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RS( s‡ Base class for plugins.
These plugins only do one thing: identify cruft. See the 'get_cruft'
method for details.
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_condition( t hasattrR ( t self( ( s: /usr/lib/python2.7/dist-packages/computerjanitor/plugin.pyt
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| | _ d S( N( R ( R t condition( ( s: /usr/lib/python2.7/dist-packages/computerjanitor/plugin.pyt
set_condition( s c C s
| | _ d S( s¥ Set the Application instance this plugin belongs to.
This is used by the plugin manager when creating the plugin
instance. In a perfect world, this would be done via the
__init__ method, but since I took a wrong left turn, I ended
up in an imperfect world, and therefore giving the Application
instance to __init__ would mandate that all sub-classes would
have to deal with that explicitly. That is a lot of unnecessary
make-work, which we should avoid. Therefore, we do it via this
method.
The class may access the Application instance via the
'app' attribute.
N( t app( R R ( ( s: /usr/lib/python2.7/dist-packages/computerjanitor/plugin.pyt set_application- s c C s/ x | j ƒ D] } | j ƒ q
W| j ƒ d S( sF Find cruft and clean it up.
This is a helper method.
N( t get_cruftt cleanupt post_cleanup( R t cruft( ( s: /usr/lib/python2.7/dist-packages/computerjanitor/plugin.pyt do_cleanup_cruft@ s c C s t j | j ƒ ‚ d S( s„ Find some cruft in the system.
This method MUST return an iterator (see 'yield' statement).
This interface design allows cruft to be collected piecemeal,
which makes it easier to show progress in the user interface.
The base class default implementation of this raises an
exception. Subclasses MUST override this method.
N( t computerjanitort UnimplementedMethodR ( R ( ( s: /usr/lib/python2.7/dist-packages/computerjanitor/plugin.pyR J s c C s d S( sú Does plugin wide cleanup after the individual cleanup
was performed.
This is useful for stuff that needs to be proccessed
in batches (e.g. for performance reasons) like package
removal.
N( ( R ( ( s: /usr/lib/python2.7/dist-packages/computerjanitor/plugin.pyR X s ( t __name__t
__module__t __doc__R R t propertyR R R
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PluginManagerc B sA e Z d Z d „ Z d „ Z d „ Z d „ Z g d d „ Z RS( s› Class to find and load plugins.
Plugins are stored in files named '*_plugin.py' in the list of
directories given to the initializer.
c C s | | _ | | _ d | _ d S( N( t _appt _plugin_dirst Nonet _plugins( R R t plugin_dirs( ( s: /usr/lib/python2.7/dist-packages/computerjanitor/plugin.pyt __init__l s c C s³ g } x¦ | j D]› } t j j | ƒ s. q n g t j | ƒ D] } | j d ƒ r> | ^ q> } t j d | d j | ƒ f ƒ | g | D] } t j j | | ƒ ^ q‰ 7} q W| S( s4 Return all filenames in which plugins may be stored.s
_plugin.pys Plugin modules in %s: %st ( R t ost patht existst listdirt endswitht loggingt debugt join( R t namest dirnamet xt basenames( ( s: /usr/lib/python2.7/dist-packages/computerjanitor/plugin.pyt get_plugin_filesq s 0c C s˜ g } xK t j | ƒ D]: \ } } t j | ƒ r t | t ƒ r | j | ƒ q q Wt j d | d j d „ | Dƒ ƒ f ƒ g | D] } | ƒ ^ q… S( s- Find and instantiate all plugins in a module.s Plugins in %s: %sR c s s | ] } t | ƒ Vq d S( N( t str( t .0R& ( ( s: /usr/lib/python2.7/dist-packages/computerjanitor/plugin.pys <genexpr>‰ s ( t inspectt
getmemberst isclasst
issubclassR t appendR! R" R# ( R t modulet pluginst dummyt membert plugin( ( s: /usr/lib/python2.7/dist-packages/computerjanitor/plugin.pyt
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ƒ | S( s Load a module from a filename.s Loading module %st rs .pys Failed to load plugin '%s' (%s)N( R! R" R R t splitextt basenamet filet impt load_modulet PY_SOURCEt Exceptiont warningR t close( R t filenamet module_nameR2 t fR0 t e( ( s: /usr/lib/python2.7/dist-packages/computerjanitor/plugin.pyt _load_moduleŒ s $
c C s | j d k r´ g | _ | j ƒ } x t t | ƒ ƒ D]v } | r` | | | | t | ƒ ƒ n | j | | ƒ } x7 | j | ƒ D]& } | j | j ƒ | j j | ƒ qƒ Wq7 Wn g | j D]6 } | j
| k sî | | j
k sî | d k r¾ | ^ q¾ } t j d | | f ƒ | S( s´ Return all plugins that have been found.
If callback is specified, it is called after each plugin has
been found, with the following arguments: filename, index of
filename in list of files to be examined (starting with 0), and
total number of files to be examined. The purpose of this is to
allow the callback to inform the user in case things take a long
time.
t *s# plugins for condition '%s' are '%s'N(
R R R( t ranget lenRD R5 R R R/ R R! R" ( R R t callbackt filenamest iR0 R4 t pR1 ( ( s: /usr/lib/python2.7/dist-packages/computerjanitor/plugin.pyt get_plugins› s" N( R R R R R( R5 RD R RL ( ( ( s: /usr/lib/python2.7/dist-packages/computerjanitor/plugin.pyR c s
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