Python xml.get_object_as_xml函数代码示例

    def test_serialize(self):
        from spyne.util.xml import get_object_as_xml
        from lxml import etree

        class C(ComplexModel):
            __namespace__ = "tns"
            i = Integer
            s = Unicode

        c = C(i=5, s="x")

        ret = get_object_as_xml(c, C)
        print etree.tostring(ret)
        assert ret.tag == "{tns}C"

        ret = get_object_as_xml(c, C, "X")
        print etree.tostring(ret)
        assert ret.tag == "{tns}X"

        ret = get_object_as_xml(c, C, "X", no_namespace=True)
        print etree.tostring(ret)
        assert ret.tag == "X"

        ret = get_object_as_xml(c, C, no_namespace=True)
        print etree.tostring(ret)
        assert ret.tag == "C"

 def test_file(self):
     v = b"aaaa"
     f = BytesIO(v)
     elt = get_object_as_xml(File.Value(handle=f), File, "B")
     eltstr = etree.tostring(elt)
     print(eltstr)
     assert elt.text == b64encode(v).decode("ascii")

    def test_sub_attributes(self):
        from lxml import etree
        from spyne.util.xml import get_xml_as_object
        from spyne.util.xml import get_object_as_xml

        m = {
            "s0": "aa",
            "s2": "cc",
            "s3": "dd",
        }
        class C(ComplexModel):
            __namespace__ = "aa"
            a = XmlAttribute(Integer)
            b = XmlAttribute(Integer(sub_name="bb"))
            c = XmlAttribute(Integer(sub_ns="cc"))
            d = XmlAttribute(Integer(sub_ns="dd", sub_name="dd"))

        elt = get_object_as_xml(C(a=1, b=2, c=3, d=4), C)
        print(etree.tostring(elt, pretty_print=True))

        assert elt.xpath("//*/@a")  == ["1"]
        assert elt.xpath("//*/@bb") == ["2"]
        assert elt.xpath("//*/@s2:c", namespaces=m)  == ["3"]
        assert elt.xpath("//*/@s3:dd", namespaces=m) == ["4"]

        c = get_xml_as_object(elt, C)
        print(c)
        assert c.a == 1
        assert c.b == 2
        assert c.c == 3
        assert c.d == 4

    def test_any_xml_bytes(self):
        v = b"<roots><bloody/></roots>"

        elt = get_object_as_xml(v, AnyXml, 'B', no_namespace=True)
        eltstr = etree.tostring(elt)
        print(eltstr)
        assert etree.tostring(elt[0]) == v

    def test_subs(self):
        from lxml import etree
        from spyne.util.xml import get_xml_as_object
        from spyne.util.xml import get_object_as_xml

        m = {
            "s0": "aa",
            "s2": "cc",
            "s3": "dd",
        }
        class C(ComplexModel):
            __namespace__ = "aa"
            a = Integer
            b = Integer(sub_name="bb")
            c = Integer(sub_ns="cc")
            d = Integer(sub_ns="dd", sub_name="dd")

        elt = get_object_as_xml(C(a=1, b=2, c=3, d=4), C)
        print etree.tostring(elt, pretty_print=True)

        assert elt.xpath("s0:a/text()",  namespaces=m) == ["1"]
        assert elt.xpath("s0:bb/text()", namespaces=m) == ["2"]
        assert elt.xpath("s2:c/text()",  namespaces=m) == ["3"]
        assert elt.xpath("s3:dd/text()", namespaces=m) == ["4"]

        c = get_xml_as_object(elt, C)
        print c
        assert c.a == 1
        assert c.b == 2
        assert c.c == 3
        assert c.d == 4

    def test_null_mandatory_attribute(self):
        class Action (ComplexModel):
            data = XmlAttribute(M(Unicode))

        elt = get_object_as_xml(Action(), Action)
        eltstr = etree.tostring(elt)
        print(eltstr)
        assert eltstr == b'<Action/>'

    def test_deserialize(self):
        class Punk(ComplexModel):
            __namespace__ = 'some_namespace'

            a = Unicode
            b = Integer
            c = Decimal
            d = DateTime

        class Foo(ComplexModel):
            __namespace__ = 'some_other_namespace'

            a = Unicode
            b = Integer
            c = Decimal
            d = DateTime
            e = XmlAttribute(Integer)

            def __eq__(self, other):
                # remember that this is a test object
                assert (
                    self.a == other.a and
                    self.b == other.b and
                    self.c == other.c and
                    self.d == other.d and
                    self.e == other.e
                )

