Propagate file list through dodiff
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Propagate file list through dodiff
This speeds up operations like 'hg diff Makefile'. Previously it would
walk the entire directory tree looking for changes. Now it will only
stat Makefile. Further, if Makefile appears untouched, it will skip
reading the manifest.
manifest hash: ab22a70a5511ed2d7a647f2cd15d129a88dccabf
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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()