Пример #1
0
    def check_etree(self):
        # holy hack batman
        import inspect

        mod = inspect.stack()[1][0].f_locals['testMethod'].__name__[5:]
        mod = mod.replace('_', '.')

        try:
            etree = util.get_module(mod)
        except ImportError:
            self.skipTest('%r is not available' % (mod, ))

        element = etree.fromstring(self.xml)
        xml = etree.tostring(element)

        old = pyamf.set_default_etree(etree)

        if old:
            self.addCleanup(lambda x: pyamf.set_default_etree(x), old)

        bytes = pyamf.encode(element, encoding=pyamf.AMF0).getvalue()
        self.check_amf0(bytes, xml)

        new_element = pyamf.decode(bytes, encoding=pyamf.AMF0).next()
        self.assertIdentical(type(element), type(new_element))

        bytes = pyamf.encode(element, encoding=pyamf.AMF3).getvalue()
        self.check_amf3(bytes, xml)

        new_element = pyamf.decode(bytes, encoding=pyamf.AMF3).next()
        self.assertIdentical(type(element), type(new_element))
Пример #2
0
def find_libs():
    """
    Run through L{ETREE_MODULES} and find C{ElementTree} implementations so
    that any type can be encoded.

    We work through the C implementations first, then the pure Python versions.
    The downside to this is that B{all} libraries will be imported but I{only}
    one is ever used. The libs are small (relatively) and the flexibility that
    this gives seems to outweigh the cost. Time will tell.
    """
    from pyamf.util import get_module

    types = []
    mapping = {}

    for mod in ETREE_MODULES:
        try:
            etree = get_module(mod)
        except ImportError:
            continue

        try:
            t = _get_etree_type(etree)
        except TypeError:
            continue

        types.append(t)
        mapping[t] = etree

    return tuple(types), mapping
Пример #3
0
def find_libs():
    """
    Run through L{ETREE_MODULES} and find C{ElementTree} implementations so
    that any type can be encoded.

    We work through the C implementations first, then the pure Python versions.
    The downside to this is that B{all} libraries will be imported but I{only}
    one is ever used. The libs are small (relatively) and the flexibility that
    this gives seems to outweigh the cost. Time will tell.
    """
    from pyamf.util import get_module

    types = []
    mapping = {}

    for mod in ETREE_MODULES:
        try:
            etree = get_module(mod)
        except ImportError:
            continue

        try:
            t = _get_etree_type(etree)
        except TypeError:
            continue

        types.append(t)
        mapping[t] = etree

    return tuple(types), mapping
Пример #4
0
    def check_etree(self):
        # holy hack batman
        import inspect

        mod = inspect.stack()[1][0].f_locals['testMethod'].__name__[5:]
        mod = mod.replace('_', '.')

        try:
            etree = util.get_module(mod)
        except ImportError:
            self.skipTest('%r is not available' % (mod,))

        element = etree.fromstring(self.xml)
        xml = etree.tostring(element)

        old = pyamf.set_default_etree(etree)

        if old:
            self.addCleanup(lambda x: pyamf.set_default_etree(x), old)

        bytes = pyamf.encode(element, encoding=pyamf.AMF0).getvalue()
        self.check_amf0(bytes, xml)

        new_element = pyamf.decode(bytes, encoding=pyamf.AMF0).next()
        self.assertIdentical(type(element), type(new_element))

        bytes = pyamf.encode(element, encoding=pyamf.AMF3).getvalue()
        self.check_amf3(bytes, xml)

        new_element = pyamf.decode(bytes, encoding=pyamf.AMF3).next()
        self.assertIdentical(type(element), type(new_element))
Пример #5
0
    def setUp(self):
        try:
            self.etree = util.get_module(self.mod)
        except ImportError:
            self.skipTest('%r is not available' % (self.mod,))

        previous_etree = pyamf.set_default_etree(self.etree)

        if previous_etree:
            self.addCleanup(lambda: pyamf.set_default_etree(previous_etree))
Пример #6
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    def setUp(self):
        try:
            self.etree = util.get_module(self.mod)
        except ImportError:
            self.skipTest('%r is not available' % (self.mod, ))

        previous_etree = pyamf.set_default_etree(self.etree)

        if previous_etree:
            self.addCleanup(lambda: pyamf.set_default_etree(previous_etree))
Пример #7
0
def load_class(alias):
    """
    Finds the class registered to the alias.

