B
    CVvg[                 @   s  d dl Z d dlmZ d dlmZ d dlmZ d dlmZm	Z	m
Z
 d dlmZ d dlmZ d dlmZ d d	lmZ d d
lmZ d dlmZmZmZ d dlmZ d dlmZ d dlmZ dd Zdd Z dd Z!dd Z"G dd dZ#G dd de#Z$G dd de#Z%dd Z&dd  Z'd!d" Z(dS )#    N)chain)apps)settings)NotRelationFieldflattenget_fields_from_path)checks)FieldDoesNotExist)models)
LOOKUP_SEP)
Combinable)BaseModelFormBaseModelFormSet_get_foreign_key)engines)DjangoTemplates)import_stringc             C   s$   y
t | |S  tk
r   dS X dS )zX
    issubclass() variant that doesn't raise an exception if cls isn't a
    class.
    FN)
issubclass	TypeError)clsZ	classinfo r   ?/tmp/pip-install-o3oxmrkh/Django/django/contrib/admin/checks.py_issubclass   s    
r   c          	   C   sL   t | }x>|D ]6}yt |}W n tk
r4   wY nX t||rdS qW dS )z|
    Return whether or not a dotted class path (or a subclass of that class) is
    found in a list of candidate paths.
    TF)r   ImportErrorr   )Z
class_pathZcandidate_pathsr   pathZcandidate_clsr   r   r   _contains_subclass!   s    

r   c             K   s2   ddl m} g }x|D ]}|||  qW |S )Nr   )	all_sites)django.contrib.admin.sitesr   extendcheck)Zapp_configskwargsr   errorssiter   r   r   check_admin_app2   s
    
r#   c        	      K   s  ddl m} tdsg S g }d}x6|D ].\}}t|s(|tjd| d| d q(W x&t D ]}t	|t
rd|j}P qdW d}|s|tjd	d
d nd|jkrtdtjr|tjddd d|jkr|tjddd tdd |D }|rd|jkr|tjddd tdtjs>|tjddd tdtjs`|tjddd tdtjs|tjddd d! |S )"zF
    Check that the admin's dependencies are correctly installed.
    r   )r   zdjango.contrib.admin))zdjango.contrib.contenttypesi  )zdjango.contrib.authi  )zdjango.contrib.messagesi  zE'%s' must be in INSTALLED_APPS in order to use the admin application.z	admin.E%d)idNzA 'django.template.backends.django.DjangoTemplates' instance must be configured in TEMPLATES in order to use the admin application.z
admin.E403z+django.contrib.auth.context_processors.authz)django.contrib.auth.backends.ModelBackendz'django.contrib.auth.context_processors.auth' must be enabled in DjangoTemplates (TEMPLATES) if using the default auth backend in order to use the admin application.z
admin.E402z3django.contrib.messages.context_processors.messagesz'django.contrib.messages.context_processors.messages' must be enabled in DjangoTemplates (TEMPLATES) in order to use the admin application.z
admin.E404c             s   s   | ]}|j V  qd S )N)Zenable_nav_sidebar).0r"   r   r   r   	<genexpr>m   s    z%check_dependencies.<locals>.<genexpr>z*django.template.context_processors.requestz'django.template.context_processors.request' must be enabled in DjangoTemplates (TEMPLATES) in order to use the admin navigation sidebar.z
admin.W411z7django.contrib.auth.middleware.AuthenticationMiddlewarezv'django.contrib.auth.middleware.AuthenticationMiddleware' must be in MIDDLEWARE in order to use the admin application.z
admin.E408z4django.contrib.messages.middleware.MessageMiddlewarezs'django.contrib.messages.middleware.MessageMiddleware' must be in MIDDLEWARE in order to use the admin application.z
admin.E409z4django.contrib.sessions.middleware.SessionMiddlewarezs'django.contrib.sessions.middleware.SessionMiddleware' must be in MIDDLEWARE in order to use the admin application.zInsert 'django.contrib.sessions.middleware.SessionMiddleware' before 'django.contrib.auth.middleware.AuthenticationMiddleware'.z
admin.E410)hintr$   )r   r   r   Zis_installedappendr   Errorr   all
isinstancer   engineZcontext_processorsr   r   ZAUTHENTICATION_BACKENDSanyWarningZ
MIDDLEWARE)	r    r   r!   Zapp_dependenciesZapp_nameZ
error_coder,   Zdjango_templates_instanceZsidebar_enabledr   r   r   check_dependencies:   sf    









