return _retry_thrice(func, exc, *args, **kwargs)

return wrapped

# bpo-35411: FTP tests of test_urllib2net randomly fail

# with "425 Security: Bad IP connecting" on Travis CI

skip_ftp_test_on_travis = unittest.skipIf('TRAVIS' in os.environ,

'bpo-35411: skip FTP test '

'on Travis CI')

# Connecting to remote hosts is flaky. Make it more robust by retrying

# the connection several times.

_urlopen_with_retry = _wrap_with_retry_thrice(urllib.request.urlopen,

# XXX The rest of these tests aren't very good -- they don't check much.

# They do sometimes catch some major disasters, though.

@skip_ftp_test_on_travis

def test_ftp(self):

urls = [

'ftp://www.pythontest.net/README',

FTP_HOST = 'ftp://www.pythontest.net/'

@skip_ftp_test_on_travis

def test_ftp_basic(self):

self.assertIsNone(socket.getdefaulttimeout())

with socket_helper.transient_internet(self.FTP_HOST, timeout=None):

u = _urlopen_with_retry(self.FTP_HOST)

self.addCleanup(u.close)

self.assertIsNone(u.fp.fp.raw._sock.gettimeout())

@skip_ftp_test_on_travis

def test_ftp_default_timeout(self):

self.assertIsNone(socket.getdefaulttimeout())

with socket_helper.transient_internet(self.FTP_HOST):

socket.setdefaulttimeout(None)

self.assertEqual(u.fp.fp.raw._sock.gettimeout(), 60)

@skip_ftp_test_on_travis

def test_ftp_no_timeout(self):

self.assertIsNone(socket.getdefaulttimeout())

with socket_helper.transient_internet(self.FTP_HOST):

socket.setdefaulttimeout(None)

self.assertIsNone(u.fp.fp.raw._sock.gettimeout())

@skip_ftp_test_on_travis

def test_ftp_timeout(self):

with socket_helper.transient_internet(self.FTP_HOST):

u = _urlopen_with_retry(self.FTP_HOST, timeout=60)