mirror of
https://github.com/ets-labs/python-dependency-injector.git
synced 2024-11-23 01:56:58 +03:00
42 lines
1.6 KiB
Python
42 lines
1.6 KiB
Python
"""Mail service and user registration DI container example."""
|
|
|
|
from dependency_injector.containers import DeclarativeContainer
|
|
from dependency_injector.providers import Callable, Singleton
|
|
|
|
import example
|
|
|
|
|
|
class Container(DeclarativeContainer):
|
|
"""DI container."""
|
|
|
|
mail_service = Singleton(example.MailService,
|
|
host='localhost',
|
|
port=587,
|
|
login='my_login',
|
|
password='super_secret_password')
|
|
|
|
add_user = Callable(example.add_user,
|
|
mailer=mail_service)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
print('Using real mail service:')
|
|
Container.add_user('sample@mail.com', 'password')
|
|
# Using real mail service:
|
|
# Connecting server localhost:587 with my_login:super_secret_password
|
|
# Sending "Your password is password" to "sample@mail.com"
|
|
|
|
print('Using mail service stub:')
|
|
Container.add_user('sample@mail.com', 'password',
|
|
mailer=example.MailServiceStub())
|
|
# Using mail service stub:
|
|
# Emulating sending "Your password is password" to "sample@mail.com"
|
|
|
|
# Also you can override provider by another provider:
|
|
Container.mail_service.override(Singleton(example.MailServiceStub))
|
|
print('Using mail service stub by overriding mail service provider:')
|
|
Container.add_user('sample@mail.com', 'password')
|
|
# Using mail service stub by overriding mail service provider:
|
|
# Emulating sending "Your password is password" to "sample@mail.com"
|
|
Container.mail_service.reset_override() # Resetting provider overriding
|