Don't pass script path arg to main

CHANGES.txt

@@ -1,6 +1,11 @@
 CHANGES
 =======
 
+0.21.5 (04-22-2016)
+-------------------
+
+- Fix command line arg parsing #797
+
 0.21.4 (03-12-2016)
 -------------------
 

aiohttp/web.py

@@ -349,7 +349,7 @@ def main(argv):
         type=int,
         default="8080"
     )
-    args, extra_args = arg_parser.parse_known_args(argv)
+    args, extra_argv = arg_parser.parse_known_args(argv)
 
     # Import logic
     mod_str, _, func_str = args.entry_func.partition(":")
@@ -368,9 +368,9 @@ def main(argv):
     except AttributeError:
         arg_parser.error("module %r has no attribute %r" % (mod_str, func_str))
 
-    app = func(extra_args)
+    app = func(extra_argv)
     run_app(app, host=args.hostname, port=args.port)
     arg_parser.exit(message="Stopped\n")
 
 if __name__ == "__main__":
-    main(sys.argv)
+    main(sys.argv[1:])

docs/web.rst

@@ -58,7 +58,7 @@ Command Line Interface (CLI)
 accepts a list of any non-parsed command-line arguments and returns an
 :class:`Application` instance after setting it up::
 
-    def init_function(args):
+    def init_function(argv):
         app = web.Application()
         app.router.add_route("GET", "/", index_handler)
         return app

examples/web_app.py

@@ -22,7 +22,7 @@ def display_message(req):
     return Response(text=text)
 
 
-def init(args):
+def init(argv):
     arg_parser = ArgumentParser(
         prog="aiohttp.web ...", description="Application CLI", add_help=False
     )
@@ -45,10 +45,10 @@ def init(args):
         help="show this message and exit", action="help"
     )
 
-    parsed_args = arg_parser.parse_args(args)
+    args = arg_parser.parse_args(argv)
 
     app = Application()
-    app["args"] = parsed_args
+    app["args"] = args
     app.router.add_route('GET', '/', display_message)
 
     return app