manter arquivos gerados no script em uma pasta para poder checa-los ao rodar novamente o script! [RE

mrx6s0
(usa Ubuntu)

Enviado em 17/08/2017 - 05:48h

ctw6av
(usa Nenhuma)

Enviado em 17/08/2017 - 13:05h

class Product(object):

    def __init__(self, name, category, value):



        self.category = category

        self.value = value

        self.id = uuid4()

        self.name = name



    def __str__(self):

        return self.name

 

class Database(object):

    def __init__(self):

        self.check_database()



    @staticmethod

    def list_categories():

        with shelve.open(DATABASE_NAME) as database:

            for key in database.keys():

                print(key)

        return True



    @staticmethod

    def list_items(category=None):

        if category is None:

            with shelve.open(DATABASE_NAME) as database:

                for category in database:

                    print("--- {} ---".format(category))



                    for item in database[category]:

                        product = database[category][item]

                        print("Id: ", product.id)

                        print("Name:", product.name)

                        print("Value:", product.value)

                        print("-------")





    @staticmethod

    def insert(product):

        with shelve.open(DATABASE_NAME, writeback=True) as database:

            if product.category not in database.keys():

                database[product.category] = dict()

            db_category = database.get(product.category)

            db_category[product.id] = product

        return True



    @staticmethod

    def check_database():

        if not os.path.exists(DATABASE_NAME + '.db'):

            shelve.open(DATABASE_NAME)

            return True 

    database = Database()

    item = Product(name="Sapato", category="Vestuário", value=100)

    database.insert(item) 

database.list_items(category=None)

 

mrx6s0
(usa Ubuntu)

Enviado em 17/08/2017 - 15:23h

class Product(object):

    def __init__(self, name, category, value):



        self.category = category

        self.value = value

        self.id = uuid4()

        self.name = name



    def __str__(self):

        return self.name

 

class Database(object):

    def __init__(self):

        self.check_database()



    @staticmethod

    def list_categories():

        with shelve.open(DATABASE_NAME) as database:

            for key in database.keys():

                print(key)

        return True



    @staticmethod

    def list_items(category=None):

        if category is None:

            with shelve.open(DATABASE_NAME) as database:

                for category in database:

                    print("--- {} ---".format(category))



                    for item in database[category]:

                        product = database[category][item]

                        print("Id: ", product.id)

                        print("Name:", product.name)

                        print("Value:", product.value)

                        print("-------")





    @staticmethod

    def insert(product):

        with shelve.open(DATABASE_NAME, writeback=True) as database:

            if product.category not in database.keys():

                database[product.category] = dict()

            db_category = database.get(product.category)

            db_category[product.id] = product

        return True



    @staticmethod

    def check_database():

        if not os.path.exists(DATABASE_NAME + '.db'):

            shelve.open(DATABASE_NAME)

            return True 

    database = Database()

    item = Product(name="Sapato", category="Vestuário", value=100)

    database.insert(item) 

database.list_items(category=None)