1import itertools
 2import re
 3
 4
 5class ModuleProxy:
 6    def __init__(self, module):
 7        self.module = module
 8
 9    @staticmethod
10    def name_is_valid(obj):
11        return re.match(r"[A-Z]\w*", obj.__name__)
12
13    @staticmethod
14    def quest_is_valid(obj):
15        params = re.search(r"(\s*Parameters\n\s*-{10}\n)((.|\n)*?(\n\n|$))", getattr(obj, "__doc__") or "")
16        if params:
17            matches = re.findall(r"(\w+) : (.+)", params.group(2))
18            names = [name for name, _ in matches]
19            type_options = [
20                [ModuleProxy.generate_obj_for_type(t) for t in types_str.split(" | ")] for _, types_str in matches
21            ]
22            params = [dict(zip(names, combo, strict=True)) for combo in itertools.product(*type_options)]
23        else:
24            params = [{}]
25        try:
26            for param_option in params:
27                obj(*param_option.values())
28                obj(**param_option)
29        except Exception:
30            return False
31        return True
32
33    @staticmethod
34    def answer_3rd_is_valid(obj):
35        return any(
36            re.match(r"^\w*[A-Z][^a-z]*$", attr)
37            and not re.search(r"[aeiou]{4,}", attr, flags=re.I)
38            and not re.match(r"^__.*__$", attr)
39            for attr in obj.__dict__
40        )
41
42    @staticmethod
43    def generate_obj_for_type(obj_type_str):
44        if dict_match := re.search(r"dict\[(\w+), (\w+)\]", obj_type_str):
45            return dict([[eval(elem_type)() for elem_type in dict_match.groups()]])
46        if collection_match := re.search(r"(\w+)\[(\w+)]", obj_type_str):
47            return eval(collection_match.group(1))([eval(collection_match.group(2))()])
48        return eval(obj_type_str)()
49
50    def __getattribute__(self, name):
51        obj = getattr(super().__getattribute__("module"), name)
52        if (
53            super().__getattribute__("name_is_valid")(obj)
54            and super().__getattribute__("quest_is_valid")(obj)
55            and super().__getattribute__("answer_3rd_is_valid")(obj)
56        ):
57            return obj
58        raise AttributeError("You go to the Gorge of Eternal Peril!")
59
60
61class BridgeKeeper:
62    def __init__(self, module_name):
63        self.module_name = module_name
64
65    def __enter__(self):
66        module = __import__(self.module_name)
67        return ModuleProxy(module)
68
69    def __exit__(self, exc_type, exc_val, exc_tb):
70        pass