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# changelog.py - changelog class for mercurial
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#
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# Copyright 2005 Matt Mackall <mpm@selenic.com>
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#
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# This software may be used and distributed according to the terms
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# of the GNU General Public License, incorporated herein by reference.
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from revlog import *
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from i18n import gettext as _
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from demandload import demandload
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demandload(globals(), "os time util")
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class changelog(revlog):
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def __init__(self, opener):
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revlog.__init__(self, opener, "00changelog.i", "00changelog.d")
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def extract(self, text):
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if not text:
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return (nullid, "", (0, 0), [], "")
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last = text.index("\n\n")
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desc = text[last + 2:]
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l = text[:last].splitlines()
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manifest = bin(l[0])
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user = l[1]
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date = l[2].split(' ')
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time = float(date.pop(0))
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try:
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# various tools did silly things with the time zone field.
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timezone = int(date[0])
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except:
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timezone = 0
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files = l[3:]
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return (manifest, user, (time, timezone), files, desc)
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def read(self, node):
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return self.extract(self.revision(node))
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def add(self, manifest, list, desc, transaction, p1=None, p2=None,
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user=None, date=None):
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if date:
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# validate explicit (probably user-specified) date and
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# time zone offset. values must fit in signed 32 bits for
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# current 32-bit linux runtimes.
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try:
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when, offset = map(int, date.split(' '))
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except ValueError:
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raise ValueError(_('invalid date: %r') % date)
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if abs(when) > 0x7fffffff:
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raise ValueError(_('date exceeds 32 bits: %d') % when)
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if abs(offset) >= 43200:
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raise ValueError(_('impossible time zone offset: %d') % offset)
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else:
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date = "%d %d" % util.makedate()
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list.sort()
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l = [hex(manifest), user, date] + list + ["", desc]
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text = "\n".join(l)
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return self.addrevision(text, transaction, self.count(), p1, p2)
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