improve sleep. add error logging to db

active_bots/telegrambot.py

@@ -89,7 +89,7 @@ class TelegramBot(Bot):
         try:
             for subscriber_id in user.get_telegram_subscribers():
                 tb.send_message(subscriber_id, text).wait()
-                sleep(0.1)
+                sleep(0.5)
         except Exception:
             logger.error('Error telegramming: ' + user.get_city() + ': '
                          + str(report.id), exc_info=True)

backend.py

@@ -34,15 +34,14 @@ if __name__ == '__main__':
         while True:
             for user in db.active_users:
                 for bot in bots:
-                    sleep(0.1)
+                    sleep(5)
                     reports = bot.crawl(user)
                     for status in reports:
-                        sleep(0.1)
                         if not user.is_appropriate(status):
                             logger.info("Inaproppriate message: %d %s %s" % (user.uid, status.author, status.text))
                             continue
                         for bot2 in bots:
-                            sleep(0.1)
+                            sleep(1)
                             bot2.post(user, status)
                             logger.info("Resent: %d %s %s" % (user.uid, status.author, status.text))
     except Exception:

db.py

@@ -25,12 +25,14 @@ class DB(object):
             try:
                 self.conn.commit()
                 break
-            except sqlite3.OperationalError:
+            except sqlite3.OperationalError as error:
                 # another thread may be writing, give it a chance to finish
-                sleep(0.1)
+                sleep(0.5)
+                logger.exception()
                 if time() - start_time > 5:
                     # if it takes this long, something is wrong
                     system("rcctl restart frontend_daemon")
+                    logger.warning("frontend_daemon is getting restarted")
                     self.conn.commit()
 
     def close(self):