semaphore ater enter key are pushed

[rainbowstream.git] / rainbowstream / db.py

diff --git a/rainbowstream/db.py b/rainbowstream/db.py
index 5bfb04081c715ad1b8f2690b1527a42987e9222a..f8a11397933484e6f3ed2368ffee35000a22f135 100644 (file)
--- a/rainbowstream/db.py
+++ b/rainbowstream/db.py
@@ -98,3 +98,33 @@ class RainbowDB():
         session = Session()
         res = session.query(Theme).all()
         return res
+
+    def semaphore_store(self, flag):
+        """
+        Store semaphore flag
+        """
+        Session = sessionmaker(bind=self.engine)
+        session = Session()
+        th = Semaphore(flag)
+        session.add(th)
+        session.commit()
+
+    def semaphore_update(self, flag):
+        """
+        Update semaphore flag
+        """
+        Session = sessionmaker(bind=self.engine)
+        session = Session()
+        res = session.query(Semaphore).all()
+        for r in res:
+            r.flag = flag
+        session.commit()
+
+    def semaphore_query(self):
+        """
+        Query semaphore
+        """
+        Session = sessionmaker(bind=self.engine)
+        session = Session()
+        res = session.query(Semaphore).all()
+        return res[0].flag