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How to use build_assertion_property method in Sure

Best Python code snippet using sure_python

__init__.py

Source:__init__.py

...858            fget=method,859            fset=partial(setter, method),860            fdel=partial(deleter, method),861        )862    def build_assertion_property(name, is_negative, prop=True):863        """Build assertion property864        This is the assertion property which is usually patched865        to the built-in ``object`` and ``NoneType``.866        """867        def method(self):868            # check if the given object already has an attribute with the869            # given name. If yes return it instead of patching it.870            try:871                if name in self.__dict__:872                    return self.__dict__[name]873            except AttributeError:874                # we do not have an object with __dict__, thus875                # it's safe to just continue and patch the `name`.876                pass877            overwritten_object_handler = overwritten_object_handlers.get(878                (id(self), name), None879            )880            if overwritten_object_handler:881                return overwritten_object_handler882            builder = AssertionBuilder(name, negative=is_negative)883            instance = builder(self)884            callable_args = getattr(self, "_callable_args", ())885            if callable_args:886                instance._callable_args = callable_args887            callable_kw = getattr(self, "_callable_kw", {})888            if callable_kw:889                instance._callable_kw = callable_kw890            return instance891        method.__name__ = str(name)892        return make_safe_property(method, name, prop)893    object_handler = patchable_builtin(object)894    # We have to keep track of all objects which895    # should overwrite a ``POSITIVES`` or ``NEGATIVES``896    # property. If we wouldn't do that in the897    # make_safe_property.setter method we would loose898    # the newly assigned object reference.899    overwritten_object_handlers = {}900    # None does not have a tp_dict associated to its PyObject, so this901    # is the only way we could make it work like we expected.902    none = patchable_builtin(None.__class__)903    for name in POSITIVES:904        object_handler[name] = build_assertion_property(name, is_negative=False)905        none[name] = build_assertion_property(name, is_negative=False, prop=False)906    for name in NEGATIVES:907        object_handler[name] = build_assertion_property(name, is_negative=True)908        none[name] = build_assertion_property(name, is_negative=True, prop=False)909old_dir = dir910def enable():911    @wraps(builtins.dir)912    def _new_dir(*obj):913        if not obj:914            frame = inspect.currentframe()915            return sorted(frame.f_back.f_locals.keys())916        if len(obj) > 1:917            raise TypeError(918                "dir expected at most 1 arguments, got {0}".format(len(obj))919            )920        patched = []921        try:922            import pytest...

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