Add .providers attribute and .set_providers() method to FactoryAggregate provider

Author: rmk135

docs/main/changelog.rst

@@ -7,6 +7,14 @@ that were made in every particular version.
 From version 0.7.6 *Dependency Injector* framework strictly 
 follows `Semantic versioning`_
 
+Development version
+-------------------
+- Add ``.providers`` attribute to the ``FactoryAggregate`` provider. It is an alias for
+  ``FactoryAggregate.factories`` attribute.
+- Add ``.set_providers()`` method to the ``FactoryAggregate`` provider. It is an alias for
+  ``FactoryAggregate.set_factories()`` method.
+- Refactor ``FactoryAggregate`` provider internals.
+
 4.37.0
 ------
 - Add support of Python 3.10.

docs/providers/factory.rst

@@ -163,9 +163,9 @@ The aggregated factories are associated with the string keys. When you call the
    :lines: 3-
    :emphasize-lines: 33-37,47
 
-You can get a dictionary of the aggregated factories using the ``.factories`` attribute.
-To get a game factories dictionary from the previous example you can use
-``game_factory.factories`` attribute.
+You can get a dictionary of the aggregated providers using ``.providers`` attribute.
+To get a game provider dictionary from the previous example you can use
+``game_factory.providers`` attribute.
 
 You can also access an aggregated factory as an attribute. To create the ``Chess`` object from the
 previous example you can do ``chess = game_factory.chess("John", "Jane")``.
@@ -176,7 +176,7 @@ previous example you can do ``chess = game_factory.chess("John", "Jane")``.
 .. note::
    When you inject the ``FactoryAggregate`` provider it is passed "as is".
 
-To use non-string keys or keys with ``.`` and ``-`` you can provide a dictionary as a positional argument:
+To use non-string keys or string keys with ``.`` and ``-``, you can provide a dictionary as a positional argument:
 
 .. code-block:: python