Python message.ParseFromString方法代码示例

# 需要导入模块: from google.protobuf import message [as 别名]
# 或者: from google.protobuf.message import ParseFromString [as 别名]
def testNegativeInfinity(self, message_module):
    if message_module is unittest_pb2:
      golden_data = (b'\x5D\x00\x00\x80\xFF'
                     b'\x61\x00\x00\x00\x00\x00\x00\xF0\xFF'
                     b'\xCD\x02\x00\x00\x80\xFF'
                     b'\xD1\x02\x00\x00\x00\x00\x00\x00\xF0\xFF')
    else:
      golden_data = (b'\x5D\x00\x00\x80\xFF'
                     b'\x61\x00\x00\x00\x00\x00\x00\xF0\xFF'
                     b'\xCA\x02\x04\x00\x00\x80\xFF'
                     b'\xD2\x02\x08\x00\x00\x00\x00\x00\x00\xF0\xFF')

    golden_message = message_module.TestAllTypes()
    golden_message.ParseFromString(golden_data)
    self.assertTrue(IsNegInf(golden_message.optional_float))
    self.assertTrue(IsNegInf(golden_message.optional_double))
    self.assertTrue(IsNegInf(golden_message.repeated_float[0]))
    self.assertTrue(IsNegInf(golden_message.repeated_double[0]))
    self.assertEqual(golden_data, golden_message.SerializeToString()) 

# 需要导入模块: from google.protobuf import message [as 别名]
# 或者: from google.protobuf.message import ParseFromString [as 别名]
def testGoldenMessage(self, message_module):
    # Proto3 doesn't have the "default_foo" members or foreign enums,
    # and doesn't preserve unknown fields, so for proto3 we use a golden
    # message that doesn't have these fields set.
    if message_module is unittest_pb2:
      golden_data = test_util.GoldenFileData(
          'golden_message_oneof_implemented')
    else:
      golden_data = test_util.GoldenFileData('golden_message_proto3')

    golden_message = message_module.TestAllTypes()
    golden_message.ParseFromString(golden_data)
    if message_module is unittest_pb2:
      test_util.ExpectAllFieldsSet(self, golden_message)
    self.assertEqual(golden_data, golden_message.SerializeToString())
    golden_copy = copy.deepcopy(golden_message)
    self.assertEqual(golden_data, golden_copy.SerializeToString()) 

# 需要导入模块: from google.protobuf import message [as 别名]
# 或者: from google.protobuf.message import ParseFromString [as 别名]
def testPositiveInfinity(self, message_module):
    if message_module is unittest_pb2:
      golden_data = (b'\x5D\x00\x00\x80\x7F'
                     b'\x61\x00\x00\x00\x00\x00\x00\xF0\x7F'
                     b'\xCD\x02\x00\x00\x80\x7F'
                     b'\xD1\x02\x00\x00\x00\x00\x00\x00\xF0\x7F')
    else:
      golden_data = (b'\x5D\x00\x00\x80\x7F'
                     b'\x61\x00\x00\x00\x00\x00\x00\xF0\x7F'
                     b'\xCA\x02\x04\x00\x00\x80\x7F'
                     b'\xD2\x02\x08\x00\x00\x00\x00\x00\x00\xF0\x7F')

    golden_message = message_module.TestAllTypes()
    golden_message.ParseFromString(golden_data)
    self.assertTrue(IsPosInf(golden_message.optional_float))
    self.assertTrue(IsPosInf(golden_message.optional_double))
    self.assertTrue(IsPosInf(golden_message.repeated_float[0]))
    self.assertTrue(IsPosInf(golden_message.repeated_double[0]))
    self.assertEqual(golden_data, golden_message.SerializeToString()) 

# 需要导入模块: from google.protobuf import message [as 别名]
# 或者: from google.protobuf.message import ParseFromString [as 别名]
def testNestedMessageMapItemDelete(self):
    msg = map_unittest_pb2.TestMap()
    msg.map_int32_all_types[1].optional_nested_message.bb = 1
    del msg.map_int32_all_types[1]
    msg.map_int32_all_types[2].optional_nested_message.bb = 2
    self.assertEqual(1, len(msg.map_int32_all_types))
    msg.map_int32_all_types[1].optional_nested_message.bb = 1
    self.assertEqual(2, len(msg.map_int32_all_types))

    serialized = msg.SerializeToString()
    msg2 = map_unittest_pb2.TestMap()
    msg2.ParseFromString(serialized)
    keys = [1, 2]
    # The loop triggers PyErr_Occurred() in c extension.
    for key in keys:
      del msg2.map_int32_all_types[key] 

# 需要导入模块: from google.protobuf import message [as 别名]
# 或者: from google.protobuf.message import ParseFromString [as 别名]
def testMapAssignmentCausesPresence(self):
    msg = map_unittest_pb2.TestMapSubmessage()
    msg.test_map.map_int32_int32[123] = 456

    serialized = msg.SerializeToString()
    msg2 = map_unittest_pb2.TestMapSubmessage()
    msg2.ParseFromString(serialized)

    self.assertEqual(msg, msg2)

