Python interface.Interface类代码示例

    def test_add_to_schema_w_extends(self):
        from spyne.const.xml import XSD

        class base(Fault):
            __namespace__ = 'ns'
            @classmethod
            def get_type_name_ns(self, app):
                return 'testing:Base'
        class cls(Fault):
            __namespace__ = 'ns'
            @classmethod
            def get_type_name_ns(self, app):
                return 'testing:My'

        interface = Interface(FakeApp())
        interface.add_class(cls)

        pref = cls.get_namespace_prefix(interface)
        wsdl = Wsdl11(interface)
        wsdl.build_interface_document('prot://addr')
        schema = wsdl.get_schema_info(pref)

        self.assertEqual(len(schema.types), 1)
        self.assertEqual(len(interface.classes), 1)

        c_cls = next(iter(interface.classes.values()))
        c_elt = next(iter(schema.types.values()))

        self.failUnless(c_cls is cls)
        self.assertEqual(c_elt.tag, XSD('complexType'))
        self.assertEqual(c_elt.get('name'), 'cls')

        from lxml import etree
        print(etree.tostring(c_elt, pretty_print=True))
        self.assertEqual(len(c_elt), 0)

    def test_add_to_schema_no_extends(self):
        import spyne.const.xml_ns
        ns_xsd = spyne.const.xml_ns.xsd

        class cls(Fault):
            __namespace__='ns'
            @classmethod
            def get_type_name_ns(self, app):
                return 'testing:My'

        interface = Interface(FakeApp())
        interface.add_class(cls)

        pref = cls.get_namespace_prefix(interface)
        wsdl = Wsdl11(interface)
        wsdl.build_interface_document('prot://addr')
        schema = wsdl.get_schema_info(pref)

        self.assertEqual(len(schema.types), 1)
        c_cls = interface.classes['{ns}cls']
        c_elt = schema.types[0]
        self.failUnless(c_cls is cls)
        self.assertEqual(c_elt.tag, '{%s}complexType' % ns_xsd)
        self.assertEqual(c_elt.get('name'), 'cls')

        self.assertEqual(len(schema.elements), 1)
        e_elt = schema.elements.values()[0]
        self.assertEqual(e_elt.tag, '{%s}element' % ns_xsd)
        self.assertEqual(e_elt.get('name'), 'cls')
        self.assertEqual(e_elt.get('type'), 'testing:My')
        self.assertEqual(len(e_elt), 0)

def get_schema_documents(models, default_namespace=None):
    '''Returns the schema documents in a dict whose keys are namespace prefixes
    and values are Element objects.

    :param models: A list of spyne.model classes that will be represented in
                   the schema.

    '''

    if default_namespace is None:
        default_namespace = models[0].get_namespace()

    fake_app = FakeApplication()
    fake_app.tns = default_namespace
    fake_app.services = []

    interface = Interface(fake_app)
    for m in models:
        interface.add_class(m)
    interface.populate_interface(fake_app)

    document = XmlSchema(interface)
    document.build_interface_document()

    return document.get_interface_document()

    def __init__(self, services, tns, name=None,
                          in_protocol=None, out_protocol=None, config=None):
        self.services = tuple(services)
        self.tns = tns
        self.name = name
        self.config = config

        if self.name is None:
            self.name = self.__class__.__name__.split('.')[-1]

        self.event_manager = EventManager(self)
        self.error_handler = None

        self.interface = Interface(self)
        self.in_protocol = in_protocol
        self.out_protocol = out_protocol

        if self.in_protocol is None:
            from spyne.protocol import ProtocolBase
            self.in_protocol = ProtocolBase()
        self.in_protocol.set_app(self)
        # FIXME: this normally is another parameter to set_app but it's kept
        # separate for backwards compatibility reasons.
        self.in_protocol.message = self.in_protocol.REQUEST

        if self.out_protocol is None:
            from spyne.protocol import ProtocolBase
            self.out_protocol = ProtocolBase()
        self.out_protocol.set_app(self)
        # FIXME: this normally is another parameter to set_app but it's kept
        # separate for backwards compatibility reasons.
        self.out_protocol.message = self.out_protocol.RESPONSE

        register_application(self)

def get_validation_schema(models, default_namespace=None):
    """Returns the validation schema object for the given models.

