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			857 lines
		
	
	
	
		
			32 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			857 lines
		
	
	
	
		
			32 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| import unittest
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| from test import test_support
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| 
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| import os, socket
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| import StringIO
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| 
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| import urllib2
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| from urllib2 import Request, OpenerDirector
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| 
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| # XXX
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| # Request
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| # CacheFTPHandler (hard to write)
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| # parse_keqv_list, parse_http_list (I'm leaving this for Anthony Baxter
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| #  and Greg Stein, since they're doing Digest Authentication)
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| # Authentication stuff (ditto)
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| # CustomProxy, CustomProxyHandler
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| 
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| class TrivialTests(unittest.TestCase):
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|     def test_trivial(self):
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|         # A couple trivial tests
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| 
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|         self.assertRaises(ValueError, urllib2.urlopen, 'bogus url')
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| 
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|         # XXX Name hacking to get this to work on Windows.
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|         fname = os.path.abspath(urllib2.__file__).replace('\\', '/')
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|         if fname[1:2] == ":":
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|             fname = fname[2:]
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|         # And more hacking to get it to work on MacOS. This assumes
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|         # urllib.pathname2url works, unfortunately...
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|         if os.name == 'mac':
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|             fname = '/' + fname.replace(':', '/')
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|         elif os.name == 'riscos':
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|             import string
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|             fname = os.expand(fname)
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|             fname = fname.translate(string.maketrans("/.", "./"))
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| 
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|         file_url = "file://%s" % fname
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|         f = urllib2.urlopen(file_url)
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| 
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|         buf = f.read()
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|         f.close()
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| 
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|     def test_parse_http_list(self):
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|         tests = [('a,b,c', ['a', 'b', 'c']),
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|                  ('path"o,l"og"i"cal, example', ['path"o,l"og"i"cal', 'example']),
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|                  ('a, b, "c", "d", "e,f", g, h', ['a', 'b', '"c"', '"d"', '"e,f"', 'g', 'h']),
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|                  ('a="b\\"c", d="e\\,f", g="h\\\\i"', ['a="b"c"', 'd="e,f"', 'g="h\\i"'])]
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|         for string, list in tests:
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|             self.assertEquals(urllib2.parse_http_list(string), list)
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| 
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| 
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| class MockOpener:
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|     addheaders = []
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|     def open(self, req, data=None):
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|         self.req, self.data = req, data
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|     def error(self, proto, *args):
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|         self.proto, self.args = proto, args
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| 
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| class MockFile:
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|     def read(self, count=None): pass
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|     def readline(self, count=None): pass
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|     def close(self): pass
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| 
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| class MockHeaders(dict):
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|     def getheaders(self, name):
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|         return self.values()
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| 
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| class MockResponse(StringIO.StringIO):
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|     def __init__(self, code, msg, headers, data, url=None):
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|         StringIO.StringIO.__init__(self, data)
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|         self.code, self.msg, self.headers, self.url = code, msg, headers, url
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|     def info(self):
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|         return self.headers
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|     def geturl(self):
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|         return self.url
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| 
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| class MockCookieJar:
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|     def add_cookie_header(self, request):
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|         self.ach_req = request
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|     def extract_cookies(self, response, request):
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|         self.ec_req, self.ec_r = request, response
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| 
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| class FakeMethod:
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|     def __init__(self, meth_name, action, handle):
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|         self.meth_name = meth_name
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|         self.handle = handle
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|         self.action = action
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|     def __call__(self, *args):
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|         return self.handle(self.meth_name, self.action, *args)
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| 
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| class MockHandler:
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|     handler_order = 500
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|     def __init__(self, methods):
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|         self._define_methods(methods)
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|     def _define_methods(self, methods):
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|         for spec in methods:
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|             if len(spec) == 2: name, action = spec
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|             else: name, action = spec, None
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|             meth = FakeMethod(name, action, self.handle)
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|             setattr(self.__class__, name, meth)
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|     def handle(self, fn_name, action, *args, **kwds):
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|         self.parent.calls.append((self, fn_name, args, kwds))
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|         if action is None:
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|             return None
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|         elif action == "return self":
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|             return self
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|         elif action == "return response":
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|             res = MockResponse(200, "OK", {}, "")
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|             return res
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|         elif action == "return request":
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|             return Request("http://blah/")
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|         elif action.startswith("error"):
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|             code = action[action.rfind(" ")+1:]
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|             try:
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|                 code = int(code)
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|             except ValueError:
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|                 pass
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|             res = MockResponse(200, "OK", {}, "")
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|             return self.parent.error("http", args[0], res, code, "", {})
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|         elif action == "raise":
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|             raise urllib2.URLError("blah")
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|         assert False
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|     def close(self): pass
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|     def add_parent(self, parent):
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|         self.parent = parent
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|         self.parent.calls = []
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|     def __lt__(self, other):
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|         if not hasattr(other, "handler_order"):
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|             # No handler_order, leave in original order.  Yuck.