                return True

        docs = get_schema_documents([Punk, Foo])
        pprint(docs)
        assert docs['s0'].tag == '{http://www.w3.org/2001/XMLSchema}schema'
        assert docs['tns'].tag == '{http://www.w3.org/2001/XMLSchema}schema'
        print()

        print("the other namespace %r:" % docs['tns'].attrib['targetNamespace'])
        assert docs['tns'].attrib['targetNamespace'] == 'some_namespace'
        print(etree.tostring(docs['tns'], pretty_print=True))
        print()

        print("the other namespace %r:" % docs['s0'].attrib['targetNamespace'])
        assert docs['s0'].attrib['targetNamespace'] == 'some_other_namespace'
        print(etree.tostring(docs['s0'], pretty_print=True))
        print()

        foo = Foo(a=u'a', b=1, c=decimal.Decimal('3.4'),
                                    d=datetime(2011,02,20,tzinfo=pytz.utc), e=5)
        doc = get_object_as_xml(foo, Foo)
        print(etree.tostring(doc, pretty_print=True))
        foo_back = get_xml_as_object(doc, Foo)

        assert foo_back == foo

        # as long as it doesn't fail, it's ok.
        get_validation_schema([Punk, Foo])

    def test_bare_sub_name_ns(self):
        class Action (ComplexModel):
            class Attributes(ComplexModel.Attributes):
                sub_ns = "SOME_NS"
                sub_name = "Action"
            data = XmlData(Unicode)
            must_understand = XmlAttribute(Unicode)

        elt = get_object_as_xml(Action("x", must_understand="y"), Action)
        eltstr = etree.tostring(elt)
        print(eltstr)
        assert eltstr == b'<ns0:Action xmlns:ns0="SOME_NS" must_understand="y">x</ns0:Action>'

 def process(value):
     if value is not None:
         return etree.tostring(get_object_as_xml(value, self.cls,
             self.root_tag_name, self.no_namespace), encoding='utf8',
                   pretty_print=self.pretty_print, xml_declaration=False)

 def test_fault_detail_as_dict(self):
     elt = get_object_as_xml(Fault(detail={"this": "that"}), Fault)
     eltstr = etree.tostring(elt)
     print(eltstr)
     assert b'<detail><this>that</this></detail>' in eltstr

def complex_add(document, cls, tags):
    complex_type = etree.Element("{%s}complexType" % _ns_xsd)
    complex_type.set('name', cls.get_type_name())

    if cls.Annotations.doc != '' or cls.Annotations.appinfo != None or \
                                             cls.Annotations.__use_parent_doc__:
        annotation = etree.SubElement(complex_type, "{%s}annotation" % _ns_xsd)
        if cls.Annotations.doc != '' or cls.Annotations.__use_parent_doc__:
            doc = etree.SubElement(annotation, "{%s}documentation" % _ns_xsd)
            if cls.Annotations.__use_parent_doc__:
                doc.text = getattr(cls, '__doc__')
            else:
                doc.text = cls.Annotations.doc

        _ai = cls.Annotations.appinfo;
        if _ai != None:
            appinfo = etree.SubElement(annotation, "{%s}appinfo" % _ns_xsd)
            if isinstance(_ai, dict):
                dict_to_etree(_ai, appinfo)

            elif isinstance(_ai, str) or isinstance(_ai, unicode):
                appinfo.text = _ai

            elif isinstance(_ai, etree._Element):
                appinfo.append(_ai)

            else:
                from spyne.util.xml import get_object_as_xml

                appinfo.append(get_object_as_xml(_ai))

    sequence_parent = complex_type
    extends = getattr(cls, '__extends__', None)

    type_info = cls._type_info
    if extends is not None:
        if (extends.get_type_name() == cls.get_type_name() and
                               extends.get_namespace() == cls.get_namespace()):
            raise Exception("%r can't extend %r because they are both '{%s}%s'"
                    % (cls, extends, cls.get_namespace(), cls.get_type_name()))

        if extends.Attributes.exc_interface:
            # If the parent class is private, it won't be in the schema, so we
            # need to act as if its attributes are part of cls as well.
            type_info = cls.get_simple_type_info(cls)

        else:
            complex_content = etree.SubElement(complex_type,
                                                "{%s}complexContent" % _ns_xsd)
            extension = etree.SubElement(complex_content,
                                                     "{%s}extension" % _ns_xsd)
            extension.set('base', extends.get_type_name_ns(document.interface))
            sequence_parent = extension

    sequence = etree.Element('{%s}sequence' % _ns_xsd)

