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a s�hK � @ s� d dl Z d dlZd dlZd dlmZ d dlmZ d dlmZ ejrNd dl m Z dZ dZ ej dd d �Zejed �d d �Zeje d�dd�Zeedf d�dd�Zedd�dd�Zeed d�dd�ZG dd� deje e jd �Z G d d � d e ej �Z dS ) � N)� extension)� exceptions)�plugin)�optszkeystoneauth1.plugin)�get_available_plugin_names� get_available_plugin_loaders�get_plugin_loader�get_plugin_options� BaseLoader�PLUGIN_NAMESPACE�TT)� covariant)�ext�returnc C s t �t| jj�S )z<Read the value of available for whether to load this plugin.)�ty�cast�bool�obj� available�r � r ��/root/rpmbuild/BUILDROOT/imh-python39-modules-3.9.7-92.el8.x86_64/opt/imh-python/lib/python3.9/site-packages/keystoneauth1/loading/base.py�_auth_plugin_available( s r �r c C s t jttddd�} t| �� �S )z�Get the names of all the plugins that are available on the system. This is particularly useful for help and error text to prompt a user for example what plugins they may specify. :returns: A list of names. :rtype: frozenset T�� namespaceZ check_func�invoke_on_loadZpropagate_map_exceptions)� stevedore�EnabledExtensionManagerr r � frozenset�names��mgrr r r r - s �r �"BaseLoader[plugin.BaseAuthPluginT]c C s$ t jttddd�} t| �dd� ��S )z�Retrieve all the plugin classes available on the system. :returns: A dict with plugin entrypoint name as the key and the plugin loader as the value. :rtype: dict Tr c S s | j j| jfS �N)� entry_point�namer r r r r �<lambda>O � z.get_available_plugin_loaders.<locals>.<lambda>)r r r r �dict�mapr! r r r r ? s �r )r& r c C s@ zt jtd| d�}W n ty0 t�| ��Y n0 t�d|j�S )a3 Retrieve a plugin class by its entrypoint name. :param str name: The name of the object to get. :returns: An auth plugin class. :rtype: :py:class:`keystoneauth1.loading.BaseLoader` :raises keystoneauth1.exceptions.auth_plugins.NoMatchingPlugin: if a plugin cannot be created. T)r r r& r# ) r Z DriverManagerr � RuntimeErrorr ZNoMatchingPluginr r Zdriver)r& r" r r r r R s � r �opts.Optc C s t | ��� S )a@ Get the options for a specific plugin. This will be the list of options that is registered and loaded by the specified plugin. :returns: A list of :py:class:`keystoneauth1.loading.Opt` options. :raises keystoneauth1.exceptions.auth_plugins.NoMatchingPlugin: if a plugin cannot be created. )r � get_options)r& r r r r g s r c @ s� e Zd Zeeje d�dd��Zejed�dd�Z e j e d d�dd ��Z eed�d d ��Zejed�d d �Zejdgejf ejed�dd�ZdS )� _BaseLoaderr c C s t � �d S r$ )�NotImplementedError��selfr r r � plugin_classv s z_BaseLoader.plugin_class)�kwargsr c K s | j f i |��S )a� Create a plugin from the options available for the loader. Given the options that were specified by the loader create an appropriate plugin. You can override this function in your loader. This used to be specified by providing the plugin_class property and this is still supported, however specifying a property didn't let you choose a plugin type based upon the options that were presented. Override this function if you wish to return different plugins based on the options presented, otherwise you can simply provide the plugin_class property. Added 2.9 )r2 )r1 r3 r r r � create_pluginz s z_BaseLoader.create_pluginr, c C s g S )a Return the list of parameters associated with the auth plugin. This list may be used to generate CLI or config arguments. :returns: A list of Param objects describing available plugin parameters. :rtype: list r r0 r r r r- � s z_BaseLoader.get_optionsc C s dS )a+ Return if the plugin is available for loading. If a plugin is missing dependencies or for some other reason should not be available to the current system it should override this property and return False to exclude itself from the plugin list. :rtype: bool Tr r0 r r r r � s z_BaseLoader.availablec s4 � fdd�| � � D �}|r$t�|��| jf i � ��S )a Create a plugin from the arguments retrieved from get_options. A client can override this function to do argument validation or to handle differences between the registered options and what is required to create the plugin. c s& g | ] }|j r� �|j�d u r|�qS r$ )�required�get�dest��.0�o�r3 r r � <listcomp>� s �z1_BaseLoader.load_from_options.<locals>.<listcomp>)r- r ZMissingRequiredOptionsr4 )r1 r3 Zmissing_requiredr r; r �load_from_options� s � z _BaseLoader.load_from_options)�getterr3 r c sP � fdd�| � � D �D ](}||�}|dur4|�|�}|� |j< q| jf i � ��S )aK Load a plugin from getter function that returns appropriate values. To handle cases other than the provided CONF and CLI loading you can specify a custom loader function that will be queried for the option value. The getter is a function that takes a :py:class:`keystoneauth1.loading.Opt` and returns a value to load with. :param getter: A function that returns a value for the given opt. :type getter: callable :returns: An authentication Plugin. :rtype: :py:class:`keystoneauth1.plugin.BaseAuthPlugin` c 3 s | ]}|j � vr|V qd S r$ )r7 r8 r; r r � <genexpr>� r( z7_BaseLoader.load_from_options_getter.<locals>.<genexpr>N)r- �typer7 r= )r1 r> r3 �opt�valr r; r �load_from_options_getter� s z$_BaseLoader.load_from_options_getterN)�__name__� __module__� __qualname__�propertyr �Typer r2 �Anyr4 �abc�abstractmethod�listr- r r r= �CallablerC r r r r r. u s �r. )� metaclassc @ s e Zd ZdS )r N)rD rE rF r r r r r � r( r ) rJ �typingr r r Z keystoneauth1r r � TYPE_CHECKINGZkeystoneauth1.loadingr r �__all__�TypeVarr � Extensionr r � FrozenSet�strr r) r r rL r �Generic�ABCMetar. ZBaseAuthPluginTr r r r r �<module> s& � [
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