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|             return True
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|         return self.handler_order < other.handler_order
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| 
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| def add_ordered_mock_handlers(opener, meth_spec):
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|     """Create MockHandlers and add them to an OpenerDirector.
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| 
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|     meth_spec: list of lists of tuples and strings defining methods to define
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|     on handlers.  eg:
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| 
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|     [["http_error", "ftp_open"], ["http_open"]]
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| 
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|     defines methods .http_error() and .ftp_open() on one handler, and
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|     .http_open() on another.  These methods just record their arguments and
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|     return None.  Using a tuple instead of a string causes the method to
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|     perform some action (see MockHandler.handle()), eg:
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| 
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|     [["http_error"], [("http_open", "return request")]]
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| 
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|     defines .http_error() on one handler (which simply returns None), and
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|     .http_open() on another handler, which returns a Request object.
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| 
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|     """
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|     handlers = []
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|     count = 0
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|     for meths in meth_spec:
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|         class MockHandlerSubclass(MockHandler): pass
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|         h = MockHandlerSubclass(meths)
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|         h.handler_order += count
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|         h.add_parent(opener)
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|         count = count + 1
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|         handlers.append(h)
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|         opener.add_handler(h)
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|     return handlers
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| 
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| class OpenerDirectorTests(unittest.TestCase):
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| 
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|     def test_handled(self):
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|         # handler returning non-None means no more handlers will be called
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|         o = OpenerDirector()
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|         meth_spec = [
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|             ["http_open", "ftp_open", "http_error_302"],
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|             ["ftp_open"],
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|             [("http_open", "return self")],
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|             [("http_open", "return self")],
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|             ]
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|         handlers = add_ordered_mock_handlers(o, meth_spec)
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| 
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|         req = Request("http://example.com/")
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|         r = o.open(req)
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|         # Second .http_open() gets called, third doesn't, since second returned
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|         # non-None.  Handlers without .http_open() never get any methods called
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|         # on them.
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|         # In fact, second mock handler defining .http_open() returns self
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|         # (instead of response), which becomes the OpenerDirector's return
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|         # value.
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|         self.assertEqual(r, handlers[2])
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|         calls = [(handlers[0], "http_open"), (handlers[2], "http_open")]
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|         for expected, got in zip(calls, o.calls):
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|             handler, name, args, kwds = got
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|             self.assertEqual((handler, name), expected)
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|             self.assertEqual(args, (req,))
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| 
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|     def test_handler_order(self):
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|         o = OpenerDirector()
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|         handlers = []
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|         for meths, handler_order in [
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|             ([("http_open", "return self")], 500),
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|             (["http_open"], 0),
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|             ]:
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|             class MockHandlerSubclass(MockHandler): pass
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|             h = MockHandlerSubclass(meths)
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|             h.handler_order = handler_order
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|             handlers.append(h)
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|             o.add_handler(h)
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| 
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|         r = o.open("http://example.com/")
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|         # handlers called in reverse order, thanks to their sort order
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|         self.assertEqual(o.calls[0][0], handlers[1])
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|         self.assertEqual(o.calls[1][0], handlers[0])
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| 
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|     def test_raise(self):
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|         # raising URLError stops processing of request
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|         o = OpenerDirector()
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|         meth_spec = [
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|             [("http_open", "raise")],
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|             [("http_open", "return self")],
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|             ]
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|         handlers = add_ordered_mock_handlers(o, meth_spec)
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| 
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|         req = Request("http://example.com/")
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|         self.assertRaises(urllib2.URLError, o.open, req)
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|         self.assertEqual(o.calls, [(handlers[0], "http_open", (req,), {})])
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| 
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| ##     def test_error(self):
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| ##         # XXX this doesn't actually seem to be used in standard library,
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| ##         #  but should really be tested anyway...