    deferred = deque()
    choice_tags = defaultdict(lambda: etree.Element('{%s}choice' % _ns_xsd))
    for k, v in type_info.items():
        a = v.Attributes
        if a.exc_interface:
            continue

        if issubclass(v, XmlAttribute):
            deferred.append((k,v))
            continue

        document.add(v, tags)

        name = a.sub_name
        ns = a.sub_ns
        if name is None:
            name = k
        if ns is not None:
            name = "{%s}%s" % (ns, name)

        member = etree.Element(a.schema_tag)
        if a.schema_tag == '{%s}element' % _ns_xsd:
            member.set('name', name)
            member.set('type', v.get_type_name_ns(document.interface))

        elif a.schema_tag == '{%s}any' % _ns_xsd and \
                                                    (issubclass(v, AnyXml)):
            if a.namespace is not None:
                member.set('namespace', a.namespace)
            if a.process_contents is not None:
                member.set('processContents', a.process_contents)

        else:
            raise ValueError("Unhandled schema_tag / type combination. %r %r"
                    % (v, a.schema_tag))

        if a.min_occurs != 1: # 1 is the xml schema default
            member.set('minOccurs', str(a.min_occurs))

        if a.max_occurs != 1: # 1 is the xml schema default
            val = a.max_occurs
            if val in (decimal.Decimal('inf'), float('inf')):
                val = 'unbounded'
            else:
#.........这里部分代码省略.........

    i = Integer
    s = Unicode
    d = DateTime
    __repr__ = hier_repr

# Instantiate the object
instance = SomeObject(i=5, s="str", d=datetime.now())

# Generate schema documents
schema_elts = get_schema_documents([SomeObject], 'some_ns')

# Serialize the xml schema document for object
schema = etree.tostring(schema_elts['tns'],  pretty_print=True)

# Serialize the object to XML
instance_elt = get_object_as_xml(instance, SomeObject)

# Serialize the element tree to string
data = etree.tostring(instance_elt, pretty_print=True)

print(instance)
print()
print(schema)
print(data)

# parse the schema document
parsed_schema = parse_schema_string(schema)['some_ns']

# Get SomeObject definition from the parsed schema document
NewObject = parsed_schema.types['SomeObject']

    __namespace__ = 'some_other_namespace'

    a = String
    b = Integer
    c = Decimal
    d = DateTime
    e = XmlAttribute(Integer)


docs = get_schema_documents([Punk, Foo])
pprint(docs)
print()

# the default ns prefix is always tns
print("the default namespace %r:" % docs['tns'].attrib['targetNamespace'])
print(etree.tostring(docs['tns'], pretty_print=True))
print()

# Namespace prefixes are assigned like s0, s1, s2, etc...
print("the other namespace %r:" % docs['s0'].attrib['targetNamespace'])
print(etree.tostring(docs['s0'], pretty_print=True))


foo = Foo(a='a', b=1, c=3.4, d=datetime(2011,02,20),e=5)
doc = get_object_as_xml(foo)
print(etree.tostring(doc, pretty_print=True))
print(get_xml_as_object(Foo, doc))

# See http://lxml.de/validation.html to see what this could be used for.
print(get_validation_schema([Punk, Foo]))

 def test_bytearray(self):
     v = b"aaaa"
     elt = get_object_as_xml([v], ByteArray, "B")
     eltstr = etree.tostring(elt)
     print(eltstr)
     assert elt.text == b64encode(v).decode("ascii")

# the default ns prefix is always tns
print("the default namespace %r:" % docs['tns'].attrib['targetNamespace'])
print(etree.tostring(docs['tns'], pretty_print=True))
print()

# Namespace prefixes are assigned like s0, s1, s2, etc...
print("the other namespace %r:" % docs['s0'].attrib['targetNamespace'])
print(etree.tostring(docs['s0'], pretty_print=True))
print()

print("the other namespace %r:" % docs['s2'].attrib['targetNamespace'])
print(etree.tostring(docs['s2'], pretty_print=True))
print()

# Object serialization and deserialization
foo = Foo(a='a', b=1, c=3.4, d=datetime(2011, 02, 20), e=5, f='f')
doc = get_object_as_xml(foo, Foo)
print(etree.tostring(doc, pretty_print=True))
print(get_xml_as_object(doc, Foo))
print()

# XmlData example.
print("Product output (illustrates XmlData):")
product = Product(id=uuid.uuid4(), edition=ProductEdition(id=uuid.uuid4(),
                                                             name='My edition'))
print(etree.tostring(get_object_as_xml(product, Product), pretty_print=True))

# See http://lxml.de/validation.html to see what this could be used for.
print(get_validation_schema([Punk, Foo]))