/usr/lib/python2.7/dist-packages/bzrlib/transport/http/_urllib.py is in python-bzrlib 2.7.0-2ubuntu3.1.
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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 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 | # Copyright (C) 2006-2010 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
from __future__ import absolute_import
from bzrlib import (
errors,
trace,
)
from bzrlib.transport import http
# TODO: handle_response should be integrated into the http/__init__.py
from bzrlib.transport.http.response import handle_response
from bzrlib.transport.http._urllib2_wrappers import (
Opener,
Request,
)
class HttpTransport_urllib(http.HttpTransportBase):
"""Python urllib transport for http and https."""
# In order to debug we have to issue our traces in sync with
# httplib, which use print :(
_debuglevel = 0
_opener_class = Opener
def __init__(self, base, _from_transport=None, ca_certs=None):
super(HttpTransport_urllib, self).__init__(
base, 'urllib', _from_transport=_from_transport)
if _from_transport is not None:
self._opener = _from_transport._opener
else:
self._opener = self._opener_class(
report_activity=self._report_activity, ca_certs=ca_certs)
def _perform(self, request):
"""Send the request to the server and handles common errors.
:returns: urllib2 Response object
"""
connection = self._get_connection()
if connection is not None:
# Give back shared info
request.connection = connection
(auth, proxy_auth) = self._get_credentials()
# Clean the httplib.HTTPConnection pipeline in case the previous
# request couldn't do it
connection.cleanup_pipe()
else:
# First request, initialize credentials.
# scheme and realm will be set by the _urllib2_wrappers.AuthHandler
auth = self._create_auth()
# Proxy initialization will be done by the first proxied request
proxy_auth = dict()
# Ensure authentication info is provided
request.auth = auth
request.proxy_auth = proxy_auth
if self._debuglevel > 0:
print 'perform: %s base: %s, url: %s' % (request.method, self.base,
request.get_full_url())
response = self._opener.open(request)
if self._get_connection() is not request.connection:
# First connection or reconnection
self._set_connection(request.connection,
(request.auth, request.proxy_auth))
else:
# http may change the credentials while keeping the
# connection opened
self._update_credentials((request.auth, request.proxy_auth))
code = response.code
if (request.follow_redirections is False
and code in (301, 302, 303, 307)):
raise errors.RedirectRequested(request.get_full_url(),
request.redirected_to,
is_permanent=(code == 301))
if request.redirected_to is not None:
trace.mutter('redirected from: %s to: %s' % (request.get_full_url(),
request.redirected_to))
return response
def disconnect(self):
connection = self._get_connection()
if connection is not None:
connection.close()
def _get(self, relpath, offsets, tail_amount=0):
"""See HttpTransport._get"""
abspath = self._remote_path(relpath)
headers = {}
accepted_errors = [200, 404]
if offsets or tail_amount:
range_header = self._attempted_range_header(offsets, tail_amount)
if range_header is not None:
accepted_errors.append(206)
accepted_errors.append(400)
accepted_errors.append(416)
bytes = 'bytes=' + range_header
headers = {'Range': bytes}
request = Request('GET', abspath, None, headers,
accepted_errors=accepted_errors)
response = self._perform(request)
code = response.code
if code == 404: # not found
raise errors.NoSuchFile(abspath)
elif code in (400, 416):
# We don't know which, but one of the ranges we specified was
# wrong.
raise errors.InvalidHttpRange(abspath, range_header,
'Server return code %d' % code)
data = handle_response(abspath, code, response.info(), response)
return code, data
def _post(self, body_bytes):
abspath = self._remote_path('.bzr/smart')
# We include 403 in accepted_errors so that send_http_smart_request can
# handle a 403. Otherwise a 403 causes an unhandled TransportError.
response = self._perform(
Request('POST', abspath, body_bytes,
{'Content-Type': 'application/octet-stream'},
accepted_errors=[200, 403]))
code = response.code
data = handle_response(abspath, code, response.info(), response)
return code, data
def _head(self, relpath):
"""Request the HEAD of a file.
Performs the request and leaves callers handle the results.
"""
abspath = self._remote_path(relpath)
request = Request('HEAD', abspath,
accepted_errors=[200, 404])
response = self._perform(request)
return response
def has(self, relpath):
"""Does the target location exist?
"""
response = self._head(relpath)
code = response.code
if code == 200: # "ok",
return True
else:
return False
def get_test_permutations():
"""Return the permutations to be used in testing."""
from bzrlib.tests import (
features,
http_server,
)
permutations = [(HttpTransport_urllib, http_server.HttpServer_urllib),]
if features.HTTPSServerFeature.available():
from bzrlib.tests import (
https_server,
ssl_certs,
)
class HTTPS_urllib_transport(HttpTransport_urllib):
def __init__(self, base, _from_transport=None):
super(HTTPS_urllib_transport, self).__init__(
base, _from_transport=_from_transport,
ca_certs=ssl_certs.build_path('ca.crt'))
permutations.append((HTTPS_urllib_transport,
https_server.HTTPSServer_urllib))
return permutations
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