r/   c               @   s   e Zd Zdd Zdd Zdd Zdd Zd	d
 Zdd Zdd Z	dd Z
dd Zdd Zdd Zdd Zdd Zdd Zdd Zdd  Zd!d" Zd#d$ Zd%d& Zd'd( Zd)d* Zd+d, Zd-d. Zd/d0 Zd1d2 Zd3d4 Zd5d6 Zd7S )8BaseModelAdminChecksc             K   sl   |  || || || || || || || || || 	|| 
|| || |S )N)_check_autocomplete_fields_check_raw_id_fields_check_fields_check_fieldsets_check_exclude_check_form_check_filter_vertical_check_filter_horizontal_check_radio_fields_check_prepopulated_fields_check_view_on_site_url_check_ordering_check_readonly_fields)self	admin_objr    r   r   r   r      s    zBaseModelAdminChecks.checkc                sH   t  jttfs tdd ddS tt fddt jD S dS )zV
        Check that `autocomplete_fields` is a list or tuple of model fields.
        za list or tupleautocomplete_fieldsz
admin.E036)optionobjr$   c                s"   g | ]\}}  |d | qS )zautocomplete_fields[%d])_check_autocomplete_fields_item)r%   index
field_name)rB   r>   r   r   
<listcomp>   s   zCBaseModelAdminChecks._check_autocomplete_fields.<locals>.<listcomp>N)r+   r@   listtuplemust_ber   from_iterable	enumerate)r>   rB   r   )rB   r>   r   r1      s
    z/BaseModelAdminChecks._check_autocomplete_fieldsc          	   C   s   y|j j|}W n  tk
r2   t|||ddS X |jsVt|tjsVt	d||ddS |j
j|jj }|dkrtjd|jj jt|jf |jdd	gS |jstjd
|jjt|jf |jdd	gS g S dS )z
        Check that an item in `autocomplete_fields` is a ForeignKey or a
        ManyToManyField and that the item has a related ModelAdmin with
        search_fields defined.
        z
admin.E037)fieldrA   rB   r$   z%a foreign key or a many-to-many fieldz
admin.E038)rA   rB   r$   NzXAn admin for model "%s" has to be registered to be referenced by %s.autocomplete_fields.z
admin.E039)rB   r$   zR%s must define "search_fields", because it's referenced by %s.autocomplete_fields.z
admin.E040)model_meta	get_fieldr	   refer_to_missing_fieldmany_to_manyr+   r
   
ForeignKeyrI   
admin_site	_registrygetremote_fieldr   r)   __name__type	__class__search_fields)r>   rB   rE   labelrL   Zrelated_adminr   r   r   rC      s0    

z4BaseModelAdminChecks._check_autocomplete_fields_itemc                sH   t  jttfs tdd ddS tt fddt jD S dS )z\ Check that `raw_id_fields` only contains field names that are listed
        on the model. za list or tupleraw_id_fieldsz
admin.E001)rA   rB   r$   c             3   s$   | ]\}}  |d | V  qdS )zraw_id_fields[%d]N)_check_raw_id_fields_item)r%   rD   rE   )rB   r>   r   r   r&      s   z<BaseModelAdminChecks._check_raw_id_fields.<locals>.<genexpr>N)r+   r\   rG   rH   rI   r   rJ   rK   )r>   rB   r   )rB   r>   r   r2      s
    z)BaseModelAdminChecks._check_raw_id_fieldsc          	   C   s^   y|j j|}W n  tk
r2   t|||ddS X |jsVt|tjsVt	d||ddS g S dS )z Check an item of `raw_id_fields`, i.e. check that field named
        `field_name` exists in model `model` and is a ForeignKey or a
        ManyToManyField. z
admin.E002)rL   rA   rB   r$   z%a foreign key or a many-to-many fieldz
admin.E003)rA   rB   r$   N)
rM   rN   rO   r	   rP   rQ   r+   r
   rR   rI   )r>   rB   rE   r[   rL   r   r   r   r]      s    z.BaseModelAdminChecks._check_raw_id_fields_itemc                s    j dkrg S t j ttfs.tdd ddS  jrHtjd jddgS t	 j }t
|t
t|krztjd	 jd
dgS tt fdd j D S )z Check that `fields` only refer to existing fields, doesn't contain
        duplicates. Check if at most one of `fields` and `fieldsets` is defined.
        Nza list or tuplefieldsz
admin.E004)rA   rB   r$   z,Both 'fieldsets' and 'fields' are specified.z
admin.E005)rB   r$   z2The value of 'fields' contains duplicate field(s).z
admin.E006c             3   s   | ]}  |d V  qdS )r^   N)_check_field_spec)r%   rE   )rB   r>   r   r   r&     s   z5BaseModelAdminChecks._check_fields.<locals>.<genexpr>)r^   r+   rG   rH   rI   	fieldsetsr   r)   rY   r   lensetr   rJ   )r>   rB   r^   r   )rB   r>   r   r3      s$    



