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svn+ssh://pythondev@svn.python.org/python/trunk ........ r80236 | senthil.kumaran | 2010-04-20 12:24:59 +0530 (Tue, 20 Apr 2010) | 3 lines Fix Issue8460: Victor's patch to add timeout in test_urllib2net test_urls. ........
272 lines
9.3 KiB
Python
272 lines
9.3 KiB
Python
#!/usr/bin/env python3
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import unittest
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from test import support
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from test.test_urllib2 import sanepathname2url
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import os
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import socket
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import urllib.error
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import urllib.request
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import sys
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TIMEOUT = 60 # seconds
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def _retry_thrice(func, exc, *args, **kwargs):
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for i in range(3):
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try:
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return func(*args, **kwargs)
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except exc as e:
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last_exc = e
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continue
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except:
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raise
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raise last_exc
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def _wrap_with_retry_thrice(func, exc):
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def wrapped(*args, **kwargs):
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return _retry_thrice(func, exc, *args, **kwargs)
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return wrapped
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# Connecting to remote hosts is flaky. Make it more robust by retrying
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# the connection several times.
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_urlopen_with_retry = _wrap_with_retry_thrice(urllib.request.urlopen,
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urllib.error.URLError)
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class AuthTests(unittest.TestCase):
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"""Tests urllib2 authentication features."""
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## Disabled at the moment since there is no page under python.org which
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## could be used to HTTP authentication.
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#
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# def test_basic_auth(self):
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# import http.client
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#
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# test_url = "http://www.python.org/test/test_urllib2/basic_auth"
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# test_hostport = "www.python.org"
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# test_realm = 'Test Realm'
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# test_user = 'test.test_urllib2net'
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# test_password = 'blah'
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#
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# # failure
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# try:
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# _urlopen_with_retry(test_url)
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# except urllib2.HTTPError, exc:
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# self.assertEqual(exc.code, 401)
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# else:
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# self.fail("urlopen() should have failed with 401")
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#
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# # success
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# auth_handler = urllib2.HTTPBasicAuthHandler()
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# auth_handler.add_password(test_realm, test_hostport,
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# test_user, test_password)
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# opener = urllib2.build_opener(auth_handler)
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# f = opener.open('http://localhost/')
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# response = _urlopen_with_retry("http://www.python.org/")
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#
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# # The 'userinfo' URL component is deprecated by RFC 3986 for security
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# # reasons, let's not implement it! (it's already implemented for proxy
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# # specification strings (that is, URLs or authorities specifying a
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# # proxy), so we must keep that)
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# self.assertRaises(http.client.InvalidURL,
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# urllib2.urlopen, "http://evil:thing@example.com")
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class CloseSocketTest(unittest.TestCase):
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def test_close(self):
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# calling .close() on urllib2's response objects should close the
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# underlying socket
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response = _urlopen_with_retry("http://www.python.org/")
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sock = response.fp
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self.assertTrue(not sock.closed)
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response.close()
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self.assertTrue(sock.closed)
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class OtherNetworkTests(unittest.TestCase):
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def setUp(self):
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if 0: # for debugging
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import logging
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logger = logging.getLogger("test_urllib2net")
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logger.addHandler(logging.StreamHandler())
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# XXX The rest of these tests aren't very good -- they don't check much.
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# They do sometimes catch some major disasters, though.
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def test_ftp(self):
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urls = [
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'ftp://ftp.kernel.org/pub/linux/kernel/README',
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'ftp://ftp.kernel.org/pub/linux/kernel/non-existent-file',
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#'ftp://ftp.kernel.org/pub/leenox/kernel/test',
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'ftp://gatekeeper.research.compaq.com/pub/DEC/SRC'
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'/research-reports/00README-Legal-Rules-Regs',
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]
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self._test_urls(urls, self._extra_handlers())
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def test_file(self):
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TESTFN = support.TESTFN
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f = open(TESTFN, 'w')
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try:
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f.write('hi there\n')
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f.close()
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urls = [
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'file:' + sanepathname2url(os.path.abspath(TESTFN)),
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('file:///nonsensename/etc/passwd', None,
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urllib.error.URLError),
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]
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self._test_urls(urls, self._extra_handlers(), retry=True)
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finally:
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os.remove(TESTFN)
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# XXX Following test depends on machine configurations that are internal
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# to CNRI. Need to set up a public server with the right authentication
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# configuration for test purposes.
