Tasmota/tools/mqtt-file/upload-settings.py

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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
upload-settings.py - Upload Tasmota settings 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-settings.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
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mypassword = "" # Tasmota MQTT password
mytopic = "demo" # Tasmota MQTT topic
myfile = "Config_demo_9.5.0.2.dmp" # Tasmota Settings file name
myfiletype = 2 # Tasmota Settings file type
# **** End of User Configuration Section
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use_base64 = True
# Derive fulltopic from broker LWT message
mypublish = "cmnd/"+mytopic+"/fileupload"
mysubscribe = "stat/"+mytopic+"/FILEUPLOAD" # Case sensitive
Ack_flag = False
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Err_flag = False
file_id = 116 # 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
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global Err_flag
global file_chunk_size
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rcv_code = ""
rcv_id = 0
# print("Received message =",str(msg.payload.decode("utf-8")))
root = json.loads(msg.payload.decode("utf-8"))
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if "FileUpload" in root:
rcv_code = root["FileUpload"]
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if "Aborted" in rcv_code:
print("Error: Aborted")
Err_flag = True
return
if "MD5 mismatch" in rcv_code:
print("Error: MD5 mismatch")
Err_flag = True
return
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if "Started" in rcv_code:
return
if "Error" in rcv_code:
if "1" in rcv_code: print("Error: Wrong password")
else:
if "2" in rcv_code: print("Error: Bad chunk size")
else:
if "3" in rcv_code: print("Error: Invalid file type")
else: print("Error: "+rcv_code)
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Err_flag = True
return
if "Command" in root:
rcv_code = root["Command"]
if rcv_code == "Error":
print("Error: Command error")
Err_flag = True
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 Err_flag
timeout = 500
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while Ack_flag and Err_flag == False and timeout > 0:
time.sleep(0.01)
timeout = timeout -1
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if 0 == timeout:
print("Error: Timeout")
Err_flag = True
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
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client.publish(mypublish, "{\"Password\":\""+mypassword+"\",\"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:
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if wait_for_ack(): # We use Ack here
client.publish(mypublish, "0") # Abort any failed upload
Run_flag = False
else:
chunk = fo.read(file_chunk_size)
if chunk:
out_hash_md5.update(chunk) # Update hash
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if use_base64:
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+"\"}")
else:
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