utils.py 文件源码

def upload_file(self, folder, param):
        if request.method == 'POST':
            # check if the post request has the file part
            if param not in request.files:
                return None
            file = request.files[param]
            # if user does not select file, browser also submit a empty part without filename
            if not file or len(file.filename) == 0:
                return None
            if '.' in file.filename and file.filename.rsplit('.', 1)[1] == 'py':
                filename = secure_filename(file.filename)
                file.save(os.path.join(folder, filename))
                return filename