Mercurial > hg > mercurial-crew-with-dirclash
view mercurial/httprangereader.py @ 653:94cdd02792b5
Fix corruption resulting from skipping parts of a revision group
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Fix corruption resulting from skipping parts of a revision group
We were occassionally losing track of what revision a delta applied to
when we skipped over deltas we already had and applying the delta
against the wrong base. This could result in coredumps from mpatch,
consistency errors, or failed verify.
manifest hash: fcf20a8abfd81f08fae2398136b2ed66216b2083
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author | Matt Mackall <mpm@selenic.com> |
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date | Fri, 08 Jul 2005 13:21:22 -0800 |
parents | 4b0f562c61f4 |
children | 59b3639df0a9 |
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# httprangereader.py - just what it says # # Copyright 2005 Matt Mackall <mpm@selenic.com> # # This software may be used and distributed according to the terms # of the GNU General Public License, incorporated herein by reference. import byterange, urllib2 class httprangereader: def __init__(self, url): self.url = url self.pos = 0 def seek(self, pos): self.pos = pos def read(self, bytes=None): opener = urllib2.build_opener(byterange.HTTPRangeHandler()) urllib2.install_opener(opener) req = urllib2.Request(self.url) end = '' if bytes: end = self.pos + bytes req.add_header('Range', 'bytes=%d-%s' % (self.pos, end)) f = urllib2.urlopen(req) return f.read()