U
    ~Ha)                     @   s   d Z ddlZddlZddlZddlZddlZddlmZ 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 dZd	Zd
ZG dd deZG dd deZG dd dZG dd dZe ZdS )z
Settings and configuration for Django.

Read values from the module specified by the DJANGO_SETTINGS_MODULE environment
variable, and then from django.conf.global_settings; see the global_settings.py
for a list of all possible variables.
    N)Path)global_settings)ImproperlyConfigured)RemovedInDjango40Warning)
LazyObjectemptyZDJANGO_SETTINGS_MODULEzZThe PASSWORD_RESET_TIMEOUT_DAYS setting is deprecated. Use PASSWORD_RESET_TIMEOUT instead.zThe DEFAULT_HASHING_ALGORITHM transitional setting is deprecated. Support for it and tokens, cookies, sessions, and signatures that use SHA-1 hashing algorithm will be removed in Django 4.0.c                   @   s    e Zd ZdZdd Zdd ZdS )SettingsReferencez
    String subclass which references a current settings value. It's treated as
    the value in memory but serializes to a settings.NAME attribute reference.
    c                 C   s   t | |S N)str__new__selfvaluesetting_name r   8/tmp/pip-unpacked-wheel-3jxiddxt/django/conf/__init__.pyr   )   s    zSettingsReference.__new__c                 C   s
   || _ d S r	   )r   r   r   r   r   __init__,   s    zSettingsReference.__init__N)__name__
__module____qualname____doc__r   r   r   r   r   r   r   $   s   r   c                       sv   e Zd ZdZdddZdd Zdd Z fd	d
Z fddZe	fddZ
edd Zedd Zedd Z  ZS )LazySettingsz
    A lazy proxy for either global Django settings or a custom settings object.
    The user can manually configure settings prior to using them. Otherwise,
    Django uses the settings module pointed to by DJANGO_SETTINGS_MODULE.
    Nc                 C   s>   t jt}|s0|rd| nd}td|tf t|| _dS )z
        Load the settings module pointed to by the environment variable. This
        is used the first time settings are needed, if the user hasn't
        configured settings manually.
        z
setting %ssettingszRequested %s, but settings are not configured. You must either define the environment variable %s or call settings.configure() before accessing settings.N)osenvirongetENVIRONMENT_VARIABLEr   Settings_wrapped)r   namesettings_moduledescr   r   r   _setup6   s    zLazySettings._setupc                 C   s   | j tkrdS dd| j ji S )Nz<LazySettings [Unevaluated]>z$<LazySettings "%(settings_module)s">r    )r   r   SETTINGS_MODULEr   r   r   r   __repr__G   s    
 zLazySettings.__repr__c                 C   s^   | j tkr| | t| j |}|dkr<|dk	r<| |}n|dkrP|sPtd|| j|< |S )z<Return the value of a setting and cache it in self.__dict__.>   
STATIC_URL	MEDIA_URLNZ
SECRET_KEYz)The SECRET_KEY setting must not be empty.)r   r   r"   getattr_add_script_prefixr   __dict__)r   r   valr   r   r   __getattr__O   s    


zLazySettings.__getattr__c                    s4   |dkr| j   n| j |d t || dS )z
        Set the value of setting. Clear all cached values if _wrapped changes
        (@override_settings does this) or clear single values when set.
        r   N)r*   clearpopsuper__setattr__r   r   r   	__class__r   r   r0   _   s    zLazySettings.__setattr__c                    s   t  | | j|d dS )z3Delete a setting and clear it from cache if needed.N)r/   __delattr__r*   r.   r   r   r2   r   r   r4   j   s    zLazySettings.__delattr__c                 K   sV   | j tk	rtdt|}| D ](\}}| s>td| t||| q"|| _ dS )z
        Called to manually configure the settings. The 'default_settings'
        parameter sets where to retrieve any unspecified values from (its
        argument must support attribute access (__getattr__)).
        zSettings already configured.zSetting %r must be uppercase.N)r   r   RuntimeErrorUserSettingsHolderitemsisupper	TypeErrorsetattr)r   default_settingsoptionsZholderr   r   r   r   r   	configureo   s    
zLazySettings.configurec                 C   s(   |  dr| S ddlm} d| | f S )z
        Add SCRIPT_NAME prefix to relative paths.

