114 lines
4.3 KiB
Python
114 lines
4.3 KiB
Python
from threading import Thread
|
|
import traceback
|
|
import requests
|
|
from apps.utils.errors import DH_REQUEST_ERROR
|
|
from apps.utils.tools import print_roundtrip
|
|
from server import settings
|
|
import json
|
|
import time
|
|
from rest_framework.exceptions import APIException, ParseError
|
|
import os
|
|
requests.packages.urllib3.disable_warnings()
|
|
|
|
class DhClient:
|
|
"""
|
|
大华
|
|
"""
|
|
|
|
def __init__(self, client_id= settings.DAHUA_CLIENTID
|
|
, client_secret = settings.DAHUA_SECRET) -> None:
|
|
if not settings.DAHUA_ENABLED:
|
|
return None
|
|
self.client_id = client_id
|
|
self.client_secret = client_secret
|
|
self.headers = {}
|
|
self.isGetingToken = False
|
|
self.isRuning = True
|
|
self.t = None # 线程
|
|
self.setup()
|
|
|
|
def _get_token_loop(self):
|
|
while self.isRuning:
|
|
params = {
|
|
'grant_type': 'client_credentials',
|
|
'client_id': self.client_id,
|
|
'client_secret': self.client_secret
|
|
}
|
|
r = requests.post(params=params, url=settings.DAHUA_BASE_URL + '/evo-apigw/evo-oauth/oauth/token', verify=False)
|
|
ret = r.json()
|
|
if ret['success']:
|
|
self.headers['Authorization'] = 'bearer ' + ret['data']['access_token']
|
|
self.headers['User-Id'] = '1'
|
|
time.sleep(3600)
|
|
|
|
def get_token(self):
|
|
self.isGetingToken = True
|
|
params = {
|
|
'grant_type': 'client_credentials',
|
|
'client_id': self.client_id,
|
|
'client_secret': self.client_secret
|
|
}
|
|
r = requests.post(params=params, url=settings.DAHUA_BASE_URL + '/evo-apigw/evo-oauth/oauth/token', verify=False)
|
|
ret = r.json()
|
|
if ret['success']:
|
|
self.headers['Authorization'] = 'bearer ' + ret['data']['access_token']
|
|
self.headers['User-Id'] = '1'
|
|
self.isGetingToken = False
|
|
|
|
def setup(self):
|
|
t = Thread(target=self._get_token_loop, args=(), daemon=True)
|
|
t.start()
|
|
|
|
def __del__(self):
|
|
"""
|
|
自定义销毁
|
|
"""
|
|
self.isRuning = False
|
|
# self.t.join()
|
|
|
|
def request(self, url:str, method:str, params=dict(), json=dict(), timeout=10, file_path_rela=None, raise_exception=True):
|
|
if self.isGetingToken:
|
|
req_num = 0
|
|
while True:
|
|
time.sleep(0.5)
|
|
if not self.isGetingToken:
|
|
self.request(url, method, params, json, timeout, file_path_rela, raise_exception)
|
|
req_num = req_num + 1
|
|
if req_num > 4:
|
|
break
|
|
else:
|
|
files = None
|
|
if file_path_rela: # 相对路径
|
|
files = {'file': open(settings.BASE_DIR + file_path_rela, 'rb')}
|
|
try:
|
|
if params:
|
|
url = url.format(**params)
|
|
r = getattr(requests, method)('{}{}'.format(settings.DAHUA_BASE_URL, url)
|
|
, headers = self.headers, params=params, json=json, timeout=timeout, files=files, verify=False)
|
|
except:
|
|
if raise_exception:
|
|
raise APIException(**DH_REQUEST_ERROR)
|
|
return 'error', DH_REQUEST_ERROR
|
|
# if settings.DEBUG:
|
|
# print_roundtrip(r)
|
|
if r.status_code == 200:
|
|
"""
|
|
请求成功
|
|
"""
|
|
ret = r.json()
|
|
if ret.get('code') == '27001007':
|
|
self.get_token() # 重新获取token
|
|
self.request(url, method, params, json, timeout, file_path_rela, raise_exception)
|
|
else:
|
|
if ret['code'] not in ['0', '100', '00000', '1000', 0, 100, 1000]:
|
|
detail = '大华错误:' + '{}|{}{}'.format(str(ret['code']), ret.get('errMsg',''), ret.get('desc', ''))
|
|
err_detail = dict(detail=detail, code='dh_'+str(ret['code']))
|
|
if raise_exception:
|
|
raise ParseError(**err_detail)
|
|
return 'fail', dict(detail=detail, code='dh_'+str(ret['code']))
|
|
return 'success', ret['data'] if 'data' in ret else None
|
|
if raise_exception:
|
|
raise APIException(**DH_REQUEST_ERROR)
|
|
return 'error', DH_REQUEST_ERROR
|
|
|
|
dhClient = DhClient() |