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| 
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|     def test_http_error(self):
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|         # XXX http_error_default
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|         # http errors are a special case
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|         o = OpenerDirector()
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|         meth_spec = [
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|             [("http_open", "error 302")],
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|             [("http_error_400", "raise"), "http_open"],
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|             [("http_error_302", "return response"), "http_error_303",
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|              "http_error"],
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|             [("http_error_302")],
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|             ]
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|         handlers = add_ordered_mock_handlers(o, meth_spec)
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| 
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|         class Unknown:
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|             def __eq__(self, other): return True
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| 
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|         req = Request("http://example.com/")
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|         r = o.open(req)
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|         assert len(o.calls) == 2
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|         calls = [(handlers[0], "http_open", (req,)),
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|                  (handlers[2], "http_error_302",
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|                   (req, Unknown(), 302, "", {}))]
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|         for expected, got in zip(calls, o.calls):
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|             handler, method_name, args = expected
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|             self.assertEqual((handler, method_name), got[:2])
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|             self.assertEqual(args, got[2])
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| 
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|     def test_processors(self):
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|         # *_request / *_response methods get called appropriately
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|         o = OpenerDirector()
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|         meth_spec = [
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|             [("http_request", "return request"),
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|              ("http_response", "return response")],
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|             [("http_request", "return request"),
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|              ("http_response", "return response")],
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|             ]
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|         handlers = add_ordered_mock_handlers(o, meth_spec)
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| 
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|         req = Request("http://example.com/")
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|         r = o.open(req)
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|         # processor methods are called on *all* handlers that define them,
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|         # not just the first handler that handles the request
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|         calls = [
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|             (handlers[0], "http_request"), (handlers[1], "http_request"),
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|             (handlers[0], "http_response"), (handlers[1], "http_response")]
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| 
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|         for i, (handler, name, args, kwds) in enumerate(o.calls):
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|             if i < 2:
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|                 # *_request
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|                 self.assertEqual((handler, name), calls[i])
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|                 self.assertEqual(len(args), 1)
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|                 self.assert_(isinstance(args[0], Request))
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|             else:
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|                 # *_response
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|                 self.assertEqual((handler, name), calls[i])
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|                 self.assertEqual(len(args), 2)
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|                 self.assert_(isinstance(args[0], Request))
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|                 # response from opener.open is None, because there's no
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|                 # handler that defines http_open to handle it
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|                 self.assert_(args[1] is None or
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|                              isinstance(args[1], MockResponse))
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| 
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| 
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| def sanepathname2url(path):
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|     import urllib
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|     urlpath = urllib.pathname2url(path)
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|     if os.name == "nt" and urlpath.startswith("///"):