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## def test_cnri(self):
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## if socket.gethostname() == 'bitdiddle':
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## localhost = 'bitdiddle.cnri.reston.va.us'
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## elif socket.gethostname() == 'bitdiddle.concentric.net':
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## localhost = 'localhost'
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## else:
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## localhost = None
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## if localhost is not None:
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## urls = [
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## 'file://%s/etc/passwd' % localhost,
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## 'http://%s/simple/' % localhost,
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## 'http://%s/digest/' % localhost,
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## 'http://%s/not/found.h' % localhost,
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## ]
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## bauth = HTTPBasicAuthHandler()
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## bauth.add_password('basic_test_realm', localhost, 'jhylton',
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## 'password')
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## dauth = HTTPDigestAuthHandler()
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## dauth.add_password('digest_test_realm', localhost, 'jhylton',
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## 'password')
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## self._test_urls(urls, self._extra_handlers()+[bauth, dauth])
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def _test_urls(self, urls, handlers, retry=True):
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import time
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import logging
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debug = logging.getLogger("test_urllib2").debug
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urlopen = urllib.request.build_opener(*handlers).open
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if retry:
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urlopen = _wrap_with_retry_thrice(urlopen, urllib.error.URLError)
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for url in urls:
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if isinstance(url, tuple):
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url, req, expected_err = url
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else:
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req = expected_err = None
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debug(url)
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try:
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f = urlopen(url, req, TIMEOUT)
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except EnvironmentError as err:
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debug(err)
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if expected_err:
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msg = ("Didn't get expected error(s) %s for %s %s, got %s: %s" %
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(expected_err, url, req, type(err), err))
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self.assertIsInstance(err, expected_err, msg)
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except urllib.error.URLError as err:
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if isinstance(err[0], socket.timeout):
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print("<timeout: %s>" % url, file=sys.stderr)
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continue
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else:
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raise
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else:
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try:
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with support.time_out, \
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support.socket_peer_reset, \
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support.ioerror_peer_reset:
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buf = f.read()
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debug("read %d bytes" % len(buf))
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except socket.timeout:
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print("<timeout: %s>" % url, file=sys.stderr)
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f.close()
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debug("******** next url coming up...")
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time.sleep(0.1)
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def _extra_handlers(self):
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handlers = []
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cfh = urllib.request.CacheFTPHandler()
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cfh.setTimeout(1)
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handlers.append(cfh)
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return handlers
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class TimeoutTest(unittest.TestCase):
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def test_http_basic(self):
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self.assertTrue(socket.getdefaulttimeout() is None)
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u = _urlopen_with_retry("http://www.python.org")
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self.assertTrue(u.fp.raw._sock.gettimeout() is None)
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def test_http_default_timeout(self):
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self.assertTrue(socket.getdefaulttimeout() is None)
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socket.setdefaulttimeout(60)
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try:
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u = _urlopen_with_retry("http://www.python.org")
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finally:
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socket.setdefaulttimeout(None)
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self.assertEqual(u.fp.raw._sock.gettimeout(), 60)
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def test_http_no_timeout(self):
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self.assertTrue(socket.getdefaulttimeout() is None)
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socket.setdefaulttimeout(60)
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try:
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u = _urlopen_with_retry("http://www.python.org", timeout=None)
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finally:
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socket.setdefaulttimeout(None)
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self.assertTrue(u.fp.raw._sock.gettimeout() is None)
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def test_http_timeout(self):
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u = _urlopen_with_retry("http://www.python.org", timeout=120)
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self.assertEqual(u.fp.raw._sock.gettimeout(), 120)
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FTP_HOST = "ftp://ftp.mirror.nl/pub/gnu/"
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def test_ftp_basic(self):
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self.assertTrue(socket.getdefaulttimeout() is None)
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u = _urlopen_with_retry(self.FTP_HOST)
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self.assertTrue(u.fp.fp.raw._sock.gettimeout() is None)
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def test_ftp_default_timeout(self):
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self.assertTrue(socket.getdefaulttimeout() is None)
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socket.setdefaulttimeout(60)
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try:
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u = _urlopen_with_retry(self.FTP_HOST)
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finally:
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socket.setdefaulttimeout(None)
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self.assertEqual(u.fp.fp.raw._sock.gettimeout(), 60)
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def test_ftp_no_timeout(self):
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self.assertTrue(socket.getdefaulttimeout() is None)
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socket.setdefaulttimeout(60)
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try:
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u = _urlopen_with_retry(self.FTP_HOST, timeout=None)
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finally:
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socket.setdefaulttimeout(None)
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self.assertTrue(u.fp.fp.raw._sock.gettimeout() is None)
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def test_ftp_timeout(self):
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u = _urlopen_with_retry(self.FTP_HOST, timeout=60)
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self.assertEqual(u.fp.fp.raw._sock.gettimeout(), 60)
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def test_main():
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support.requires("network")
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support.run_unittest(AuthTests,
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OtherNetworkTests,
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CloseSocketTest,
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TimeoutTest,
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)
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if __name__ == "__main__":
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test_main()
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