def extract(self, filename) -> None:
with open(filename, 'rb') as f: # type: ignore
t = utar.TarFile(f)
for i in t:
if i.Type is utar.Type.DIR:
self._writeTarItemAsDir(i)
continue
self._writeTarItemToFile(i)
def check_over_ip(node_type):
""" tcp/ip stage of checking of OTA"""
try:
resp = url_open("http://10.11.12.13:1415/%s/version.txt" % node_type)
except (OSError, CheckTimeoutError):
blink("no version found")
return False
remote_version = resp.read().decode("utf-8").strip()
blink("remote version = %s" % remote_version)
try:
local_version = open(".otaversion").read().strip()
except OSError:
blink("no local version found")
local_version = ""
blink("local_version = %s remote_version=%s" %
(local_version, remote_version))
if local_version == remote_version:
blink("skipping")
return False
blink("doing OTA")
resp = url_open("http://10.11.12.13:1415/%s/%s.tar" %
(node_type, remote_version))
ftar = utarfile.TarFile(fileobj=resp)
meta = install_tar(ftar)
fver = open(".otaversion", "wb")
fver.write(remote_version)
fver.close()
del fver
del resp
del ftar
del meta
blink("OTA PERFORMED, doing reboot")
machine.reset()
def run(src,dest_dir):
t = utarfile.TarFile(src)
prefix=dest_dir
for i in t:
i.name=i.name.rstrip('/')
print(i,i.name)
i.name=prefix+i.name
print(i.name)
if i.type == utarfile.DIRTYPE:
try:
os.mkdir(i.name)
except OSError as e:
if e.args[0] != errno.EEXIST and e.args[0] != errno.EISDIR:
raise e
else:
f = t.extractfile(i)
print(i.name)
shutil.copyfileobj(f, open(i.name, "wb+"))
def unpack(self, path):
os.chdir(self._tmp_dir)
t = utarfile.TarFile(path)
for i in t:
print(i)
if i.type == utarfile.DIRTYPE:
os.mkdir(i.name)
else:
shutil.create_folders_if_needed(self._tmp_dir + os.sep +
i.name)
src = t.extractfile(i)
dst = open(i.name, "wb")
shutil.copyfileobj(src, dst)
dst.close()
os.sync()
gc.collect()
os.unlink(path)
os.chdir('/flash')
print('firmware unpacked to {}'.format(self._tmp_dir))
lan = network.LAN(mdc = machine.Pin(23), mdio = machine.Pin(18), power=machine.Pin(12), phy_type = network.PHY_LAN8720, phy_addr=0, clock_mode=network.ETH_CLOCK_GPIO17_OUT)
lan.active(True)
timer = 0
while not lan.isconnected():
timer += 1
if timer > 300000: # Well, this is sketchy AF
raise Exception ("Network took too long")
sleep_ms(5000)
upip.install("micropython-uasyncio")
upip.install("micropython-uasyncio.queues")
upip.install("micropython-utarfile")
if "tmp" not in os.listdir():
os.mkdir("tmp")
if "firmware" not in os.listdir():
os.mkdir("firmware")
import utarfile
for fn in os.listdir():
if fn.endswith(".tar"):
t = utarfile.TarFile(fn)
for i in t:
print(i)
if i.type == utarfile.DIRTYPE:
os.mkdir(i.name)
else:
tf = t.extractfile(i)
with open(i.name, "wr") as f:
f.write(tf.read())
import sys
import os
import shutil
import utarfile
t = utarfile.TarFile(sys.argv[1])
for i in t:
print(i)
if i.type == utarfile.DIRTYPE:
os.makedirs(i.name)
else:
f = t.extractfile(i)
shutil.copyfileobj(f, open(i.name, "wb"))