Updater script which should keep base up to date.

updater.py

@@ -0,0 +1,45 @@
+
+# TODO - config file. 
+import pymysql.cursors
+import urllib.request, json 
+import datetime as dt
+
+interval = '1 HOUR'
+# Connect to the database
+connection = pymysql.connect(host='localhost',
+                             user='root',
+                             db='test',
+                             cursorclass=pymysql.cursors.DictCursor)
+
+# If u_date which already stored older than fresh u_date
+# so going to notify
+# Any way update last_check
+def check_updates(id, u_date):
+    with urllib.request.urlopen(
+        "http://api.rutracker.org/v1/get_tor_topic_data?by=topic_id&val="+id) as url:
+        data = json.loads(url.read().decode())
+        last_check = dt.datetime.now()
+        new_u_date = dt.datetime.fromtimestamp(int(data['result'][id]['reg_time']))
+        if new_u_date > u_date:
+            print("There is an update. Going to notify.")
+
+        with connection.cursor() as cursor:
+            # Create a new record
+            sql = "UPDATE url SET last_check = %s, u_date = %s WHERE link =  %s"
+            cursor.execute(sql, (
+                last_check.strftime('%Y-%m-%d %H:%M:%S'),
+                new_u_date.strftime('%Y-%m-%d %H:%M:%S'),
+                 id))
+        connection.commit()        
+
+try:
+    with connection.cursor() as cursor:
+        # Read a single record
+        sql = "SELECT * FROM url WHERE last_check < DATE_SUB(NOW(), INTERVAL %s)" % interval
+        cursor.execute(sql)
+        result = cursor.fetchall()
+        for line in result:
+            print('Going to check %s. Last check was at %s' % (line['link'], line['last_check']))
+            check_updates(line['link'], line['u_date'])
+finally:
+    connection.close()