因爲自學 python 工作中會經常用到淘寶Api調用數據 一直以來後臺下載的淘寶Api 都是2.7版本
還是12年 lihao同學編寫，一直沒有升級
用Python 自帶的2to3腳本工具升級後 大部分接口 調用正常
但是上傳圖片接口 一直提示錯誤
由於是初學 只能網上找資料了 找了很多資料 都沒解決
最後通過國外友人的一篇博客 找到了解決方法
在這裏分享一下 希望能幫助其他人 只要替換 base.py 代碼就可以 初步測試調用接口 都能成功
# -*- coding: utf-8 -*-
'''
Created on 2012-7-3
@author: lihao
'''
try: import httplib
except ImportError:
import http.client as httplib
import urllib
import time
import hashlib
import json
import top
import itertools
import mimetypes
import requests
'''
定義一些系統變量
'''
SYSTEM_GENERATE_VERSION = "taobao-sdk-python-20191017"
P_APPKEY = "app_key"
P_API = "method"
P_SESSION = "session"
P_ACCESS_TOKEN = "access_token"
P_VERSION = "v"
P_FORMAT = "format"
P_TIMESTAMP = "timestamp"
P_SIGN = "sign"
P_SIGN_METHOD = "sign_method"
P_PARTNER_ID = "partner_id"
P_CODE = 'code'
P_SUB_CODE = 'sub_code'
P_MSG = 'msg'
P_SUB_MSG = 'sub_msg'
N_REST = '/router/rest'
def sign(secret, parameters):
#===========================================================================
# '''簽名方法
# @param secret: 簽名需要的密鑰
# @param parameters: 支持字典和string兩種
# '''
#===========================================================================
# 如果parameters 是字典類的話
if hasattr(parameters, "items"):
parameters = "%s%s%s" % (secret,
str().join('%s%s' % (key, parameters[key]) for key in sorted(parameters)),
secret)
print(parameters)
m = hashlib.md5()
m.update(parameters.encode("utf-8"))
sign = m.hexdigest().upper()
print(sign)
return sign
class FileItem(object):
def __init__(self,filename=None,content=None):
self.filename = filename
self.content = content
class MultiPartForm(object):
"""Accumulate the data to be used when posting a form."""
def __init__(self):
self.form_fields = {}
self.files = {}
self.boundary = "PYTHON_SDK_BOUNDARY"
return
def get_content_type(self):
return 'multipart/form-data; boundary=%s' % self.boundary
def add_field(self, name, value):
"""Add a simple field to the form data."""
self.form_fields[name]=value
return
def add_file(self, fieldname, filename, fileHandle, mimetype=None):
"""Add a file to be uploaded."""
self.files[fieldname]=(filename, fileHandle)
return
def __str__(self):
"""Return a string representing the form data, including attached files."""
# Build a list of lists, each containing "lines" of the
# request. Each part is separated by a boundary string.
# Once the list is built, return a string where each
# line is separated by '\r\n'.
parts = []
part_boundary = '--' + self.boundary
# Add the form fields
parts.extend(
[ part_boundary,
'Content-Disposition: form-data; name="%s"' % name,
'Content-Type: text/plain; charset=UTF-8',
'',
value,
]
for name, value in self.form_fields
)
# Add the files to upload
parts.extend(
[ part_boundary,
'Content-Disposition: file; name="%s"; filename="%s"' % \
(field_name, filename),
'Content-Type: %s' % content_type,
'Content-Transfer-Encoding: binary',
'',
body,
]
for field_name, filename, content_type, body in self.files
)
# Flatten the list and add closing boundary marker,
# then return CR+LF separated data
flattened = list(itertools.chain(*parts))
flattened.append('--' + self.boundary + '--')
flattened.append('')
return '\r\n'.join(flattened)
class TopException(Exception):
#===========================================================================
# 業務異常類
#===========================================================================
def __init__(self):
self.errorcode = None
self.message = None
self.subcode = None
self.submsg = None
self.application_host = None
self.service_host = None
def __str__(self, *args, **kwargs):
sb = "errorcode=" + self.errorcode +\
" message=" + self.message +\
" subcode=" + self.subcode +\
" submsg=" +self.submsg +\
" application_host=" +self.application_host +\
" service_host=" +self.service_host
return sb
class RequestException(Exception):
#===========================================================================
# 請求連接異常類
#===========================================================================
pass
class RestApi(object):
#===========================================================================