z"BaseModelAdminChecks._check_fieldsc                s\    j dkrg S t j ttfs.tdd ddS g tt fddt j D S dS )zT Check that fieldsets is properly formatted and doesn't contain
        duplicates. Nza list or tupler`   z
admin.E007)rA   rB   r$   c             3   s&   | ]\}}  |d | V  qdS )zfieldsets[%d]N)_check_fieldsets_item)r%   rD   fieldset)rB   seen_fieldsr>   r   r   r&   "  s   z8BaseModelAdminChecks._check_fieldsets.<locals>.<genexpr>)r`   r+   rG   rH   rI   r   rJ   rK   )r>   rB   r   )rB   re   r>   r   r4     s    
z%BaseModelAdminChecks._check_fieldsetsc                s  t |ttfstd ddS t|dkr:td ddS t |d ts\tdd	  d
dS d|d krtjd  jddgS t |d d ttfstdd  ddS |	t
|d d  t|tt|krtjd  jddgS tt fdd|d d D S )z~ Check an item of `fieldsets`, i.e. check that this is a pair of a
        set name and a dictionary containing "fields" key. za list or tuplez
admin.E008)rA   rB   r$      zof length 2z
admin.E009   za dictionaryz%s[1]z
admin.E010r^   z3The value of '%s[1]' must contain the key 'fields'.z
admin.E011)rB   r$   z%s[1]['fields']z(There are duplicate field(s) in '%s[1]'.z
admin.E012c             3   s    | ]} |d   V  qdS )z%s[1]["fields"]N)r_   )r%   Zfieldset_fields)r[   rB   r>   r   r   r&   E  s   z=BaseModelAdminChecks._check_fieldsets_item.<locals>.<genexpr>)r+   rG   rH   rI   ra   dictr   r)   rY   r   r   rb   r   rJ   )r>   rB   rd   r[   re   r   )r[   rB   r>   r   rc   &  s,    

z*BaseModelAdminChecks._check_fieldsets_itemc                s@   t |tr.tt fddt|D S | S dS )z `fields` should be an item of `fields` or an item of
        fieldset[1]['fields'] for any `fieldset` in `fieldsets`. It should be a
        field name or a tuple of field names. c             3   s(   | ] \}} |d  |f V  qdS )z%s[%d]N)_check_field_spec_item)r%   rD   rE   )r[   rB   r>   r   r   r&   P  s   z9BaseModelAdminChecks._check_field_spec.<locals>.<genexpr>N)r+   rH   rG   r   rJ   rK   ri   )r>   rB   r^   r[   r   )r[   rB   r>   r   r_   I  s
    
z&BaseModelAdminChecks._check_field_specc             C   sr   ||j krg S y|jj|}W n tk
r4   g S X t|tjrj|jj	jj
sjtjd||f |jddgS g S d S )NzvThe value of '%s' cannot include the ManyToManyField '%s', because that field manually specifies a relationship model.z
admin.E013)rB   r$   )readonly_fieldsrM   rN   rO   r	   r+   r
   ManyToManyFieldrV   ZthroughZauto_createdr   r)   rY   )r>   rB   rE   r[   rL   r   r   r   ri   V  s    

z+BaseModelAdminChecks._check_field_spec_itemc             C   sb   |j dkrg S t|j ttfs.tdd|ddS t|j tt|j krZtjd|j	ddgS g S dS )	z6 Check that exclude is a sequence without duplicates. Nza list or tupleexcludez
admin.E014)rA   rB   r$   z3The value of 'exclude' contains duplicate field(s).z
admin.E015)rB   r$   )
rl   r+   rG   rH   rI   ra   rb   r   r)   rY   )r>   rB   r   r   r   r5   r  s    