    :param models: A list of spyne.model classes that will be represented in
                   the schema.
    """

    if default_namespace is None:
        default_namespace = models[0].get_namespace()

    fake_app = FakeApplication(default_namespace)

    interface = Interface(fake_app)
    for m in models:
        m.resolve_namespace(m, default_namespace)
        interface.add_class(m)

    schema = XmlSchema(interface)
    schema.build_validation_schema()

    return schema.validation_schema

    def test_add_to_schema(self):
        class CM(ComplexModel):
            i = Integer
            s = String
            a = XmlAttribute(String)

        app = FakeApp()
        app.tns = 'tns'
        CM.resolve_namespace(CM, app.tns)
        interface = Interface(app)
        interface.add_class(CM)

        wsdl = Wsdl11(interface)
        wsdl.build_interface_document('http://a-aaaa.com')
        pref = CM.get_namespace_prefix(interface)
        type_def = wsdl.get_schema_info(pref).types[CM.get_type_name()]
        attribute_def = type_def.find('{%s}attribute' % xml_ns.xsd)
        print(etree.tostring(type_def, pretty_print=True))

        self.assertIsNotNone(attribute_def)
        self.assertEqual(attribute_def.get('name'), 'a')
        self.assertEqual(attribute_def.get('type'), CM.a.type.get_type_name_ns(interface))

def get_validation_schema(models, default_namespace=None):
    '''Returns the validation schema object for the given models.

    :param models: A list of spyne.model classes that will be represented in
                   the schema.
    '''

    if default_namespace is None:
        default_namespace = models[0].get_namespace()

    fake_app = FakeApplication()
    fake_app.tns = default_namespace
    fake_app.services = []

    interface = Interface(fake_app)
    for m in models:
        interface.add_class(m)

    schema = XmlSchema(interface)
    schema.build_validation_schema()

    return schema.validation_schema

class Application(object):
    """The Application class is the glue between one or more service
    definitions, input and output protocols.

    :param services:     An iterable of ServiceBase subclasses that defines
                         the exposed services.
    :param tns:          The targetNamespace attribute of the exposed
                         service.
    :param name:         The optional name attribute of the exposed service.
                         The default is the name of the application class
                         which is by default 'Application'.
    :param in_protocol:  A ProtocolBase instance that denotes the input
                         protocol. It's only optional for NullServer transport.
    :param out_protocol: A ProtocolBase instance that denotes the output
                         protocol. It's only optional for NullServer transport.
    :param config:       An arbitrary python object to store random global data.

    Supported events:
        * ``method_call``:
            Called right before the service method is executed

        * ``method_return_object``:
            Called right after the service method is executed

        * ``method_exception_object``:
            Called when an exception occurred in a service method, before the
            exception is serialized.

        * ``method_context_created``:
            Called from the constructor of the MethodContext instance.

        * ``method_context_closed``:
            Called from the ``close()`` function of the MethodContext instance,
            which in turn is called by the transport when the response is fully
            sent to the client (or in the client case, the response is fully
            received from server).
    """

    transport = None

    def __init__(self, services, tns, name=None,
                          in_protocol=None, out_protocol=None, config=None):
        self.services = tuple(services)
        self.tns = tns
        self.name = name
        self.config = config

        if self.name is None:
            self.name = self.__class__.__name__.split('.')[-1]

        self.event_manager = EventManager(self)
        self.error_handler = None

        self.interface = Interface(self)
        self.in_protocol = in_protocol
        self.out_protocol = out_protocol

        if self.in_protocol is None:
            from spyne.protocol import ProtocolBase
            self.in_protocol = ProtocolBase()
        self.in_protocol.set_app(self)
        # FIXME: this normally is another parameter to set_app but it's kept
        # separate for backwards compatibility reasons.
        self.in_protocol.message = self.in_protocol.REQUEST

        if self.out_protocol is None:
            from spyne.protocol import ProtocolBase
            self.out_protocol = ProtocolBase()
        self.out_protocol.set_app(self)
        # FIXME: this normally is another parameter to set_app but it's kept
        # separate for backwards compatibility reasons.
        self.out_protocol.message = self.out_protocol.RESPONSE

        register_application(self)

    def process_request(self, ctx):
        """Takes a MethodContext instance. Returns the response to the request
        as a native python object. If the function throws an exception, it
        returns None and sets the exception object to ctx.out_error.

