utils.py 文件源码

def load_plugins(logger, plugins, pluginpath):
    def load_plugin(name):
        logger.debug('Loading plugin %s' % name)
        fp, pathname, description = imp.find_module(name, [pluginpath])
        try:
            return imp.load_module(name, fp, pathname, description)
        finally:
            if fp:
                fp.close()

    logger.debug('Loading plugins from %s...' % pluginpath)

    expanded = (glob.glob(os.path.join(pluginpath, '*' + ext))
                for ext in python_extensions)
    files = itertools.chain.from_iterable(expanded)
    names = set(os.path.splitext(os.path.basename(fn))[0] for fn in files)
    for name in names:
        if name != '__init__':
            plugin = load_plugin(name)
            if hasattr(plugin, 'plugin_init'):
                obj = plugin.plugin_init(plugins)
                plugins.append(obj or plugin)
            else:
                plugins.append(plugin)