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# interhg.py - interhg
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#
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# Copyright 2007 OHASHI Hideya <ohachige@gmail.com>
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#
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# Contributor(s):
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# Edward Lee <edward.lee@engineering.uiuc.edu>
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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, incorporated herein by reference.
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#
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# The `interhg' Mercurial extension allows you to change changelog and
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# summary text just like InterWiki way.
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#
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# To enable this extension:
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#
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# [extensions]
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# interhg =
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#
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# These are some example patterns (link to bug tracking, etc.)
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#
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# [interhg]
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# issues = s!issue(\d+)!<a href="http://bts/issue\1">issue\1<\/a>!
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# bugzilla = s!((?:bug|b=|(?=#?\d{4,}))(?:\s*#?)(\d+))!<a..=\2">\1</a>!i
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# boldify = s/(^|\s)#(\d+)\b/ <b>#\2<\/b>/
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#
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# Add any number of names and patterns to match
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import re
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from mercurial.hgweb import hgweb_mod
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from mercurial import templatefilters, extensions
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from mercurial.i18n import _
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orig_escape = templatefilters.filters["escape"]
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interhg_table = []
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def interhg_escape(x):
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escstr = orig_escape(x)
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for regexp, format in interhg_table:
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escstr = regexp.sub(format, escstr)
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return escstr
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templatefilters.filters["escape"] = interhg_escape
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def interhg_refresh(orig, self):
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interhg_table[:] = []
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for key, pattern in self.repo.ui.configitems('interhg'):
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# grab the delimiter from the character after the "s"
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unesc = pattern[1]
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delim = re.escape(unesc)
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# identify portions of the pattern, taking care to avoid escaped
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# delimiters. the replace format and flags are optional, but delimiters
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# are required.
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match = re.match(r'^s%s(.+)(?:(?<=\\\\)|(?<!\\))%s(.*)%s([ilmsux])*$'
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% (delim, delim, delim), pattern)
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if not match:
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self.repo.ui.warn(_("interhg: invalid pattern for %s: %s\n")
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% (key, pattern))
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continue
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# we need to unescape the delimiter for regexp and format
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delim_re = re.compile(r'(?<!\\)\\%s' % delim)
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regexp = delim_re.sub(unesc, match.group(1))
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format = delim_re.sub(unesc, match.group(2))
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# the pattern allows for 6 regexp flags, so set them if necessary
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flagin = match.group(3)
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flags = 0
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if flagin:
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for flag in flagin.upper():
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flags |= re.__dict__[flag]
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try:
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regexp = re.compile(regexp, flags)
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interhg_table.append((regexp, format))
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except re.error:
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self.repo.ui.warn(_("interhg: invalid regexp for %s: %s\n")
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% (key, regexp))
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return orig(self)
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extensions.wrapfunction(hgweb_mod.hgweb, 'refresh', interhg_refresh)
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