import abc import hashlib import requests import shutil import time import textwrap import sys class Authorization: def __init__(self, filename): with open(filename, "r") as file: lines = file.readlines() if len(lines) != 2: sys.exit("Incorrect api-keys file") self.public_key = lines[0].strip() self.private_key = lines[1].strip() def generate_params(self): params = dict() params["apikey"] = self.public_key ts = str(time.time()) to_hash = ts + self.private_key + self.public_key hasher = hashlib.md5() hasher.update(to_hash.encode()) digest = hasher.hexdigest() params["ts"] = ts params["hash"] = digest return params class Client(): base_url = "http://gateway.marvel.com/v1/public" def __init__(self, auth): self.auth = auth def make_request(self, query): params = self.auth.generate_params() params.update(query.params()) url = Client.base_url + query.path response = requests.get(url, params=params) status_code = response.status_code if status_code != 200: sys.exit("got status: " + str(status_code)) body = response.json() result = query.extract(body) return (query.to_text(result), body["attributionText"]) class Query(metaclass=abc.ABCMeta): @abc.abstractmethod def params(self): pass @abc.abstractmethod def path(self): pass @abc.abstractmethod def extract(self, body): pass def to_text(self, result): return result class CharacterDescription(Query): path = "/characters" def __init__(self, name): self.name = name def params(self): return { "name": self.name } def extract(self, body): return body["data"]["results"][0]["description"] class CreatorNumberOfSeries(Query): path = "/creators" def __init__(self, first_name, last_name): self.first_name = first_name self.last_name = last_name def params(self): return { "firstName": self.first_name, "lastName": self.last_name } def extract(self, body): return body["data"]["results"][0]["series"]["available"] def to_text(self, result): return f"{self.first_name} {self.last_name} worked on {result} series" class Display: def __init__(self, width=80): self.width = width def display(self, text): print("\n".join(textwrap.wrap(text, width=self.width))) def main(): query_type = sys.argv[1] if query_type == "character-description": name = sys.argv[2] query = CharacterDescription(name) elif query_type == "creator-number-of-series": first_name = sys.argv[2] last_name = sys.argv[3] query = CreatorNumberOfSeries(first_name, last_name) auth = Authorization("api-keys.txt") client = Client(auth) text, attribution = client.make_request(query) terminal_size = shutil.get_terminal_size() columns = terminal_size.columns terminal = Display(width=columns) terminal.display(text) terminal.display("---") terminal.display(attribution) if __name__ == "__main__": main()