Semaine 4, jour 3, soir
This commit is contained in:
gauvainboiche
22
Semaine_04/Bibliotheque/books.json
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22
Semaine_04/Bibliotheque/books.json
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[
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{
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"Title": "LSDA",
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"Author": "Tolkien"
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},
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{
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"Title": "1984",
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"Author": "Orwell"
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},
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{
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"Title": "Pens\u00e9es pour moi-m\u00eame",
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"Author": "Marc Aur\u00e8le"
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},
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{
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"Title": "La voie des rois",
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"Author": "Brendan Sanderson"
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},
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{
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"Title": "Justici\u00e8re",
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"Author": "Brendan Sanderson"
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}
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]
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92
Semaine_04/Bibliotheque/classes.py
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Semaine_04/Bibliotheque/classes.py
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import json
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class Book:
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def __init__(self, title: str, author: str):
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self.title = title
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self.author = author
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def __repr__(self):
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return f"{self.title} de {self.author}"
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def __eq__(self, other: "Book"):
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"""Pour comparer un objet de classe à un autre au lieu de l'ID par défaut"""
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return self.title == other.title and self.author == other.author
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def __gt__(self, other: "Book"):
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return self.title > other.title
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def __lt__(self, other: "Book"):
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return self.title.lower() < other.title.lower()
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def serialized(self):
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"""Converti la classe en dictionnaire JSONable"""
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return {"Title": self.title, "Author": self.author}
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@classmethod
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def deserialized(cls, dictionnary):
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"""Lis un JSON pour le retranscrire en classe Book"""
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return cls(title= dictionnary["Title"], author= dictionnary["Author"])
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class Library:
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"""Gère un contenu de livres"""
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def __init__(self, name: str):
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self.name = name
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self.books = self.load()
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def add_new_book(self, book: Book):
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"""Ajoute un nouveau livre"""
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if book in self.books:
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return f"{book.title.capitalize()} y est déjà."
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self.books.append(book)
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self.save()
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return f"{book.title.capitalize()} a été ajouté."
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def take_out_book(self, book_name: str):
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"""Retire un livre déjà présent"""
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for book in self.books:
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if book.title.lower() == book_name.lower():
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self.books.remove(book)
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self.save()
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return f"{book.title.capitalize()} a été retiré."
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return f"{book.title.capitalize()} n'y est pas."
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def list_books_in_list(self):
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"""Liste les livres présents"""
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return self.books
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def sort_books_by_name(self):
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"""Tri les livres par ordre alphabétique"""
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self.books.sort()
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def display_number_of_books(self) -> int:
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"""Donne le nombre de livres présents"""
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return len(self.books)
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def search_book_by_word(self, word: str):
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"""Cherche un livre par mot de départ"""
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results = []
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for book in self.books:
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if word.lower() in book.title.lower():
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results.append(book)
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return results if len(results) > 0 else "Pas de résultat."
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def search_book_by_letter(self, letter: str):
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"""Cherche un livre par lettre de départ"""
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results = []
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for book in self.books:
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if book.title.lower().startswith(letter):
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results.append(book)
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return results if len(results) > 0 else "Pas de résultat."
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# Sauvegarde des livres dans un JSON pour persistance des données
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def save(self):
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"""Inscris dans un fichier JSON le contenu de la bibliothèque"""
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book_dict = [book.serialized() for book in self.books]
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with open("books.json", "w", encoding= "utf-8") as json_file: # a pour append, w pour write
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json.dump(book_dict, json_file, indent= 4)
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def load(self) -> list[Book]:
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"""Récupère le contenu d'un fichier JSON"""
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with open("books.json", encoding= "utf-8") as json_file:
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return json.load(json_file, object_hook= Book.deserialized)
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@@ -1,58 +0,0 @@
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import json
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def add_new_book(book_list: list[dict[str, str]], book: dict[str, str]): # On précise le contenu des clefs et valeurs du dictionnaire
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"""Ajoute un nouveau livre"""
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if book in book_list:
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return f"{book["Title"].upper()} y est déjà."
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book_list.append(book)
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save(book_list)
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return f"{book["Title"].upper()} a été ajouté."
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def take_out_book(book_list: list[dict[str, str]], title: str):
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"""Retire un livre déjà présent"""
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for book in book_list:
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if book["Title"].lower() == title.lower():
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book_list.remove(book)
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save(book_list)
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return f"{title.upper()} a été retiré."
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return f"{title.upper()} n'y est pas."
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def list_books_in_list(book_list: list[dict]):
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"""Liste les livres présents"""
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return book_list
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def sort_books_by_name(book_list: list[dict]):
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"""Tri les livres par ordre alphabétique"""
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book_list.sort(key= lambda dict: dict["Title"]) # pour trier par clefs et non plus par objets
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def display_number_of_books(book_list: list) -> int:
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"""Donne le nombre de livres présents"""
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return len(book_list)
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def search_book_by_word(book_list: list[dict[str, str]], word: str):
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"""Cherche un livre par mot de départ"""
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results = []
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for book in book_list:
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if word.lower() in book["Title"].lower():
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results.append(book)
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return results if len(results) > 0 else "Pas de résultat."
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def search_book_by_letter(book_list: list[dict[str, str]], letter: str):
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"""Cherche un livre par lettre de départ"""
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results = []
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for book in book_list:
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if book["Title"].lower().startswith(letter):
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results.append(book)
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return results if len(results) > 0 else "Pas de résultat."
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# Sauvegarde des livres dans un JSON pour persistance des données
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def save(book_list):
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"""Inscris dans un fichier JSON le contenu de la bibliothèque"""
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with open("books.json", "w") as json_file:
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json.dump(book_list, json_file, indent= 4)
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def load():
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"""Récupère le contenu d'un fichier JSON"""
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with open("books.json") as json_file:
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return json.load(json_file)
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@@ -1,36 +1,16 @@
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from functions import \
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add_new_book,\
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take_out_book,\
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list_books_in_list,\
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sort_books_by_name,\
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display_number_of_books,\
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search_book_by_word,\
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search_book_by_letter,\
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save, load
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from classes import Book, Library
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books = []
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library = Library("Romans")
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for i in range(3):
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new_book_title = input ("Quel livre ajouter ? > ")
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new_book_title = input ("Quel livre ajouter ? > ")
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new_book_author = input ("Qui l'a écrit ? > ")
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new_book = {
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"Title": new_book_title,
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"Author": new_book_author
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}
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new_book_added = add_new_book(books, new_book)
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print (new_book_added)
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new_book = Book(new_book_title, new_book_author)
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new_book_added = library.add_new_book(new_book)
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print(new_book_added)
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#print(take_out_book(books, new_book))
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print(library.list_books_in_list())
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sort_books_by_name(books)
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print(list_books_in_list(books))
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library.sort_books_by_name()
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book_number = display_number_of_books(books)
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print(f"La bibliothèque contient {book_number} livres.")
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searching_word = input("Mot recherché > ")
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print(search_book_by_word(books, searching_word))
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searching_letter = input("Lettre recherchée > ")
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print(search_book_by_letter(books, searching_letter))
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print(library.list_books_in_list())
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