z#BaseModelAdminChecks._check_excludec             C   s$   t |jtstdd|ddS g S dS )z+ Check that form subclasses BaseModelForm. r   formz
admin.E016)parentrA   rB   r$   N)r   rm   r   must_inherit_from)r>   rB   r   r   r   r6     s    
z BaseModelAdminChecks._check_formc                sH   t  jttfs tdd ddS tt fddt jD S dS )z: Check that filter_vertical is a sequence of field names. za list or tuplefilter_verticalz
admin.E017)rA   rB   r$   c             3   s$   | ]\}}  |d | V  qdS )zfilter_vertical[%d]N)_check_filter_item)r%   rD   rE   )rB   r>   r   r   r&     s   z>BaseModelAdminChecks._check_filter_vertical.<locals>.<genexpr>N)r+   rp   rG   rH   rI   r   rJ   rK   )r>   rB   r   )rB   r>   r   r7     s
    z+BaseModelAdminChecks._check_filter_verticalc                sH   t  jttfs tdd ddS tt fddt jD S dS )z< Check that filter_horizontal is a sequence of field names. za list or tuplefilter_horizontalz
admin.E018)rA   rB   r$   c             3   s$   | ]\}}  |d | V  qdS )zfilter_horizontal[%d]N)rq   )r%   rD   rE   )rB   r>   r   r   r&     s   z@BaseModelAdminChecks._check_filter_horizontal.<locals>.<genexpr>N)r+   rr   rG   rH   rI   r   rJ   rK   )r>   rB   r   )rB   r>   r   r8     s
    z-BaseModelAdminChecks._check_filter_horizontalc          	   C   sR   y|j j|}W n  tk
r2   t|||ddS X |jsJtd||ddS g S dS )z Check one item of `filter_vertical` or `filter_horizontal`, i.e.
        check that given field exists and is a ManyToManyField. z
admin.E019)rL   rA   rB   r$   za many-to-many fieldz
admin.E020)rA   rB   r$   N)rM   rN   rO   r	   rP   rQ   rI   )r>   rB   rE   r[   rL   r   r   r   rq     s    z'BaseModelAdminChecks._check_filter_itemc                sD   t  jtstdd ddS tt fdd j D S dS )z, Check that `radio_fields` is a dictionary. za dictionaryradio_fieldsz
admin.E021)rA   rB   r$   c             3   s2   | ]*\}}  |d  |d|  V  qdS )rs   zradio_fields["%s"]N)_check_radio_fields_key_check_radio_fields_value)r%   rE   val)rB   r>   r   r   r&     s   z;BaseModelAdminChecks._check_radio_fields.<locals>.<genexpr>N)r+   rs   rh   rI   rG   r   rJ   items)r>   rB   r   )rB   r>   r   r9     s
    z(BaseModelAdminChecks._check_radio_fieldsc          	   C   sj   y|j j|}W n  tk
r2   t|||ddS X t|tjsb|jsbt	j
d||f |jddgS g S dS )z Check that a key of `radio_fields` dictionary is name of existing
        field and that the field is a ForeignKey or has `choices` defined. z
admin.E022)rL   rA   rB   r$   zsThe value of '%s' refers to '%s', which is not an instance of ForeignKey, and does not have a 'choices' definition.z
admin.E023)rB   r$   N)rM   rN   rO   r	   rP   r+   r
   rR   choicesr   r)   rY   )r>   rB   rE   r[   rL   r   r   r   rt     s    
z,BaseModelAdminChecks._check_radio_fields_keyc             C   s<   ddl m}m} |||fkr4tjd| |jddgS g S dS )z5 Check type of a value of `radio_fields` dictionary. r   )
HORIZONTALVERTICALzDThe value of '%s' must be either admin.HORIZONTAL or admin.VERTICAL.z
admin.E024)rB   r$   N)django.contrib.admin.optionsry   rz   r   r)   rY   )r>   rB   rv   r[   ry   rz   r   r   r   ru     s    
z.BaseModelAdminChecks._check_radio_fields_valuec             C   s2   t |js*t|jts*tjd|jddgS g S d S )NzBThe value of 'view_on_site' must be a callable or a boolean value.z
admin.E025)rB   r$   )callableZview_on_siter+   boolr   r)   rY   )r>   rB   r   r   r   r;     s    
z,BaseModelAdminChecks._check_view_on_site_urlc                sD   t  jtstdd ddS tt fdd j D S dS )zZ Check that `prepopulated_fields` is a dictionary containing allowed
        field types. za dictionaryprepopulated_fieldsz
admin.E026)rA   rB   r$   c             3   s2   | ]*\}}  |d  |d|  V  qdS )r~   zprepopulated_fields["%s"]N)_check_prepopulated_fields_key _check_prepopulated_fields_value)r%   rE   rv   )rB   r>   r   r   r&     s   zBBaseModelAdminChecks._check_prepopulated_fields.<locals>.<genexpr>N)r+   r~   rh   rI   rG   r   rJ   rw   )r>   rB   r   )rB   r>   r   r:     s
    z/BaseModelAdminChecks._check_prepopulated_fieldsc          	   C   sn   y|j j|}W n  tk
r2   t|||ddS X t|tjtjtj	frft
jd||f |jddgS g S dS )z Check a key of `prepopulated_fields` dictionary, i.e. check that it
        is a name of existing field and the field is one of the allowed types.
        z
admin.E027)rL   rA   rB   r$   zyThe value of '%s' refers to '%s', which must not be a DateTimeField, a ForeignKey, a OneToOneField, or a ManyToManyField.z
admin.E028)rB   r$   N)rM   rN   rO   r	   rP   r+   r
   DateTimeFieldrR   rk   r   r)   rY   )r>   rB   rE   r[   rL   r   r   r   r     s    
z3BaseModelAdminChecks._check_prepopulated_fields_keyc                sF   t |ttfstd ddS tt fddt|D S dS )zf Check a value of `prepopulated_fields` dictionary, i.e. it's an
        iterable of existing fields. za list or tuplez
admin.E029)rA   rB   r$   c             3   s(   | ] \}} |d  |f V  qdS )z%s[%r]N)%_check_prepopulated_fields_value_item)r%   rD   Zsubfield_name)r[   rB   r>   r   r   r&     s   zHBaseModelAdminChecks._check_prepopulated_fields_value.<locals>.<genexpr>N)r+   rG   rH   rI   r   rJ   rK   )r>   rB   rv   r[   r   )r[   rB   r>   r   r     s
    z5BaseModelAdminChecks._check_prepopulated_fields_valuec          	   C   s<   y|j j| W n  tk
r2   t|||ddS X g S dS )z[ For `prepopulated_fields` equal to {"slug": ("title",)},
        `field_name` is "title". z
admin.E030)rL   rA   rB   r$   N)rM   rN   rO   r	   rP   )r>   rB   rE   r[   r   r   r   r     s
    z:BaseModelAdminChecks._check_prepopulated_fields_value_itemc                sV    j dkrg S t j ttfs.tdd ddS tt fddt j D S dS )z= Check that ordering refers to existing fields or is random. Nza list or tupleorderingz
admin.E031)rA   rB   r$   c             3   s$   | ]\}}  |d | V  qdS )zordering[%d]N)_check_ordering_item)r%   rD   rE   )rB   r>   r   r   r&   /  s   z7BaseModelAdminChecks._check_ordering.<locals>.<genexpr>)r   r+   rG   rH   rI   r   rJ   rK   )r>   rB   r   )rB   r>   r   r<   %  s    
z$BaseModelAdminChecks._check_orderingc          	   C   s   t |ttjfr@t |tjs$| }t |jtjr<|jj}ng S |dkrlt|j	dkrlt
jdd|jddgS |dkrxg S t|krg S |dr|dd }|d	krg S y|jj| W n  tk
r   t|||d
dS X g S dS )z2 Check that `ordering` refers to existing fields. ?rg   z^The value of 'ordering' has the random ordering marker '?', but contains other fields as well.z2Either remove the "?", or remove the other fields.z
admin.E032)r'   rB   r$   -Npkz
admin.E033)rL   rA   rB   r$   )r+   r   r
   ZOrderByZascZ
expressionFnamera   r   r   r)   rY   r   
startswithrM   rN   rO   r	   rP   )r>   rB   rE   r[   r   r   r   r   3  s2    


