agri_xumu/tool.py

89 lines
3.0 KiB
Python
Executable File

import json
import subprocess
from config import info_topic
# 统一返回
def publish_payload(code, msg):
return json.dumps({
"code": code,
"msg": msg
}, ensure_ascii=False)
def exception_handler(func):
def wrapper(*args, **kwargs):
try:
return func(*args, **kwargs)
except Exception as e:
print(f"函数{func.__name__}中发生了异常:{e}")
return wrapper
def push_stream(client):
p = subprocess.Popen(['/bin/bash /home/pi/lot_manager/bash/start_push_stream.sh'],
shell=True,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
out, err = p.communicate()
output = out.decode('utf-8').strip()
client.publish(info_topic, payload=publish_payload(200, output), qos=0)
def close_stream(client):
p = subprocess.Popen(['/bin/bash /home/pi/lot_manager/bash/stop_push_stream.sh'],
shell=True,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
out, err = p.communicate()
output = out.decode('utf-8').strip()
client.publish(info_topic, payload=publish_payload(code=200, msg=output), qos=0)
def exec_sh(msg, client):
origin_data = json.loads(msg.payload.decode('utf-8'))
if 'data' not in origin_data:
client.publish(info_topic, payload=publish_payload(code=404, msg='data must be supplied'), qos=0)
return
cmd = origin_data["data"]
if cmd in ["supervisorctl stop __mqtt__",
"supervisorctl restart __mqtt__",
"supervisorctl stop all"]:
return
if cmd == "supervisorctl reload":
client.publish(info_topic, payload=publish_payload(code=200, msg='reloading'), qos=0)
subprocess.Popen([cmd], shell=True)
return
p = subprocess.Popen([cmd], shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
out, err = p.communicate()
output = out.decode('utf-8').strip()
client.publish(info_topic, payload=publish_payload(code=200, msg=output), qos=0)
def get_status(client):
p = subprocess.Popen(['supervisorctl status'],
shell=True,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
out, err = p.communicate()
output = out.decode('utf-8').strip()
client.publish(info_topic, payload=publish_payload(code=200, msg=output), qos=0)
def update(client):
p = subprocess.Popen(['/bin/bash /home/pi/lot_manager/git_update.sh'],
shell=True,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
out, err = p.communicate()
output = out.decode('utf-8').strip()
client.publish(info_topic, payload=publish_payload(code=200, msg=output),
qos=0)
def reload(client):
client.publish(info_topic, payload=publish_payload(200, "reloading"), qos=0)
subprocess.Popen(['supervisorctl reload'], shell=True)