lot_manager/tool.py

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Python
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2023-12-27 18:10:39 +08:00
import json
import os
import subprocess
import threading
import requests
from config import mp4_path, post_record_list_url, post_record_url, 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
subprocess.Popen([cmd], shell=True)
# 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)
def get_list_record(client):
try:
data = {
"data": os.listdir(mp4_path)
}
r = requests.post(post_record_list_url, json=data)
client.publish(info_topic, payload=publish_payload(code=200, msg=str(r)), qos=0)
except:
pass
def up(msg, client):
try:
filename = json.loads(msg.payload.decode('utf-8'))["data"]
if filename is None or filename == '':
client.publish(info_topic, payload=publish_payload(code=404, msg='没有该文件'), qos=0)
return
files = {filename: open(os.path.join(mp4_path, filename), 'rb'), "Content-Type": "application/octet-stream"}
r = requests.post(post_record_url, files=files)
client.publish(info_topic, payload=publish_payload(code=200, msg=str(r)), qos=0)
except:
pass
def get_record(msg, client):
threading.Thread(target=up, args=(msg, client)).start()