mercurial/httprangereader.py
author mpm@selenic.com
Wed, 29 Jun 2005 14:20:54 -0800
changeset 527 58790c83ce52
parent 372 4b0f562c61f4
child 1559 59b3639df0a9
permissions -rw-r--r--
[PATCH] Add --traceback option -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 [PATCH] Add --traceback option From: Bryan O'Sullivan <bos@serpentine.com> Add --traceback option, to force printing tracebacks on top-level exceptions. manifest hash: 4347f42205b8b23835424b4e4100860ff2834b95 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (GNU/Linux) iD8DBQFCwx7GywK+sNU5EO8RAgS8AKCmJAvTMGNJYYIW9eTI3RAqJZMfYACfS/rl Hn1Ukml5D1fdSvyehH2G080= =eLJO -----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()