ICC 23-24 Série 8

s08-correction.py

from dataclasses import dataclass
from typing import List

@dataclass
class Song:
    title: str
    duration: int

    def pretty_print(self):
        minutes:int = self.duration // 60
        seconds: int = self.duration % 60
        # On note l'utilisation d'un opérateur dit "ternaire"
        # Voici comment il se lit :
        # variable = {valeur si condition vrai} if condition else {valeur si condition fausse}
        str_min: str = str(minutes) if minutes > 0 else "0" + str(minutes)
        str_sec: str = str(seconds) if seconds > 9 else "0" + str(seconds)
        print(f"{self.title} ({str_min}:{str_sec})")


@dataclass
class Album:
    title: str
    artist: str
    year_released: int
    tracks: List[Song]

    def pretty_print(self):
        print(f"Titre de l'album: {self.title}")
        print(f"Artiste: {self.artist}")
        print(f"Année de sortie: {self.year_released}")
        for track_number, track in enumerate(self.tracks):
            print(f"{track_number+1}. ", end="")
            track.pretty_print()


songs: List[Song] = []
with open('songs.csv', 'r',encoding='utf-8') as file:
    tracks = file.readlines()
    for track in tracks:
        title, duration = track.split(",")
        songs.append(Song(title=title, duration=int(duration)))
for song in songs:
    song.pretty_print()
wish_you_were_here: Album = Album(title="Wish You Were Here", artist="Pink Floyd", year_released=1975, tracks=songs)
wish_you_were_here.pretty_print()

songs.csv