python3下实现搜狗AI API的代码示例

# -*- coding: utf-8 -*-'''create by : joshua zoucreate date : 2018.4.9Purpose: check sougou ai api'''import glob,osfrom SougouAPIMsg import *#改成你自己搜狗AI的APPID、APPKEY、SecretKeyAppID = '0000'ApiKey = '*********'SecretKey= '0PLvS-AHShmq**************'if __name__ == "__main__":  sg = SougouAPIMsg(AppID,ApiKey,SecretKey)  for file in glob.glob('D:/python/*.jpg'):    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 zoucreate date : 2018.4.9Purpose: check sougou ai api'''import requestsimport base64import hashlibimport hmacimport timefrom urllib import parseimport jsonfrom 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";  $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'),  );    $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)