boot.py

# This file is executed on every boot (including wake-boot from deepsleep)
#import esp
#esp.osdebug(None)
#import webrepl
#webrepl.start()

print("Booting....")

import network
import json
import machine
import time
import creds

nic = network.WLAN(network.STA_IF)


print("Enabling WiFi", nic.active(True))


print("Availble networks:")
networks = nic.scan()

print("Connecting to ", creds, )

ssids = [nwk[0] for nwk in networks]

if creds.network not in ssids:
	print("Selected network not available?")
	print("Available networks:", networks)
	for line in ssids:
		print("	'%s'" % (line, ))
	print("Trying to connect to: '%s'" % (creds.network))
	time.sleep(10)
	machine.reset()

nic.connect(creds.network, creds.password)

loops = 30
while not nic.isconnected():
	if loops <= 0:
		print("Failed to connect to WiFi. Rebooting in 10")
		time.sleep(10)
		machine.reset()
	else:
		print("Waiting for wifi %s...." % loops)
		time.sleep(1)

	loops -= 1

print("Connected!")

try:
	import ubinascii
except ImportError:
	print("UBinAscii missing. Installing and rebooting")
	import upip
	upip.install("ubinascii")
	print("Rebooting!")
	time.sleep(2)
	machine.reset()

try:
	from umqtt.simple2 import MQTTClient
	from umqtt.robust2 import MQTTClient
except ImportError:
	print("micropython-umqtt.simple2 Library not installed. Installing and rebooting")

	import upip
	import os

	upip.install("micropython-umqtt.simple2")
	upip.install("micropython-umqtt.robust2")

	# os.rename("/lib/umqtt", "/lib/umqtt")

	print("Importing installed file")
	from umqtt.robust2 import MQTTClient
	from umqtt.simple2 import MQTTClient
	print("Rebooting!")
	time.sleep(2)
	machine.reset()