        Useful when the app is being served at a subpath and manually prefixing
        subpath to STATIC_URL and MEDIA_URL in settings is inconvenient.
        )zhttp://zhttps:///r   )get_script_prefixz%s%s)
startswithZdjango.urlsr@   )r   r@   r   r   r   r)   ~   s    	
zLazySettings._add_script_prefixc                 C   s
   | j tk	S )z9Return True if the settings have already been configured.)r   r   r$   r   r   r   
configured   s    zLazySettings.configuredc                 C   sF   t  }|d \}}}}|tjtjs<tj	t
tdd | dS )N   )
stacklevelPASSWORD_RESET_TIMEOUT_DAYS)	tracebackextract_stackrA   r   pathdirnamedjango__file__warningswarn*PASSWORD_RESET_TIMEOUT_DAYS_DEPRECATED_MSGr   r,   )r   stackfilename_r   r   r   rF      s    z(LazySettings.PASSWORD_RESET_TIMEOUT_DAYS)N)r   r   r   r   r"   r%   r,   r0   r4   r   r>   staticmethodr)   propertyrB   rF   __classcell__r   r   r2   r   r   0   s   


r   c                   @   s$   e Zd Zdd Zdd Zdd ZdS )r   c                 C   s`  t tD ]}| rt| |tt| q|| _t| j}d}t | _	t |D ]P}| rNt||}||krt
|ttfstd| t| || | j	| qN| dr| drtdt| d| jd d d  ttt | drttt ttd	r\| jr\td
}|j| jd }| rH| sHtd| j | jtjd< t   d S )N)ZINSTALLED_APPSZTEMPLATE_DIRSZLOCALE_PATHSz*The %s setting must be a list or a tuple. rF   PASSWORD_RESET_TIMEOUTzJPASSWORD_RESET_TIMEOUT_DAYS/PASSWORD_RESET_TIMEOUT are mutually exclusive.<      DEFAULT_HASHING_ALGORITHMtzsetz/usr/share/zoneinfor?   zIncorrect timezone setting: %sZTZ)!dirr   r9   r;   r(   r#   	importlibimport_moduleset_explicit_settings
isinstancelisttupler   addis_overriddenrF   rM   rN   rO   r   (DEFAULT_HASHING_ALGORITHM_DEPRECATED_MSGhasattrtimeZ	TIME_ZONEr   joinpathsplitexists
ValueErrorr   r   rZ   )r   r    settingmodZtuple_settingsZsetting_valueZzoneinfo_rootZzone_info_filer   r   r   r      s@    



zSettings.__init__c                 C   s
   || j kS r	   )r_   )r   rl   r   r   r   rd      s    zSettings.is_overriddenc                 C   s   d| j j| jd S )Nz<%(cls)s "%(settings_module)s">)clsr    )r3   r   r#   r$   r   r   r   r%      s    zSettings.__repr__N)r   r   r   r   rd   r%   r   r   r   r   r      s   3r   c                       sX   e Zd ZdZdZdd Zdd Z fddZ fd	d
Zdd Z	dd Z
dd Z  ZS )r7   z$Holder for user configured settings.Nc                 C   s   t  | jd< || _dS )z
        Requests for configuration variables not in this class are satisfied
        from the module specified in default_settings (if possible).
        _deletedN)r^   r*   r<   )r   r<   r   r   r   r      s    zUserSettingsHolder.__init__c                 C   s"   |  r|| jkrtt| j|S r	   )r9   ro   AttributeErrorr(   r<   r5   r   r   r   r,      s    zUserSettingsHolder.__getattr__c                    s^   | j | |dkr8t| d|d d d  ttt |dkrLttt t 	|| d S )NrF   rV   rW   rX   rY   )
ro   discardr;   rM   rN   rO   r   re   r/   r0   r1   r2   r   r   r0      s    zUserSettingsHolder.__setattr__c                    s&   | j | t| |r"t | d S r	   )ro   rc   rf   r/   r4   r5   r2   r   r   r4      s    
zUserSettingsHolder.__delattr__c                    s"   t  fdd jt jD S )Nc                 3   s   | ]}| j kr|V  qd S r	   )ro   ).0sr$   r   r   	<genexpr>   s   
z-UserSettingsHolder.__dir__.<locals>.<genexpr>)sortedr*   r[   r<   r$   r   r$   r   __dir__   s    zUserSettingsHolder.__dir__c                 C   s6   || j k}|| jk}t| jddd |}|p4|p4|S )Nrd   c                 S   s   dS )NFr   )rs   r   r   r   <lambda>      z2UserSettingsHolder.is_overridden.<locals>.<lambda>)ro   r*   r(   r<   )r   rl   ZdeletedZset_locallyZset_on_defaultr   r   r   rd     s    

z UserSettingsHolder.is_overriddenc                 C   s   dd| j ji S )Nz	<%(cls)s>rn   )r3   r   r$   r   r   r   r%     s     zUserSettingsHolder.__repr__)r   r   r   r   r#   r   r,   r0   r4   rv   rd   r%   rU   r   r   r2   r   r7      s   	r7   )r   r\   r   rg   rG   rM   pathlibr   rK   Zdjango.confr   Zdjango.core.exceptionsr   Zdjango.utils.deprecationr   Zdjango.utils.functionalr   r   r   rO   re   r
   r   r   r   r7   r   r   r   r   r   <module>   s*   p>3