From 7ab471fe498e0962614719d2d539a572671b4ac2 Mon Sep 17 00:00:00 2001
From: Roman Mogilatov <rmogilatov@gmail.com>
Date: Fri, 2 Dec 2016 20:43:39 +0200
Subject: [PATCH] Update services miniapp with configuration provider

---
 README.rst                               | 16 +++++++++++-----
 examples/miniapps/services/containers.py | 10 ++++++----
 examples/miniapps/services/run.py        |  6 +++++-
 3 files changed, 22 insertions(+), 10 deletions(-)

diff --git a/README.rst b/README.rst
index 3952a390..2d25d6f3 100644
--- a/README.rst
+++ b/README.rst
@@ -126,13 +126,15 @@ several IoC containers for some example application:
     class Platform(containers.DeclarativeContainer):
         """IoC container of platform service providers."""
 
+        configuration = providers.Configuration('config')
+
         logger = providers.Singleton(logging.Logger, name='example')
 
-        database = providers.Singleton(sqlite3.connect, ':memory:')
+        database = providers.Singleton(sqlite3.connect, configuration.database.dsn)
 
         s3 = providers.Singleton(boto.s3.connection.S3Connection,
-                                 aws_access_key_id='KEY',
-                                 aws_secret_access_key='SECRET')
+                                 configuration.aws.access_key_id,
+                                 configuration.aws.secret_access_key)
 
 
     class Services(containers.DeclarativeContainer):
@@ -145,7 +147,7 @@ several IoC containers for some example application:
         auth = providers.Factory(example.services.AuthService,
                                  logger=Platform.logger,
                                  db=Platform.database,
-                                 token_ttl=3600)
+                                 token_ttl=Platform.configuration.auth.token_ttl)
 
         photos = providers.Factory(example.services.PhotosService,
                                    logger=Platform.logger,
@@ -174,7 +176,11 @@ Next example demonstrates run of example application defined above:
 
 
     if __name__ == '__main__':
-        # Configure platform logger:
+        # Configure platform:
+        Platform.configuration.update({'database': {'dsn': ':memory:'},
+                                       'aws': {'access_key_id': 'KEY',
+                                               'secret_access_key': 'SECRET'},
+                                       'auth': {'token_ttl': 3600}})
         Platform.logger().addHandler(logging.StreamHandler(sys.stdout))
 
         # Run application:
diff --git a/examples/miniapps/services/containers.py b/examples/miniapps/services/containers.py
index 4beb12cd..a8872c4a 100644
--- a/examples/miniapps/services/containers.py
+++ b/examples/miniapps/services/containers.py
@@ -15,13 +15,15 @@ import dependency_injector.providers as providers
 class Platform(containers.DeclarativeContainer):
     """IoC container of platform service providers."""
 
+    configuration = providers.Configuration('config')
+
     logger = providers.Singleton(logging.Logger, name='example')
 
-    database = providers.Singleton(sqlite3.connect, ':memory:')
+    database = providers.Singleton(sqlite3.connect, configuration.database.dsn)
 
     s3 = providers.Singleton(boto.s3.connection.S3Connection,
-                             aws_access_key_id='KEY',
-                             aws_secret_access_key='SECRET')
+                             configuration.aws.access_key_id,
+                             configuration.aws.secret_access_key)
 
 
 class Services(containers.DeclarativeContainer):
@@ -34,7 +36,7 @@ class Services(containers.DeclarativeContainer):
     auth = providers.Factory(example.services.AuthService,
                              logger=Platform.logger,
                              db=Platform.database,
-                             token_ttl=3600)
+                             token_ttl=Platform.configuration.auth.token_ttl)
 
     photos = providers.Factory(example.services.PhotosService,
                                logger=Platform.logger,
diff --git a/examples/miniapps/services/run.py b/examples/miniapps/services/run.py
index e416f5b8..662fb684 100644
--- a/examples/miniapps/services/run.py
+++ b/examples/miniapps/services/run.py
@@ -7,7 +7,11 @@ from containers import Platform, Application
 
 
 if __name__ == '__main__':
-    # Configure platform logger:
+    # Configure platform:
+    Platform.configuration.update({'database': {'dsn': ':memory:'},
+                                   'aws': {'access_key_id': 'KEY',
+                                           'secret_access_key': 'SECRET'},
+                                   'auth': {'token_ttl': 3600}})
     Platform.logger().addHandler(logging.StreamHandler(sys.stdout))
 
     # Run application: