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fftcgtool/fftcg/carddb.py
2021-09-03 07:11:46 +02:00

93 lines
2.7 KiB
Python

from __future__ import annotations
import json
import pickle
import zipfile
from .card import Card
from .cards import Cards
from .code import Code
from .language import API_LANGS
from .utils import CARDDB_FILE_NAME
class CardDB:
__instance: CardDB = None
__cards: dict[Code, Card]
__face_to_url: dict[str, str]
__DB_FILE_NAME = "cards.pickle"
__MAPPING_FILE_NAME = "face_to_url.json"
def __new__(cls) -> CardDB:
if CardDB.__instance is None:
CardDB.__instance = object.__new__(cls)
CardDB.__instance.__cards = {}
CardDB.__instance.__face_to_url = {}
return CardDB.__instance
def __contains__(self, item: Code) -> bool:
return item in self.__cards
def __getitem__(self, code: Code) -> Card:
return self.__cards[code]
def get_face_url(self, face: str) -> str:
if face in self.__face_to_url:
return self.__face_to_url[face]
else:
return face
def __pickle(self) -> None:
with zipfile.ZipFile(CARDDB_FILE_NAME, "w", compression=zipfile.ZIP_LZMA) as zip_file:
# cards db
with zip_file.open(CardDB.__DB_FILE_NAME, "w") as file:
pickle.dump(self.__cards, file)
# face_to_url mapping
with zip_file.open(CardDB.__MAPPING_FILE_NAME, "w") as file:
file.write(json.dumps(self.__face_to_url, indent=2).encode("utf-8"))
def __unpickle(self) -> None:
# unpickle db file
self.__cards.clear()
self.__face_to_url.clear()
try:
with zipfile.ZipFile(CARDDB_FILE_NAME, "r") as zip_file:
# cards db
with zip_file.open(CardDB.__DB_FILE_NAME, "r") as file:
self.__cards |= pickle.load(file)
# face_to_url mapping
with zip_file.open(CardDB.__MAPPING_FILE_NAME, "r") as file:
self.__face_to_url |= json.load(file)
except FileNotFoundError:
pass
def load(self) -> None:
self.__unpickle()
def update(self, cards: Cards) -> None:
for card in cards:
self.__cards[card.code] = card
self.__pickle()
def upload_prompt(self) -> None:
faces = list(set([
card[lang].face
for card in self.__cards.values()
for lang in API_LANGS
if card[lang].face
]))
faces.sort()
for face in faces:
if face not in self.__face_to_url:
face_url = input(f"Upload '{face}' and paste URL: ")
if face_url:
self.__face_to_url[face] = face_url
self.__pickle()