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+.. _mach_driver:
+
+=======
+Drivers
+=======
+
+Entry Points
+============
+
+It is possible to use setuptools' entry points to load commands
+directly from python packages. A mach entry point is a function which
+returns a list of files or directories containing mach command
+providers. e.g.:
+
+.. code-block:: python
+
+   def list_providers():
+       providers = []
+       here = os.path.abspath(os.path.dirname(__file__))
+       for p in os.listdir(here):
+           if p.endswith('.py'):
+               providers.append(os.path.join(here, p))
+       return providers
+
+See http://pythonhosted.org/setuptools/setuptools.html#dynamic-discovery-of-services-and-plugins
+for more information on creating an entry point. To search for entry
+point plugins, you can call
+:py:meth:`mach.command_util.load_commands_from_entry_point`. e.g.:
+
+.. code-block:: python
+
+   load_commands_from_entry_point("mach.external.providers")