client.py 文件源码

def encode_file(boundary, key, file):
    to_bytes = lambda s: force_bytes(s, settings.DEFAULT_CHARSET)
    filename = os.path.basename(file.name) if hasattr(file, 'name') else ''
    if hasattr(file, 'content_type'):
        content_type = file.content_type
    elif filename:
        content_type = mimetypes.guess_type(filename)[0]
    else:
        content_type = None

    if content_type is None:
        content_type = 'application/octet-stream'
    if not filename:
        filename = key
    return [
        to_bytes('--%s' % boundary),
        to_bytes('Content-Disposition: form-data; name="%s"; filename="%s"'
                 % (key, filename)),
        to_bytes('Content-Type: %s' % content_type),
        b'',
        to_bytes(file.read())
    ]