Python copy_reg.add_extension方法代碼示例

# 需要導入模塊: import copy_reg [as 別名]
# 或者: from copy_reg import add_extension [as 別名]
def restore(self):
        code = self.code
        curpair = copy_reg._inverted_registry.get(code)
        if curpair is not None:
            copy_reg.remove_extension(curpair[0], curpair[1], code)
        pair = self.pair
        if pair is not None:
            copy_reg.add_extension(pair[0], pair[1], code) 

# 需要導入模塊: import copy_reg [as 別名]
# 或者: from copy_reg import add_extension [as 別名]
def produce_global_ext(self, extcode, opcode):
        e = ExtensionSaver(extcode)
        try:
            copy_reg.add_extension(__name__, "MyList", extcode)
            x = MyList([1, 2, 3])
            x.foo = 42
            x.bar = "hello"

            # Dump using protocol 1 for comparison.
            s1 = self.dumps(x, 1)
            self.assertIn(__name__, s1)
            self.assertIn("MyList", s1)
            self.assertEqual(opcode_in_pickle(opcode, s1), False)

            y = self.loads(s1)
            self.assertEqual(list(x), list(y))
            self.assertEqual(x.__dict__, y.__dict__)

            # Dump using protocol 2 for test.
            s2 = self.dumps(x, 2)
            self.assertNotIn(__name__, s2)
            self.assertNotIn("MyList", s2)
            self.assertEqual(opcode_in_pickle(opcode, s2), True)

            y = self.loads(s2)
            self.assertEqual(list(x), list(y))
            self.assertEqual(x.__dict__, y.__dict__)

        finally:
            e.restore() 

# 需要導入模塊: import copy_reg [as 別名]
# 或者: from copy_reg import add_extension [as 別名]
def test_add_extension(self):
        global obj
        obj = object()

        #The module is system defined module:random
        copy_reg.add_extension(random,obj,100)

        #The module is a custom mudole or the module argument is not a type of module
        global mod
        mod = imp.new_module('module')
        sys.modules['argu1'] = mod
        import argu1
        copy_reg.add_extension(argu1,obj,1)

        module = True
        copy_reg.add_extension(module,obj,6)

        # the value is zero or less than zero
        module = "module"
        self.assertRaises(ValueError,copy_reg.add_extension,module,obj,0)
        self.assertRaises(ValueError,copy_reg.add_extension,module,object(),-987654)

        # the key is already registered with code
        self.assertRaises(ValueError,copy_reg.add_extension,argu1,object(),100)

        # the code is already in use for key
        self.assertRaises(ValueError,copy_reg.add_extension,random,obj,100009)

    #TODO: @skip("multiple_execute") 

# 需要導入模塊: import copy_reg [as 別名]
# 或者: from copy_reg import add_extension [as 別名]
def test_remove_extension(self):
        #delete extension
        copy_reg.remove_extension(random,obj,100)
        import argu1
        copy_reg.remove_extension(argu1,obj,1)
        module = True
        copy_reg.remove_extension(module,obj,6)

        #remove extension which has not been registed
        self.assertRaises(ValueError,copy_reg.remove_extension,random,obj,2)
        self.assertRaises(ValueError,copy_reg.remove_extension,random,object(),100)
        self.assertRaises(ValueError,copy_reg.remove_extension,argu1,obj,1)

        copy_reg.add_extension(argu1,obj,1)
        self.assertRaises(ValueError,copy_reg.remove_extension,argu1,obj,0) 

# 需要導入模塊: import copy_reg [as 別名]
# 或者: from copy_reg import add_extension [as 別名]
def test_inverted_registry(self):
        copy_reg.add_extension('obj1','obj2',64)
        #get
        result = copy_reg._inverted_registry[64]
        self.assertTrue(result == ('obj1','obj2'),
                "The _inverted_registry attribute did not return the correct value")
        
        #set
        value = ('newmodule','newobj')
        copy_reg._inverted_registry[10001] = value
        result = copy_reg._inverted_registry[10001]
        self.assertTrue(result == value,
                "The setattr of _inverted_registry attribute failed") 

# 需要導入模塊: import copy_reg [as 別名]
# 或者: from copy_reg import add_extension [as 別名]
def produce_global_ext(self, extcode, opcode):
        e = ExtensionSaver(extcode)
        try:
            copy_reg.add_extension(__name__, "MyList", extcode)
            x = MyList([1, 2, 3])
            x.foo = 42
            x.bar = "hello"

            # Dump using protocol 1 for comparison.
            s1 = self.dumps(x, 1)
            self.assert_(__name__ in s1)
            self.assert_("MyList" in s1)
            self.assertEqual(opcode_in_pickle(opcode, s1), False)

            y = self.loads(s1)
            self.assertEqual(list(x), list(y))
            self.assertEqual(x.__dict__, y.__dict__)

            # Dump using protocol 2 for test.
            s2 = self.dumps(x, 2)
            self.assert_(__name__ not in s2)
            self.assert_("MyList" not in s2)
            self.assertEqual(opcode_in_pickle(opcode, s2), True)

            y = self.loads(s2)
            self.assertEqual(list(x), list(y))
            self.assertEqual(x.__dict__, y.__dict__)

        finally:
            e.restore() 

