Mercurial > hg > gitserve

annotate mercurial/changelog.py @ 2162:dac432a521d8

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Add self to CONTRIBUTORS
author Colin McMillen <mcmillen@cs.cmu.edu>
date Sun, 30 Apr 2006 18:52:34 +0200
parents 8a1e2a9c7013
children 85f796baab10
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1 # changelog.py - changelog class for mercurial
0
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2 #
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3 # Copyright 2005 Matt Mackall <mpm@selenic.com>
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4 #
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5 # This software may be used and distributed according to the terms
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6 # of the GNU General Public License, incorporated herein by reference.
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7
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8 from revlog import *
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9 from i18n import gettext as _
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10 from demandload import demandload
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11 demandload(globals(), "os time util")
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12
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13 class changelog(revlog):
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14 def __init__(self, opener, defversion=REVLOGV0):
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15 revlog.__init__(self, opener, "00changelog.i", "00changelog.d",
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16 defversion)
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17
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18 def extract(self, text):
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19 if not text:
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20 return (nullid, "", (0, 0), [], "")
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21 last = text.index("\n\n")
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22 desc = text[last + 2:]
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23 l = text[:last].splitlines()
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24 manifest = bin(l[0])
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25 user = l[1]
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26 date = l[2].split(' ')
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27 time = float(date.pop(0))
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28 try:
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29 # various tools did silly things with the time zone field.
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30 timezone = int(date[0])
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31 except:
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32 timezone = 0
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33 files = l[3:]
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34 return (manifest, user, (time, timezone), files, desc)
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35
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36 def read(self, node):
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37 return self.extract(self.revision(node))
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38
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39 def add(self, manifest, list, desc, transaction, p1=None, p2=None,
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40 user=None, date=None):
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41 if date:
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42 # validate explicit (probably user-specified) date and
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43 # time zone offset. values must fit in signed 32 bits for
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44 # current 32-bit linux runtimes. timezones go from UTC-12
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45 # to UTC+14
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46 try:
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47 when, offset = map(int, date.split(' '))
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48 except ValueError:
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49 raise ValueError(_('invalid date: %r') % date)
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50 if abs(when) > 0x7fffffff:
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51 raise ValueError(_('date exceeds 32 bits: %d') % when)
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52 if offset < -50400 or offset > 43200:
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53 raise ValueError(_('impossible time zone offset: %d') % offset)
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54 else:
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55 date = "%d %d" % util.makedate()
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56 list.sort()
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57 l = [hex(manifest), user, date] + list + ["", desc]
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58 text = "\n".join(l)
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59 return self.addrevision(text, transaction, self.count(), p1, p2)