Tasmota/tools/mqtt-file/upload-ota-201.py

143 lines
4.2 KiB
Python

#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
upload-ota-201.py - Upload Tasmota firmware file
Copyright (C) 2021 Theo Arends
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
Requirements:
- Python 3.x and Pip:
sudo apt-get install python3 python3-pip
pip3 install paho-mqtt json
Instructions:
Edit file and change parameters in User Configuration Section
Then execute command upload-ota-201.py
"""
import paho.mqtt.client as mqtt
import time
import base64
import hashlib
import json
# **** Start of User Configuration Section
broker = "domus1" # MQTT broker ip address or name
broker_port = 1883 # MQTT broker port
mytopic = "demo" # Tasmota MQTT topic
#myfile = "../../build_output/firmware/tasmota32.bin" # Tasmota esp32 firmware file name
myfile = "../../build_output/firmware/tasmota.bin.gz" # Tasmota esp8266 firmware file name
myfiletype = 1 # Tasmota firmware file type
# **** End of User Configuration Section
# Derive fulltopic from broker LWT message
mypublish = "cmnd/"+mytopic+"/fileupload"
mysubscribe = "stat/"+mytopic+"/FILEUPLOAD" # Case sensitive
Ack_flag = False
file_id = 114 # Even id between 2 and 254
file_chunk_size = 700 # Default Tasmota MQTT max message size
# The callback for when mysubscribe message is received
def on_message(client, userdata, msg):
global Ack_flag
global file_chunk_size
rcv_code = ""
rcv_id = 0
# print("Received message =",str(msg.payload.decode("utf-8")))
root = json.loads(msg.payload.decode("utf-8"))
if "Command" in root: rcv_code = root["Command"]
if rcv_code == "Error":
print("Error: Command error")
return
if "Id" in root: rcv_id = root["Id"]
if rcv_id == file_id:
if "MaxSize" in root: file_chunk_size = root["MaxSize"]
Ack_flag = False
def wait_for_ack():
global Ack_flag
timeout = 100
while Ack_flag and timeout > 0:
time.sleep(0.01)
timeout = timeout -1
if Ack_flag:
print("Error: Ack timeout")
return Ack_flag
client = mqtt.Client()
client.on_message = on_message
client.connect(broker, broker_port)
client.loop_start() # Start loop to process received messages
client.subscribe(mysubscribe)
time_start = time.time()
print("Uploading file "+myfile+" to "+mytopic+" ...")
fo = open(myfile,"rb")
fo.seek(0, 2) # os.SEEK_END
file_size = fo.tell()
fo.seek(0, 0) # os.SEEK_SET
client.publish(mypublish, "{\"File\":\""+myfile+"\",\"Id\":"+str("%3d"%file_id)+",\"Type\":"+str(myfiletype)+",\"Size\":"+str(file_size)+"}")
Ack_flag = True
out_hash_md5 = hashlib.md5()
Run_flag = True
while Run_flag:
if wait_for_ack(): # We use Ack here
Run_flag = False
else:
chunk = fo.read(file_chunk_size)
if chunk:
out_hash_md5.update(chunk) # Update hash
# base64_encoded_data = base64.b64encode(chunk)
# base64_data = base64_encoded_data.decode('utf-8')
# Message length used by Tasmota (FileTransferHeaderSize)
# client.publish(mypublish, "{\"Id\":"+str("%3d"%file_id)+",\"Data\":\""+base64_data+"\"}")
client.publish(mypublish+"201", chunk)
Ack_flag = True
else:
md5_hash = out_hash_md5.hexdigest()
client.publish(mypublish, "{\"Id\":"+str("%3d"%file_id)+",\"Md5\":\""+md5_hash+"\"}")
Run_flag = False
fo.close()
time_taken = time.time() - time_start
print("Done in "+str("%.2f"%time_taken)+" seconds")
client.disconnect() # Disconnect
client.loop_stop() # Stop loop