def save_picture(form_picture):
random_hex = secrets.token_hex(8)
_, f_ext = os.path.splitext(form_picture.filename)
picture_fn = random_hex + f_ext
picture_path = os.path.join(app.root_path, 'static/profile_pics',
picture_fn)
output_size = (125, 125)
i = Image.open(form_picture)
i.thumbnail(output_size)
i.save(picture_path)
return picture_fn
