Added argument parser.

src/app/app.py

@@ -2,7 +2,7 @@ import base64
 import json
 import time
 import uuid
-
+import argparse
 import dataset
 from aiohttp import web
 
@@ -243,8 +243,62 @@ class Application(WebDbApplication):
             content_type="application/json",
         )
 
+    
+argument_parser = argparse.ArgumentParser("Web service")
+argument_parser.add_argument(
+    "--host",
+    default="0.0.0.0",
+    required=False
+    type=str,
+    help="Host to serve on."
+)
+argument_parser.add_argument(
+    "--port",
+    default=8888,
+    required=False,
+    type=int,
+    help="Port to serve on."
+)
+argument_parser.add_argument(
+    "--db-path",
+    default="sqlite:///:memory:",
+    required=False,
+    type=str,
+    help="SQLAlchemy db url. (e.g. sqlite:///app.db)"
+)
+argument_parser.add_argument(
+    "--basic-username",
+    default=None,
+    required=False,
+    type=str,
+    help="Basic Auth username."
+)
+argument_parser.add_argument(
+    "--basic-password",
+    default=None,
+    required=False,
+    type=str,
+    help="Basic Auth password."
+)
+argument_parser.add_argument(
+    "--db-web",
+    action="store_true",
+    help="Enable /db/* endpoints",
+    default=False,
+    type=bool
+)
+    
+
+
+
 
 def create_app(*args, **kwargs):
-    app = Application(*args, **kwargs)
-
+    global argument_parser
+    args = argument_parser.parse_args()
+    app = create_app(db_path=args.db_path,basic_username=args.basic_username,basic_password=args.basic_password)
+    return app
+
+
+def main():
+    app = create_app()
     return app