312 lines
10 KiB
Python
312 lines
10 KiB
Python
import logging
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import json
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import time
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from threading import Thread
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import traceback
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import uuid
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import requests
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from requests.exceptions import RequestException
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from django.conf import settings
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from rest_framework.exceptions import APIException, ParseError
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from apps.third.errors import DH_REQUEST_ERROR
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from apps.third.models import Tlog
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from apps.utils.my_rsa import encrypt_data
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from apps.utils.tools import convert_to_base64, print_roundtrip
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from django.utils.timezone import now
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from apps.third.tapis import dhapis
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from apps.utils.tools import singleton
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from django.core.cache import cache
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requests.packages.urllib3.disable_warnings()
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myLogger = logging.getLogger('log')
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@singleton
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class DhClient:
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"""
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大华
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"""
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def __init__(self):
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self.dahua_enabled = getattr(settings, 'DAHUA_ENABLED', False)
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if self.dahua_enabled:
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self.dahua_enabled = True
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self.client_id = settings.DAHUA_CLIENTID
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self.client_secret = settings.DAHUA_SECRET
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self.headers = {"Connection": "close"}
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self.isGetingToken = False
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self.log = {}
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# self._get_token()
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def _get_token(self):
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self.isGetingToken = True
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params = {
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'grant_type': 'client_credentials',
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'client_id': self.client_id,
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'client_secret': self.client_secret
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}
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is_ok, res = self.request(
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**dhapis['token_login'], params=params, raise_exception=False, timeout=10)
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if is_ok == 'success':
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cache.set('dh_token', res['access_token'], timeout=None)
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self.isGetingToken = False
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def request(self, url: str, method: str, params=dict(), json=dict(), timeout=120,
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file_path_rela=None, raise_exception=True):
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if not self.dahua_enabled:
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raise ParseError('大华对接未启用')
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self.headers['Authorization'] = 'bearer ' + cache.get('dh_token', '')
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self.headers['User-Id'] = '1'
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self.log = {"requested_at": now(), "id": uuid.uuid4(), "path": url, "method": method,
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"params": params, "body": json, "target": "dahua", "result": 10, "headers": self.headers}
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files = None
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if file_path_rela: # 相对路径
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files = {'file': open(settings.BASE_DIR + file_path_rela, 'rb')}
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if params:
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url = url.format(**params)
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self.log.update({"path": url})
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try:
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r = getattr(requests, method)('{}{}'.format(settings.DAHUA_BASE_URL, url),
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headers=self.headers, params=params, json=json,
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timeout=timeout, files=files, verify=False)
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# if settings.DEBUG:
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# print_roundtrip(r)
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ret = r.text
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if 300 > r.status_code >= 200:
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ret = r.json()
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if ret['code'] not in ['0', '100', '00000', '1000', 0, 100, 1000]:
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detail = '大华错误:' + \
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'{}|{}{}{}'.format(str(ret['code']), ret.get('errMsg', ''),
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ret.get('desc', ''), str(ret.get('data', '')))
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err_detail = dict(
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detail=detail, code='dh_'+str(ret['code']))
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self.handle_log(result='fail', response=ret)
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if raise_exception:
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raise ParseError(**err_detail)
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return 'fail', err_detail
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# self.handle_log(result='success', response=ret) # 成功的日志就不记录了
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return 'success', ret['data'] if 'data' in ret else None
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else:
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self.handle_log(result='error', response=ret)
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except RequestException:
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self.handle_log(result='error', errors=traceback.format_exc())
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if raise_exception:
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raise APIException(**DH_REQUEST_ERROR)
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return 'error', DH_REQUEST_ERROR
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def _get_response_ms(self):
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"""
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Get the duration of the request response cycle is milliseconds.
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In case of negative duration 0 is returned.
