Multipart form encoding and posting with urllib3
问题 I'm attempting to upload a csv file to this site. However, I've encountered a few issues, and I think it stems from the incorrect mimetype (maybe). I'm attempting to manually post the file via urllib2 , so my code looks as follows: import urllib import urllib2 import mimetools, mimetypes import os, stat from cStringIO import StringIO #============================ # Note: I found this recipe online. I can't remember where exactly though.. #============================= class Callable: def _