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|         urlpath = urlpath[2:]
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|     # XXX don't ask me about the mac...
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|     return urlpath
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| 
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| class HandlerTests(unittest.TestCase):
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| 
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|     def test_ftp(self):
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|         class MockFTPWrapper:
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|             def __init__(self, data): self.data = data
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|             def retrfile(self, filename, filetype):
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|                 self.filename, self.filetype = filename, filetype
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|                 return StringIO.StringIO(self.data), len(self.data)
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| 
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|         class NullFTPHandler(urllib2.FTPHandler):
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|             def __init__(self, data): self.data = data
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|             def connect_ftp(self, user, passwd, host, port, dirs):
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|                 self.user, self.passwd = user, passwd
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|                 self.host, self.port = host, port
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|                 self.dirs = dirs
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|                 self.ftpwrapper = MockFTPWrapper(self.data)
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|                 return self.ftpwrapper
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| 
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|         import ftplib, socket
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|         data = "rheum rhaponicum"
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|         h = NullFTPHandler(data)
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|         o = h.parent = MockOpener()
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| 
 | |
|         for url, host, port, type_, dirs, filename, mimetype in [
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|             ("ftp://localhost/foo/bar/baz.html",
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|              "localhost", ftplib.FTP_PORT, "I",
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|              ["foo", "bar"], "baz.html", "text/html"),
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|             ("ftp://localhost:80/foo/bar/",
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|              "localhost", 80, "D",
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|              ["foo", "bar"], "", None),
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|             ("ftp://localhost/baz.gif;type=a",
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|              "localhost", ftplib.FTP_PORT, "A",
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|              [], "baz.gif", None),  # XXX really this should guess image/gif
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|             ]:
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|             r = h.ftp_open(Request(url))
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|             # ftp authentication not yet implemented by FTPHandler
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|             self.assert_(h.user == h.passwd == "")
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|             self.assertEqual(h.host, socket.gethostbyname(host))
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|             self.assertEqual(h.port, port)
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|             self.assertEqual(h.dirs, dirs)
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|             self.assertEqual(h.ftpwrapper.filename, filename)
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|             self.assertEqual(h.ftpwrapper.filetype, type_)
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|             headers = r.info()
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|             self.assertEqual(headers.get("Content-type"), mimetype)
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|             self.assertEqual(int(headers["Content-length"]), len(data))
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| 
 | |
|     def test_file(self):
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|         import time, rfc822, socket
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|         h = urllib2.FileHandler()
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|         o = h.parent = MockOpener()
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| 
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|         TESTFN = test_support.TESTFN
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|         urlpath = sanepathname2url(os.path.abspath(TESTFN))
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|         towrite = "hello, world\n"
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|         urls = [
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|             "file://localhost%s" % urlpath,
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|             "file://%s" % urlpath,
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|             "file://%s%s" % (socket.gethostbyname('localhost'), urlpath),
 | |
|             ]
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|         try:
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|             localaddr = socket.gethostbyname(socket.gethostname())
 | |
|         except socket.gaierror:
 | |
|             localaddr = ''
 | |
|         if localaddr:
 | |
|             urls.append("file://%s%s" % (localaddr, urlpath))
 | |
| 
 | |
|         for url in urls:
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|             f = open(TESTFN, "wb")
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|             try:
 | |
|                 try:
