Update README.md

[rainbowstream.git] / rainbowstream / db.py

diff --git a/rainbowstream/db.py b/rainbowstream/db.py
index d81f5ae192d3e995cbe84e5a2f4fc9dcae2ec1ac..cac9a73d6a62dd0f05ab45cea3afa1520891561e 100644 (file)
--- a/rainbowstream/db.py
+++ b/rainbowstream/db.py
@@ -1,16 +1,23 @@
+import os
 from sqlalchemy import create_engine
 from sqlalchemy.orm import sessionmaker
 from table_def import Map
+from .table_def import *
 
 
 class RainbowDB():
 
-    engine=None
+    engine = None
 
     def __init__(self):
+        if not os.path.isfile('rainbow.db'):
+            init_db()
         self.engine = create_engine('sqlite:///rainbow.db', echo=False)
 
     def store(self, tweet_id):
+        """
+        Store tweet id
+        """
         Session = sessionmaker(bind=self.engine)
         session = Session()
         m = Map(tweet_id)
@@ -18,13 +25,19 @@ class RainbowDB():
         session.commit()
 
     def rainbow_query(self, rid):
+        """
+        Query base of rainbow id
+        """
         Session = sessionmaker(bind=self.engine)
         session = Session()
-        res = session.query(Map).filter("rainbow_id =:rid").params(rid=rid).all()
+        res = session.query(Map).filter_by(rainbow_id=rid).all()
         return res
 
     def tweet_query(self, tid):
+        """
+        Query base of tweet id
+        """
         Session = sessionmaker(bind=self.engine)
         session = Session()
-        res = session.query(Map).filter("tweet_id =:tid").params(tid=tid).all()
-        return res
+        res = session.query(Map).filter_by(tweet_id=tid).all()
+        return res
\ No newline at end of file