add tast_1

Lesson_2.py

@@ -0,0 +1,193 @@
+import json
+
+from pydantic import BaseModel
+from abc import ABC, abstractmethod
+
+
+def logger(func):
+    def wrapper(*args, **kwargs):
+        result = func(*args, **kwargs)
+        print(f'Add book or journal:     {result.item_info()}')
+        return result
+    return wrapper
+def delet(func):
+    def wrapper(*args, **kwargs):
+        print('Trying to find a book or magazine to remove from this library list:')
+        lib.show_library()
+        result = func(*args, **kwargs)
+        return result
+    return wrapper
+
+class BookModel(BaseModel):
+    name: str
+    author: str
+    year: int
+
+class JournalModel(BookModel):
+    edition: int
+
+class AbstractLibraryItem(ABC):
+    @abstractmethod
+    def item_info(self):
+        raise NotImplementedError
+
+class Book(AbstractLibraryItem):
+    def __init__(self, model: BookModel):
+        self.model = model
+    def item_info(self):
+        return {self.model.name:{'author':self.model.author, "year":self.model.year}}
+
+
+class Journal(AbstractLibraryItem):
+    def __init__(self, model: JournalModel):
+        self.model = model
+
+    def item_info(self):
+        return {self.model.name:{'author':self.model.author, "year":self.model.year, "edition":self.model.edition}}
+
+
+
+class Library:
+    def __init__(self):
+        self.item_list = []
+
+    @logger
+    def add_book(self, item: AbstractLibraryItem):
+        self.item_list.append(item)
+        return item
+
+
+    def get_item_by_author(self, name:str):
+        list_books_journal = []
+        gener = (i for i in self.item_list)
+        for book in gener:
+            if book.model.author == name:
+                list_books_journal.append(book.item_info())
+        if list_books_journal:
+            return print(list_books_journal)
+        else:
+            print(f'Нет книг автора {name} в списке!')
+
+
+    def show_library(self):
+        for book_and_journal in self.item_list:
+            print(book_and_journal.item_info())
+
+    def save_list_book_journal(self):
+        try:
+            with open('list_books_and_journal.json', 'w', encoding='utf-8') as file:
+                for i in self.item_list:
+                    file.write(str(i.item_info()) + '\n')
+        except Exception as e:
+            print(f'Error add: {e}')
+    @delet
+    def delete_book_or_journal(self, name:str):
+        for item in self.item_list:
+            if item.model.name == name:
+                self.item_list.remove(item)
+                print(f'Book of journal "{name}" has been removed from the library')
+                break
+        else:
+            print(f'Book of journal "{name}" not in the library')
+    #
+    def show_list_books_after_deletion(self):
+        self.item_list.clear()
+        print('Library cleared')
+
+    def add_books_is_file(self):
+        try:
+            with open('json_list.json', 'r', encoding='utf-8') as file_json:
+                data = json.load(file_json)  # Загрузка всего файла как JSON массив
+                for line in data:
+                    if 'edition' in line:
+                        journal_model = JournalModel(**line)
+                        journal = Journal(journal_model)
+                        self.add_book(journal)
+                    else:
+                        book_model = BookModel(**line)
+                        book = Book(book_model)
+                        self.add_book(book)
+        except Exception as e:
+            print(f'Error add: {e}')
+if __name__ == '__main__':
+    journal_1 = {'name': 'Forbes',
+              'author': 'Charlz',
+              'year': 2005,
+              'edition':88
+    }
+
+    book_1 = {'name': 'Mavka',
+              'author': 'Ukrayinka',
+              'year': 2020,
+    }
+    book_2 = {'name': 'Zapovit',
+              'author': 'Shevchenko',
+              'year': 2020,
+    }
+
+    book_3 = {'name': 'Kobzar',
+              'author': 'Shevchenko',
+              'year': 2021,
+    }
+
+    print('**** Add book or journal *****')
+    lib = Library()
+    journal_model = JournalModel(**journal_1)
+    journal = Journal(journal_model)
+    lib.add_book(journal)
+    print()
+
+    print('**** Add book or journal *****')
+    book_model = BookModel(**book_1)
+    book = Book(book_model)
+    lib.add_book(book)
+    print()
+
+    print('**** Add book or journal *****')
+    book_model = BookModel(**book_2)
+    book = Book(book_model)
+    lib.add_book(book)
+    print()
+    print()
+    print('**** Add book or journal *****')
+    book_model = BookModel(**book_3)
+    book = Book(book_model)
+    lib.add_book(book)
+    print( '\t' * 3, ' **** Show entire library*****')
+    lib.show_library()
+
+
+    #
+    print()
+    print('**** Search for a book or journal by author *****')
+    lib.get_item_by_author('Shevchenko') #input АВТОРА
+    #
+    print()
+    print('**** Saving to file *****')
+    lib.save_list_book_journal()
+    #
+    print()
+    print('**** Removing a book from the library *****')
+    lib.delete_book_or_journal('Mavka')
+    #
+    print()
+    print('**** Displaying a list of books or journals after deletion *****')
+    lib.show_library()
+    #
+    print()
+    print('**** Clear entire library *****')
+    lib.show_list_books_after_deletion()
+    #
+    print()
+    print('**** Displaying a list of books of journals after deletion *****')
+    lib.show_library()
+    #
+    print()
+    print('**** Adding books of journals from a file *****')
+    lib.add_books_is_file()
+
+    print()
+    print('**** Show entire library *****')
+    lib.show_library()
+
+

json_list.json

@@ -0,0 +1,7 @@
+[{"name": "Zapovit", "author": "Shevchenko", "year": 2015},
+{"name": "Zhaga", "author": "Vulf", "year": 2018},
+{"name": "Ubivchij vpliv", "author": "Omer", "year": 2020},
+{"name": "Grona gnivu", "author": "Stejnbek", "year": 2023},
+{"name": "Den popelu", "author": "Granzheвна", "year": 2024},
+{"name": "New Look", "author": "Rey", "year": 512, "edition": 123},
+{"name": "Vogue", "author": "Boucher", "year": 512, "edition": 245}]

list_books_and_journal.json

@@ -0,0 +1,4 @@
+{'Forbes': {'author': 'Charlz', 'year': 2005, 'edition': 88}}
+{'Mavka': {'author': 'Ukrayinka', 'year': 2020}}
+{'Zapovit': {'author': 'Shevchenko', 'year': 2020}}
+{'Kobzar': {'author': 'Shevchenko', 'year': 2021}}