Python发送form-data请求及拼接form-data内容的方法

import urllib2

boundary='-------------------------7df3069603d6' 
data=[] 
data.append('--%s' % boundary) 
data.append('Content-Disposition: form-data; name="app_id"\r\n') 
data.append('xxxxxx') 
data.append('--%s' % boundary) 
data.append('Content-Disposition: form-data; name="version"\r\n') 
data.append('xxxxx') 
data.append('--%s' % boundary) 
data.append('Content-Disposition: form-data; name="platform"\r\n') 
data.append('xxxxx') 
data.append('--%s' % boundary) 
data.append('Content-Disposition: form-data; name="libzip"; filename="C:\Users\danwang3\Desktop\libmsc.zip"') 
data.append('Content-Type: application/octet-stream\r\n') 
 
fr=open('C:\Users\danwang3\Desktop\libmsc.zip') 
content=fr.read() 
data.append(content) 
print content 
fr.close() 
data.append('--%s--\r\n'%boundary) 
httpBody='\r\n'.join(data) 
 
print type(httpBody) 
print httpBody 
 
postDataUrl='http://xxxxxxxx' 
req=urllib2.Request(postDataUrl,data=httpBody) 

#Content-Disposition: form-data;name="app_id"


 123456

#-----------------------------7df23df2a0870

#Content-Disposition: form-data;name="version"

 

 2256

 -----------------------------7df23df2a0870

 Content-Disposition:form-data; name="platform"

 

 ios

 -----------------------------7df23df2a0870

 Content-Disposition: form-data;name="libzip";filename="C:\Users\danwang3\Desktop\libmsc.zip"

 Content-Type: application/x-zip-compressed

 ---------------------------7df23df2a0870—

files={'app_id':(None,'123456'),
  'version':(None,'2256'),
  'platform':(None,'ios'),
  'libzip':('libmsc.zip',open('C:\Users\danwang3\Desktop\libmsc.zip','rb'),'application/x-zip-compressed')
 }

response=requests.post(url,files=files)

Content-Disposition: form-data; name='name';filename=<filename>
Content-Type: <content type>
 
<file object>
--boundary

newCookie={}
newCookie['key1']='value1'
newCookie['key2]='value2'
newCookie['key3']='value3'

response=requests.post(url,cookies=newCookie)

#!\urs\bin\env python 
#encoding:utf-8    #设置编码方式  
  
from http2 import http 
import urllib 
 
def ReadFileAsContent(filename): 
  #print filename 
  try: 
    with open(filename, 'rb') as f: 
      filecontent = f.read() 
  except Exception, e: 
    print 'The Error Message in ReadFileAsContent(): ' + e.message  
    return '' 
  return filecontent 
 
 
def get_content_type(filename): 
  import mimetypes 
  return mimetypes.guess_type(filename)[0] or 'application/octet-stream' 
 
def isfiledata(p_str):  
  import re 
   
  r_c = re.compile("^f'(.*)'$") 
  rert = r_c.search(str(p_str)) 
  #rert = re.search("^f'(.*)'$", p_str) 
  if rert: 
    return rert.group(1) 
  else: 
    return None 
   
def encode_multipart_formdata(fields): 
  ''''' 
      该函数用于拼接multipart/form-data类型的http请求中body部分的内容 
      返回拼接好的body内容及Content-Type的头定义 
  ''' 
  import random 
  import os 
  BOUNDARY = '----------%s' % ''.join(random.sample('0123456789abcdef', 15)) 
  CRLF = '\r\n' 
  L = [] 
  for (key, value) in fields: 
    filepath = isfiledata(value) 
    if filepath: 
      L.append('--' + BOUNDARY) 
      L.append('Content-Disposition: form-data; name="%s"; filename="%s"' % (key, os.path.basename(filepath))) 
      L.append('Content-Type: %s' % get_content_type(filepath)) 
      L.append('') 
      L.append(ReadFileAsContent(filepath))  
    else: 
      L.append('--' + BOUNDARY) 
      L.append('Content-Disposition: form-data; name="%s"' % key) 
      L.append('') 
      L.append(value)  
  L.append('--' + BOUNDARY + '--') 
  L.append('') 
  body = CRLF.join(L) 
  content_type = 'multipart/form-data; boundary=%s' % BOUNDARY 
  return content_type, body 

form_data = [('gShopID','489'),("addItems", r"f'D:\case3guomei.xml'"), ('validateString', '92c99a2a36f47c6aa2f0019caa0591d2')] 
form_data_re = encode_multipart_formdata(form_data) 
print form_data_re