o
    gf4                     @  s  d dl mZ d dlZd dlZd dlZd dlmZ d dlmZ d dlmZ d dl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 d
dl
mZ d
dlmZ d
dlmZ ejrkd
dlmZ d
dlmZ d
dlmZ G dd dZe Zedd Zedd Zedd Zedd Z d:ddZ!G dd dZ"d;d d!Z#ej$			"	"d<d=d-d.Z%ej$			/	"d>d?d2d.Z%			"	"	"	"d@d3d.Z%d:d4d5Z&G d6d7 d7Z'G d8d9 d9Z(dS )A    )annotationsN)Any)Dict)Optional   )config)	decorator)
gc_collect   )event)pool)
await_only)Literal)Engine)URL)AsyncEnginec                   @  s   e Zd Zdd Zdd Zdd Zdd Zd	d
 Zdd Zdd Z	dd Z
dd Zdd Zdd Zdd Zdd Zdd Zdd Zdd  Zd!d" Zd#S )$ConnectionKillerc                 C  s"   t  | _tt| _t | _d S N)weakrefWeakKeyDictionary
proxy_refscollectionsdefaultdictsettesting_enginesdbapi_connectionsself r   \/var/www/html/ecg_monitoring/venv/lib/python3.10/site-packages/sqlalchemy/testing/engines.py__init__%   s   
zConnectionKiller.__init__c                 C  sD   t |d| j t |d| j t |d| j t |d| j d S )Ncheckoutcheckincloseclose_detached)r   listen	_add_conn_remove_conn)r   r   r   r   r   add_pool*   s   zConnectionKiller.add_poolc                 C  s   | j | d| j|< d S )NT)r   addr   )r   	dbapi_con
con_record	con_proxyr   r   r   r&   2   s   zConnectionKiller._add_connc                 G  s   | j | d S r   )r   discard)r   
dbapi_connargr   r   r   r'   6   s   zConnectionKiller._remove_connc                 C  s,   |  |j |dv sJ | j| | d S )N)classglobalfunctionfixture)r(   r   r   r)   )r   enginescoper   r   r   
add_engine9   s   zConnectionKiller.add_enginec              
   C  B   z|  W d S  t y  } ztd|  W Y d }~d S d }~ww )Nz5testing_reaper couldn't rollback/close connection: %s	Exceptionwarningswarnr   fner   r   r   _safe?   s   zConnectionKiller._safec                 C  s.   t | jD ]}|d ur|jr| |j qd S r   )listr   is_validr?   rollbackr   recr   r   r   rollback_allG   s
   zConnectionKiller.rollback_allc                 C  s^   t | jD ]}|d ur|jr| j|j | |j q| jD ]}| |j q| j	  d S r   )
r@   r   rA   r   r-   dbapi_connectionr?   _checkinrB   clear)r   rD   conr   r   r   checkin_allL   s   
zConnectionKiller.checkin_allc                 C  s   |    d S r   )rJ   r   r   r   r   	close_all[      zConnectionKiller.close_allc                 C  s*   t jsd S ddlm} ||jj| d S Nr   )	provision)r   bootstrapped_as_sqlalchemy rN   prepare_for_drop_tablesr4   url)r   
connectionrN   r   r   r   rQ   ^   s   z(ConnectionKiller.prepare_for_drop_tablesc                 C  s   | j | }t|D ]2}t| jD ]}|d ur*|jr*|jd ur*|j|ju r*| |j qt|dr7t	|
  q	|
  q	|  d S )Nsync_engine)r   r@   r   rA   _poolr   r?   rG   hasattrr   disposerH   )r   r5   engrD   	proxy_refr   r   r   _drop_testing_enginesg   s   



z&ConnectionKiller._drop_testing_enginesc                 C     |  d d S )Nr2   )rZ   r   r   r   r   
after_testx      zConnectionKiller.after_testc                 C  sj   t jsd S |jjrd S |   ddlm} t j }|	|j
j| W d    d S 1 s.w   Y  d S rM   )r   rO   	__class__"__leave_connections_for_teardown__rJ   rP   rN   dbconnectrQ   r4   rR   )r   testrN   connr   r   r   after_test_outside_fixtures{   s   "z,ConnectionKiller.after_test_outside_fixturesc                 C  s    |    | d | d d S )Nr2   r0   )rJ   rZ   r   r   r   r   stop_test_class_inside_fixtures   s   
z0ConnectionKiller.stop_test_class_inside_fixturesc                 C  sD   t jjrt  t jjr tt jj}t jj  	J d| d S d S )NFz/%d connection recs not cleared after test suite)r   base_strong_ref_connection_recordsr	   lenrH   )r   lnr   r   r    stop_test_class_outside_fixtures   s   z1ConnectionKiller.stop_test_class_outside_fixturesc                 C  s"   |    | jD ]}| | qd S r   )rJ   r   rZ   )r   r5   r   r   r   final_cleanup   s   
zConnectionKiller.final_cleanupc                 C  s   | j D ]}|jr
J qd S r   )r   rA   rC   r   r   r   assert_all_closed   s
   