    # Now test that various mutations of the map properly invalidate the
    # cached size of the submessage.
    msg.test_map.map_int32_int32[888] = 999
    serialized = msg.SerializeToString()
    msg2.ParseFromString(serialized)
    self.assertEqual(msg, msg2)

    msg.test_map.map_int32_int32.clear()
    serialized = msg.SerializeToString()
    msg2.ParseFromString(serialized)
    self.assertEqual(msg, msg2) 

# 需要导入模块: from google.protobuf import message [as 别名]
# 或者: from google.protobuf.message import ParseFromString [as 别名]
def testSubmessageMap(self):
    msg = map_unittest_pb2.TestMap()

    submsg = msg.map_int32_foreign_message[111]
    self.assertIs(submsg, msg.map_int32_foreign_message[111])
    self.assertIsInstance(submsg, unittest_pb2.ForeignMessage)

    submsg.c = 5

    serialized = msg.SerializeToString()
    msg2 = map_unittest_pb2.TestMap()
    msg2.ParseFromString(serialized)

    self.assertEqual(5, msg2.map_int32_foreign_message[111].c)

    # Doesn't allow direct submessage assignment.
    with self.assertRaises(ValueError):
      msg.map_int32_foreign_message[88] = unittest_pb2.ForeignMessage() 

# 需要导入模块: from google.protobuf import message [as 别名]
# 或者: from google.protobuf.message import ParseFromString [as 别名]
def testAssignUnknownEnum(self):
    """Assigning an unknown enum value is allowed and preserves the value."""
    m = unittest_proto3_arena_pb2.TestAllTypes()

    m.optional_nested_enum = 1234567
    self.assertEqual(1234567, m.optional_nested_enum)
    m.repeated_nested_enum.append(22334455)
    self.assertEqual(22334455, m.repeated_nested_enum[0])
    # Assignment is a different code path than append for the C++ impl.
    m.repeated_nested_enum[0] = 7654321
    self.assertEqual(7654321, m.repeated_nested_enum[0])
    serialized = m.SerializeToString()

    m2 = unittest_proto3_arena_pb2.TestAllTypes()
    m2.ParseFromString(serialized)
    self.assertEqual(1234567, m2.optional_nested_enum)
    self.assertEqual(7654321, m2.repeated_nested_enum[0])

  # Map isn't really a proto3-only feature. But there is no proto2 equivalent
  # of google/protobuf/map_unittest.proto right now, so it's not easy to
  # test both with the same test like we do for the other proto2/proto3 tests.
  # (google/protobuf/map_protobuf_unittest.proto is very different in the set
  # of messages and fields it contains). 

# 需要导入模块: from google.protobuf import message [as 别名]
# 或者: from google.protobuf.message import ParseFromString [as 别名]
def testNotANumber(self):
    golden_data = (b'\x5D\x00\x00\xC0\x7F'
                   b'\x61\x00\x00\x00\x00\x00\x00\xF8\x7F'
                   b'\xCD\x02\x00\x00\xC0\x7F'
                   b'\xD1\x02\x00\x00\x00\x00\x00\x00\xF8\x7F')
    golden_message = unittest_pb2.TestAllTypes()
    golden_message.ParseFromString(golden_data)
    self.assertTrue(isnan(golden_message.optional_float))
    self.assertTrue(isnan(golden_message.optional_double))
    self.assertTrue(isnan(golden_message.repeated_float[0]))
    self.assertTrue(isnan(golden_message.repeated_double[0]))

    # The protocol buffer may serialize to any one of multiple different
    # representations of a NaN.  Rather than verify a specific representation,
    # verify the serialized string can be converted into a correctly
    # behaving protocol buffer.
    serialized = golden_message.SerializeToString()
    message = unittest_pb2.TestAllTypes()
    message.ParseFromString(serialized)
    self.assertTrue(isnan(message.optional_float))
    self.assertTrue(isnan(message.optional_double))
    self.assertTrue(isnan(message.repeated_float[0]))
    self.assertTrue(isnan(message.repeated_double[0])) 

# 需要导入模块: from google.protobuf import message [as 别名]
# 或者: from google.protobuf.message import ParseFromString [as 别名]
def testAssignInvalidEnum(self):
    """Assigning an invalid enum number is not allowed in proto2."""
    m = unittest_pb2.TestAllTypes()

    # Proto2 can not assign unknown enum.
    with self.assertRaises(ValueError) as _:
      m.optional_nested_enum = 1234567
    self.assertRaises(ValueError, m.repeated_nested_enum.append, 1234567)
    # Assignment is a different code path than append for the C++ impl.
    m.repeated_nested_enum.append(2)
    m.repeated_nested_enum[0] = 2
    with self.assertRaises(ValueError):
      m.repeated_nested_enum[0] = 123456

