download.py 文件源码

def _copy_file(filename, location, content_type, link):
    copy = True
    download_location = os.path.join(location, link.filename)
    if os.path.exists(download_location):
        response = ask_path_exists(
            'The file %s exists. (i)gnore, (w)ipe, (b)ackup ' %
            display_path(download_location), ('i', 'w', 'b'))
        if response == 'i':
            copy = False
        elif response == 'w':
            logger.warn('Deleting %s' % display_path(download_location))
            os.remove(download_location)
        elif response == 'b':
            dest_file = backup_dir(download_location)
            logger.warn('Backing up %s to %s'
                        % (display_path(download_location), display_path(dest_file)))
            shutil.move(download_location, dest_file)
    if copy:
        shutil.copy(filename, download_location)
        logger.notify('Saved %s' % display_path(download_location))