        Overriding this method would break event management. So this is not
        meant to be overridden unless you know what you're doing.
        """

        try:
            # fire events
            self.event_manager.fire_event('method_call', ctx)
            if ctx.service_class is not None:
                ctx.service_class.event_manager.fire_event('method_call', ctx)

            # in object is always a sequence of incoming values. We need to fix
            # that for bare mode.
            if ctx.descriptor.body_style is BODY_STYLE_BARE:
                ctx.in_object = [ctx.in_object]
            elif ctx.descriptor.body_style is BODY_STYLE_EMPTY:
                ctx.in_object = []

            # call user method
            ctx.out_object = self.call_wrapper(ctx)

#.........这里部分代码省略.........

class Application(object):
    """The Application class is the glue between one or more service
    definitions, input and output protocols.

    :param services:     An iterable of ServiceBase subclasses that defines
                         the exposed services.
    :param tns:          The targetNamespace attribute of the exposed
                         service.
    :param name:         The optional name attribute of the exposed service.
                         The default is the name of the application class
                         which is by default 'Application'.
    :param in_protocol:  A ProtocolBase instance that denotes the input
                         protocol. It's only optional for NullServer transport.
    :param out_protocol: A ProtocolBase instance that denotes the output
                         protocol. It's only optional for NullServer transport.
    :param interface:    Ignored. Kept for backwards-compatibility purposes.

    Supported events:
        * ``method_call``:
            Called right before the service method is executed

        * ``method_return_object``:
            Called right after the service method is executed

        * ``method_exception_object``:
            Called when an exception occurred in a service method, before the
            exception is serialized.

        * ``method_context_created``:
            Called from the constructor of the MethodContext instance.

        * ``method_context_closed``:
            Called from the ``close()`` function of the MethodContext instance,
            which in turn is called by the transport when the response is fully
            sent to the client (or in the client case, the response is fully
            received from server).
    """

    transport = None

    def __init__(self, services, tns, name=None,
                          in_protocol=None, out_protocol=None, interface=None):
        self.services = tuple(services)
        self.tns = tns
        self.name = name

        if self.name is None:
            self.name = self.__class__.__name__.split('.')[-1]

        self.event_manager = EventManager(self)
        self.error_handler = None

        self.interface = Interface(self)
        self.in_protocol = in_protocol
        self.out_protocol = out_protocol

        if self.in_protocol is None:
            from spyne.protocol import ProtocolBase
            self.in_protocol = ProtocolBase()
        self.in_protocol.set_app(self)
        # FIXME: this normally is another parameter to set_app but it's kept
        # separate for backwards compatibility reasons.
        self.in_protocol.message = self.in_protocol.REQUEST

        if self.out_protocol is None:
            from spyne.protocol import ProtocolBase
            self.out_protocol = ProtocolBase()
        self.out_protocol.set_app(self)
        # FIXME: this normally is another parameter to set_app but it's kept
        # separate for backwards compatibility reasons.
        self.out_protocol.message = self.out_protocol.RESPONSE

        register_application(self)

        self.reinitialize()

    def process_request(self, ctx):
        """Takes a MethodContext instance. Returns the response to the request
        as a native python object. If the function throws an exception, it
        returns None and sets the exception object to ctx.out_error.

        Overriding this method would break event management. So this is not
        meant to be overridden unless you know what you're doing.
        """

        try:
            # fire events
            self.event_manager.fire_event('method_call', ctx)
            if ctx.service_class is not None:
                ctx.service_class.event_manager.fire_event('method_call', ctx)

            # call the method
            ctx.out_object = self.call_wrapper(ctx)

            # out object is always an iterable of return values. see
            # MethodContext docstrings for more info
            if ctx.descriptor.body_style is not BODY_STYLE_WRAPPED or \
                                len(ctx.descriptor.out_message._type_info) <= 1:
                # the return value should already be wrapped by a sequence.
                ctx.out_object = [ctx.out_object]
#.........这里部分代码省略.........