Python pyclbr.Function方法代码示例

# 需要导入模块: import pyclbr [as 别名]
# 或者: from pyclbr import Function [as 别名]
def __init__(self, name, classes, file):
        self.name = name
        self.classes = classes
        self.file = file
        try:
            self.cl = self.classes[self.name]
        except (IndexError, KeyError):
            self.cl = None
        self.isfunction = isinstance(self.cl, pyclbr.Function) 

# 需要导入模块: import pyclbr [as 别名]
# 或者: from pyclbr import Function [as 别名]
def monkey_patch():
    """If the CONF.monkey_patch set as True,
    this function patches a decorator
    for all functions in specified modules.
    You can set decorators for each modules
    using CONF.monkey_patch_modules.
    The format is "Module path:Decorator function".

    name - name of the function
    function - object of the function
    """
    # If CONF.monkey_patch is not True, this function do nothing.
    if not CONF.monkey_patch:
        return
    if six.PY2:
        is_method = inspect.ismethod
    else:
        def is_method(obj):
            # Unbound methods became regular functions on Python 3
            return inspect.ismethod(obj) or inspect.isfunction(obj)
    # Get list of modules and decorators
    for module_and_decorator in CONF.monkey_patch_modules:
        module, decorator_name = module_and_decorator.split(':')
        # import decorator function
        decorator = importutils.import_class(decorator_name)
        __import__(module)
        # Retrieve module information using pyclbr
        module_data = pyclbr.readmodule_ex(module)
        for key, value in module_data.items():
            # set the decorator for the class methods
            if isinstance(value, pyclbr.Class):
                clz = importutils.import_class("%s.%s" % (module, key))
                for method, func in inspect.getmembers(clz, is_method):
                    setattr(clz, method,
                            decorator("%s.%s.%s" % (module, key,
                                                    method), func))
            # set the decorator for the function
            if isinstance(value, pyclbr.Function):
                func = importutils.import_class("%s.%s" % (module, key))
                setattr(sys.modules[module], key,
                        decorator("%s.%s" % (module, key), func)) 

# 需要导入模块: import pyclbr [as 别名]
# 或者: from pyclbr import Function [as 别名]
def monkey_patch():
    """Patch decorator.

    If the Flags.monkey_patch set as True,
    this function patches a decorator
    for all functions in specified modules.
    You can set decorators for each modules
    using CONF.monkey_patch_modules.
    The format is "Module path:Decorator function".
    Example: 'manila.api.ec2.cloud:' \
     manila.openstack.common.notifier.api.notify_decorator'

    Parameters of the decorator is as follows.
    (See manila.openstack.common.notifier.api.notify_decorator)

    name - name of the function
    function - object of the function
    """
    # If CONF.monkey_patch is not True, this function do nothing.
    if not CONF.monkey_patch:
        return
    # Get list of modules and decorators
    for module_and_decorator in CONF.monkey_patch_modules:
        module, decorator_name = module_and_decorator.split(':')
        # import decorator function
        decorator = importutils.import_class(decorator_name)
        __import__(module)
        # Retrieve module information using pyclbr
        module_data = pyclbr.readmodule_ex(module)
        for key in module_data.keys():
            # set the decorator for the class methods
            if isinstance(module_data[key], pyclbr.Class):
                clz = importutils.import_class("%s.%s" % (module, key))
                # NOTE(vponomaryov): we need to distinguish class methods types
                # for py2 and py3, because the concept of 'unbound methods' has
                # been removed from the python3.x
                if six.PY3:
                    member_type = inspect.isfunction
                else:
                    member_type = inspect.ismethod
                for method, func in inspect.getmembers(clz, member_type):
                    setattr(
                        clz, method,
                        decorator("%s.%s.%s" % (module, key, method), func))
            # set the decorator for the function
            if isinstance(module_data[key], pyclbr.Function):
                func = importutils.import_class("%s.%s" % (module, key))
                setattr(sys.modules[module], key,
                        decorator("%s.%s" % (module, key), func)) 

# 需要导入模块: import pyclbr [as 别名]
# 或者: from pyclbr import Function [as 别名]
def test_nested(self):
        mb = pyclbr
        # Set arguments for descriptor creation and _creat_tree call.
        m, p, f, t, i = 'test', '', 'test.py', {}, None
        source = dedent("""\
        def f0:
            def f1(a,b,c):
                def f2(a=1, b=2, c=3): pass
                    return f1(a,b,d)
            class c1: pass
        class C0:
            "Test class."
            def F1():
                "Method."
                return 'return'
            class C1():
                class C2:
                    "Class nested within nested class."
                    def F3(): return 1+1

        """)
        actual = mb._create_tree(m, p, f, source, t, i)

        # Create descriptors, linked together, and expected dict.
        f0 = mb.Function(m, 'f0', f, 1)
        f1 = mb._nest_function(f0, 'f1', 2)
        f2 = mb._nest_function(f1, 'f2', 3)
        c1 = mb._nest_class(f0, 'c1', 5)
        C0 = mb.Class(m, 'C0', None, f, 6)
        F1 = mb._nest_function(C0, 'F1', 8)
        C1 = mb._nest_class(C0, 'C1', 11)
        C2 = mb._nest_class(C1, 'C2', 12)
        F3 = mb._nest_function(C2, 'F3', 14)
        expected = {'f0':f0, 'C0':C0}

        def compare(parent1, children1, parent2, children2):
            """Return equality of tree pairs.

            Each parent,children pair define a tree.  The parents are
            assumed equal.  Comparing the children dictionaries as such
            does not work due to comparison by identity and double
            linkage.  We separate comparing string and number attributes
            from comparing the children of input children.
            """
            self.assertEqual(children1.keys(), children2.keys())
            for ob in children1.values():
                self.assertIs(ob.parent, parent1)
            for ob in children2.values():
                self.assertIs(ob.parent, parent2)
            for key in children1.keys():
                o1, o2 = children1[key], children2[key]
                t1 = type(o1), o1.name, o1.file, o1.module, o1.lineno
                t2 = type(o2), o2.name, o2.file, o2.module, o2.lineno
                self.assertEqual(t1, t2)
                if type(o1) is mb.Class:
                    self.assertEqual(o1.methods, o2.methods)
                # Skip superclasses for now as not part of example
                compare(o1, o1.children, o2, o2.children)

        compare(None, actual, None, expected)