1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
# Copyright (C) 2006 by Canonical Ltd
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
from bzrlib.bundle.serializer import read_bundle
import bzrlib.errors as errors
import bzrlib.urlutils
import bzrlib.transport
def read_bundle_from_url(url):
"""Read a bundle from a given URL.
:return: A BundleReader, may raise NotABundle if the target
is not a proper bundle.
"""
url, filename = bzrlib.urlutils.split(url, exclude_trailing_slash=False)
if not filename:
# A path to a directory was passed in
# definitely not a bundle
raise errors.NotABundle('A directory cannot be a bundle')
# All of this must be in the try/except
# Some transports cannot detect that we are trying to read a
# directory until we actually issue read() on the handle.
try:
t = bzrlib.transport.get_transport(url)
f = t.get(filename)
return read_bundle(f)
except (errors.TransportError, errors.PathError), e:
raise errors.NotABundle(str(e))
|