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|                     f.write(towrite)
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|                 finally:
 | |
|                     f.close()
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| 
 | |
|                 r = h.file_open(Request(url))
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|                 try:
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|                     data = r.read()
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|                     headers = r.info()
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|                     newurl = r.geturl()
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|                 finally:
 | |
|                     r.close()
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|                 stats = os.stat(TESTFN)
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|                 modified = rfc822.formatdate(stats.st_mtime)
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|             finally:
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|                 os.remove(TESTFN)
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|             self.assertEqual(data, towrite)
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|             self.assertEqual(headers["Content-type"], "text/plain")
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|             self.assertEqual(headers["Content-length"], "13")
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|             self.assertEqual(headers["Last-modified"], modified)
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| 
 | |
|         for url in [
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|             "file://localhost:80%s" % urlpath,
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| # XXXX bug: these fail with socket.gaierror, should be URLError
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| ##             "file://%s:80%s/%s" % (socket.gethostbyname('localhost'),
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| ##                                    os.getcwd(), TESTFN),
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| ##             "file://somerandomhost.ontheinternet.com%s/%s" %
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| ##             (os.getcwd(), TESTFN),
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|             ]:
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|             try:
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|                 f = open(TESTFN, "wb")
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|                 try:
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|                     f.write(towrite)
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|                 finally:
 | |
|                     f.close()
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| 
 | |
|                 self.assertRaises(urllib2.URLError,
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|                                   h.file_open, Request(url))
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|             finally:
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|                 os.remove(TESTFN)
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| 
 | |
|         h = urllib2.FileHandler()
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|         o = h.parent = MockOpener()
 | |
|         # XXXX why does // mean ftp (and /// mean not ftp!), and where
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|         #  is file: scheme specified?  I think this is really a bug, and
 | |
|         #  what was intended was to distinguish between URLs like:
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|         # file:/blah.txt (a file)
 | |
|         # file://localhost/blah.txt (a file)
 | |
|         # file:///blah.txt (a file)
 | |
|         # file://ftp.example.com/blah.txt (an ftp URL)
 | |
|         for url, ftp in [
 | |
|             ("file://ftp.example.com//foo.txt", True),
 | |
|             ("file://ftp.example.com///foo.txt", False),
 | |
| # XXXX bug: fails with OSError, should be URLError
 | |
|             ("file://ftp.example.com/foo.txt", False),
 | |
|             ]:
 | |
|             req = Request(url)
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|             try:
 | |
|                 h.file_open(req)
 | |
|             # XXXX remove OSError when bug fixed
 | |
|             except (urllib2.URLError, OSError):
 | |
|                 self.assert_(not ftp)
 | |
|             else:
 | |
|                 self.assert_(o.req is req)
 | |
|                 self.assertEqual(req.type, "ftp")
 | |
| 
 | |
|     def test_http(self):
 | |
|         class MockHTTPResponse:
 | |
|             def __init__(self, fp, msg, status, reason):
 | |
|                 self.fp = fp
 | |
|                 self.msg = msg
 | |
|                 self.status = status
 | |
|                 self.reason = reason
 | |
|             def read(self):
 | |
|                 return ''
 | |
|         class MockHTTPClass:
 | |
|             def __init__(self):
 | |
|                 self.req_headers = []
 | |
|                 self.data = None
 | |
|                 self.raise_on_endheaders = False
 | |
|             def __call__(self, host):
 | |
|                 self.host = host
 | |
|                 return self
 | |
|             def set_debuglevel(self, level):
 | |
|                 self.level = level
 | |
|             def request(self, method, url, body=None, headers={}):
 | |
|                 self.method = method
 | |
|                 self.selector = url
 | |
|                 self.req_headers += headers.items()
 | |
|                 if body:
 | |
|                     self.data = body
 | |
|                 if self.raise_on_endheaders:
 | |
|                     import socket
 | |
|                     raise socket.error()
 | |
|             def getresponse(self):
 | |
|                 return MockHTTPResponse(MockFile(), {}, 200, "OK")
 | |
| 
 | |
|         h = urllib2.AbstractHTTPHandler()
 | |
|         o = h.parent = MockOpener()
 | |
| 
 | |
|         url = "http://example.com/"
 | |
|         for method, data in [("GET", None), ("POST", "blah")]:
 | |
|             req = Request(url, data, {"Foo": "bar"})
 | |
|             req.add_unredirected_header("Spam", "eggs")
 | |
|             http = MockHTTPClass()
