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o �h4= � @ sz d dl Z d dlZd dlmZ d dlmZ d dlmZ d dlm Z d dl m Z d dl m Z d dlmZ d ZG d d � d �ZdS ) � N)�StringIO)�apps)�settings)� serializers)�router)�atomic)� import_string�test_c @ s� e Zd ZdZdd� Zdd� Zdd� Z d.d d �Zd d� Zdd� Z dd� Z dd� Z dd� Z d/dd�Z d/dd�Zd0dd �Zd d � Zd/d d �Z !d1d"d#�Zd$d%� Zd&d'� Zd(d)� Zd*d+� Zd,d-� Zd!S )2�BaseDatabaseCreationzs Encapsulate backend-specific differences pertaining to creation and destruction of the test database. c C s || _ d S �N)� connection)�selfr � r �V/usr/local/CyberPanel/lib/python3.10/site-packages/django/db/backends/base/creation.py�__init__ � z BaseDatabaseCreation.__init__c C s | j �� S r )r � _nodb_cursor�r r r r r r z!BaseDatabaseCreation._nodb_cursorc C s t j�|tj � d S r )�sys�stderr�write�os�linesep)r �msgr r r �log s zBaseDatabaseCreation.log� FTc C sH ddl m} | �� }|dkr!d}|rd}| �d|| �||�f � | �|||� | j�� |tj | jj d< || jj d< z6| jj d d d u rTtj }d d � t �� D �t_ |d t|d d�d | jj dd� W | jj d d d u rr|t_ n| jj d d d u r�|t_ w |r�| �� | j_|d| jj d� | j�� tj�d�dkr�| �� |S )z� Create a test database, prompting the user for confirmation if the database already exists. Return the name of the test database created. r )� call_commandr �CreatingzUsing existing� %s test database for alias %s...�NAME�TEST�MIGRATEFc S s i | ]}|j d �qS r )�label)�.0�appr r r � <dictcomp>H s �z7BaseDatabaseCreation.create_test_db.<locals>.<dictcomp>�migrateT)� verbosity� interactive�database� run_syncdb�createcachetable)r) �RUNNING_DJANGOS_TEST_SUITE�true)�django.core.managementr �_get_test_db_namer �_get_database_display_str�_create_test_dbr �closer � DATABASES�alias� settings_dict�MIGRATION_MODULESr �get_app_configs�max�serialize_db_to_string�_test_serialized_contents�ensure_connectionr �environ�get� mark_expected_failures_and_skips) r r' � autoclobber� serialize�keepdbr �test_database_name�action�old_migration_modulesr r r �create_test_db sT ��� � ��� z#BaseDatabaseCreation.create_test_dbc C s |d | j jd< dS )z� Set this database up to be used in testing as a mirror of a primary database whose settings are given. r N)r r5 )r �primary_settings_dictr r r �set_as_test_mirrorj s z'BaseDatabaseCreation.set_as_test_mirrorc s. � fdd�}t � }tjd|� d|d� |�� S )z� Serialize all data in the database into a JSON string. Designed only for test runner usage; will not handle large amounts of data. c 3 s� � ddl m} | � j�}t�� D ]>}|jd urN|j|jv rN|jt j vrN|� � D ]&}|j � � j�rMt�� jj|�rM|j�� jj��|j jj�}|�� E d H q'qd S )Nr )�MigrationLoader)�django.db.migrations.loaderrH r r r7 � models_moduler" � migrated_apps�namer �TEST_NON_SERIALIZED_APPS� get_models�_meta� can_migrater �allow_migrate_modelr4 � _base_manager�using�order_by�pk�iterator)rH �loader� app_config�model�querysetr r r � get_objectsy s* � ��� ���z@BaseDatabaseCreation.serialize_db_to_string.<locals>.get_objects�jsonN)�indent�stream)r r r@ �getvalue)r r[ �outr r r r9 q s z+BaseDatabaseCreation.serialize_db_to_stringc C s� t |�}t� }t| jjd��? | j�� �" tjd|| jjd�D ]}|�� |� |j j j j � q W d � n1 s9w Y | jj|d� W d � dS 1 sPw Y dS )zw Reload the database with data from a string generated by the serialize_db_to_string() method. )rS r\ N)� table_names)r �setr r r4 �constraint_checks_disabledr � deserialize�save�add�object� __class__rO �db_table�check_constraints)r �datara �objr r r �deserialize_db_from_string� s �� �"�z/BaseDatabaseCreation.deserialize_db_from_stringc C s$ d| j j|dkrd| f S df S )zR Return display string for a database for use in various actions. z'%s'%s� z ('%s')� )r r4 )r r' � database_namer r r r0 � s ��z.BaseDatabaseCreation._get_database_display_strc C s0 | j jd d r| j jd d S t| j jd S )z� Internal implementation - return the name of the test DB that will be created. Only useful when called from create_test_db() and _create_test_db() and when no external munging is done with the 'NAME' settings. r r )r r5 �TEST_DATABASE_PREFIXr r r r r/ � s