    The search is done in order:
      1. Checks if the class name has been registered via L{register_class}
         or L{register_package}.
      2. Checks all functions registered via L{register_class_loader}.
      3. Attempts to load the class via standard module loading techniques.

    @param alias: The class name.
    @type alias: C{string}
    @raise UnknownClassAlias: The C{alias} was not found.
    @raise TypeError: Expecting class type or L{ClassAlias} from loader.
    @return: Class registered to the alias.
    @rtype: C{classobj}
    """
    # Try the CLASS_CACHE first
    try:
        return CLASS_CACHE[alias]
    except KeyError:
        pass

    for loader in CLASS_LOADERS:
        klass = loader(alias)

        if klass is None:
            continue

        if isinstance(klass, python.class_types):
            return register_class(klass, alias)
        elif isinstance(klass, ClassAlias):
            CLASS_CACHE[klass.alias] = klass
            CLASS_CACHE[klass.klass] = klass

            return klass

        raise TypeError("Expecting class object or ClassAlias from loader")

    mod_class = alias.split(".")

    if mod_class:
        module = ".".join(mod_class[:-1])
        klass = mod_class[-1]

        try:
            module = util.get_module(module)
        except (ImportError, AttributeError):
            pass
        else:
            klass = getattr(module, klass)

            if isinstance(klass, python.class_types):
                return register_class(klass, alias)
            elif isinstance(klass, ClassAlias):
                CLASS_CACHE[klass.alias] = klass
                CLASS_CACHE[klass.klass] = klass

                return klass.klass
            else:
                raise TypeError("Expecting class type or ClassAlias from loader")

    # All available methods for finding the class have been exhausted
    raise UnknownClassAlias("Unknown alias for %r" % (alias,))
Пример #8
0
def load_class(alias):
    """
    Finds the class registered to the alias.

    The search is done in order:
      1. Checks if the class name has been registered via L{register_class}
         or L{register_package}.
      2. Checks all functions registered via L{register_class_loader}.
      3. Attempts to load the class via standard module loading techniques.

    @param alias: The class name.
    @type alias: C{string}
    @raise UnknownClassAlias: The C{alias} was not found.
    @raise TypeError: Expecting class type or L{ClassAlias} from loader.
    @return: Class registered to the alias.
    @rtype: C{classobj}
    """
    # Try the CLASS_CACHE first
    try:
        return CLASS_CACHE[alias]
    except KeyError:
        pass

    for loader in CLASS_LOADERS:
        klass = loader(alias)

        if klass is None:
            continue

        if isinstance(klass, python.class_types):
            return register_class(klass, alias)
        elif isinstance(klass, ClassAlias):
            CLASS_CACHE[klass.alias] = klass
            CLASS_CACHE[klass.klass] = klass

            return klass

        raise TypeError("Expecting class object or ClassAlias from loader")

    mod_class = alias.split('.')

    if mod_class:
        module = '.'.join(mod_class[:-1])
        klass = mod_class[-1]

        try:
            module = util.get_module(module)
        except (ImportError, AttributeError):
            pass
        else:
            klass = getattr(module, klass)

            if isinstance(klass, python.class_types):
                return register_class(klass, alias)
            elif isinstance(klass, ClassAlias):
                CLASS_CACHE[klass.alias] = klass
                CLASS_CACHE[klass.klass] = klass

                return klass.klass
            else:
                raise TypeError(
                    "Expecting class type or ClassAlias from loader")

    # All available methods for finding the class have been exhausted
    raise UnknownClassAlias("Unknown alias for %r" % (alias, ))