examples/multiparttest.py

#!/usr/bin/env python3
import requests
import os.path
import json

FILE = '/home/marcsello/CommonStarling_102761_45.wav'
TAG = 'test'

# Files structure: (filename, data, content_type, headers)

files = {
	"soundFile": (os.path.basename(FILE), open(FILE,'rb').read(), 'audio/wave', {'Content-length' : os.path.getsize(FILE)}),
	"description" : (None, json.dumps({'tag' : TAG}), "application/json")
}

r = requests.post('http://localhost:5000/object', files=files)
r.raise_for_status()