return urllib.request.FancyURLopener()

def fakehttp(fakedata):

def fakehttp(fakedata, mock_close=False):

class FakeSocket(io.BytesIO):

io_refs = 1

def connect(self):

self.sock = FakeSocket(self.fakedata)

type(self).fakesock = self.sock

if mock_close:

# bpo-36918: HTTPConnection destructor calls close() which calls

# flush(). Problem: flush() calls self.fp.flush() which raises

# "ValueError: I/O operation on closed file" which is logged as an

# "Exception ignored in". Override close() to silence this error.

def close(self):

pass

FakeHTTPConnection.fakedata = fakedata

return FakeHTTPConnection

class FakeHTTPMixin(object):

def fakehttp(self, fakedata):

def fakehttp(self, fakedata, mock_close=False):

fake_http_class = fakehttp(fakedata, mock_close=mock_close)

self._connection_class = http.client.HTTPConnection

http.client.HTTPConnection = fakehttp(fakedata)

http.client.HTTPConnection = fake_http_class

def unfakehttp(self):

http.client.HTTPConnection = self._connection_class

Server: Apache/1.3.33 (Debian GNU/Linux) mod_ssl/2.8.22 OpenSSL/0.9.7e

Connection: close

Content-Type: text/html; charset=iso-8859-1

''')

''', mock_close=True)

try:

self.assertRaises(OSError, urlopen, "http://python.org/")

finally:

Location: file://guidocomputer.athome.com:/python/license

Connection: close

Content-Type: text/html; charset=iso-8859-1

''')

''', mock_close=True)

try:

msg = "Redirection to url 'file:"

with self.assertRaisesRegex(urllib.error.HTTPError, msg):

self.fakehttp(b'''HTTP/1.1 302 Found

Location: file://guidocomputer.athome.com:/python/license

Connection: close

''')

''', mock_close=True)

try:

self.assertRaises(urllib.error.HTTPError, urlopen,

"http://something")