# Rest api的基類
#===========================================================================
def __init__(self, domain='gw.api.taobao.com', port = 80):
#=======================================================================
# 初始化基類
# Args @param domain: 請求的域名或者ip
# @param port: 請求的端口
#=======================================================================
self.__domain = domain
print(domain)
self.__port = port
self.__httpmethod = "POST"
if(top.getDefaultAppInfo()):
self.__app_key = top.getDefaultAppInfo().appkey
self.__secret = top.getDefaultAppInfo().secret
def get_request_header(self):
return {
'Content-type': 'application/x-www-form-urlencoded;charset=UTF-8',
"Cache-Control": "no-cache",
"Connection": "Keep-Alive",
}
def set_app_info(self, appinfo):
#=======================================================================
# 設置請求的app信息
# @param appinfo: import top
# appinfo top.appinfo(appkey,secret)
#=======================================================================
self.__app_key = appinfo.appkey
self.__secret = appinfo.secret
def getapiname(self):
return ""
def getMultipartParas(self):
return [];
def getTranslateParas(self):
return {};
def _check_requst(self):
pass
def getResponse(self, authrize=None, timeout=30):
if 'http://' not in self.__domain:
self.__domain = 'http://' + self.__domain
#=======================================================================
# 獲取response結果
#=======================================================================
sys_parameters = {
P_FORMAT: 'json',
P_APPKEY: self.__app_key,
P_SIGN_METHOD: "md5",
P_VERSION: '2.0',
P_TIMESTAMP: str(int(time.time()) * 1000),
P_PARTNER_ID: SYSTEM_GENERATE_VERSION,
P_API: self.getapiname(),
}
if authrize is not None:
sys_parameters[P_SESSION] = authrize
application_parameter = self.getApplicationParameters()
sign_parameter = sys_parameters.copy()
sign_parameter.update(application_parameter)
sys_parameters[P_SIGN] = sign(self.__secret, sign_parameter)
url = self.__domain + N_REST + "?" + urllib.parse.urlencode(sys_parameters)
header = self.get_request_header();
if(self.getMultipartParas()):
form = MultiPartForm()
for key, value in application_parameter.items():
form.add_field(key, value)
for key in self.getMultipartParas():
fileitem = getattr(self,key)
if(fileitem and isinstance(fileitem,FileItem)):
form.add_file(key,fileitem.filename,fileitem.content)
header['Content-type'] = form.get_content_type()
response = requests.post(url, data=form.form_fields, files=form.files)
else:
response = requests.post(url, data=application_parameter,headers=header)
print(response.status_code)
if response.status_code is not 200:
raise RequestException('invalid http status ' + str(response.status) + ',detail body:' + response.read())
result = response.text
print(result)
jsonobj = json.loads(result)
if jsonobj.get("error_response"):
error = TopException()
if jsonobj["error_response"].get(P_CODE) :
error.errorcode = jsonobj["error_response"][P_CODE]
if jsonobj["error_response"].get(P_MSG) :
error.message = jsonobj["error_response"][P_MSG]
if jsonobj["error_response"].get(P_SUB_CODE) :
error.subcode = jsonobj["error_response"][P_SUB_CODE]
if jsonobj["error_response"].get(P_SUB_MSG) :
error.submsg = jsonobj["error_response"][P_SUB_MSG]
print(response.headers)
error.application_host = response.headers.get("Application-Host", "")
error.service_host = response.headers.get("Location-Host", "")
raise error
return jsonobj
def getApplicationParameters(self):
application_parameter = {}
for key, value in self.__dict__.items():
if not key.startswith("__") and not key in self.getMultipartParas() and not key.startswith("_RestApi__") and value is not None :
if(key.startswith("_")):
application_parameter[key[1:]] = value
else:
application_parameter[key] = value
#查詢翻譯字典來規避一些關鍵字屬性
translate_parameter = self.getTranslateParas()
for key, value in application_parameter.items():
if key in translate_parameter:
application_parameter[translate_parameter[key]] = application_parameter[key]
del application_parameter[key]
return application_parameter