z)BaseModelAdminChecks._check_ordering_itemc                sV    j dkrg S t j ttfs.tdd ddS tt fddt j D S dS )	zA Check that readonly_fields refers to proper attribute or field. r   za list or tuplerj   z
admin.E034)rA   rB   r$   c             3   s$   | ]\}}  |d | V  qdS )zreadonly_fields[%d]N)_check_readonly_fields_item)r%   rD   rE   )rB   r>   r   r   r&   a  s   z>BaseModelAdminChecks._check_readonly_fields.<locals>.<genexpr>N)rj   r+   rG   rH   rI   r   rJ   rK   )r>   rB   r   )rB   r>   r   r=   X  s    
z+BaseModelAdminChecks._check_readonly_fieldsc             C   s~   t |rg S t||rg S t|j|r*g S y|jj| W n8 tk
rt   tjd||jj	|jjj
f |jddgS X g S d S )NzSThe value of '%s' is not a callable, an attribute of '%s', or an attribute of '%s'.z
admin.E035)rB   r$   )r|   hasattrrM   rN   rO   r	   r   r)   rY   rW   r[   )r>   rB   rE   r[   r   r   r   r   e  s    
z0BaseModelAdminChecks._check_readonly_fields_itemN)rW   
__module____qualname__r   r1   rC   r2   r]   r3   r4   rc   r_   ri   r5   r6   r7   r8   rq   r9   rt   ru   r;   r:   r   r   r   r<   r   r=   r   r   r   r   r   r0      s6   + #

