Refactoring work to make this a real program

src/server.py

@@ -0,0 +1,38 @@
+import argparse
+from wsgiref.simple_server import make_server
+from conf_parser import build_configuration
+from os.path import expanduser, join
+
+
+# noinspection PyUnresolvedReferences
+def start_server(cmd_args: dict):
+    try:
+        server_conf, configurator = build_configuration(cmd_args.configuration)
+        app = configurator.make_wsgi_app()
+        server = make_server(cmd_args.host, cmd_args.port, app)
+
+        server.serve_forever()
+    except FileNotFoundError:
+        print("Unable to find configuration file. Does {} exist?"
+              .format(cmd_args.configuration))
+    except AttributeError:
+        print("Unable to parse configuration file. Is {} a valid YML file?"
+              .format(cmd_args.configuration))
+    except KeyError:
+        print('Unable to parse configuration file. Is there a `podcasts`'
+              'section?')
+
+
+if __name__ == '__main__':
+    default_rc = join(expanduser('~'), '.repodrc')
+    parser = argparse.ArgumentParser()
+    parser.add_argument('--verbose', help='Run server in verbose mode')
+    parser.add_argument('--port', type=int, default=10000,
+                        help='Port to use when starting the server')
+    parser.add_argument('--host', type=str, default='0.0.0.0',
+                        help='Host address to start the server')
+    parser.add_argument('--configuration', type=str, default=default_rc,
+                        help='Configuration file to start the server')
+
+    args = parser.parse_args()
+    start_server(args)