Python Types.coerce_to方法代碼示例

# 需要導入模塊: from krpc.types import Types [as 別名]
# 或者: from krpc.types.Types import coerce_to [as 別名]
    def test_coerce_to(self):
        types = Types()
        cases = [
            (42.0, 42,   'double'),
            (42.0, 42,   'float'),
            (42,   42.0, 'int32'),
            (42,   42L,  'int32'),
            (42L,  42.0, 'int64'),
            (42L,  42,   'int64'),
            (42,   42.0, 'uint32'),
            (42,   42L,  'uint32'),
            (42L,  42.0, 'uint64'),
            (42L,  42,   'uint64'),
            (list(), tuple(), 'List(string)'),
            ((0,1,2), [0,1,2], 'Tuple(int32,int32,int32)'),
            ([0,1,2], (0,1,2), 'List(int32)'),
        ]
        for expected, value, typ in cases:
            coerced_value = types.coerce_to(value, types.as_type(typ))
            self.assertEqual(expected, coerced_value)
            self.assertEqual(type(expected), type(coerced_value))

        self.assertEqual(['foo','bar'], types.coerce_to(['foo','bar'], types.as_type('List(string)')))

        self.assertRaises(ValueError, types.coerce_to, None, types.as_type('float'))
        self.assertRaises(ValueError, types.coerce_to, '', types.as_type('float'))
        self.assertRaises(ValueError, types.coerce_to, True, types.as_type('float'))

        self.assertRaises(ValueError, types.coerce_to, list(), types.as_type('Tuple(int32)'))
        self.assertRaises(ValueError, types.coerce_to, ["foo",2], types.as_type('Tuple(string)'))
        self.assertRaises(ValueError, types.coerce_to, [1], types.as_type('Tuple(string)'))

# 需要導入模塊: from krpc.types import Types [as 別名]
# 或者: from krpc.types.Types import coerce_to [as 別名]
    def test_coerce_to(self):
        types = Types()
        cases = [
            (42.0, 42, types.double_type),
            (42.0, 42, types.float_type),
            (42, 42.0, types.sint32_type),
            (42, 42L, types.sint32_type),
            (42L, 42.0, types.sint64_type),
            (42L, 42, types.sint64_type),
            (42, 42.0, types.uint32_type),
            (42, 42L, types.uint32_type),
            (42L, 42.0, types.uint64_type),
            (42L, 42, types.uint64_type),
            (list(), tuple(), types.list_type(types.string_type)),
            ((0, 1, 2), [0, 1, 2],
             types.tuple_type(types.sint32_type,
                              types.sint32_type,
                              types.sint32_type)),
            ([0, 1, 2], (0, 1, 2),
             types.list_type(types.sint32_type)),
            (['foo', 'bar'], ['foo', 'bar'],
             types.list_type(types.string_type))
        ]
        for expected, value, typ in cases:
            coerced_value = types.coerce_to(value, typ)
            self.assertEqual(expected, coerced_value)
            self.assertEqual(type(expected), type(coerced_value))

        strings = [
            u'foo',
            u'\xe2\x84\xa2',
            u'Mystery Goo\xe2\x84\xa2 Containment Unit'
        ]
        for string in strings:
            self.assertEqual(
                string, types.coerce_to(string, types.string_type))

        self.assertRaises(ValueError, types.coerce_to,
                          None, types.float_type)
        self.assertRaises(ValueError, types.coerce_to,
                          '', types.float_type)
        self.assertRaises(ValueError, types.coerce_to,
                          True, types.float_type)

        self.assertRaises(ValueError, types.coerce_to,
                          list(), types.tuple_type(types.uint32_type))
        self.assertRaises(ValueError, types.coerce_to,
                          ['foo', 2], types.tuple_type(types.string_type))
        self.assertRaises(ValueError, types.coerce_to,
                          [1], types.tuple_type(types.string_type))