z&BaseDatabaseCreation._get_test_db_namec C s |� d| � d S )Nz%CREATE DATABASE %(dbname)s %(suffix)s)�execute)r �cursor� parametersrA r r r �_execute_create_test_db� s z,BaseDatabaseCreation._execute_create_test_dbc C st | � � }| jj�|�| �� d�}| �� ��}z | �|||� W n� ty� } zu|r7|W Y d}~W d � S | �d| � |sFt d| �}|sL|dkr�z |dkr]| �d| � ||�f � |� d| � | �|||� W n( ty� } z| �d | � t � d � W Y d}~nd}~ww | �d � t � d� W Y d}~n d}~ww W d � |S W d � |S 1 s�w Y |S ) zF Internal implementation - create the test db tables. )�dbname�suffixNz+Got an error creating the test database: %szXType 'yes' if you would like to try deleting the test database '%s', or 'no' to cancel: �yesr z,Destroying old test database for alias %s...zDROP DATABASE %(dbname)sz-Got an error recreating the test database: %srn zTests cancelled.)r/ r �ops� quote_name�sql_table_creation_suffixr ru � Exceptionr �inputr0 rr r �exit) r r' r? rA rB �test_db_paramsrs �e�confirmr r r r1 � s` � � �� ������ ��� �#� �#�#z$BaseDatabaseCreation._create_test_dbc C sL | j jd }|dkr d}|rd}| �d|| �||�f � | �|||� dS )z( Clone a test database. r r zCloning test databasezUsing existing clonez%s for alias %s...N)r r5 r r0 �_clone_test_db)r rw r' r? rA �source_database_namerC r r r � clone_test_db� s ��� z"BaseDatabaseCreation.clone_test_dbc C s$ | j j}i |�dd�|d |�i�S )zX Return a modified connection settings dict for the n-th clone of a DB. r z{}_{})r r5 �format)r rw �orig_settings_dictr r r �get_test_db_clone_settings s ��z/BaseDatabaseCreation.get_test_db_clone_settingsc C s t d��)zI Internal implementation - duplicate the test db tables. znThe database backend doesn't support cloning databases. Disable the option to run tests in parallel processes.)�NotImplementedError)r rw r' rA r r r r� s �z#BaseDatabaseCreation._clone_test_dbNc C s� | j �� |du r| j jd }n| �|�d }|dkr.d}|r!d}| �d|| �||�f � |s6| �||� |durK|tj| j j d< || j jd< dS dS )zv Destroy a test database, prompting the user for confirmation if the database already exists. Nr r � Destroying� Preservingr ) r r2 r5 r� r r0 �_destroy_test_dbr r3 r4 )r �old_database_namer' rA rw rB rC r r r �destroy_test_db s* ��� �z$BaseDatabaseCreation.destroy_test_dbc C sF | � � �}|�d| jj�|� � W d � dS 1 s w Y dS )zF Internal implementation - remove the test db tables. zDROP DATABASE %sN)r rr r ry rz )r rB r' rs r r r r� ; s �"�z%BaseDatabaseCreation._destroy_test_dbc C s� ddl m}m} | jjjD ]'}|�d�\}}}|�d�d }|tj v r4t |�}t ||�} t |||| �� q | jjj �� D ]0\} } | D ])}|�d�\}}}|�d�d }|tj v rkt |�}t ||�} t |||| �| �� qBq<dS )z� Mark tests in Django's test suite which are expected failures on this database and test which should be skipped on this database. r )�expectedFailure�skip�.N)�unittestr� r� r �features� django_test_expected_failures� rpartition�splitr �INSTALLED_APPSr �getattr�setattr�django_test_skips�items) r r� r� � test_name�test_case_name�_�test_method_name�test_app� test_case� test_method�reason�testsr r r r> H s( � ���z5BaseDatabaseCreation.mark_expected_failures_and_skipsc C s dS )zQ SQL to append to the end of the test table creation statements. ro r r r r r r{ b s z.BaseDatabaseCreation.sql_table_creation_suffixc C s$ | j j}|d |d |d | �� fS )z� Return a tuple with elements of self.connection.settings_dict (a DATABASES setting value) that uniquely identify a database accordingly to the RDBMS particularities. �HOST�PORT�ENGINE)r r5 r/ )r r5 r r r �test_db_signatureh s �z&BaseDatabaseCreation.test_db_signaturec C s* | � t|��}| jj�|� | j�� d S r )r� �strr r5 �updater2 )r � _worker_idr5 r r r �setup_worker_connectionv s z,BaseDatabaseCreation.setup_worker_connection)r FTF)F)r FF)Nr FN)�__name__� __module__� __qualname__�__doc__r r r rE rG r9 rm r0 r/ ru r1 r� r� r� r� r� r> r{ r� r� r r r r r s0 �J / �# r )r r �ior � django.appsr � django.confr � django.corer � django.dbr �django.db.transactionr �django.utils.module_loadingr rq r r r r r �<module> s
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