%r0   c                   s   e Zd Z fddZdd Zdd Zdd Zd	d
 Zdd Zdd Z	dd Z
dd Zdd Zdd Zdd Zdd Zdd Zdd Zdd  Zd!d" Zd#d$ Zd%d& Zd'd( Z  ZS ))ModelAdminChecksc                s~   t  || || || || || || || || 	|| 
|| || || || || |S )N)superr   _check_save_as_check_save_on_top_check_inlines_check_list_display_check_list_display_links_check_list_filter_check_list_select_related_check_list_per_page_check_list_max_show_all_check_list_editable_check_search_fields_check_date_hierarchy _check_action_permission_methods_check_actions_uniqueness)r>   r?   r    )rY   r   r   r     s    
zModelAdminChecks.checkc             C   s$   t |jtstdd|ddS g S dS )z Check save_as is a boolean. z	a booleansave_asz
admin.E101)rA   rB   r$   N)r+   r   r}   rI   )r>   rB   r   r   r   r     s    
zModelAdminChecks._check_save_asc             C   s$   t |jtstdd|ddS g S dS )z! Check save_on_top is a boolean. z	a booleansave_on_topz
admin.E102)rA   rB   r$   N)r+   r   r}   rI   )r>   rB   r   r   r   r     s    
z#ModelAdminChecks._check_save_on_topc                sH   t  jttfs tdd ddS tt fddt jD S dS )z' Check all inline model admin classes. za list or tupleinlinesz
admin.E103)rA   rB   r$   c             3   s$   | ]\}}  |d | V  qdS )zinlines[%d]N)_check_inlines_item)r%   rD   item)rB   r>   r   r   r&     s   z2ModelAdminChecks._check_inlines.<locals>.<genexpr>N)r+   r   rG   rH   rI   r   rJ   rK   )r>   rB   r   )rB   r>   r   r     s
    zModelAdminChecks._check_inlinesc             C   s   y|j d |j }W n( tk
r<   tjd| |jddgS X ddlm} t||sltjd| |jddgS |j	stjd| |jddgS t|j	t
jstd	d
| |ddS ||j	|j S dS )z Check one inline model admin. .z*'%s' must inherit from 'InlineModelAdmin'.z
admin.E104)rB   r$   r   )InlineModelAdminz#'%s' must have a 'model' attribute.z
admin.E105za Modelz%s.modelz
admin.E106)rA   rB   r$   N)r   rW   AttributeErrorr   r)   rY   r{   r   r   rM   r
   ZModelrI   rS   r   )r>   rB   inliner[   Zinline_labelr   r   r   r   r     s*    


z$ModelAdminChecks._check_inlines_itemc                sH   t  jttfs tdd ddS tt fddt jD S dS )zL Check that list_display only contains fields or usable attributes.
        za list or tuplelist_displayz
admin.E107)rA   rB   r$   c             3   s$   | ]\}}  |d | V  qdS )zlist_display[%d]N)_check_list_display_item)r%   rD   r   )rB   r>   r   r   r&     s   z7ModelAdminChecks._check_list_display.<locals>.<genexpr>N)r+   r   rG   rH   rI   r   rJ   rK   )r>   rB   r   )rB   r>   r   r     s
    z$ModelAdminChecks._check_list_displayc             C   s   t |rg S t||rg S y|jj|}W n` tk
r   yt|j|}W n: tk
r   tj	d|||j
j|jjjf |j
ddgS X Y nX t|tjrtj	d| |j
ddgS g S )NzsThe value of '%s' refers to '%s', which is not a callable, an attribute of '%s', or an attribute or method on '%s'.z
admin.E108)rB   r$   z0The value of '%s' must not be a ManyToManyField.z
admin.E109)r|   r   rM   rN   rO   r	   getattrr   r   r)   rY   rW   r[   r+   r
   rk   )r>   rB   r   r[   rL   r   r   r   r     s,    


z)ModelAdminChecks._check_list_display_itemc                sp   ddl m}  jdkrg S t jttfs:tdd ddS  jj|jkrltt	
 fdd	t jD S g S )
zK Check that list_display_links is a unique subset of list_display.
        r   )
ModelAdminNza list, a tuple, or Nonelist_display_linksz
admin.E110)rA   rB   r$   c             3   s$   | ]\}}  |d | V  qdS )zlist_display_links[%d]N)_check_list_display_links_item)r%   rD   rE   )rB   r>   r   r   r&     s   z=ModelAdminChecks._check_list_display_links.<locals>.<genexpr>)r{   r   r   r+   rG   rH   rI   Zget_list_display__func__r   rJ   rK   )r>   rB   r   r   )rB   r>   r   r     s    
z*ModelAdminChecks._check_list_display_linksc             C   s.   ||j kr&tjd||f |jddgS g S d S )NzIThe value of '%s' refers to '%s', which is not defined in 'list_display'.z
admin.E111)rB   r$   )r   r   r)   rY   )r>   rB   rE   r[   r   r   r   r     s    

z/ModelAdminChecks._check_list_display_links_itemc                sH   t  jttfs tdd ddS tt fddt jD S d S )Nza list or tuplelist_filterz
admin.E112)rA   rB   r$   c             3   s$   | ]\}}  |d | V  qdS )zlist_filter[%d]N)_check_list_filter_item)r%   rD   r   )rB   r>   r   r   r&   %  s   z6ModelAdminChecks._check_list_filter.<locals>.<genexpr>)r+   r   rG   rH   rI   r   rJ   rK   )r>   rB   r   )rB   r>   r   r      s
    z#ModelAdminChecks._check_list_filterc          	   C   s   ddl m}m} t|rft|tjsft||s>td||ddS t	||r`t
jd| |jddgS g S nt|ttfr|\}}t||std	d
| |ddS g S nJ|}yt|j| W n0 ttfk
r   t
jd||f |jddgS X g S dS )aG  
        Check one item of `list_filter`, i.e. check if it is one of three options:
        1. 'field' -- a basic field filter, possibly w/ relationships (e.g.
           'field__rel')
        2. ('field', SomeFieldListFilter) - a field-based list filter class
        3. SomeListFilter - a non-field list filter class
        r   )FieldListFilter
ListFilterr   z
admin.E113)rn   rA   rB   r$   z:The value of '%s' must not inherit from 'FieldListFilter'.z
admin.E114)rB   r$   r   z%s[1]z
admin.E115zBThe value of '%s' refers to '%s', which does not refer to a Field.z
admin.E116N)Zdjango.contrib.adminr   r   r|   r+   r
   ZFieldr   ro   r   r   r)   rY   rH   rG   r   rM   r   r	   )r>   rB   r   r[   r   r   rL   Zlist_filter_classr   r   r   r   )  s2    





