U
    [h                     @   s  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 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 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 ddlmZ eddd Zeddd Zeddd Zeddd Zdd Zedd d! Zedd"d# Zedd$d% Zedd&d' Zedd(d) Zd*S )+    )inspect)Integer   )create_engine)exc)Column)DropConstraint)ForeignKeyConstraint)MetaData)Table)	create_db)"drop_all_schema_objects_pre_tables)drop_db)generate_driver_url)get_temp_table_name)log)normalize_sequence)post_configure_engine)run_reap_dbs)temp_table_keyword_argsZmssqlc                 C   s   |j dkrd|jj_d S )NpyodbcF)driverZdialectZdbapiZpooling)urlZengineZfollower_ident r   I./venv/lib/python3.8/site-packages/sqlalchemy/dialects/mssql/provision.pyr      s    
r   c                 C   s   |   }| jd||f d}|dkr0|jdd}|dkrF|ddi}|rT||}z|  W n tjk
rx   Y d S X |S d S )	Nz%s+%s)Z
drivername)r   aioodbc )Zqueryr   ZMARS_ConnectionZYes)Zget_backend_namesetZupdate_query_dictZupdate_query_stringZget_dialectr   ZNoSuchModuleError)r   r   Z	query_strZbackendZnew_urlr   r   r   r   $   s    
r   c              	   C   sl   |  jddR}|d|  |d|  |d|  |d|  |d |d W 5 Q R X d S )	N
AUTOCOMMITZisolation_levelzcreate database %sz1ALTER DATABASE %s SET ALLOW_SNAPSHOT_ISOLATION ONz0ALTER DATABASE %s SET READ_COMMITTED_SNAPSHOT ONzuse %szcreate schema test_schemazcreate schema test_schema_2)connectexecution_optionsexec_driver_sqlcfgengidentconnr   r   r   _mssql_create_db;   s    
r(   c              	   C   s*   |  jdd}t|| W 5 Q R X d S )Nr   r   )r    r!   _mssql_drop_ignorer#   r   r   r   _mssql_drop_dbJ   s    r*   c              
   C   s\   z |  d|  td| W dS  tjk
rV } ztd| W Y dS d }~X Y nX d S )Nzdrop database %szReaped db: %sTzcouldn't drop db: %sF)r"   r   infor   ZDatabaseErrorZwarning)r'   r&   errr   r   r   r)   P   s    r)   c              	   C   s   t d|  t| }| jdd}t dd| |d}dd |D }t }|D ]}||krZ|| qZd	 }}	t	|d
D ]\}	}
t
||
r|d
7 }qt d||	 W 5 Q R X d S )Nzdb reaper connecting to %rr   r   zidentifiers in file: %sz, zselect d.name from sys.databases as d where name like 'TEST_%' and not exists (select session_id from sys.dm_exec_sessions where database_id=d.database_id)c                 S   s   h | ]\}|  qS r   )lower).0dbnamer   r   r   	<setcomp>n   s     z"_reap_mssql_dbs.<locals>.<setcomp>r      z-Dropped %d out of %d stale databases detected)r   r+   r   r    r!   joinr"   r   add	enumerater)   )r   Zidentsr%   r'   Zto_reapZ	all_namesZto_dropnameZdroppedtotalr/   r   r   r   _reap_mssql_dbsa   s*    

  r7   c                 C   s   i S )Nr   )r$   r%   r   r   r   _mssql_temp_table_keyword_args}   s    r8   c                 C   s   d| S )Nz##r   )r$   r%   	base_namer   r   r   _mssql_get_temp_table_name   s    r:   c                 C   s   |  jdd}t|}d d| j| jfD ]v}|j|dD ]d}t|t tdt	tdt	|d}t|j
||dD ],}|tt|jjg|jjg|d d qpq:q*W 5 Q R X d S )	Nr   r   Zdbo)schemaxyr5   )r5   )r    r!   r   Ztest_schemaZtest_schema_2Zget_table_namesr   r
   r   r   Zget_foreign_keysZexecuter   r	   cr<   r=   )r$   r%   r'   Z	inspectorr;   ZtnametbZfkr   r   r   r      s*      r   c                 C   s   |j d krd|_ |S )Nr1   )start)r$   Zsequencer   r   r   r      s    
r   N)Z
sqlalchemyr   r   r   r   r   r;   r   r   r	   r
   r   Ztesting.provisionr   r   r   r   r   r   r   r   r   r   Zfor_dbr(   r*   r)   r7   r8   r:   r   r   r   r   <module>	   sJ   







