a
    Šxd  ã                   @   sD   d dl Z d dlZd dlZd dlmZ d dlmZ G dd„ deƒZdS )é    N)ÚPath)ÚBaseDatabaseCreationc                   @   sL   e Zd Zedd„ ƒZdd„ Zddd„Zdd	„ Zdd
d„Zdd„ Z	dd„ Z
dS )ÚDatabaseCreationc                 C   s   t | tƒ o| dkpd| v S )Nú:memory:zmode=memory)Ú
isinstancer   )Zdatabase_name© r   ú[/var/www/html/Ranjet/env/lib/python3.9/site-packages/django/db/backends/sqlite3/creation.pyÚis_in_memory_db   s    ÿz DatabaseCreation.is_in_memory_dbc                 C   s,   | j jd d pd}|dkr(d| j j S |S )NÚTESTÚNAMEr   z)file:memorydb_%s?mode=memory&cache=shared)Ú
connectionÚsettings_dictÚalias)ÚselfÚtest_database_namer   r   r   Ú_get_test_db_name   s    z"DatabaseCreation._get_test_db_nameFc              
   C   sÊ   |   ¡ }|r|S |  |¡sÆ|dkr:|  d|  ||¡f ¡ t |tj¡rÆ|sXtd| ƒ}|sd|dkr²zt |¡ W qÆ t	y® } z$|  d| ¡ t
 d¡ W Y d }~qÆd }~0 0 n|  d¡ t
 d¡ |S )Né   ú,Destroying old test database for alias %s...zXType 'yes' if you would like to try deleting the test database '%s', or 'no' to cancel: Úyesú/Got an error deleting the old test database: %sé   zTests cancelled.)r   r	   ÚlogÚ_get_database_display_strÚosÚaccessÚF_OKÚinputÚremoveÚ	ExceptionÚsysÚexit)r   Ú	verbosityZautoclobberÚkeepdbr   ZconfirmÚer   r   r   Ú_create_test_db   s0    

ÿÿÿ"

z DatabaseCreation._create_test_dbc                 C   sP   | j j}|d }|  |¡r|S tj |d ¡\}}i |¥dd |||¡i¥S d S )Nr   z{}_{}.{})r   r   r	   r   ÚpathÚsplitextÚformat)r   ÚsuffixZorig_settings_dictÚsource_database_nameÚrootÚextr   r   r   Úget_test_db_clone_settings3   s    
z+DatabaseCreation.get_test_db_clone_settingsc              
   C   sø   | j jd }|  |¡d }|  |¡sôt |tj¡r¦|r:d S |dkrZ|  d|  ||¡f ¡ zt 	|¡ W n< t
y¤ } z$|  d| ¡ t d¡ W Y d }~n
d }~0 0 zt ||¡ W n< t
yò } z$|  d| ¡ t d¡ W Y d }~n
d }~0 0 d S )Nr   r   r   r   r   z*Got an error cloning the test database: %s)r   r   r,   r	   r   r   r   r   r   r   r   r   r    ÚshutilÚcopy)r   r(   r!   r"   r)   Ztarget_database_namer#   r   r   r   Ú_clone_test_db<   s(    

ÿ zDatabaseCreation._clone_test_dbc                 C   s   |r|   |¡st |¡ d S )N)r	   r   r   )r   r   r!   r   r   r   Ú_destroy_test_dbT   s    z!DatabaseCreation._destroy_test_dbc                 C   sB   |   ¡ }| jjd g}|  |¡r0| | jj¡ n
| |¡ t|ƒS )a   
        Return a tuple that uniquely identifies a test database.

        This takes into account the special cases of ":memory:" and "" for
        SQLite since the databases will be distinct despite having the same
        TEST NAME. See https://www.sqlite.org/inmemorydb.html
        r   )r   r   r   r	   Úappendr   Útuple)r   r   Úsigr   r   r   Útest_db_signatureY   s    

z"DatabaseCreation.test_db_signatureN)F)F)Ú__name__Ú
__module__Ú__qualname__Ústaticmethodr	   r   r$   r,   r/   r0   r4   r   r   r   r   r   	   s   

	
r   )r   r-   r   Úpathlibr   Z django.db.backends.base.creationr   r   r   r   r   r   Ú<module>   s
   