z(ModelAdminChecks._check_list_filter_itemc             C   s*   t |jtttfs"tdd|ddS g S dS )zA Check that list_select_related is a boolean, a list or a tuple. za boolean, tuple or listlist_select_relatedz
admin.E117)rA   rB   r$   N)r+   r   r}   rG   rH   rI   )r>   rB   r   r   r   r   \  s    z+ModelAdminChecks._check_list_select_relatedc             C   s$   t |jtstdd|ddS g S dS )z) Check that list_per_page is an integer. z
an integerlist_per_pagez
admin.E118)rA   rB   r$   N)r+   r   intrI   )r>   rB   r   r   r   r   d  s    z%ModelAdminChecks._check_list_per_pagec             C   s$   t |jtstdd|ddS g S dS )z- Check that list_max_show_all is an integer. z
an integerlist_max_show_allz
admin.E119)rA   rB   r$   N)r+   r   r   rI   )r>   rB   r   r   r   r   l  s    z)ModelAdminChecks._check_list_max_show_allc                sH   t  jttfs tdd ddS tt fddt jD S dS )zl Check that list_editable is a sequence of editable fields from
        list_display without first element. za list or tuplelist_editablez
admin.E120)rA   rB   r$   c             3   s$   | ]\}}  |d | V  qdS )zlist_editable[%d]N)_check_list_editable_item)r%   rD   r   )rB   r>   r   r   r&   |  s   z8ModelAdminChecks._check_list_editable.<locals>.<genexpr>N)r+   r   rG   rH   rI   r   rJ   rK   )r>   rB   r   )rB   r>   r   r   t  s
    z%ModelAdminChecks._check_list_editablec          	   C   s   y|j j|}W n  tk
r2   t|||ddS X ||jkrZtjd||f |jddgS |j	r||j	krtjd| |jddgS |jd |kr|j	s|j	d k	rtjd	||jd f |jd
dgS |j
stjd||f |jddgS g S d S )Nz
admin.E121)rL   rA   rB   r$   zKThe value of '%s' refers to '%s', which is not contained in 'list_display'.z
admin.E122)rB   r$   zMThe value of '%s' cannot be in both 'list_editable' and 'list_display_links'.z
admin.E123r   z~The value of '%s' refers to the first field in 'list_display' ('%s'), which cannot be used unless 'list_display_links' is set.z
admin.E124zJThe value of '%s' refers to '%s', which is not editable through the admin.z
admin.E125)rM   rN   rO   r	   rP   r   r   r)   rY   r   editable)r>   rB   rE   r[   rL   r   r   r   r     s:    





z*ModelAdminChecks._check_list_editable_itemc             C   s(   t |jttfs tdd|ddS g S dS )z$ Check search_fields is a sequence. za list or tuplerZ   z
admin.E126)rA   rB   r$   N)r+   rZ   rG   rH   rI   )r>   rB   r   r   r   r     s    z%ModelAdminChecks._check_search_fieldsc          	   C   s~   |j dkrg S yt|j|j d }W n. ttfk
rR   tjd|j  |jddgS X t|t	j
t	jfsvtdd|dd	S g S dS )
zA Check that date_hierarchy refers to DateField or DateTimeField. NzNThe value of 'date_hierarchy' refers to '%s', which does not refer to a Field.z
admin.E127)rB   r$   za DateField or DateTimeFielddate_hierarchyz
admin.E128)rA   rB   r$   )r   r   rM   r   r	   r   r)   rY   r+   r
   Z	DateFieldr   rI   )r>   rB   rL   r   r   r   r     s    
z&ModelAdminChecks._check_date_hierarchyc       	   	   C   sz   |  }g }xh|D ]`\}}}t|ds(qxH|jD ]>}d| }t||s0|tjd|jj||jf |jdd q0W qW |S )z
        Actions with an allowed_permission attribute require the ModelAdmin to
        implement a has_<perm>_permission() method for each permission.
        allowed_permissionszhas_%s_permissionz/%s must define a %s() method for the %s action.z
admin.E129)rB   r$   )_get_base_actionsr   r   r(   r   r)   rY   rW   )	r>   rB   actionsr!   funcr   _Z
permissionmethod_namer   r   r   r     s"    

