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� 1��fc @ s\ d Z d d l m Z d d � Z d � Z d � Z d � Z d � Z d � Z d � Z d S( sh Routines to handle adaption of legacy call signatures, generation of deprecation notes and docstrings. i ( t utilc s � � � f d � } | S( Nc s8 t | d � s g | _ n | j j � � � f � | S( Nt _legacy_signatures( t hasattrR t append( t fn( t argnamest convertert since( sJ /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/event/legacy.pyt leg s ( ( R R R R ( ( R R R sJ /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/event/legacy.pyt _legacy_signature s c s x� j D]\ � � � � d d k r? t � � d d !� n t � t � � t | j � k r � t | j � k r d � j d j � j � � r� d n d f } d � j � j � | f � � r� � s� t � � � � � f d � } n � � � � � � f d � } | Sq W� Sd S( Ni����s **kwi s def %s(%s%s)s , s , **kwt s� The argument signature for the "%s.%s" event listener has changed as of version %s, and conversion for the old argument signature will be removed in a future release. The new signature is "%s"c s# t j � d � �� � | � � S( Nt version( R t warn_deprecated( t args( t convR R t warning_txt( sJ /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/event/legacy.pyt wrap_leg; s c si t j � d � �t t � j | � � } g � D] } | | ^ q2 } � r[ � | | � S� | � Sd S( NR ( R R t dictt zipt arg_names( R t kwt argdictt name( R t dispatch_collectionR t has_kwR R ( sJ /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/event/legacy.pyR A s ( t legacy_signaturest Truet Falset lenR t boolt varkwR t joinR t clsnamet AssertionError( R R t argspect formatted_defR ( ( R R R R R R R sJ /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/event/legacy.pyt _wrap_fn_for_legacy s, ! c s& d j � f d � | j d � D� � S( Ns c 3 s | ] } � | Vq d S( N( ( t .0t line( t indent( sJ /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/event/legacy.pys <genexpr>P s ( R t split( t textR' ( ( R' sJ /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/event/legacy.pyt _indentO s c C s� t d j d � | j d d !D� � d � } | j rQ t d � | j D� � } n d } d } | i | rs d | n d d 6| j d 6| j r� d n d d 6d j | j � d 6| d 6| d 6;} | S( Ns c s s | ] } d i | d 6Vq d S( s %(arg)s = kw['%(arg)s']t argN( ( R% R+ ( ( sJ /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/event/legacy.pys <genexpr>V s i i s c s s | ] \ } } } | Vq d S( N( ( R% R R R ( ( sJ /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/event/legacy.pys <genexpr>] s s� from sqlalchemy import event @event.listens_for(%(sample_target)s, '%(event_name)s') def receive_%(event_name)s(%(named_event_arguments)s%(has_kw_arguments)s): "listen for the '%(event_name)s' event" # ... (event handling logic) ... s (arguments as of %s)R t current_sincet event_names , **kwt has_kw_argumentss , t named_event_argumentst example_kw_argt sample_target( R* R R R t maxt Nonet __name__R ( R R1 R R0 R, R) ( ( sJ /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/event/legacy.pyt _standard_listen_exampleS s( c C ss d } xf | j D][ \ } } } | d i | d 6| j d 6| j rH d n d d 6d j | � d 6| d 67} q W| S( NR s& # DEPRECATED calling style (pre-%(since)s, will be removed in a future release) @event.listens_for(%(sample_target)s, '%(event_name)s') def receive_%(event_name)s(%(named_event_arguments)s%(has_kw_arguments)s): "listen for the '%(event_name)s' event" # ... (event handling logic) ... R R- s **kwR. s , R/ R1 ( R R4 R R ( R R1 R R) R R R ( ( sJ /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/event/legacy.pyt _legacy_listen_examplesx s c su � j d \ } } } d i | d 6� j d 6� j d 6d j � � f d � � j D� � d 6� j rl d n d d 6S( Ni s= .. versionchanged:: %(since)s The :meth:`.%(clsname)s.%(event_name)s` event now accepts the arguments %(named_event_arguments)s%(has_kw_arguments)s. Support for listener functions which accept the previous argument signature(s) listed above as "deprecated" will be removed in a future release.R R R- s , c 3 s4 | ]* } d i � j d 6� j d 6| d 6Vq d S( s6 :paramref:`.%(clsname)s.%(event_name)s.%(param_name)s`R R- t param_nameN( R4 R ( R% R7 ( R t parent_dispatch_cls( sJ /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/event/legacy.pys <genexpr>� s R/ s , **kwR R. ( R R4 R R R R ( R8 R R R R ( ( R R8 sJ /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/event/legacy.pyt _version_signature_changes� s c C s� d } t | d d � } | t t | | | � d � } | j ru | t t | | | � d � 7} | t | | � 7} n t j | j | d � S( Ns@ .. container:: event_signatures Example argument forms:: t _target_class_doct objt i i s s ( t getattrR* R5 R R6 R9 R t inject_docstring_textt __doc__( R R8 R t headerR1 R) ( ( sJ /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/event/legacy.pyt _augment_fn_docs� s N( R? R R R3 R R$ R* R5 R6 R9 RA ( ( ( sJ /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/event/legacy.pyt <module> s 5 %