    # Unknown enum value can be parsed but is ignored.
    m2 = unittest_proto3_arena_pb2.TestAllTypes()
    m2.optional_nested_enum = 1234567
    m2.repeated_nested_enum.append(7654321)
    serialized = m2.SerializeToString()

    m3 = unittest_pb2.TestAllTypes()
    m3.ParseFromString(serialized)
    self.assertFalse(m3.HasField('optional_nested_enum'))
    # 1 is the default value for optional_nested_enum.
    self.assertEqual(1, m3.optional_nested_enum)
    self.assertEqual(0, len(m3.repeated_nested_enum))
    m2.Clear()
    m2.ParseFromString(m3.SerializeToString())
    self.assertEqual(1234567, m2.optional_nested_enum)
    self.assertEqual(7654321, m2.repeated_nested_enum[0]) 

# 需要导入模块: from google.protobuf import message [as 别名]
# 或者: from google.protobuf.message import ParseFromString [as 别名]
def testGoldenPackedMessage(self, message_module):
    golden_data = test_util.GoldenFileData('golden_packed_fields_message')
    golden_message = message_module.TestPackedTypes()
    golden_message.ParseFromString(golden_data)
    all_set = message_module.TestPackedTypes()
    test_util.SetAllPackedFields(all_set)
    self.assertEqual(all_set, golden_message)
    self.assertEqual(golden_data, all_set.SerializeToString())
    golden_copy = copy.deepcopy(golden_message)
    self.assertEqual(golden_data, golden_copy.SerializeToString()) 

# 需要导入模块: from google.protobuf import message [as 别名]
# 或者: from google.protobuf.message import ParseFromString [as 别名]
def testPickleSupport(self, message_module):
    golden_data = test_util.GoldenFileData('golden_message')
    golden_message = message_module.TestAllTypes()
    golden_message.ParseFromString(golden_data)
    pickled_message = pickle.dumps(golden_message)

    unpickled_message = pickle.loads(pickled_message)
    self.assertEqual(unpickled_message, golden_message) 

# 需要导入模块: from google.protobuf import message [as 别名]
# 或者: from google.protobuf.message import ParseFromString [as 别名]
def testPositiveInfinityPacked(self, message_module):
    golden_data = (b'\xA2\x06\x04\x00\x00\x80\x7F'
                   b'\xAA\x06\x08\x00\x00\x00\x00\x00\x00\xF0\x7F')
    golden_message = message_module.TestPackedTypes()
    golden_message.ParseFromString(golden_data)
    self.assertTrue(IsPosInf(golden_message.packed_float[0]))
    self.assertTrue(IsPosInf(golden_message.packed_double[0]))
    self.assertEqual(golden_data, golden_message.SerializeToString()) 

# 需要导入模块: from google.protobuf import message [as 别名]
# 或者: from google.protobuf.message import ParseFromString [as 别名]
def testNegativeInfinityPacked(self, message_module):
    golden_data = (b'\xA2\x06\x04\x00\x00\x80\xFF'
                   b'\xAA\x06\x08\x00\x00\x00\x00\x00\x00\xF0\xFF')
    golden_message = message_module.TestPackedTypes()
    golden_message.ParseFromString(golden_data)
    self.assertTrue(IsNegInf(golden_message.packed_float[0]))
    self.assertTrue(IsNegInf(golden_message.packed_double[0]))
    self.assertEqual(golden_data, golden_message.SerializeToString()) 

# 需要导入模块: from google.protobuf import message [as 别名]
# 或者: from google.protobuf.message import ParseFromString [as 别名]
def testNotANumberPacked(self, message_module):
    golden_data = (b'\xA2\x06\x04\x00\x00\xC0\x7F'
                   b'\xAA\x06\x08\x00\x00\x00\x00\x00\x00\xF8\x7F')
    golden_message = message_module.TestPackedTypes()
    golden_message.ParseFromString(golden_data)
    self.assertTrue(isnan(golden_message.packed_float[0]))
    self.assertTrue(isnan(golden_message.packed_double[0]))

    serialized = golden_message.SerializeToString()
    message = message_module.TestPackedTypes()
    message.ParseFromString(serialized)
    self.assertTrue(isnan(message.packed_float[0]))
    self.assertTrue(isnan(message.packed_double[0])) 

# 需要导入模块: from google.protobuf import message [as 别名]
# 或者: from google.protobuf.message import ParseFromString [as 别名]
def testOneofDeserialize(self, message_module):
    m = message_module.TestAllTypes()
    m.oneof_uint32 = 11
    m2 = message_module.TestAllTypes()
    m2.ParseFromString(m.SerializeToString())
    self.assertEqual('oneof_uint32', m2.WhichOneof('oneof_field'))