From 1e2e253e33600a47d8a421febf322e6c2d2bee31 Mon Sep 17 00:00:00 2001
From: Pierre-Yves Chibon <pingou@pingoured.fr>
Date: Mar 18 2014 14:39:10 +0000
Subject: Add the skeleton of the backend library for progit


---

diff --git a/progit/lib.py b/progit/lib.py
new file mode 100644
index 0000000..0fa53f1
--- /dev/null
+++ b/progit/lib.py
@@ -0,0 +1,51 @@
+#-*- coding: utf-8 -*-
+
+"""
+ (c) 2014 - Copyright Red Hat Inc
+
+ Authors:
+   Pierre-Yves Chibon <pingou@pingoured.fr>
+
+"""
+
+
+import sqlalchemy
+from datetime import timedelta
+from sqlalchemy.orm import sessionmaker
+from sqlalchemy.orm import scoped_session
+from sqlalchemy.orm.exc import NoResultFound
+from sqlalchemy.exc import SQLAlchemyError
+
+from progit import model
+
+
+def create_session(db_url, debug=False, pool_recycle=3600):
+    """ Create the Session object to use to query the database.
+
+    :arg db_url: URL used to connect to the database. The URL contains
+    information with regards to the database engine, the host to connect
+    to, the user and password and the database name.
+      ie: <engine>://<user>:<password>@<host>/<dbname>
+    :kwarg debug: a boolean specifying wether we should have the verbose
+        output of sqlalchemy or not.
+    :return a Session that can be used to query the database.
+
+    """
+    engine = sqlalchemy.create_engine(
+        db_url, echo=debug, pool_recycle=pool_recycle)
+    scopedsession = scoped_session(sessionmaker(bind=engine))
+    return scopedsession
+
+
+def get_user_project(session, username):
+    ''' Retrieve the list of projects managed by a user.
+
+    '''
+
+    query = session.query(
+        model.Project
+    ).filter(
+        model.Project.user == username
+    )
+
+    return query.all()