 | |
|             r = h.do_open(http, req)
 | |
| 
 | |
|             # result attributes
 | |
|             r.read; r.readline  # wrapped MockFile methods
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|             r.info; r.geturl  # addinfourl methods
 | |
|             r.code, r.msg == 200, "OK"  # added from MockHTTPClass.getreply()
 | |
|             hdrs = r.info()
 | |
|             hdrs.get; hdrs.has_key  # r.info() gives dict from .getreply()
 | |
|             self.assertEqual(r.geturl(), url)
 | |
| 
 | |
|             self.assertEqual(http.host, "example.com")
 | |
|             self.assertEqual(http.level, 0)
 | |
|             self.assertEqual(http.method, method)
 | |
|             self.assertEqual(http.selector, "/")
 | |
|             self.assertEqual(http.req_headers,
 | |
|                              [("Connection", "close"),
 | |
|                               ("Foo", "bar"), ("Spam", "eggs")])
 | |
|             self.assertEqual(http.data, data)
 | |
| 
 | |
|         # check socket.error converted to URLError
 | |
|         http.raise_on_endheaders = True
 | |
|         self.assertRaises(urllib2.URLError, h.do_open, http, req)
 | |
| 
 | |
|         # check adding of standard headers
 | |
|         o.addheaders = [("Spam", "eggs")]
 | |
|         for data in "", None:  # POST, GET
 | |
|             req = Request("http://example.com/", data)
 | |
|             r = MockResponse(200, "OK", {}, "")
 | |
|             newreq = h.do_request_(req)
 | |
|             if data is None:  # GET
 | |
|                 self.assert_("Content-length" not in req.unredirected_hdrs)
 | |
|                 self.assert_("Content-type" not in req.unredirected_hdrs)
 | |
|             else:  # POST
 | |
|                 self.assertEqual(req.unredirected_hdrs["Content-length"], "0")
 | |
|                 self.assertEqual(req.unredirected_hdrs["Content-type"],
 | |
|                              "application/x-www-form-urlencoded")
 | |
|             # XXX the details of Host could be better tested
 | |
|             self.assertEqual(req.unredirected_hdrs["Host"], "example.com")
 | |
|             self.assertEqual(req.unredirected_hdrs["Spam"], "eggs")
 | |
| 
 | |
|             # don't clobber existing headers
 | |
|             req.add_unredirected_header("Content-length", "foo")
 | |
|             req.add_unredirected_header("Content-type", "bar")
 | |
|             req.add_unredirected_header("Host", "baz")
 | |
|             req.add_unredirected_header("Spam", "foo")
 | |
|             newreq = h.do_request_(req)
 | |
|             self.assertEqual(req.unredirected_hdrs["Content-length"], "foo")
 | |
|             self.assertEqual(req.unredirected_hdrs["Content-type"], "bar")
 | |
|             self.assertEqual(req.unredirected_hdrs["Host"], "baz")
 | |
|             self.assertEqual(req.unredirected_hdrs["Spam"], "foo")
 | |
| 
 | |
|     def test_errors(self):
 | |
|         h = urllib2.HTTPErrorProcessor()
 | |
|         o = h.parent = MockOpener()
 | |
| 
 | |
|         url = "http://example.com/"
 | |
|         req = Request(url)
 | |
|         # 200 OK is passed through
 | |
|         r = MockResponse(200, "OK", {}, "", url)
 | |
|         newr = h.http_response(req, r)
 | |
|         self.assert_(r is newr)
 | |
|         self.assert_(not hasattr(o, "proto"))  # o.error not called
 | |
|         # anything else calls o.error (and MockOpener returns None, here)
 | |
|         r = MockResponse(201, "Created", {}, "", url)
 | |
|         self.assert_(h.http_response(req, r) is None)
 | |
|         self.assertEqual(o.proto, "http")  # o.error called
 | |
|         self.assertEqual(o.args, (req, r, 201, "Created", {}))
 | |
| 
 | |
|     def test_cookies(self):
 | |
|         cj = MockCookieJar()
 | |
|         h = urllib2.HTTPCookieProcessor(cj)
 | |
|         o = h.parent = MockOpener()
 | |
| 
 | |
|         req = Request("http://example.com/")
 | |
|         r = MockResponse(200, "OK", {}, "")
 | |
|         newreq = h.http_request(req)
 | |
|         self.assert_(cj.ach_req is req is newreq)
 | |
|         self.assertEquals(req.get_origin_req_host(), "example.com")
 | |
|         self.assert_(not req.is_unverifiable())
 | |
|         newr = h.http_response(req, r)
 | |
|         self.assert_(cj.ec_req is req)
 | |
|         self.assert_(cj.ec_r is r is newr)
 | |
| 
 | |
|     def test_redirect(self):
 | |
|         from_url = "http://example.com/a.html"
 | |
|         to_url = "http://example.com/b.html"
 | |
|         h = urllib2.HTTPRedirectHandler()
 | |
|         o = h.parent = MockOpener()
 | |
| 
 | |
|         # ordinary redirect behaviour
 | |
|         for code in 301, 302, 303, 307:
 | |
|             for data in None, "blah\nblah\n":
 | |
|                 method = getattr(h, "http_error_%s" % code)
 | |
|                 req = Request(from_url, data)
 | |
|                 req.add_header("Nonsense", "viking=withhold")
 | |
|                 req.add_unredirected_header("Spam", "spam")
 | |
|                 try:
 | |
|                     method(req, MockFile(), code, "Blah",
 | |
|                            MockHeaders({"location": to_url}))
 | |
|                 except urllib2.HTTPError:
 | |
|                     # 307 in response to POST requires user OK
 | |
|                     self.assert_(code == 307 and data is not None)
 | |
|                 self.assertEqual(o.req.get_full_url(), to_url)
 | |
|                 try:
 | |
|                     self.assertEqual(o.req.get_method(), "GET")
 | |
|                 except AttributeError:
 | |
|                     self.assert_(not o.req.has_data())
 | |
|                 self.assertEqual(o.req.headers["Nonsense"],
 | |
|                                  "viking=withhold")
 | |
|                 self.assert_("Spam" not in o.req.headers)
 | |
|                 self.assert_("Spam" not in o.req.unredirected_hdrs)
 | |
| 
 | |
|         # loop detection
 | |
|         req = Request(from_url)
 | |
|         def redirect(h, req, url=to_url):
 | |
|             h.http_error_302(req, MockFile(), 302, "Blah",
 | |
|                              MockHeaders({"location": url}))
 | |
|         # Note that the *original* request shares the same record of
 | |
|         # redirections with the sub-requests caused by the redirections.
 | |
| 
 | |
|         # detect infinite loop redirect of a URL to itself
 | |