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"""
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response_timedelta = now() - self.log["requested_at"]
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response_ms = int(response_timedelta.total_seconds() * 1000)
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return max(response_ms, 0)
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def handle_log(self, result, response=None, errors=None):
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self.log.update({
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"result": result,
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"response": response,
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"response_ms": self._get_response_ms(),
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"errors": errors
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})
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Tlog(**self.log).save()
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def get_full_pic(self, path: str):
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"""返回完整访问地址
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"""
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return '{}/evo-apigw/evo-oss/{}?token={}'.format(settings.DAHUA_BASE_URL, path, cache.get('dh_token', ''))
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def snap(self, code: str, raise_exception:bool):
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"""摄像头实时截图
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Args:
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code (str): 视频通道编号
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返回完整访问地址
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"""
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json_data = {
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"deviceCode": "1000093",
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"operation": "generalJsonTransport"
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}
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if '$' in code:
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d_code_list = code.split('$')
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d_code = d_code_list[0]
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num = d_code_list[-1]
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json_data['deviceCode'] = d_code
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json_data['params'] = '{\"method\":\"dev.snap\",\"id\":123,\"params\":{\"DevID\":\"' + \
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str(d_code) + '\",\"DevChannel\":' + str(num) + \
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',\"PicNum\":1,\"SnapType\":1,\"CmdSrc\":0}}'
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is_ok, res = self.request(**dhapis['dev_snap'], json=json_data, raise_exception=raise_exception)
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if is_ok == 'success':
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res = json.loads(res)
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return self.get_full_pic(res['params']['PicInfo'])
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return None
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def get_password_token(self):
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_, res = self.request(**dhapis['oauth_key'])
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e_pwd = encrypt_data(settings.DAHUA_PASSWORD, res['publicKey'])
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res['public_key'] = res['publicKey']
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res['password'] = e_pwd
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res.update({
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"grant_type": "password",
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"username": settings.DAHUA_USERNAME,
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"client_id": settings.DAHUA_CLIENTID,
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"client_secret": settings.DAHUA_SECRET,
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})
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_, res2 = self.request(**dhapis['oauth_token'], json=res)
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return res2
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def face_search(self, path: str):
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"""人像库检索
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Args:
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path (str): 图片地址
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返回识别结果
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"""
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base64img = convert_to_base64(path)
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json_data = {
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"base64Img": base64img,
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"devType": 1,
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"deviceCodes": ["1000038"],
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"groupIds": ["100001"],
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"searchGroupType": 2,
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"threshold": "80"
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}
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_, res = self.request(**dhapis['face_search'], json=json_data)
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return res['pageData']
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# 返回的识别结果是从右往左
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"""
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"pageData": [
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{
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"id": null,
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"devId": "1000038",
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"channelId": null,
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"channelSeq": null,
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"channelName": null,
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"faceLibId": "1",
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"libImgUrl": "6ad010cf-ce45-11ec-9715-e4246c7d1635/20220805/63/dsf_8c2487c1-14a1-11ed-880a-e4246c7d1635_2551349_2624751.jpg",
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"faceImgUrl": null,
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"hitImgUrl": null,
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"identity": "342422199004040175",
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"name": "曹前明",
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"sex": "男",
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"nation": null,
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"bornYear": null,
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"age": null,
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"glasses": null,
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"fringe": null,
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"similarity": 99,
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"recTime": null,
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"mask": null,
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"beard": null,
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"glass": null,
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"maskStr": null,
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"beardStr": null,
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"glassStr": null,
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"featureStr": "其他 ",
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"groupName": "内部库1",
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"groupType": 3,
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"groupTypeStr": "内部库",
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"identityType": 1,
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"identityTypeStr": "身份证",
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"birthday": null,
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"searchGroupType": 2,
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"birthdayStr": "2022-07-14",
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"deviceName": "ivs服务器",
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"personCode": "123"
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},
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{
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"id": null,
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"devId": "1000038",
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"channelId": null,
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"channelSeq": null,
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"channelName": null,
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"faceLibId": "1",
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"libImgUrl": "6ad010cf-ce45-11ec-9715-e4246c7d1635/20220805/63/dsf_8c2487c1-14a1-11ed-880a-e4246c7d1635_2624751_2701750.jpg",
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"faceImgUrl": null,
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"hitImgUrl": null,
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"identity": "371324199502156548",
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"name": "石静",
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"sex": "女",
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"nation": null,
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"bornYear": null,
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"age": null,
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"glasses": null,
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"fringe": null,
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"similarity": 96,
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"recTime": null,
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"mask": null,
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"beard": null,
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"glass": null,
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"maskStr": null,
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"beardStr": null,
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"glassStr": null,
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"featureStr": "其他 ",
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"groupName": "内部库1",
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"groupType": 3,
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"groupTypeStr": "内部库",
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"identityType": 1,
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"identityTypeStr": "身份证",
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"birthday": null,
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"searchGroupType": 2,
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"birthdayStr": "2022-06-24",
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"deviceName": "ivs服务器",
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"personCode": "shijing"
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}
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]
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"""
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def face_bind(self):
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# 人像绑定到主库
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json_data = {
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"deptId": 1,
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"groupIdList": [settings.DAHUA_FACEGROUPID_1],
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"cascade": True
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}
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self.request(**dhapis['face_bind'], json=json_data)
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def face_deploy(self, minSim: int = 90):
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params = {
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"id": "001001001",
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"checkStat": "1",
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"type": "001;00_1;1",
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"capability": "1_00000000000000000000000100000000",
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"curCount": "0",
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"isDomain": 0
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}
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_, res = self.request(**dhapis['dev_tree'], params=params)
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for i in json.loads(res):
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json_data = {
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"minSimilarity": str(minSim),
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"dpMinSimilarity": minSim,
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"surveyType": ["1"],
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"groups": str(settings.DAHUA_FACEGROUPID_1),
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"chnId": i['id']
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}
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self.request(**dhapis['face_deploy'], json=json_data)
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def get_rtsp(self, code: str):
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"""获取rtsp流
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Args:
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code (str): 通道编号
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"""
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is_ok, res = self.request(**dhapis['video_rtsp'], json={"data": {"channelId": code,"dataType": "1","streamType": "1"}})
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if is_ok == 'success':
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if '|' in res['url']:
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urls = res['url'].split('|')
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for i in urls:
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if settings.DAHUA_HOST in i:
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return f"{i}?token={res['token']}"
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else:
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return f"{res['url']}?token={res['token']}"
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return None
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dhClient = DhClient()
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