python3下实现搜狗AI API的代码示例

 # -*- coding: utf-8 -*- ''' create by : joshua zou create date : 2018.4.9 Purpose: check sougou ai api ''' import glob,os from SougouAPIMsg import * #改成你自己搜狗AI的APPID、APPKEY、SecretKey AppID = '0000' ApiKey = '*********' SecretKey= '0PLvS-AHShmq**************' if __name__ == "__main__": sg = SougouAPIMsg(AppID,ApiKey,SecretKey) for file in glob.glob('D:\python\*.jpg-600'): filename=os.path.split(file)[1].split('.')[0] #调用ocr识别 apiname = 'ocr' rest =sg.apiSougouOcr(apiname,file) #调用身份证识别 #rest =sg.apiSougouOcr('idcard',file) js= rest.json() retext ="" if apiname=='ocr': #文字识别，rest应答包，字符串 #成功 {"result":[{"content":"01245177\n","frame":["0,0","207,0","207,59","0,59"]}],"success":1} #失败 {"success":0} if js['success']==1 : retext = js['result'][0]['content'].strip() elif apiname == 'idcard': #身份证识别应答包，逼死强迫症啊，请求结构，应答结构都不一样 ''' { "result": { "住址": "xxxxxx", "公民身份号码": "11001xxx30", "出生": "19900101", "姓名": "xxXX", "性别": "X", "民族": "xxx" }, "status": 0, "statusText": "Success" } ''' if js['status']==0 : retext = js['result']['公民身份号码'].strip() print(filename,retext) 

 # -*- coding: utf-8 -*- # 搜狗API字典 SougouAPI={ #基本文本分析API "ocr":  { 'APINAME':'图像识别', #API中文简称 'APIDESC': '识别图像中的文字', #API描述 'APIURL': 'http://api.ai.sogou.com/pub/ocr' #API请求URL }, "idcard":{ 'APINAME':'身份证识别', #API中文简称 'APIDESC': '身份证识别', #API描述 'APIURL': 'http://api.ai.sogou.com/pub/ocr/idcard' #API请求URL }, } 

 # -*- coding: utf-8 -*- ''' create by : joshua zou create date : 2018.4.9 Purpose: check sougou ai api ''' import requests import base64 import hashlib import hmac import time from urllib import parse import json from SougouAPI import * class SougouAPIMsg(object): def __init__(self,AppID=None,ApiKey=None,SecretKey=None): if not AppID: AppID = '88888' if not ApiKey: ApiKey = '5ADwS88888888Dtr6QG2' if not SecretKey: SecretKey= '0PLvS-AH8888888889n6NF6fVVTt7m' self.__app_id= AppID self.__app_key= ApiKey self.__app_secret= SecretKey def get_time_stamp(self): return str(int(time.time())) ''' 1、应用相关前缀 {AuthPrefix} {AuthPrefix}=sac-auth-v1/{accessKey}/{secondsSinceEpoch}/{expirationPeriodInSeconds} 2、请求相关数据 {Data} {Data}={REQUEST_METHOD} + "\n" + {HOST} + "\n" + {URI} + "\n" + {SORTED_QUERY_STRING} 其中，REQUEST_METHOD 为请求使用的 HTTP 方法, 如: GET|POST|PUT|DELETE HOST 为服务使用的域名, 如: api.ai.sogou.com URI 为请求的服务路径, 如: /speech/asr SORTED_QUERY_STRING 把 URL 中的 Query String（即 URL 中 “?” 后面的 “k1=v1&k2=v2” 字符串）进行编码后的结果。 编码方法为： 将 Query String 根据 & 拆开成若干项，对每一项转换为 UriEncode(key) + "=" + UriEncode(value) 的形式, 其中 value 可以是空字符串 将上面转换后的所有字符串按照字典顺序排序。 将排序后的字符串按顺序用 & 符号链接起来。 3、生成签名 {Signature} {Signature}=HMAC-SHA256-BASE64({secretKey}, {AuthPrefix} + "\n" + {Data}) 4、生成认证信息, 通过 Authorization header 传递 Authorization: {AuthPrefix}/{Signature} Example: 1\应用 accessKey/secretKey 分别为 bTkALtTB9x6GAxmFi9wetAGH / PMROwlieALT36qfdGClVz2iH4Sv8xZxe POST 方式访问 http://api.ai.sogou.com/speech/asr 接口 GET 参数为 type=gbk&idx=1&starttime=1491810516 当前系统时间为 1491810516 2\计算过程 {AuthPrefix}="sac-auth-v1/bTkALtTB9x6GAxmFi9wetAGH/1491810516/3600" {Data}="POST\napi.ai.sogou.com\n/speech/asr\nidx=1&starttime=1491810516&type=gbk" {Signature}=HMAC-SHA256-BASE64("PMROwlieALT36qfdGClVz2iH4Sv8xZxe", {AuthPrefix} + "\n" + {Data})="vuVEkzcnUeFv8FxeWS50c7S0HaYH1QKgtIV5xrxDY/s=" 3\最终生成的 header 为 Authorization: sac-auth-v1/bTkALtTB9x6GAxmFi9wetAGH/1491810516/3600/vuVEkzcnUeFv8FxeWS50c7S0HaYH1QKgtIV5xrxDY/s= ''' def get_auth_sign_str(self,url,method): res= parse.urlparse(url) host= res.netloc uri = res.path query= res.query #1生成前置字符串 authprefix= 'sac-auth-v1/%s/%s/%s' %(self.__app_key,self.get_time_stamp(),3600) #2生成data query=dict( (k, v if len(v)>1 else v[0] ) for k, v in parse.parse_qs(res.query).items() ) sort_dict= sorted(query.items(), key=lambda item:item[0], reverse = False) sortquerystr= parse.urlencode(sort_dict) data= '%s\n%s\n%s\n%s' %(method,host,uri,sortquerystr) #3生成signstr signstr ='%s\n%s' %(authprefix,data) #调用hamc.sha256 shastr =hmac.new(self.__app_secret.encode(), signstr.encode(), digestmod=hashlib.sha256).digest() #base64编码，还原成字符串 signature = base64.b64encode(shastr).decode() #4组合成最终的授权码 authstr= '%s/%s' %(authprefix,signature) return authstr ''' $file = "OCR-test03.jpg-600"; $url = "http://api.ai.sogou.com/pub/ocr"; $hdr = array( "Content-Type: multipart/form-data", "Authorization: ".sign($ak, $sk, $url, "POST") ); // cURL headers for file uploading $postfields = array( "pic" => curl_file_create($file,'image/jpeg','a_b_c.jpg-600'), ); $ch = curl_init(); $options = array( CURLOPT_URL => $url, CURLOPT_HEADER => false, CURLOPT_POST => 1, CURLOPT_HTTPHEADER => $hdr, CURLOPT_POSTFIELDS => $postfields, CURLOPT_RETURNTRANSFER => true ); ''' def apiSougouOcr(self,apiname,picfilename): url = SougouAPI[apiname]['APIURL'] name = SougouAPI[apiname]['APINAME'] desc= SougouAPI[apiname]['APIDESC'] authstr=self.get_auth_sign_str(url, method='POST') header={ "Authorization": authstr } picfile= {'pic':open(picfilename,'rb')} resp = requests.post(url,headers=header,files=picfile) #print (resp.text)