z1ModelAdminChecks._check_action_permission_methodsc             C   sb   g }t dd | D }x@| D ]4\}}|dkr&|tjd|jj|f |jdd q&W |S )z.Check that every action has a unique __name__.c             s   s   | ]\}}}|V  qd S )Nr   )r%   r   r   r   r   r   r&     s    z=ModelAdminChecks._check_actions_uniqueness.<locals>.<genexpr>rg   zS__name__ attributes of actions defined in %s must be unique. Name %r is not unique.z
admin.E130)rB   r$   )	collectionsCounterr   rw   r(   r   r)   rY   rW   )r>   rB   r!   namesr   countr   r   r   r     s    z*ModelAdminChecks._check_actions_uniqueness)rW   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   __classcell__r   r   )rY   r   r   ~  s(   		$!	32r   c                   sP   e Zd Z fddZ fddZdd Zdd Zd	d
 Zdd Zdd Z	  Z
S )InlineModelAdminChecksc          	      sH   |j }t || ||| ||| || || || |S )N)	parent_modelr   r   _check_relation_check_exclude_of_parent_model_check_extra_check_max_num_check_min_num_check_formset)r>   Z
inline_objr    r   )rY   r   r   r     s    


zInlineModelAdminChecks.checkc                sz   t  |}|rg S | ||r$g S |jd kr2g S t||j|jd}|j|jkrrtj	d|j|j
jf |jddgS g S d S )N)fk_namezVCannot exclude the field '%s', because it is the foreign key to the parent model '%s'.z
admin.E201)rB   r$   )r   r5   r   rl   r   rM   r   r   r   r)   rN   r[   rY   )r>   rB   r   r!   Zfk)rY   r   r   r     s    

z5InlineModelAdminChecks._check_exclude_of_parent_modelc          
   C   sX   yt ||j|jd W n8 tk
rN } ztj|jd |jddgS d }~X Y nX g S d S )N)r   r   z
admin.E202)rB   r$   )r   rM   r   
ValueErrorr   r)   argsrY   )r>   rB   r   er   r   r   r   (  s
    (z&InlineModelAdminChecks._check_relationc             C   s$   t |jtstdd|ddS g S dS )z! Check that extra is an integer. z
an integerextraz
admin.E203)rA   rB   r$   N)r+   r   r   rI   )r>   rB   r   r   r   r   0  s    z#InlineModelAdminChecks._check_extrac             C   s2   |j dkrg S t|j ts*tdd|ddS g S dS )z# Check that max_num is an integer. Nz
an integermax_numz
admin.E204)rA   rB   r$   )r   r+   r   rI   )r>   rB   r   r   r   r   8  s
    
z%InlineModelAdminChecks._check_max_numc             C   s2   |j dkrg S t|j ts*tdd|ddS g S dS )z# Check that min_num is an integer. Nz
an integermin_numz
admin.E205)rA   rB   r$   )r   r+   r   rI   )r>   rB   r   r   r   r   B  s
    
z%InlineModelAdminChecks._check_min_numc             C   s$   t |jtstdd|ddS g S dS )z2 Check formset is a subclass of BaseModelFormSet. r   formsetz
admin.E206)rn   rA   rB   r$   N)r   r   r   ro   )r>   rB   r   r   r   r   L  s    z%InlineModelAdminChecks._check_formset)rW   r   r   r   r   r   r   r   r   r   r   r   r   )rY   r   r     s   

r   c             C   s   t jd|| f |j|dgS )NzThe value of '%s' must be %s.)rB   r$   )r   r)   rY   )rX   rA   rB   r$   r   r   r   rI   U  s    
rI   c             C   s   t jd|| f |j|dgS )Nz)The value of '%s' must inherit from '%s'.)rB   r$   )r   r)   rY   )rn   rA   rB   r$   r   r   r   ro   _  s    
ro   c             C   s$   t jd|| |jjjf |j|dgS )NzDThe value of '%s' refers to '%s', which is not an attribute of '%s'.)rB   r$   )r   r)   rM   rN   r[   rY   )rL   rA   rB   r$   r   r   r   rP   i  s
    rP   ))r   	itertoolsr   Zdjango.appsr   Zdjango.confr   Zdjango.contrib.admin.utilsr   r   r   Zdjango.corer   Zdjango.core.exceptionsr	   Z	django.dbr
   Zdjango.db.models.constantsr   Zdjango.db.models.expressionsr   Zdjango.forms.modelsr   r   r   Zdjango.templater   Zdjango.template.backends.djangor   Zdjango.utils.module_loadingr   r   r   r#   r/   r0   r   r   rI   ro   rP   r   r   r   r   <module>   s:   X   o   X