# 需要導入模塊: from krpc.types import Types [as 別名]
# 或者: from krpc.types.Types import coerce_to [as 別名]
    def test_coerce_to(self):
        types = Types()
        cases = [
            (42.0, 42, 'double'),
            (42.0, 42, 'float'),
            (42, 42.0, 'int32'),
            (42, 42L, 'int32'),
            (42L, 42.0, 'int64'),
            (42L, 42, 'int64'),
            (42, 42.0, 'uint32'),
            (42, 42L, 'uint32'),
            (42L, 42.0, 'uint64'),
            (42L, 42, 'uint64'),
            (list(), tuple(), 'List(string)'),
            ((0, 1, 2), [0, 1, 2], 'Tuple(int32,int32,int32)'),
            ([0, 1, 2], (0, 1, 2), 'List(int32)'),
        ]
        for expected, value, typ in cases:
            coerced_value = types.coerce_to(value, types.as_type(typ))
            self.assertEqual(expected, coerced_value)
            self.assertEqual(type(expected), type(coerced_value))

        strings = [
            u'foo',
            u'\xe2\x84\xa2',
            u'Mystery Goo\xe2\x84\xa2 Containment Unit'
        ]
        for string in strings:
            self.assertEqual(string, types.coerce_to(string, types.as_type('string')))

        self.assertEqual(['foo', 'bar'], types.coerce_to(['foo', 'bar'], types.as_type('List(string)')))

        self.assertRaises(ValueError, types.coerce_to, None, types.as_type('float'))
        self.assertRaises(ValueError, types.coerce_to, '', types.as_type('float'))
        self.assertRaises(ValueError, types.coerce_to, True, types.as_type('float'))

        self.assertRaises(ValueError, types.coerce_to, list(), types.as_type('Tuple(int32)'))
        self.assertRaises(ValueError, types.coerce_to, ['foo', 2], types.as_type('Tuple(string)'))
        self.assertRaises(ValueError, types.coerce_to, [1], types.as_type('Tuple(string)'))

# 需要導入模塊: from krpc.types import Types [as 別名]
# 或者: from krpc.types.Types import coerce_to [as 別名]
class Client(object):
    """
    A kRPC client, through which all Remote Procedure Calls are made.
    Services provided by the server that the client connects to are automatically added.
    RPCs can be made using client.ServiceName.ProcedureName(parameter)
    """

    def __init__(self, rpc_connection, stream_connection):
        self._types = Types()
        self._rpc_connection = rpc_connection
        self._rpc_connection_lock = threading.Lock()
        self._stream_connection = stream_connection
        self._request_type = self._types.as_type("KRPC.Request")
        self._response_type = self._types.as_type("KRPC.Response")

        # Set up the main KRPC service
        self.krpc = KRPC(self)

        services = self.krpc.get_services().services

        # Create class types
        # TODO: is this needed?!?
        for service in services:
            for procedure in service.procedures:
                try:
                    name = Attributes.get_class_name(procedure.attributes)
                    self._types.as_type("Class(" + service.name + "." + name + ")")
                except ValueError:
                    pass

        # Set up services
        for service in services:
            if service.name != "KRPC":
                setattr(self, _to_snake_case(service.name), create_service(self, service))

        # Set up stream update thread
        if stream_connection is not None:
            self._stream_thread = threading.Thread(target=krpc.stream.update_thread, args=(stream_connection,))
            self._stream_thread.daemon = True
            self._stream_thread.start()
        else:
            self._stream_thread = None

    def close(self):
        self._rpc_connection.close()
        if self._stream_connection is not None:
            self._stream_connection.close()

    def __enter__(self):
        return self

    def __exit__(self, typ, value, traceback):
        self.close()

    def add_stream(self, func, *args, **kwargs):
        if self._stream_connection is None:
            raise RuntimeError("Not connected to stream server")
        return krpc.stream.add_stream(self, func, *args, **kwargs)

    @contextmanager
    def stream(self, func, *args, **kwargs):
        """ 'with' support """
        s = self.add_stream(func, *args, **kwargs)
        try:
            yield s
        finally:
            s.remove()

    def _invoke(self, service, procedure, args=[], kwargs={}, param_names=[], param_types=[], return_type=None):
        """ Execute an RPC """

        # Build the request
        request = self._build_request(service, procedure, args, kwargs, param_names, param_types, return_type)