# 需要導入模塊: import copy_reg [as 別名]
# 或者: from copy_reg import add_extension [as 別名]
def test_extension_registry(self):
        mod, func, code = 'junk1 ', ' junk2', 0xabcd
        e = ExtensionSaver(code)
        try:
            # Shouldn't be in registry now.
            self.assertRaises(ValueError, copy_reg.remove_extension,
                              mod, func, code)
            copy_reg.add_extension(mod, func, code)
            # Should be in the registry.
            self.assertTrue(copy_reg._extension_registry[mod, func] == code)
            self.assertTrue(copy_reg._inverted_registry[code] == (mod, func))
            # Shouldn't be in the cache.
            self.assertNotIn(code, copy_reg._extension_cache)
            # Redundant registration should be OK.
            copy_reg.add_extension(mod, func, code)  # shouldn't blow up
            # Conflicting code.
            self.assertRaises(ValueError, copy_reg.add_extension,
                              mod, func, code + 1)
            self.assertRaises(ValueError, copy_reg.remove_extension,
                              mod, func, code + 1)
            # Conflicting module name.
            self.assertRaises(ValueError, copy_reg.add_extension,
                              mod[1:], func, code )
            self.assertRaises(ValueError, copy_reg.remove_extension,
                              mod[1:], func, code )
            # Conflicting function name.
            self.assertRaises(ValueError, copy_reg.add_extension,
                              mod, func[1:], code)
            self.assertRaises(ValueError, copy_reg.remove_extension,
                              mod, func[1:], code)
            # Can't remove one that isn't registered at all.
            if code + 1 not in copy_reg._inverted_registry:
                self.assertRaises(ValueError, copy_reg.remove_extension,
                                  mod[1:], func[1:], code + 1)

        finally:
            e.restore()

        # Shouldn't be there anymore.
        self.assertNotIn((mod, func), copy_reg._extension_registry)
        # The code *may* be in copy_reg._extension_registry, though, if
        # we happened to pick on a registered code.  So don't check for
        # that.

        # Check valid codes at the limits.
        for code in 1, 0x7fffffff:
            e = ExtensionSaver(code)
            try:
                copy_reg.add_extension(mod, func, code)
                copy_reg.remove_extension(mod, func, code)
            finally:
                e.restore()

        # Ensure invalid codes blow up.
        for code in -1, 0, 0x80000000L:
            self.assertRaises(ValueError, copy_reg.add_extension,
                              mod, func, code) 

# 需要導入模塊: import copy_reg [as 別名]
# 或者: from copy_reg import add_extension [as 別名]
def test_extension_registry(self):
        mod, func, code = 'junk1 ', ' junk2', 0xabcd
        e = ExtensionSaver(code)
        try:
            # Shouldn't be in registry now.
            self.assertRaises(ValueError, copy_reg.remove_extension,
                              mod, func, code)
            copy_reg.add_extension(mod, func, code)
            # Should be in the registry.
            self.assert_(copy_reg._extension_registry[mod, func] == code)
            self.assert_(copy_reg._inverted_registry[code] == (mod, func))
            # Shouldn't be in the cache.
            self.assert_(code not in copy_reg._extension_cache)
            # Redundant registration should be OK.
            copy_reg.add_extension(mod, func, code)  # shouldn't blow up
            # Conflicting code.
            self.assertRaises(ValueError, copy_reg.add_extension,
                              mod, func, code + 1)
            self.assertRaises(ValueError, copy_reg.remove_extension,
                              mod, func, code + 1)
            # Conflicting module name.
            self.assertRaises(ValueError, copy_reg.add_extension,
                              mod[1:], func, code )
            self.assertRaises(ValueError, copy_reg.remove_extension,
                              mod[1:], func, code )
            # Conflicting function name.
            self.assertRaises(ValueError, copy_reg.add_extension,
                              mod, func[1:], code)
            self.assertRaises(ValueError, copy_reg.remove_extension,
                              mod, func[1:], code)
            # Can't remove one that isn't registered at all.
            if code + 1 not in copy_reg._inverted_registry:
                self.assertRaises(ValueError, copy_reg.remove_extension,
                                  mod[1:], func[1:], code + 1)

        finally:
            e.restore()

        # Shouldn't be there anymore.
        self.assert_((mod, func) not in copy_reg._extension_registry)
        # The code *may* be in copy_reg._extension_registry, though, if
        # we happened to pick on a registered code.  So don't check for
        # that.

        # Check valid codes at the limits.
        for code in 1, 0x7fffffff:
            e = ExtensionSaver(code)
            try:
                copy_reg.add_extension(mod, func, code)
                copy_reg.remove_extension(mod, func, code)
            finally:
                e.restore()

        # Ensure invalid codes blow up.
        for code in -1, 0, 0x80000000L:
            self.assertRaises(ValueError, copy_reg.add_extension,
                              mod, func, code)