|         req = Request(from_url, origin_req_host="example.com")
 | |
|         count = 0
 | |
|         try:
 | |
|             while 1:
 | |
|                 redirect(h, req, "http://example.com/")
 | |
|                 count = count + 1
 | |
|         except urllib2.HTTPError:
 | |
|             # don't stop until max_repeats, because cookies may introduce state
 | |
|             self.assertEqual(count, urllib2.HTTPRedirectHandler.max_repeats)
 | |
| 
 | |
|         # detect endless non-repeating chain of redirects
 | |
|         req = Request(from_url, origin_req_host="example.com")
 | |
|         count = 0
 | |
|         try:
 | |
|             while 1:
 | |
|                 redirect(h, req, "http://example.com/%d" % count)
 | |
|                 count = count + 1
 | |
|         except urllib2.HTTPError:
 | |
|             self.assertEqual(count,
 | |
|                              urllib2.HTTPRedirectHandler.max_redirections)
 | |
| 
 | |
|     def test_cookie_redirect(self):
 | |
|         class MockHTTPHandler(urllib2.HTTPHandler):
 | |
|             def __init__(self): self._count = 0
 | |
|             def http_open(self, req):
 | |
|                 import mimetools
 | |
|                 from StringIO import StringIO
 | |
|                 if self._count == 0:
 | |
|                     self._count = self._count + 1
 | |
|                     msg = mimetools.Message(
 | |
|                         StringIO("Location: http://www.cracker.com/\r\n\r\n"))
 | |
|                     return self.parent.error(
 | |
|                         "http", req, MockFile(), 302, "Found", msg)
 | |
|                 else:
 | |
|                     self.req = req
 | |
|                     msg = mimetools.Message(StringIO("\r\n\r\n"))
 | |
|                     return MockResponse(200, "OK", msg, "", req.get_full_url())
 | |
|         # cookies shouldn't leak into redirected requests
 | |
|         from cookielib import CookieJar
 | |
|         from urllib2 import build_opener, HTTPHandler, HTTPError, \
 | |
|              HTTPCookieProcessor
 | |
| 
 | |
|         from test.test_cookielib import interact_netscape
 | |
| 
 | |
|         cj = CookieJar()
 | |
|         interact_netscape(cj, "http://www.example.com/", "spam=eggs")
 | |
|         hh = MockHTTPHandler()
 | |
|         cp = HTTPCookieProcessor(cj)
 | |
|         o = build_opener(hh, cp)
 | |
|         o.open("http://www.example.com/")
 | |
|         self.assert_(not hh.req.has_header("Cookie"))
 | |
| 
 | |
|     def test_proxy(self):
 | |
|         o = OpenerDirector()
 | |
|         ph = urllib2.ProxyHandler(dict(http="proxy.example.com:3128"))
 | |
|         o.add_handler(ph)
 | |
|         meth_spec = [
 | |
|             [("http_open", "return response")]
 | |
|             ]
 | |
|         handlers = add_ordered_mock_handlers(o, meth_spec)
 | |
| 
 | |
|         req = Request("http://acme.example.com/")
 | |
|         self.assertEqual(req.get_host(), "acme.example.com")
 | |
|         r = o.open(req)
 | |
|         self.assertEqual(req.get_host(), "proxy.example.com:3128")
 | |
| 
 | |
|         self.assertEqual([(handlers[0], "http_open")],
 | |
|                          [tup[0:2] for tup in o.calls])
 | |
| 
 | |
| 
 | |
| class MiscTests(unittest.TestCase):
 | |
| 
 | |
|     def test_build_opener(self):
 | |
|         class MyHTTPHandler(urllib2.HTTPHandler): pass
 | |
|         class FooHandler(urllib2.BaseHandler):
 | |
|             def foo_open(self): pass
 | |
|         class BarHandler(urllib2.BaseHandler):
 | |
|             def bar_open(self): pass
 | |
| 
 | |
|         build_opener = urllib2.build_opener
 | |
| 
 | |
|         o = build_opener(FooHandler, BarHandler)
 | |
|         self.opener_has_handler(o, FooHandler)
 | |
|         self.opener_has_handler(o, BarHandler)
 | |
| 
 | |
|         # can take a mix of classes and instances
 | |
|         o = build_opener(FooHandler, BarHandler())
 | |
|         self.opener_has_handler(o, FooHandler)
 | |
|         self.opener_has_handler(o, BarHandler)
 | |
| 
 | |
|         # subclasses of default handlers override default handlers
 | |
|         o = build_opener(MyHTTPHandler)
 | |
|         self.opener_has_handler(o, MyHTTPHandler)
 | |
| 
 | |
|         # a particular case of overriding: default handlers can be passed
 | |
|         # in explicitly
 | |
|         o = build_opener()
 | |
|         self.opener_has_handler(o, urllib2.HTTPHandler)
 | |
|         o = build_opener(urllib2.HTTPHandler)
 | |
|         self.opener_has_handler(o, urllib2.HTTPHandler)
 | |
|         o = build_opener(urllib2.HTTPHandler())
 | |
|         self.opener_has_handler(o, urllib2.HTTPHandler)
 | |
| 
 | |
|     def opener_has_handler(self, opener, handler_class):
 | |
|         for h in opener.handlers:
 | |
|             if h.__class__ == handler_class:
 | |
|                 break
 | |
|         else:
 | |
|             self.assert_(False)
 | |
| 
 | |
| class NetworkTests(unittest.TestCase):
 | |
|     def setUp(self):
 | |
|         if 0:  # for debugging
 | |
|             import logging
 | |
|             logger = logging.getLogger("test_urllib2")
 | |
|             logger.addHandler(logging.StreamHandler())
 | |
| 
 | |
|     def test_range (self):
 | |
|         req = urllib2.Request("http://www.python.org",
 | |
|                               headers={'Range': 'bytes=20-39'})
 | |
|         result = urllib2.urlopen(req)
 | |
|         data = result.read()
 | |
|         self.assertEqual(len(data), 20)
 | |
| 
 | |
|     # XXX The rest of these tests aren't very good -- they don't check much.
 | |
|     # They do sometimes catch some major disasters, though.
 | |
| 
 | |
|     def test_ftp(self):
 | |
|         urls = [
 | |
|             'ftp://www.python.org/pub/python/misc/sousa.au',
 | |
|             'ftp://www.python.org/pub/tmp/blat',
 | |
|             'ftp://gatekeeper.research.compaq.com/pub/DEC/SRC'
 | |
|                 '/research-reports/00README-Legal-Rules-Regs',
 | |
|             ]
 | |
|         self._test_urls(urls, self._extra_handlers())
 | |
| 
 | |
|     def test_gopher(self):
 | |
|         import warnings
 | |
|         warnings.filterwarnings("ignore",
 | |
|                                 "the gopherlib module is deprecated",
 | |
|                                 DeprecationWarning,
 | |
|                                 "urllib2$")
 | |
|         urls = [
 | |
|             # Thanks to Fred for finding these!