z"ConnectionKiller.assert_all_closedN)__name__
__module____qualname__r    r(   r&   r'   r6   r?   rE   rJ   rK   rQ   rZ   r\   rd   re   rj   rk   rl   r   r   r   r   r   $   s$    	r   c                 O  s(   z| |i | W t   d S t   w r   )testing_reaperrl   r=   argskwr   r   r   assert_conns_closed   s   rt   c                 O  (   z| |i | W t   dS t   w )zBDecorator that rolls back all open connections after fn execution.N)rp   rE   rq   r   r   r   rollback_open_connections   s   rv   c                 O  s   t   | |i | dS )z:Decorator that closes all connections before fn execution.Nrp   rJ   rq   r   r   r   close_first   s   rx   c                 O  ru   )z9Decorator that closes all connections after fn execution.Nrw   rq   r   r   r   close_open_connections   s   ry   c                 c  sZ    dd l m} |jD ] }| r|| v rq
t||d }|s%ttd| j|}| V  q
d S )Nr   zsqlalchemy.dialects.%s)sqlalchemy.dialectsdialects__all__getattr
__import__dialect)excludednamemodr   r   r   all_dialects   s   
r   c                   @  s>   e Zd Zdd Zdd Zdd Zdd Zdd
dZdd ZdS )ReconnectFixturec                 C  s   || _ g | _d| _d S NF)dbapiconnections
is_stopped)r   r   r   r   r   r          
zReconnectFixture.__init__c                 C     t | j|S r   )r}   r   r   keyr   r   r   __getattr__   rL   zReconnectFixture.__getattr__c                 O  sN   | j j|i |}| jr| |j | }|d J d| j| |S )Nzselect 1Fz%simulated connect failure didn't work)	r   ra   r   r?   r#   cursorexecuter   append)r   rr   kwargsrc   cursr   r   r   ra      s   
zReconnectFixture.connectc              
   C  r7   )Nz.ReconnectFixture couldn't close connection: %sr8   r<   r   r   r   r?      s   zReconnectFixture._safeFc                 C  s,   || _ t| jD ]}| |j qg | _d S r   )r   r@   r   r?   r#   )r   stopcr   r   r   shutdown   s   
zReconnectFixture.shutdownc                 C  s
   d| _ d S r   )r   r   r   r   r   restart     
zReconnectFixture.restartN)F)	rm   rn   ro   r    r   ra   r?   r   r   r   r   r   r   r      s    
r   c                   sj   | pt jj} t jjj}|si }t||d< t| |j  fdd}jjj_	jjj
_|_S )Nmodulec                     s    j j  dj j_   d S r   )r   r   r   r   r   _disposer4   r   r   rW     s   

z$reconnecting_engine.<locals>.dispose)r   r`   rR   r   r   r   testing_enginerW   r   test_shutdownr   test_restart)rR   optionsr   rW   r   r   r   reconnecting_engine
  s   

r   FrR   Optional[URL]r   Optional[Dict[str, Any]]asyncioLiteral[False]transfer_staticpoolboolreturnr   c                 C     d S r   r   rR   r   r   r   r   r   r   r        r   TLiteral[True]r   c                 C  r   r   r   r   r   r   r   r   '  r   c                 C  s  |r|rJ ddl m} nddlm} ddlm} |s"d}d}	d}
n|dd}|d	d}	|d
d}
| p9tjj	} || } tjd u sK| j
tjj	j
krTtjrTtj }ni }|d ur_|| || fi |}|
r|jdkrt|ddd }t|ddd }|rddlm} tjd urttjj|rd}|jtjj n|rtjj|_|	dkr|rd|j_nd|_t|jtjrd|vrd|vrd|vrd|j_d|j_|rt||	 |S )Nr   )create_async_engine)create_engine)make_urlTr2   F
use_reaperr5   sqlite_savepointsqlitera   c                 S  s
   d | _ d S r   )isolation_level)rF   connection_recordr   r   r   
do_connect\  s   
z"testing_engine.<locals>.do_connectbeginc                 S  r[   )NBEGIN)exec_driver_sql)rc   r   r   r   do_begin`  s   z testing_engine.<locals>.do_begin)
StaticPoolr1   r   pool_timeoutmax_overflow)sqlalchemy.ext.asyncior   
sqlalchemyr   sqlalchemy.engine.urlr   popr   r`   rR   
drivernamedb_optscopyupdater   r   listens_forsqlalchemy.poolr   
isinstancer   _transfer_fromrT   _has_events	QueuePool_timeout_max_overflowrp   r6   )rR   r   r   r   
share_pool_sqlite_savepointr   r   r   r5   r   use_optionsr4   r   r   r   r   r   r   r   0  sd   






