refactoring some code

[rainbowstream.git] / rainbowstream / db.py

diff --git a/rainbowstream/db.py b/rainbowstream/db.py
index 5bfb04081c715ad1b8f2690b1527a42987e9222a..192448fd44a941e8bb3034ee613b10da19e0be88 100644 (file)
--- a/rainbowstream/db.py
+++ b/rainbowstream/db.py
@@ -9,8 +9,12 @@ class RainbowDB():
     engine = None
 
     def __init__(self):
-        if not os.path.isfile('rainbow.db'):
-            init_db()
+        """
+        Init DB
+        """
+        if os.path.isfile('rainbow.db'):
+            os.system('rm -rf rainbow.db')
+        init_db()
         self.engine = create_engine('sqlite:///rainbow.db', echo=False)
 
     def tweet_store(self, tweet_id):
@@ -98,3 +102,53 @@ class RainbowDB():
         session = Session()
         res = session.query(Theme).all()
         return res
+
+    def semaphore_store(self, lock, pause):
+        """
+        Store semaphore lock
+        """
+        Session = sessionmaker(bind=self.engine)
+        session = Session()
+        th = Semaphore(lock, pause)
+        session.add(th)
+        session.commit()
+
+    def semaphore_update_lock(self, lock):
+        """
+        Update semaphore lock
+        """
+        Session = sessionmaker(bind=self.engine)
+        session = Session()
+        res = session.query(Semaphore).all()
+        for r in res:
+            r.lock = lock
+        session.commit()
+
+    def semaphore_update_pause(self, pause):
+        """
+        Update semaphore pause
+        """
+        Session = sessionmaker(bind=self.engine)
+        session = Session()
+        res = session.query(Semaphore).all()
+        for r in res:
+            r.pause = pause
+        session.commit()
+
+    def semaphore_query_lock(self):
+        """
+        Query semaphore lock
+        """
+        Session = sessionmaker(bind=self.engine)
+        session = Session()
+        res = session.query(Semaphore).all()
+        return res[0].lock
+
+    def semaphore_query_pause(self):
+        """
+        Query semaphore pause
+        """
+        Session = sessionmaker(bind=self.engine)
+        session = Session()
+        res = session.query(Semaphore).all()
+        return res[0].pause