import peewee
from model import Author
from model import Book
if __name__ == '__main__':
try:
Author.create_table()
except peewee.OperationalError:
print('Author table already exists')
try:
Book.create_table()
except peewee.OperationalError:
print('Book table already exists')
author01 = Author.create(name='H. G. Wells')
book01 = {'title': 'A Máquina do tempo', 'author': author01}
book02 = {'title': 'Guerra dos Mundos', 'author': author01}
author02 = Author.create(name='Julio Verne')
book03 = {'title': 'Volta ao mundo em 80 dias', 'author': author02}
book04 = {'title': 'Vinte Mil Leguas Submarinas', 'author': author01}
books = [book01, book02, book03, book04]
Book.insert_many(books).execute()
book = Book.get(Book.title == 'Volta ao mundo em 80 dias')
print(book.title)
books = Book.select().join(Author).where(Author.name == 'H. G. Wells')
def __init__(self):
DatabaseManager.__init__(self)
Book.create_table()