view mercurial/httprangereader.py @ 1554:68ec7b9e09a4

Catch IOErrors and RepoErrors when serving repositories via hgweb.
author Thomas Arendsen Hein <thomas@intevation.de>
date Thu, 17 Nov 2005 19:38:57 +0100
parents 4b0f562c61f4
children 59b3639df0a9
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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()