How to use create_patch_proxy method in localstack

Best Python code snippet using localstack_python

patch.py

Source:patch.py

...17        if isinstance(cls, type):18            return cls19    # method is a module-level function20    return inspect.getmodule(method)21def create_patch_proxy(target: Callable, new: Callable):22    """23    Creates a proxy that calls `new` but passes as first argument the target.24    """25    @functools.wraps(target)26    def proxy(*args, **kwargs):27        return new(target, *args, **kwargs)28    return proxy29class Patch:30    obj: Any31    name: str32    new: Any33    def __init__(self, obj: Any, name: str, new: Any) -> None:34        super().__init__()35        self.obj = obj36        self.name = name37        self.old = getattr(self.obj, name)38        self.new = new39        self.is_applied = False40    def apply(self):41        setattr(self.obj, self.name, self.new)42        self.is_applied = True43    def undo(self):44        setattr(self.obj, self.name, self.old)45        self.is_applied = False46    def __enter__(self):47        self.apply()48        return self49    def __exit__(self, exc_type, exc_val, exc_tb):50        self.undo()51        return self52    @staticmethod53    def function(target: Callable, fn: Callable, pass_target: bool = True):54        obj = get_defining_object(target)55        name = target.__name__56        is_class_instance = not inspect.isclass(obj) and not inspect.ismodule(obj)57        if is_class_instance:58            # special case: If the defining object is not a class, but a class instance,59            # then we need to bind the patch function to the target object. Also, we need60            # to ensure that the final patched method has the same name as the original61            # method on the defining object (required for restoring objects with patched62            # methods from persistence, to avoid AttributeError).63            fn.__name__ = name64            fn = types.MethodType(fn, obj)65        if pass_target:66            new = create_patch_proxy(target, fn)67        else:68            new = fn69        return Patch(obj, name, new)70class Patches:71    patches: List[Patch]72    def __init__(self, patches: List[Patch] = None) -> None:73        super().__init__()74        self.patches = []75        if patches:76            self.patches.extend(patches)77    def apply(self):78        for p in self.patches:79            p.apply()80    def undo(self):...

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.