Fixed issues with new python mysql drivers. A default value was changed in a...

Fixed issues with new python mysql drivers. A default value was changed in a new version. We set it now by default to the old True value

Monitor/functions.py

@@ -6,7 +6,7 @@ import getpass
 import inspect
 import pickle
 
-from sqlalchemy.exc import StatementError
+from sqlalchemy.exc import StatementError, InvalidRequestError
 
 from Monitor.main import Instruments, db
 from copy import copy
@@ -99,6 +99,9 @@ def update_db(instrument, update_fromWeb=False, pars=None):
         except StatementError:
             # Do nothing if database is not responding
             return None
+        except InvalidRequestError:
+            db.session.rollback()
+            db.session.close()
     else:
         # No database mode
         pass

Monitor/main.py

@@ -53,6 +53,7 @@ cryo_url = ("mysql+mysqlconnector://{username}:" +
     databasename='Cryostats')
 app.config['SQLALCHEMY_DATABASE_URI'] = devices_url
 app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
+app.config['SQLALCHEMY_ENGINE_OPTIONS'] = {'connect_args': {'use_pure': True}}
 app.config['SQLALCHEMY_BINDS'] = {
     'cryostats': cryo_url,
     'devices': devices_url