 | |
|             'gopher://gopher.lib.ncsu.edu/11/library/stacks/Alex',
 | |
|             'gopher://gopher.vt.edu:10010/10/33',
 | |
|             ]
 | |
|         self._test_urls(urls, self._extra_handlers())
 | |
| 
 | |
|     def test_file(self):
 | |
|         TESTFN = test_support.TESTFN
 | |
|         f = open(TESTFN, 'w')
 | |
|         try:
 | |
|             f.write('hi there\n')
 | |
|             f.close()
 | |
|             urls = [
 | |
|                 'file:'+sanepathname2url(os.path.abspath(TESTFN)),
 | |
| 
 | |
|                 # XXX bug, should raise URLError
 | |
|                 #('file://nonsensename/etc/passwd', None, urllib2.URLError)
 | |
|                 ('file://nonsensename/etc/passwd', None, (OSError, socket.error))
 | |
|                 ]
 | |
|             self._test_urls(urls, self._extra_handlers())
 | |
|         finally:
 | |
|             os.remove(TESTFN)
 | |
| 
 | |
|     def test_http(self):
 | |
|         urls = [
 | |
|             'http://www.espn.com/', # redirect
 | |
|             'http://www.python.org/Spanish/Inquistion/',
 | |
|             ('http://www.python.org/cgi-bin/faqw.py',
 | |
|              'query=pythonistas&querytype=simple&casefold=yes&req=search', None),
 | |
|             'http://www.python.org/',
 | |
|             ]
 | |
|         self._test_urls(urls, self._extra_handlers())
 | |
| 
 | |
|     # XXX Following test depends on machine configurations that are internal
 | |
|     # to CNRI.  Need to set up a public server with the right authentication
 | |
|     # configuration for test purposes.
 | |
| 
 | |
| ##     def test_cnri(self):
 | |
| ##         if socket.gethostname() == 'bitdiddle':
 | |
| ##             localhost = 'bitdiddle.cnri.reston.va.us'
 | |
| ##         elif socket.gethostname() == 'bitdiddle.concentric.net':
 | |
| ##             localhost = 'localhost'
 | |
| ##         else:
 | |
| ##             localhost = None
 | |
| ##         if localhost is not None:
 | |
| ##             urls = [
 | |
| ##                 'file://%s/etc/passwd' % localhost,
 | |
| ##                 'http://%s/simple/' % localhost,
 | |
| ##                 'http://%s/digest/' % localhost,
 | |
| ##                 'http://%s/not/found.h' % localhost,
 | |
| ##                 ]
 | |
| 
 | |
| ##             bauth = HTTPBasicAuthHandler()
 | |
| ##             bauth.add_password('basic_test_realm', localhost, 'jhylton',
 | |
| ##                                'password')
 | |
| ##             dauth = HTTPDigestAuthHandler()
 | |
| ##             dauth.add_password('digest_test_realm', localhost, 'jhylton',
 | |
| ##                                'password')
 | |
| 
 | |
| ##             self._test_urls(urls, self._extra_handlers()+[bauth, dauth])
 | |
| 
 | |
|     def _test_urls(self, urls, handlers):
 | |
|         import socket
 | |
|         import time
 | |
|         import logging
 | |
|         debug = logging.getLogger("test_urllib2").debug
 | |
| 
 | |
|         urllib2.install_opener(urllib2.build_opener(*handlers))
 | |
| 
 | |
|         for url in urls:
 | |
|             if isinstance(url, tuple):
 | |
|                 url, req, expected_err = url
 | |
|             else:
 | |
|                 req = expected_err = None
 | |
|             debug(url)
 | |
|             try:
 | |
|                 f = urllib2.urlopen(url, req)
 | |
|             except (IOError, socket.error, OSError), err:
 | |
|                 debug(err)
 | |
|                 if expected_err:
 | |
|                     self.assert_(isinstance(err, expected_err))
 | |
|             else:
 | |
|                 buf = f.read()
 | |
|                 f.close()
 | |
|                 debug("read %d bytes" % len(buf))
 | |
|             debug("******** next url coming up...")
 | |
|             time.sleep(0.1)
 | |
| 
 | |
|     def _extra_handlers(self):
 | |
|         handlers = []
 | |
| 
 | |
|         handlers.append(urllib2.GopherHandler)
 | |
| 
 | |
|         cfh = urllib2.CacheFTPHandler()
 | |
|         cfh.setTimeout(1)
 | |
|         handlers.append(cfh)
 | |
| 
 | |
| ##         # XXX try out some custom proxy objects too!
 | |
| ##         def at_cnri(req):
 | |
| ##             host = req.get_host()
 | |
| ##             debug(host)
 | |
| ##             if host[-18:] == '.cnri.reston.va.us':
 | |
| ##                 return True
 | |
| ##         p = CustomProxy('http', at_cnri, 'proxy.cnri.reston.va.us')
 | |
| ##         ph = CustomProxyHandler(p)
 | |
| ##         handlers.append(ph)
 | |
| 
 | |
|         return handlers
 | |
| 
 | |
| 
 | |
| def test_main(verbose=None):
 | |
|     test_support.run_doctest(urllib2, verbose)
 | |
|     tests = (TrivialTests,
 | |
|              OpenerDirectorTests,
 | |
|              HandlerTests,
 | |
|              MiscTests)
 | |
|     if test_support.is_resource_enabled('network'):
 | |
|         tests += (NetworkTests,)
 | |
|     test_support.run_unittest(*tests)
 | |
| 
 | |
| if __name__ == "__main__":
 | |
|     test_main(verbose=True)
 | 
