TTN migration script, see https://www.thethingsnetwork.org/forum/t/seamless-migration-from-staging-to-production-for-otaa-devices/6196

migrate.py

#!/usr/bin/env python3

import subprocess
import sys
import re
import os

ttnctl_staging = ["ttnctl-staging", "--ttn-account-server", "https://v1.account.thethingsnetwork.org"]
ttnctl_production = ["ttnctl"]
mapping = {}
id_prefix = 'meetstation-'

def run(ttnctl, args):
    print(' '.join(ttnctl + args))
    out = subprocess.check_output(ttnctl + args)
    out = out.decode('utf8')
    sys.stdout.write(out)
    return out

def find(out, field):
    matches = re.search("^ *" + field + ": *(.*)$", out, re.MULTILINE)
    if matches is None:
        raise Exception("Failed to find {} in output\n".format((field,)))
    return matches.group(1)

def migrate(dev_eui):
    out = run(ttnctl_staging, ['devices', 'info', dev_eui])
    app_eui = find(out, "AppEUI")
    app_key = find(out, "AppKey")

    if "DevAddr" in out:
        app_skey = find(out, "AppSKey")
        nwk_skey = find(out, "NwkSKey")
        dev_addr = find(out, "DevAddr")

    dev_id = id_prefix + str(int(dev_eui, 16))

    run(ttnctl_staging, ['devices', 'delete', dev_eui])
    if "DevAddr" in out:
        run(ttnctl_staging, ['devices', 'register', 'personalized', '--relax-fcnt', dev_addr, nwk_skey, app_skey])
        mapping[dev_addr] = dev_eui
    run(ttnctl_production, ['devices', 'register', dev_id, dev_eui, app_key])

try:
    for dev_eui in sys.argv[1:]:
        migrate(dev_eui)
except subprocess.CalledProcessError as e:
    sys.stdout.write(e.output.decode('utf8'))
    raise
finally:
    print("mapping = {")
    for (dev_addr, dev_eui) in mapping.items():
        print("  '00000000" + dev_addr + "': '" + dev_eui + "',")
    print("}")