Add 2 examples of services miniapp catalog styles

examples/miniapps/services/main2.py

@@ -0,0 +1,54 @@
+"""Dependency Injector example."""
+
+import sys
+import sqlite3
+
+from boto.s3.connection import S3Connection
+
+from dependency_injector import catalogs
+from dependency_injector import providers
+from dependency_injector import injections
+
+from example import services
+
+
+class Platform(catalogs.DeclarativeCatalog):
+    """Catalog of platform service providers."""
+
+    database = providers.Singleton(sqlite3.connect)
+    database.args(':memory:')
+
+    s3 = providers.Singleton(S3Connection)
+    s3.kwargs(aws_access_key_id='KEY',
+              aws_secret_access_key='SECRET')
+
+
+class Services(catalogs.DeclarativeCatalog):
+    """Catalog of business service providers."""
+
+    users = providers.Factory(services.Users)
+    users.kwargs(db=Platform.database)
+
+    photos = providers.Factory(services.Photos)
+    photos.kwargs(db=Platform.database,
+                  s3=Platform.s3)
+
+    auth = providers.Factory(services.Auth)
+    auth.kwargs(db=Platform.database,
+                token_ttl=3600)
+
+
+@injections.inject(users_service=Services.users)
+@injections.inject(auth_service=Services.auth)
+@injections.inject(photos_service=Services.photos)
+def main(argv, users_service, auth_service, photos_service):
+    """Main function."""
+    login, password, photo_path = argv[1:]
+
+    user = users_service.get_user(login)
+    auth_service.authenticate(user, password)
+    photos_service.upload_photo(user['id'], photo_path)
+
+
+if __name__ == '__main__':
+    main(sys.argv)

examples/miniapps/services/main3.py

@@ -0,0 +1,54 @@
+"""Dependency Injector example."""
+
+import sys
+import sqlite3
+
+from boto.s3.connection import S3Connection
+
+from dependency_injector import catalogs
+from dependency_injector import providers
+from dependency_injector import injections
+
+from example import services
+
+
+class Platform(catalogs.DeclarativeCatalog):
+    """Catalog of platform service providers."""
+
+    database = providers.Singleton(sqlite3.connect) \
+        .args(':memory:')
+
+    s3 = providers.Singleton(S3Connection) \
+        .kwargs(aws_access_key_id='KEY',
+                aws_secret_access_key='SECRET')
+
+
+class Services(catalogs.DeclarativeCatalog):
+    """Catalog of business service providers."""
+
+    users = providers.Factory(services.Users) \
+        .kwargs(db=Platform.database)
+
+    photos = providers.Factory(services.Photos) \
+        .kwargs(db=Platform.database,
+                s3=Platform.s3)
+
+    auth = providers.Factory(services.Auth) \
+        .kwargs(db=Platform.database,
+                token_ttl=3600)
+
+
+@injections.inject(users_service=Services.users)
+@injections.inject(auth_service=Services.auth)
+@injections.inject(photos_service=Services.photos)
+def main(argv, users_service, auth_service, photos_service):
+    """Main function."""
+    login, password, photo_path = argv[1:]
+
+    user = users_service.get_user(login)
+    auth_service.authenticate(user, password)
+    photos_service.upload_photo(user['id'], photo_path)
+
+
+if __name__ == '__main__':
+    main(sys.argv)