Overly complex Raspberry Pi LoRa Node pHAT python code to get up and running

_mapping.py

#!/usr/bin/env python3
# -*- coding: UTF-8 -*-

print('Starting...', flush=True)

import logging
logging.basicConfig(level=logging.DEBUG,
                    filename='/home/pi/lora/mapping.log',
                    filemode='a',
                    format='[%(asctime)s] %(message)s')
logging.debug('')
logging.debug('Starting.')

try:
    import pathlib
    route = 'joined.txt'
    path = pathlib.Path(route)
    joined = (path.exists() and path.is_file())

    import time
    from rak811 import Rak811, Mode
    lora = Rak811(event_timeout=10)

    while not joined:
        # noinspection PyBroadException
        try:
            print('HR', flush=True)
            logging.debug('HR')
            lora.hard_reset()

            lora.mode = Mode.LoRaWan
            lora.band = 'EU868'
            lora.set_config(dev_eui='00259C84D0BD9257',
                            app_eui='70B3D57ED001CCC8',
                            app_key='10FE906CB03567CD2F84B70CF72C082C')

            lora.join_otaa()
            joined = True
            print('J\t\t✅', flush=True)
            logging.debug('J\t\t✅')
            lora.dr = 5

            # create file
            path.open(mode="w+")

        except (KeyboardInterrupt, SystemExit):
            raise
        except:
            path.unlink()
            print('J\t\t❌', flush=True)
            logging.debug('J\t\t❌')

    sent = 0

    while True:
        # noinspection PyBroadException
        try:
            lora.send(str(sent))
            sent += 1
            print('M\t' + str(sent) + '\t✅', flush=True)
            logging.debug('M\t' + str(sent) + '\t✅')
            time.sleep(30)
        except (KeyboardInterrupt, SystemExit):
            raise
        except:
            print('M\t' + str(sent) + '\t❌', flush=True)
            logging.debug('M\t' + str(sent) + '\t❌')
            time.sleep(5)

    lora.close() # might never happen

except (KeyboardInterrupt, SystemExit):
    print('\nQuitting.', flush=True)
    logging.debug('Quitting.')
    exit()

mapping.log

[2019-07-14 14:45:29,835] 
[2019-07-14 14:45:29,837] Starting.
[2019-07-14 14:45:34,962] HR
[2019-07-14 14:45:40,050] J		✅
[2019-07-14 14:45:40,282] M	0	❌
[2019-07-14 14:45:41,816] Quitting.


[2019-07-14 14:45:43,033] 
[2019-07-14 14:45:43,035] Starting.
[2019-07-14 14:45:48,260] M	0	❌
[2019-07-14 14:45:49,754] Quitting.