mercurial/httprangereader.py
author mpm@selenic.com
Tue, 28 Jun 2005 02:08:14 -0800
changeset 503 c6a2e41c8c60
parent 372 4b0f562c61f4
child 1559 59b3639df0a9
permissions -rw-r--r--
Fix troubles with clone and exception handling -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Fix troubles with clone and exception handling Clone deletes its directory on failure This was deleting the lockfile out from under the lock object before it got destroyed This patch shuts lock up and makes the cleanup code for clone a little cleaner. manifest hash: f666fddcf6f3a905020a091f5e9fd2cb5d806cdd -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (GNU/Linux) iD8DBQFCwSGOywK+sNU5EO8RAkx2AKCIxPczl9YWnuUM+bMQnpVr8kv6uQCeNWld SUxSB99PGJHhq1LWFaSJJNw= =Frk/ -----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()