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a _�h � @ sN d Z ddlmZ ddd�Zdd� Zdd � Zd d � Zd d � Zdd� Zdd� Z dS )zhRoutines to handle adaption of legacy call signatures, generation of deprecation notes and docstrings. � )�utilNc s � ��fdd�}|S )Nc s& t | d�sg | _| j��� �f� | S )N�_legacy_signatures)�hasattrr �append)�fn��argnames� converter�since� ��/root/rpmbuild/BUILDROOT/imh-python39-modules-3.9.7-92.el8.x86_64/opt/imh-python/lib/python3.9/site-packages/sqlalchemy/event/legacy.py�leg s z _legacy_signature.<locals>.legr )r r r r r r r �_legacy_signature s r c s� �j D ]�\}� �� d dkr.d�� dd� � nd�t� �t|j�kr�t|j�u r�rn�r^J ���fdd�}n� ���fdd�}| S q�S ) N���z**kwT� Fc s �� | � � S �Nr )�args)�convr r r �wrap_leg) s z%_wrap_fn_for_legacy.<locals>.wrap_legc s@ t t�j| ��� � fdd��D �} �r4�| i |��S �| � S d S )Nc s g | ] }� | �qS r r )�.0�name�Zargdictr r � <listcomp>0 � z9_wrap_fn_for_legacy.<locals>.wrap_leg.<locals>.<listcomp>)�dict�zip� arg_names)r �kw)r �dispatch_collectionr �has_kwr r r . s )�legacy_signatures�lenr �bool�varkw)r r Zargspecr r r )r r r r r r �_wrap_fn_for_legacy s � r$ c s d� � fdd�| �d�D ��S )N� c 3 s | ]}� | V qd S r r )r �line��indentr r � <genexpr>< r z_indent.<locals>.<genexpr>)�join�split)�textr( r r' r �_indent; s r- c C s� t d�dd� | jdd� D ��d�}| jr@tdd� | jD ��}nd }d}t| j�d kr^|d 7 }||rld | nd |j| jr|d nd d�| j�||d�; }|S )Nr% c s s | ]}d d|i V qdS )z%(arg)s = kw['%(arg)s']�argNr )r r. r r r r) A s �z+_standard_listen_example.<locals>.<genexpr>r r z c s s | ]\}}}|V qd S r r )r r r r r r r r) H s �a from sqlalchemy import event # standard decorator style%(current_since)s @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) ... � z� # named argument style (new in 0.9) @event.listens_for(%(sample_target)s, '%(event_name)s', named=True) def receive_%(event_name)s(**kw): "listen for the '%(event_name)s' event" %(example_kw_arg)s # ... (event handling logic) ... z (arguments as of %s)� �, **kw�, )� current_since� event_name�has_kw_arguments�named_event_arguments�example_kw_arg� sample_target)r- r* r r �maxr! �__name__r )r r8 r r7 r3 r, r r r �_standard_listen_example? s8 ��� � � � � r; c C sD d}| j D ]4\}}}|d||j| jr(dndd�|�|d� 7 }q |S )Nr0 a& # 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) ... z **kwr2 )r r4 r5 r6 r8 )r r: r r* )r r8 r r, r r r r r r �_legacy_listen_examplesp s ����r< c C s: |j d \}}}d|| j|jd�|j�|jr0dndd� S )Nr a> .. deprecated:: %(since)s The :class:`.%(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.r2 r1 r0 )r Zclsnamer4 r6 r5 )r r: r r* r r )�parent_dispatch_clsr r r r r r r �_version_signature_changes� s ���r> c C s` d}t |dd�}|tt| ||�d� }| jrP|tt| ||�d�7 }|t|| �7 }t�|j|d�S )Nz@.. container:: event_signatures Example argument forms:: Z_target_class_doc�objz � ) �getattrr- r; r r< r> r Zinject_docstring_text�__doc__)r r= r �headerr8 r, r r r �_augment_fn_docs� s � � ��rD )N) rB r0 r r r$ r- r; r< r> rD r r r r �<module> s !1
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