gowhari · April 5, 2018 13:58 · Apr 5, 2018
diff --git a/serverbase.py b/serverbase.py
@@ -0,0 +1,42 @@
+import json
+import config
+import logging
+import database as db
+from functools import wraps
+from flask import Flask, request, session, redirect, g
+
+
+app = Flask(__name__,
+            static_url_path=config.flask.static_url_path,
+            static_folder=config.flask.static_folder)
+app.secret_key = config.flask.secret_key
+
+
+class ErrorToClient(Exception):
+    pass
+
+
+@app.errorhandler(ErrorToClient)
+def error_to_client(error):
+    return json.dumps({'message': error.args[0], 'args': error.args[1:]}), 400
+
+
+@app.before_request
+def before_request():
+    g.db_session = db.Session()
+    g.user_id = session.get('user_id', None)
+
+
+@app.teardown_request
+def teardown_request(exception):
+    db_session = getattr(g, 'db_session', None)
+    if db_session is not None:
+        db_session.close()
+
+
+def return_json(f):
+    @wraps(f)
+    def inner(*a, **k):
+        r = f(*a, **k)
+        return json.dumps(r)
+    return inner