import configparser
import sys
Import('env')

config = configparser.ConfigParser()
config.read("platformio.ini")

sign_cert = config.get('uploadconfig', 'sign_cert')

cert = ''

try:
	with open(sign_cert, 'r') as f:
		for line in f:
			cert += line.replace("\n", " ")
	env.Append(BUILD_FLAGS='\'-DPUBLIC_SIGN_KEY="' + cert + '"\'')
except FileNotFoundError:
	sys.stderr.write("No public key for signing found! Continuing without update support!\n")
	pass