Example how to upload file to server using python, accept http multipart request. Work if uploaded file is less than 1.5 mb.

python_upload_1.py

import requests
def upload_file_to_gcs():
    url = 'http://127.0.0.1:8500/save-data-to-gcs/'
    f = {'file': ('Product_Master.csv', open('C:/Projects/bf/Product_Master.csv', 'rb')), 'file_name': 'Product_Master.csv'}
    r = requests.post(url, files=f)
    print r

upload_file_to_gcs()

def save_data_to_gcs(request):
    file_name = '/gs/bucket-name/' + request.FILES['file'].name # change bucket/object names to suit your needs
    writable_file_name = files.gs.create(file_name, mime_type='application/octet-stream',
                                     acl='public-read')
    with files.open(writable_file_name, 'a') as f:
        f.write(request.FILES['file'].read())
    files.finalize(writable_file_name)
    return HttpResponse('', mimetype='application/text')