Uploading with Poster

gistfile1.txt

import os
import urllib2, poster.streaminghttp
from poster.encode import multipart_encode

opener = poster.streaminghttp.register_openers()

def upload(filename, url, key='file', user_agent='HTTP Uploader', callback=None):
	with open(filename, 'rb') as to_upload:
		datagen, headers = multipart_encode({key: to_upload}, cb=callback)
	req = urllib2.Request(url, datagen, headers)
	return urllib2.urlopen(req).read()