Fix for scene_names table does not exist errors.

sickbeard/db.py

@@ -115,7 +115,7 @@ class DBConnection:
 
         with db_lock:
             # remove None types
-            querylist = [i for i in querylist if i!=None]
+            querylist = [i for i in querylist if i != None]
 
             if querylist == None:
                 return
@@ -125,7 +125,7 @@ class DBConnection:
 
             # Transaction
             self.connection.isolation_level = None
-            self.connection.execute('begin')
+            self.connection.execute('BEGIN')
 
             while attempt < 5:
                 try:
@@ -140,7 +140,7 @@ class DBConnection:
                                 logger.log(qu[0] + " with args " + str(qu[1]), logger.DEBUG)
                             sqlResult.append(self.connection.execute(qu[0], qu[1]))
 
-                    self.connection.execute('commit')
+                    self.connection.execute('COMMIT')
 
                     logger.log(u"Transaction with " + str(len(querylist)) + u" queries executed", logger.DEBUG)
                     return sqlResult
@@ -240,6 +240,9 @@ class DBConnection:
             d[col[0]] = row[idx]
         return d
 
+    def hasTable(self, tableName):
+        return len(self.action("SELECT 1 FROM sqlite_master WHERE name = ?;", (tableName, )).fetchall()) > 0
+
 
 def sanityCheckDatabase(connection, sanity_check):
     sanity_check(connection).check()

sickbeard/name_cache.py

@@ -45,11 +45,14 @@ def retrieveNameFromCache(name):
     Returns: the TVDB and TVRAGE id that resulted from the cache lookup or None if the show wasn't found in the cache
     """
 
+    cache_results = None
+
     # standardize the name we're using to account for small differences in providers
     name = sanitizeSceneName(name)
 
     cacheDB = db.DBConnection('cache.db')
-    cache_results = cacheDB.select("SELECT * FROM scene_names WHERE name = ?", [name])
+    if cacheDB.hasTable('scene_names'):
+        cache_results = cacheDB.select("SELECT * FROM scene_names WHERE name = ?", [name])
 
     if cache_results:
         return int(cache_results[0]["indexer_id"])