Add container usage for callable provider example

Author: rmk135

examples/providers/callable.py

@@ -2,17 +2,22 @@
 
 import passlib.hash
 
-from dependency_injector import providers
+from dependency_injector import containers, providers
 
 
-password_hasher = providers.Callable(
- passlib.hash.sha256_crypt.hash,
- salt_size=16,
- rounds=10000,
-)
-password_verifier = providers.Callable(passlib.hash.sha256_crypt.verify)
+class Container(containers.DeclarativeContainer):
+
+ password_hasher = providers.Callable(
+ passlib.hash.sha256_crypt.hash,
+ salt_size=16,
+ rounds=10000,
+ )
+
+ password_verifier = providers.Callable(passlib.hash.sha256_crypt.verify)
 
 
 if __name__ == '__main__':
- hashed_password = password_hasher('super secret')
- assert password_verifier('super secret', hashed_password)
+ container = Container()
+
+ hashed_password = container.password_hasher('super secret')
+ assert container.password_verifier('super secret', hashed_password)