Collate output in Python logging MemoryHandler with SMTPHandler

Question

I have the logging module MemoryHandler set up to queue debug and error messages for the SMTPHandler target. What I want is for an email to be sent when the process errors t

Answer 1

For this purpose I use the BufferingSMTPHandler suggested by Vinay Sajip with one minor tweak: I set the buffer length to something really big (say 5000 log records) and manualy call the flush method of the handler every some seconds and after checking for internet conectivity.

# init
log_handler1 = BufferingSMTPHandler(
    'smtp.host.lala', "from@test.com", ['to@test.com'], 'Log event(s)',5000)
...
logger.addHandler(log_handler1)
...

# main code
...
if internet_connection_ok and seconds_since_last_flush>60:
    log_handler1.flush() # send buffered log records (if any)