The ZOO of configs

zoos.py

# ----------- File zoos_config_builder.py -----------------

from functools import partial

class ZOOsConfigBuilder:

    ...

    def get_config(self):
        return {
            "paris": {
                "is_open_to_public": True,
                "get_config": self:_build_paris_config(["girrafe", "lion", "ape"]),
            },
            "vienna": {
                "is_open_to_public": True,
                "get_config": self._build_vienna_config(["elephant", "tucan"]),
            },
            ....
        }

    def _build_paris_config(animal_types):
        def _get_config(owner, zoo_size):
            animals = create_animals(animal_types):
            return {
                "owner": owner,
                "zoo_size": zoo_size,
                "animals": animals,
                "most_popular_animal": "giraffe",
            }
        
        return _get_config

    def _build_vienna_config(animal_types):
        def _get_config(owner, zoo_size):
            animals = create_animals(animal_types + ["pelican"]):
            return {
                "owner": owner,
                "zoo_size": zoo_size,
                "animals": animals,
                "free_entrance_day": "friday",
            }
        
        return _get_config


# ---------- city.py ----------------------

class City:

    def __init__(self, name):
        self.name = "vienna"
    
    ...

    def create_zoo(self, owner):
        zoo_configs = ZOOsConfigBuilder().get_config()
        
        config = zoo_configs.get(self.name)
        if not config or not config.get("is_open_to_public"):
            return None

        return Zoo(config["get_config"](owner, 130))

# ---------- zoo.py ----------------------

class Zoo:

    def __init__(zoo_config):
        self.owner_name = zoo_config["owner"]
        ...