import base64

@users_blueprint.route('/add-source', methods=['GET', 'POST'])
@ensure_authenticated
@user_authenticated
def add_user_resource():
    file = request.files['file']

    #file = request.files['file'].filename

    with open(file, "rb") as imageFile:
        str = base64.b64encode(imageFile.read())
        print str

#FileNotFoundError: [Errno 2] No such file or directory: 'Tulips.jpg'