '' |
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result = '\n%s\n\n' % header |
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for name, desc in sorted(exts.iteritems()): |
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result += '%s%-*s %s\n' % (' ' * indent, maxlength + 2, |
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':%s:' % name, desc) |
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return result |
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def extshelp(): |
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doc = loaddoc('extensions')() |
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exts, maxlength = extensions.enabled() |
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doc += listexts(_('enabled extensions:'), exts, maxlength) |
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exts, maxlength = extensions.disabled() |
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doc += listexts(_('disabled extensions:'), exts, maxlength) |
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return doc |
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def loaddoc(topic): |
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"""Return a delayed loader for help/topic.txt.""" |
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def loader(): |
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if hasattr(sys, 'frozen'): |
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module = sys.executable |
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else: |
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module = __file__ |
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base = os.path.dirname(module) |
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for dir in ('.', '..'): |
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docdir = os.path.join(base, dir, 'help') |
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if os.path.isdir(docdir): |
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break |
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path = os.path.join(docdir, topic + ".txt") |
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doc = gettext(open(path).read()) |
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for rewriter in helphooks.get(topic, []): |
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doc = rewriter(topic, doc) |
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return doc |
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return loader |
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helptable = [ |
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(["config", "hgrc"], _("Configuration Files"), loaddoc('config')), |
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(["dates"], _("Date Formats"), loaddoc('dates')), |
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(["patterns"], _("File Name Patterns"), loaddoc('patterns')), |
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(['environment', 'env'], _('Environment Variables'), |
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loaddoc('environment')), |
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(['revs', 'revisions'], _('Specifying Single Revisions'), |
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loaddoc('revisions')), |
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(['mrevs', 'multirevs'], _('Specifying Multiple Revisions'), |
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loaddoc('multirevs')), |
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(['revset', 'revsets'], _("Specifying Revision Sets"), loaddoc('revsets')), |
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(['diffs'], _('Diff Formats'), loaddoc('diffs')), |
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(['merge-tools'], _('Merge Tools'), loaddoc('merge-tools')), |
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(['templating', 'templates'], _('Template Usage'), |
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loaddoc('templates')), |
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(['urls'], _('URL Paths'), loaddoc('urls')), |
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(["extensions"], _("Using additional features"), extshelp), |
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(["subrepo", "subrepos"], _("Subrepositories"), loaddoc('subrepos')), |
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(["hgweb"], _("Configuring hgweb"), loaddoc('hgweb')), |
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(["glossary"], _("Glossary"), loaddoc('glossary')), |
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109 |
] |
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110 |
|
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111 |
# Map topics to lists of callable taking the current topic help and |
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112 |
# returning the updated version |
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113 |
helphooks = { |
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114 |
} |
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115 |
|
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def addtopichook(topic, rewriter): |
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117 |
helphooks.setdefault(topic, []).append(rewriter) |