WebovaSluzba-WebovaSluza.py

import json
from urllib.parse import urlencode
from urllib.request import urlopen


class WebovaMetoda:
    def __init__(self,url,params):
        self._url = url
        self._params = params

    #na to aby bol object callable musi mat metodu call
    def __call__(self, *args,**kwargs):
        if len(args)+len(kwargs) != len(self._params):
            raise TypeError("nespravny pocet parametrov")

        parametre = dict(zip(self._params, args))

        if set(parametre) & set(kwargs):
            raise TypeError("Dva krat specifikujes ten isty parameter")

        if set(kwargs) - set(self._params):
            raise TypeError("Neznamy parameter")

        parametre.update(kwargs)
        url =self._url + '?' + urlencode(parametre)
        with urlopen(url) as data:
            return json.load(data)


class WebovaSluzba:

    def __init__(self,url):
        self.url = url
        with urlopen(url) as dokument:
            popis = (json.load(dokument)) #zoznam v ktorm je dictionary

            for metoda in popis:
                 setattr(self,metoda['name'], WebovaMetoda(metoda['url'],metoda['params']))           #vyhladavanie v dictionary cez  []