client.py

import httplib
import filedata


def post_multipart(host, selector, files):
    """
    Post files to an http host as multipart/form-data.
    files is a sequence of (name, filename, value) elements for data to be uploaded as files
    Return the server's response page.
    """
    content_type, body = encode_multipart_formdata(files)
    h = httplib.HTTP(host)
    h.putrequest('POST', selector)
    h.putheader('content-type', content_type)
    h.putheader('content-length', str(len(body)))
    h.endheaders()
    h.send(body)
    errcode, errmsg, headers = h.getreply()
    #print errcode, errmsg, headers
    data = h.file.read()
    h.close()
    return data


BOUNDARY = '----------ThIs_Is_tHe_bouNdaRY_$'
CRLF = '\r\n'


def encode_multipart_formdata(files):
    """
    files is a sequence of (name, filename, value) elements for data to be uploaded as files
    Return (content_type, body) ready for httplib.HTTP instance
    """
    datalines = []
    for (key, filename, value) in files:
        datalines.append('--' + BOUNDARY)
        datalines.append('Content-Disposition: form-data; name="%s"; filename="%s"' % (key, filename))
        datalines.append('Content-Type: application/octet-stream')
        datalines.append('')
        datalines.append(value)
    datalines.append('--' + BOUNDARY + '--')
    datalines.append('')
    body = CRLF.join(datalines)
    content_type = 'multipart/form-data; boundary=%s' % BOUNDARY
    return content_type, body


if __name__ == "__main__":
    files = [("b", "test.m4a", filedata.FILEDATA)]
    while True:
        try:
            body = post_multipart("localhost:9090", "/", files)
            print body
        except Exception as e:
            print e
        import time
        time.sleep(1)

filedata.py

import string

FILEDATA = "".join(letter * 512 for letter in string.ascii_letters)

server.py

import cgi
import filedata

# uwsgi --http :9090 --wsgi-file server.py
# This works: uwsgi --http :9090 --buffer-size 65536 --wsgi-file server.py


def application(environ, start_response):
    print("FILEDATA {!r}".format(filedata.FILEDATA[:12]))
    start_response('200 OK', [('Content-Type', 'text/html')])

    formdata = cgi.FieldStorage(environ=environ, fp=environ['wsgi.input'])
    if 'b' in formdata:
        file_data = formdata['b'].file.read()
        print("data {!r}".format(file_data[:12]))
        if file_data != filedata.FILEDATA:
            print("ERROR")
            return ["ERROR"]
        else:
            print("SUCCESS")
            return ["SUCCESS"]

    print("MISSING")
    return ["MISSING"]