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Roman Mogylatov 2020-07-09 20:34:41 -04:00
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@ -57,12 +57,10 @@ Example:
.. code-block:: python .. code-block:: python
import sqlite3
import boto3
from dependency_injector import containers, providers from dependency_injector import containers, providers
from github import Github
from .example import services
from . import services, views, webapp
class Application(containers.DeclarativeContainer): class Application(containers.DeclarativeContainer):
@ -70,58 +68,33 @@ Example:
config = providers.Configuration() config = providers.Configuration()
# Gateways github_client = providers.Factory(
Github,
database_client = providers.Singleton(sqlite3.connect, config.database.dsn) login_or_token=config.github.auth_token,
timeout=config.github.request_timeout,
s3_client = providers.Singleton(
boto3.client, 's3',
aws_access_key_id=config.aws.access_key_id,
aws_secret_access_key=config.aws.secret_access_key,
) )
# Services search_service = providers.Factory(
services.SearchService,
users_service = providers.Factory( github_client=github_client,
services.UsersService,
db=database_client,
) )
auth_service = providers.Factory( index_view = providers.Callable(
services.AuthService, views.index,
token_ttl=config.auth.token_ttl, search_service=search_service,
db=database_client, default_search_term=config.search.default_term,
default_search_limit=config.search.default_limit,
) )
photos_service = providers.Factory( app = providers.Factory(
services.PhotosService, webapp.create_app,
db=database_client, name=__name__,
s3=s3_client, routes=[
webapp.Route('/', 'index', index_view, methods=['GET']),
],
) )
Run the application:
.. code-block:: python
from .application import Application
def main():
"""Run application."""
application = Application()
application.config.from_yaml('config.yml')
users_service = application.users_service()
auth_service = application.auth_service()
photos_service = application.photos_service()
...
if __name__ == '__main__':
main()
You can find more ``Dependency Injector`` examples in the ``/examples`` directory You can find more ``Dependency Injector`` examples in the ``/examples`` directory
on the GitHub: on the GitHub: