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<e                 @   s4   d dl Zd dlZdgZejj ZG dd deZdS )    NPluginLoaderc                   sF   e Zd ZdddgZdd Z fddZdd	 Zd
d Zdd Z  Z	S )r   
_namespace_prefix
_interfacec             C   s
   t  dS )z~
		This method has to be implemented in child class and should
		set _namespace, _prefix, and _interface member attributes.
		N)NotImplementedError)self r   #/usr/lib/python3.6/plugin_loader.py_set_loader_parameters   s    z#PluginLoader._set_loader_parametersc                sn   t t| j  d | _d | _d | _| j  t| jtks:t	t| jtksLt	t| jtkrft
| jtsjt	d S )N)superr   __init__r   r   r   r
   typestrAssertionError
issubclassobject)r   )	__class__r   r	   r      s    zPluginLoader.__init__c             C   s,   t |tkstd| j| j|f }| j|S )Nz%s.%s%s)r   r   r   r   r   
_get_class)r   Zplugin_namemodule_namer   r   r	   load_plugin   s    zPluginLoader.load_pluginc             C   s   t jd|  t|}|jd}|jd x t|dkrJt||jd}q,W x4|jD ]*}t||}t|tkrTt	|| j
rT|S qTW tdd S )Nzloading module %s.r   zCannot find the plugin class.)logdebug
__import__splitpoplengetattr__dict__r   r   r   ImportError)r   r   modulepathnameclsr   r   r	   r   "   s    


zPluginLoader._get_classc             C   s   t | j}g }xvtj|jjd D ]`}yFtjj|d }|jdsDw"| j	d| j|f }||krj|j
| W q" tk
r   Y q"X q"W |S )Nr   Zplugin_z%s.%s)r   r   oslistdirZplugins__path__r!   splitext
startswithr   appendr   )r   Zplugins_packageZplugin_clssr   Zplugin_classr   r   r	   load_all_plugins2   s    


zPluginLoader.load_all_plugins)
__name__
__module____qualname__	__slots__r
   r   r   r   r*   __classcell__r   r   )r   r	   r      s   
)	Z
tuned.logsZtunedr$   __all__Zlogsgetr   r   r   r   r   r   r	   <module>   s   