c                   sr   ddl m} | stjj} g   fdd} fdd}fdd}|| d	 |td
r.J  _|_|_S )a'  Provides a mocking engine based on the current testing.db.

    This is normally used to test DDL generation flow as emitted
    by an Engine.

    It should not be used in other cases, as assert_compile() and
    assert_sql_execution() are much better choices with fewer
    moving parts.

    r   )create_mock_enginec                   s     |  d S r   )r   )sqlars   bufferr   r   executor  r]   zmock_engine.<locals>.executorc                   s"   dd  D }|| ksJ |d S )Nc                 S  s   g | ]}t d dt|qS )z[\n\t]rP   )resubstr.0sr   r   r   
<listcomp>  s    z3mock_engine.<locals>.assert_sql.<locals>.<listcomp>r   )stmtsrecvr   r   r   
assert_sql  s   zmock_engine.<locals>.assert_sqlc                     s    j  d fddjD S )N
c                 3  s     | ]}t |j d V  qdS ))r   N)r   compiler   r   r   r   	<genexpr>  s    z1mock_engine.<locals>.print_sql.<locals>.<genexpr>)r   joinmockr   )r4   r   r   	print_sql  s   zmock_engine.<locals>.print_sqlz://r   )	r   r   r   r`   r   rV   r   r   r   )dialect_namer   r   r   r   r   )r   r4   r   mock_engine  s   r   c                   @  s:   e Zd ZdZdd ZdddZdd Zd	d
 Zdd ZdS )DBAPIProxyCursorzuProxy a DBAPI cursor.

    Tests can provide subclasses of this to intercept
    DBAPI-level cursor operations.

    c                 O  s"   || _ || _|j|i || _d S r   )r4   rS   r   )r   r4   rc   rr   r   r   r   r   r      s   zDBAPIProxyCursor.__init__Nc                 K  s.   |r| j j||fi |S | j j|fi |S r   )r   r   )r   stmt
parametersrs   r   r   r   r     s   zDBAPIProxyCursor.executec                 K  s   | j j||fi |S r   )r   executemany)r   r   paramsrs   r   r   r   r     s   zDBAPIProxyCursor.executemanyc                 C  s
   t | jS r   )iterr   r   r   r   r   __iter__  r   zDBAPIProxyCursor.__iter__c                 C  r   r   )r}   r   r   r   r   r   r     rL   zDBAPIProxyCursor.__getattr__r   )	rm   rn   ro   __doc__r    r   r   r   r   r   r   r   r   r     s    
r   c                   @  s0   e Zd ZdZdd Zdd Zdd Zdd	 Zd
S )DBAPIProxyConnectionz}Proxy a DBAPI connection.

    Tests can provide subclasses of this to intercept
    DBAPI-level connection operations.

    c                 C  s   || _ || _|| _d S r   )rc   r4   
cursor_cls)r   r4   rc   r   r   r   r   r      r   zDBAPIProxyConnection.__init__c                 O  s   | j | j| jg|R i |S r   )r   r4   rc   )r   rr   r   r   r   r   r     s   zDBAPIProxyConnection.cursorc                 C  s   | j   d S r   )rc   r#   r   r   r   r   r#     r]   zDBAPIProxyConnection.closec                 C  r   r   )r}   rc   r   r   r   r   r     rL   z DBAPIProxyConnection.__getattr__N)rm   rn   ro   r   r    r   r#   r   r   r   r   r   r     s    r   r   )NN)NNFF)
rR   r   r   r   r   r   r   r   r   r   )NNTF)
rR   r   r   r   r   r   r   r   r   r   )NNFFFF))
__future__r   r   r   typingr   r   r   r:   r   rP   r   utilr   r	   r   r   r   util.typingr   TYPE_CHECKINGr4   r   
engine.urlr   ext.asyncior   r   rp   rt   rv   rx   ry   r   r   r   overloadr   r   r   r   r   r   r   r   <module>   sp   	 

	



+	

S&