Mercurial > hg > mercurial-crew-with-dirclash

annotate mercurial/changelog.py @ 2161:12e11413ca19

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Fix just introduced possible old-http bug My last patch changed httprangereader.read to read only the specified amount of data from the connection, to prevent it from returning more than what was asked. I just realized that this could lead to the connection not being closed. In practice, it looks like the connection is closed just fine, but it's probably safer to read everything and then return only what's necessary.
author Alexis S. L. Carvalho <alexis@cecm.usp.br>
date Sun, 30 Apr 2006 18:50:53 +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)