DB Working but slow

lib/dbutils/__init__.py

@@ -0,0 +1,7 @@
+"""
+Databse utilities for plugin.audio.subsonic
+"""
+
+from .dbutils import *
+
+__version__ = '0.0.1'

lib/dbutils/dbutils.py

@@ -0,0 +1,80 @@
+import sqlite3 as sql
+
+tbl_artist_info_ddl = str('CREATE TABLE artist_info ('
+                            'artist_id        TEXT NOT NULL PRIMARY KEY,'
+                            'artist_info      TEXT,'
+                            'last_update      TEXT);')
+
+class SQLiteDatabase(object):
+    def __init__(self, db_filename):
+        print("Init %s"%db_filename) 
+        self.db_filename = db_filename
+        self.conn = None
+    
+        self.connect()
+
+    def connect(self):
+        try:
+            #xbmc.log("Trying connection to the database %s"%self.db_filename, xbmc.LOGINFO)
+            print("Trying connection to the database %s"%self.db_filename)
+            self.conn = sql.connect(self.db_filename)
+            cursor = self.conn.cursor()
+            cursor.execute(str('SELECT SQLITE_VERSION()'))
+            #xbmc.log("Connection %s was successful %s"%(self.db_filename, cursor.fetchone()[0]), xbmc.LOGINFO)
+            print("Connection %s was successful %s"%(self.db_filename, cursor.fetchone()[0]))
+            cursor.row_factory = lambda cursor, row: row[0]
+            cursor.execute(str('SELECT name FROM sqlite_master WHERE type=\'table\' ''AND name NOT LIKE \'sqlite_%\''))
+            list_tables = cursor.fetchall()
+            if not list_tables:
+                # If no tables exist create a new one
+                #xbmc.log("Creating Subsonic local DB", xbmc.LOGINFO)
+                print("Creating Subsonic local DB")
+                cursor.execute(tbl_artist_info_ddl)
+        except sql.Error as e:
+            #xbmc.log("SQLite error %s"%e.args[0], xbmc.LOGINFO)
+            print("SQLite error %s"%e.args[0])
+
+    def get_cursor(self):
+        return self.conn.cursor()
+
+    def run_query(self, query, params=None, cursor=None):
+        print("Processing query %s params %s"%(str(query),str(params)))      
+        try:
+            if cursor is None:
+                cursor = self.get_cursor()
+            if params is not None:
+                cursor.execute(query, params)
+            else:
+                cursor.execute(query)
+            return cursor
+        except sql.Error as e:
+            print("SQLite error %s"%e.args[0])
+        except ValueError:
+            print("Error query %s"%str(query))  
+            print("Error query type %s"%type(query))
+            print("Error params %s"%str(params))  
+            print("Error params type %s"%type(params))
+
+    def update_artist(self, artist_id, artist_info, update_time):
+        success = False
+        query = 'INSERT or REPLACE INTO artist_info VALUES (?, ?, ?)'
+        params = (str(artist_id), str(artist_info), str(update_time)) 
+        cursor = self.run_query(query, params)
+        try:
+            self.conn.commit()
+            success = True
+        except Exception as e:
+            print("Exception %s"%e)                
+            pass
+        return success
+
+    def get_artist_info(self, artist_id):   
+        query = 'SELECT * FROM artist_info WHERE artist_id = ?'
+        params = [str(artist_id)]    
+        cursor = self.run_query(query, params)
+        return cursor.fetchall()
+
+    def close(self):
+        if self.conn:
+            self.conn.close()
+