Mercurial > hg

view mercurial/httprangereader.py @ 400:8b067bde6679

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Add a fast binary diff extension (not yet used) -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Add a fast binary diff extension (not yet used) manifest hash: fbfdcab2b1f4856af45176fcf2423d602dfe88c4 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (GNU/Linux) iD8DBQFCuL6eywK+sNU5EO8RAoT+AJ95z9gx2IrucBS30CnCQFkZT7lSbgCgnXh5 ScZcgwzJ/mEo9i5vuKNlCIs= =Gr58 -----END PGP SIGNATURE-----
author mpm@selenic.com
date Tue, 21 Jun 2005 17:27:58 -0800
parents 4b0f562c61f4
children 59b3639df0a9
line wrap: on
line source

# 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()