
v^                 @   sn   d  d l  m Z d  d l m Z Gd d   d  Z Gd d   d  Z e   Z e j Z e j Z e j	 Z	 d S)    )chain)is_iterablec               @   sR   e  Z d  Z d Z d Z d Z d Z d Z d Z d Z	 d Z
 d	 Z d
 Z d Z d S)Tagsz,
    Built-in tags for internal checks.
    admincachescompatibilitydatabasemodelssecuritysignals	templatestranslationurlsN)__name__
__module____qualname____doc__r   r   r   r   r	   r
   r   r   r   r    r   r   =/tmp/pip-build-8lau8j11/django/django/core/checks/registry.pyr      s   r   c               @   sm   e  Z d  Z d d   Z d d d  Z d d d d d  Z d d	 d
  Z d d d  Z d d d  Z d S)CheckRegistryc             C   s   t    |  _ t    |  _ d  S)N)setregistered_checksdeployment_checks)selfr   r   r   __init__   s    zCheckRegistry.__init__Nc                sI       f d d   } t  |  r. | |  S| rA  | f 7 | Sd S)a  
        Can be used as a function or a decorator. Register given function
        `f` labeled with given `tags`. The function should receive **kwargs
        and return list of Errors and Warnings.

        Example::

            registry = CheckRegistry()
            @registry.register('mytag', 'anothertag')
            def my_check(apps, **kwargs):
                # ... perform checks and collect `errors` ...
                return errors
            # or
            registry.register(my_check, 'mytag', 'anothertag')
        c                s;    |  _    j d  r!  j n  j } | j |   |  S)NZdeploy)tagsgetr   r   add)checkchecks)kwargsr   r   r   r   inner,   s    	!z%CheckRegistry.register.<locals>.innerN)callable)r   r   r   r    r!   r   )r    r   r   r   register   s    
zCheckRegistry.registerFc                s   g  } |  j  |  }   d k	 r=   f d d   | D } n d d   | D } xF | D]> } | d |  } t |  s t d |   | j |  qW W| S)zS
        Run all registered checks and return list of Errors and Warnings.
        Nc                s.   g  |  ]$ } t  | j  j    s |  q Sr   )r   r   
isdisjoint).0r   )r   r   r   
<listcomp>A   s   	 z,CheckRegistry.run_checks.<locals>.<listcomp>c             S   s(   g  |  ] } t  j | j k r |  q Sr   )r   r   r   )r%   r   r   r   r   r&   E   s   	 app_configszlThe function %r did not return a list. All functions registered with the checks registry must return a list.)
get_checksr   AssertionErrorextend)r   r'   r   include_deployment_checkserrorsr   r   Z
new_errorsr   )r   r   
run_checks9   s    
zCheckRegistry.run_checksc             C   s   | |  j  |  k S)N)tags_available)r   tagr+   r   r   r   
tag_existsO   s    zCheckRegistry.tag_existsc             C   s)   t  t j d d   |  j |  D   S)Nc             s   s   |  ] } | j  Vq d  S)N)r   )r%   r   r   r   r   	<genexpr>T   s    z/CheckRegistry.tags_available.<locals>.<genexpr>)r   r   from_iterabler(   )r   r   r   r   r   r.   R   s    	zCheckRegistry.tags_availablec             C   s)   t  |  j  } | r% | j |  j  | S)N)listr   r*   r   )r   r+   r   r   r   r   r(   W   s    zCheckRegistry.get_checks)	r   r   r   r   r#   r-   r0   r.   r(   r   r   r   r   r      s   r   N)
	itertoolsr   Zdjango.utils.itercompatr   r   r   registryr#   r-   r0   r   r   r   r   <module>   s   H			