        # Send the request
        with self._rpc_connection_lock:
            self._send_request(request)
            response = self._receive_response()

        # Check for an error response
        if response.HasField("error"):
            raise RPCError(response.error)

        # Decode the response and return the (optional) result
        result = None
        if return_type is not None:
            result = Decoder.decode(response.return_value, return_type)
        return result

    def _build_request(self, service, procedure, args=[], kwargs={}, param_names=[], param_types=[], return_type=None):
        """ Build a KRPC.Request object """

        def encode_argument(i, value):
            typ = param_types[i]
            if type(value) != typ.python_type:
                # Try coercing to the correct type
                try:
                    value = self._types.coerce_to(value, typ)
                except ValueError:
                    raise TypeError(
#.........這裏部分代碼省略.........

# 需要導入模塊: from krpc.types import Types [as 別名]
# 或者: from krpc.types.Types import coerce_to [as 別名]
class Client(object):
    """
    A kRPC client, through which all Remote Procedure Calls are made.
    Services provided by the server that the client connects to are automatically added.
    RPCs can be made using client.ServiceName.ProcedureName(parameter)
    """

    def __init__(self, rpc_connection, stream_connection):
        self._types = Types()
        self._rpc_connection = rpc_connection
        self._rpc_connection_lock = threading.Lock()
        self._stream_connection = stream_connection
        self._stream_cache = {}
        self._stream_cache_lock = threading.Lock()
        self._request_type = self._types.as_type('KRPC.Request')
        self._response_type = self._types.as_type('KRPC.Response')

        # Get the services
        services = self._invoke('KRPC', 'GetServices', [], [], [], self._types.as_type('KRPC.Services')).services

        # Set up services
        for service in services:
            setattr(self, snake_case(service.name), create_service(self, service))

        # Set up stream update thread
        if stream_connection is not None:
            self._stream_thread_stop = threading.Event()
            self._stream_thread = threading.Thread(target=krpc.stream.update_thread,
                                                   args=(stream_connection, self._stream_thread_stop,
                                                         self._stream_cache, self._stream_cache_lock))
            self._stream_thread.daemon = True
            self._stream_thread.start()
        else:
            self._stream_thread = None

    def close(self):
        self._rpc_connection.close()
        if self._stream_thread is not None:
            self._stream_thread_stop.set()
            self._stream_thread.join()

    def __enter__(self):
        return self

    def __exit__(self, typ, value, traceback):
        self.close()

    def add_stream(self, func, *args, **kwargs):
        if self._stream_connection is None:
            raise RuntimeError('Not connected to stream server')
        return krpc.stream.add_stream(self, func, *args, **kwargs)

    @contextmanager
    def stream(self, func, *args, **kwargs):
        """ 'with' support """
        stream = self.add_stream(func, *args, **kwargs)
        try:
            yield stream
        finally:
            stream.remove()

    def _invoke(self, service, procedure, args, param_names, param_types, return_type):
        """ Execute an RPC """

        # Build the request
        request = self._build_request(service, procedure, args, param_names, param_types, return_type)

        # Send the request
        with self._rpc_connection_lock:
            self._send_request(request)
            response = self._receive_response()

        # Check for an error response
        if response.has_error:
            raise RPCError(response.error)

        # Decode the response and return the (optional) result
        result = None
        if return_type is not None:
            result = Decoder.decode(response.return_value, return_type)
        return result

    def _build_request(self, service, procedure, args,
                       param_names, param_types, return_type): #pylint: disable=unused-argument
        """ Build a KRPC.Request object """

        request = krpc.schema.KRPC.Request(service=service, procedure=procedure)

        for i, (value, typ) in enumerate(itertools.izip(args, param_types)):
            if isinstance(value, DefaultArgument):
                continue
            if not isinstance(value, typ.python_type):
                try:
                    value = self._types.coerce_to(value, typ)
                except ValueError:
                    raise TypeError('%s.%s() argument %d must be a %s, got a %s' % \
                                    (service, procedure, i, typ.python_type, type(value)))
            request.arguments.add(position=i, value=Encoder.encode(value, typ))

        return request
#.........這裏部分代碼省略.........