mirror of
https://github.com/ets-labs/python-dependency-injector.git
synced 2024-11-23 01:56:58 +03:00
65 lines
2.0 KiB
Python
65 lines
2.0 KiB
Python
"""Catalog bundles example."""
|
|
|
|
from dependency_injector import catalogs
|
|
from dependency_injector import providers
|
|
from dependency_injector import errors
|
|
|
|
import services
|
|
import views
|
|
|
|
|
|
# Declaring services catalog:
|
|
class Services(catalogs.DeclarativeCatalog):
|
|
"""Example catalog of service providers."""
|
|
|
|
users = providers.Factory(services.Users)
|
|
""":type: providers.Provider -> services.Users"""
|
|
|
|
auth = providers.Factory(services.Auth)
|
|
""":type: providers.Provider -> services.Auth"""
|
|
|
|
photos = providers.Factory(services.Photos)
|
|
""":type: providers.Provider -> services.Photos"""
|
|
|
|
|
|
# Declaring views catalog:
|
|
class Views(catalogs.DeclarativeCatalog):
|
|
"""Example catalog of web views."""
|
|
|
|
auth = providers.Factory(views.Auth,
|
|
services=Services.Bundle(Services.users,
|
|
Services.auth))
|
|
""":type: providers.Provider -> views.Auth"""
|
|
|
|
photos = providers.Factory(views.Photos,
|
|
services=Services.Bundle(Services.users,
|
|
Services.photos))
|
|
""":type: providers.Provider -> views.Photos"""
|
|
|
|
|
|
# Creating example views:
|
|
auth_view = Views.auth()
|
|
photos_view = Views.photos()
|
|
|
|
print auth_view.services # prints: <__main__.Services.Bundle(users, auth)>
|
|
print photos_view.services # prints <__main__.Services.Bundle(photos, users)>
|
|
|
|
# Making some asserts:
|
|
assert auth_view.services.users is Services.users
|
|
assert auth_view.services.auth is Services.auth
|
|
try:
|
|
auth_view.services.photos
|
|
except errors.Error:
|
|
# `photos` service provider is not in scope of `auth_view` services bundle,
|
|
# so `di.Error` will be raised.
|
|
pass
|
|
|
|
assert photos_view.services.users is Services.users
|
|
assert photos_view.services.photos is Services.photos
|
|
try:
|
|
photos_view.services.auth
|
|
except errors.Error as exception:
|
|
# `auth` service provider is not in scope of `photo_processing_view`
|
|
# services bundle, so `di.Error` will be raised.
|
|
pass
|