mercurial/httprangereader.py
author Thomas Arendsen Hein <thomas@intevation.de>
Sun, 19 Jun 2005 20:16:10 +0100
changeset 426 8c90ab5644c9
parent 372 4b0f562c61f4
child 1559 59b3639df0a9
permissions -rw-r--r--
Allow hgrc's proxy host and $http_proxy env var to start with http:// -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Allow hgrc's proxy host and $http_proxy env var to start with http:// manifest hash: 5bf4bb43606f3e5544d55be886502ab5a61f9ff3 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (GNU/Linux) iD8DBQFCtcR6W7P1GVgWeRoRArk0AKCgHpelPjAKjbzh3iifZayAhovm+gCeL0hl XU7LBUrK2Z2qQHN0w9I8XUk= =QaAW -----END PGP SIGNATURE-----

# 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()