o
    `Zh]                     @   sL   d dl Z d dlmZ d dlmZ d dlmZ d dlmZ G dd deZ	dS )    N)ImproperlyConfigured)BaseDatabaseCreation)errors)strip_quotesc                       sJ   e Zd Zdd ZdddZdd Zdd	 Zd fdd	ZdddZ  Z	S )DatabaseCreationc                 C   s   | j j|S )N)
connectionopsZ
quote_name)selfname r   ]/var/www/html/lang_env/lib/python3.10/site-packages/django/db/backends/postgresql/creation.py_quote_name
   s   zDatabaseCreation._quote_nameNc                 C   s:   d}|r|d |7 }|r|d | |7 }|od| S )N z ENCODING '{}'z TEMPLATE {}ZWITH)formatr   )r	   encodingtemplatesuffixr   r   r   _get_database_create_suffix   s   z,DatabaseCreation._get_database_create_suffixc                 C   s:   | j jd }|dd urtd| j|d |ddS )NTESTZ	COLLATIONzHPostgreSQL does not support collation setting at database creation time.CHARSETTEMPLATE)r   r   )r   settings_dictgetr   r   )r	   Ztest_settingsr   r   r   sql_table_creation_suffix   s   z*DatabaseCreation.sql_table_creation_suffixc                 C   s   | dt|g | d uS )Nz7SELECT 1 FROM pg_catalog.pg_database WHERE datname = %s)executer   Zfetchone)r	   cursorZdatabase_namer   r   r   _database_exists!   s
   z!DatabaseCreation._database_existsFc              
      s   z|r|  ||d rW d S t ||| W d S  tyI } z%t|jtjs4| d|  t	
d n
|s7 W Y d }~d S W Y d }~d S d }~ww )Ndbnamez+Got an error creating the test database: %s   )r   super_execute_create_test_db	Exception
isinstance	__cause__r   ZDuplicateDatabaselogsysexit)r	   r   
parameterskeepdbe	__class__r   r   r    (   s   z(DatabaseCreation._execute_create_test_dbc           	      C   s  | j   | j jd }| |d }| || j|dd}|  c}z	| ||| W nH tyt   z |dkrD| 	d| 
||f  |d|  | ||| W n tyq } z| 	d|  td W Y d }~nd }~ww Y n	w W d    d S W d    d S 1 sw   Y  d S )	NNAME)r   )r   r      z,Destroying old test database for alias %s...zDROP DATABASE %(dbname)sz*Got an error cloning the test database: %sr   )r   closer   Zget_test_db_clone_settingsr   r   Z_nodb_cursorr    r!   r$   Z_get_database_display_strr   r%   r&   )	r	   r   	verbosityr(   Zsource_database_nameZtarget_database_nameZtest_db_paramsr   r)   r   r   r   _clone_test_db9   sB   


" zDatabaseCreation._clone_test_db)NN)F)
__name__
__module____qualname__r   r   r   r   r    r0   __classcell__r   r   r*   r   r   	   s    
r   )
r%   Zdjango.core.exceptionsr   Z django.db.backends.base.creationr   Z)django.db.backends.postgresql.psycopg_anyr   Zdjango.db.backends.utilsr   r   r   r   r   r   <module>   s    