0x1998 - MANAGER
Düzenlenen Dosya: unitofwork.cpython-37.pyc
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TN)r5 )r7 r �isdeleter r r �remove_state_actions� s z#UOWTransaction.remove_state_actionsc C s� d||f}|| j kr�| j | \}}}|t j@ s�|t j@ r�|j| j}|�||jt jt jB �}|rp|jrp|� � }n|}|||f| j |< nJ|j| j}|�||j|t jB �}|r�|jr�|� � }n|}|||f| j |< |S )zOfacade to attributes.get_state_history(), including caching of results.�history) r ZSQL_OKr �implZ get_history�dictr; ZLOAD_AGAINST_COMMITTEDZ uses_objectsZas_state) r7 r r ZpassiveZhashkeyrE Z state_historyZcached_passiverF r r r �get_attribute_history� s, z$UOWTransaction.get_attribute_historyc C s |df| j kS )NT)r2 )r7 � processorr r r �has_dep s zUOWTransaction.has_depc C s& ||f}|| j kr"t||�| j |< d S )N)r2 � Preprocess)r7 rI � fromparentr r r r �register_preprocessor s z$UOWTransaction.register_preprocessorFNc C s� | j �|�s8|js4|d k r4t�dt�|�||f � dS || jkr~|jj }|| j kr^| � |� | j | � |� ||f| j|< n|s�|s�|r�|df| j|< dS )NzJObject of type %s not in session, %s operation along '%s' will not proceedFT) r r Zdeletedr �warn�orm_utilZstate_class_strr5 r r r1 �_per_mapper_flush_actions�add)r7 r rC �listonlyZ cancel_deleteZ operationr r r r r �register_object s z UOWTransaction.register_objectc C s0 |j jj}| j| \}}|�|� |�|� d S )N)r r � base_mapperr6 rQ �update)r7 r Zpost_update_colsr r5 �colsr r r �register_post_update- s z#UOWTransaction.register_post_updatec C sn t | |j�}t| |j�}| j�||f� x|jD ]}|�| � q0W x&|jD ] }|jrVqJ|j }|�| � qJW d S )N) � SaveUpdateAllrT � DeleteAllr4 rQ Z_dependency_processorsZper_property_preprocessorsZ relationshipsZviewonlyZ_dependency_processor)r7 r ZsavesZdeletes�depr r r r rP 3 s z(UOWTransaction._per_mapper_flush_actionsc C s t �dd� �S )a return a dynamic mapping of (Mapper, DependencyProcessor) to True or False, indicating if the DependencyProcessor operates on objects of that Mapper. The result is stored in the dictionary persistently once calculated. c S s | d j �| d j�| d jkS )Nr? r )r �getr r )�tupr r r r- L r. z0UOWTransaction._mapper_for_dep.<locals>.<lambda>)r Z PopulateDict)r7 r r r �_mapper_for_depA s z UOWTransaction._mapper_for_depc s | j �� �fdd�|D �S )zmFilter the given list of InstanceStates to those relevant to the given DependencyProcessor. c s g | ]}�|j j� f r|�qS r )r r )�.0�s)rZ �mapper_for_depr r � <listcomp>U s z8UOWTransaction.filter_states_for_dep.<locals>.<listcomp>)r] )r7 rZ r5 r )rZ r` r �filter_states_for_depO s z$UOWTransaction.filter_states_for_depc c sF ||f}x8|j jD ],}x&| j| D ]}| j| |kr"|V q"W qW d S )N)rT �self_and_descendantsr1 r5 )r7 r rC rR Zchecktupr r r r �states_for_mapper_hierarchyW s z*UOWTransaction.states_for_mapper_hierarchyc s^ x4d}x$t � j�� �D ]}|�� �rd}qW |sP qW t�� jt � j�� �� � _}|�r@t � fdd�|D ��}x�t � j�D ]�}d|ks�|d j s�|d j s�|� |�r�� j� |� q||d |kr�� j� |� xn||d D ]}� j� ||d f� q�W q||d |kr|� j� |� x*||d D ]}� j� |d |f� �q W q|W tdd � � j�� D ���|�S ) z}Generate the full, unsorted collection of PostSortRecs as well as dependency pairs for this UOWTransaction. 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Nc s s | ]\}\}}|r|V qd S )Nr )r^ r_ rC rR r r r rg � s z8UOWTransaction.finalize_flush_changes.<locals>.<genexpr>)r5 r) �itemsro r r= Z_register_persistent)r7 r5 Zisdel�otherr r r �finalize_flush_changes� s z%UOWTransaction.finalize_flush_changes)FFFNN)�__name__� __module__� __qualname__r8 �propertyr: r> r@ rB rD r ZPASSIVE_NO_INITIALIZErH rJ rM rS rW rP r Zmemoized_propertyr] rb rd rr rl ry r r r r r, � s, - . 4r, c @ s e Zd Zdd� ZdS )�IterateMappersMixinc s2 � j r$t� �fdd�� jjjD ��S � jjjS d S )Nc 3 s" | ]}�j |� jf r|V qd S )N)r] �dependency_processor)r^ �m)r7 �uowr r rg � s z/IterateMappersMixin._mappers.<locals>.<genexpr>)rL �iterr �parentrc r )r7 r� r )r7 r� r �_mappers� s z IterateMappersMixin._mappersN)rz r{ r| r� r r r r r~ � s r~ c @ s e Zd ZdZdd� Zdd� ZdS )rK )r rL � processed�setup_flush_actionsc C s || _ || _t� | _d| _d S )NF)r rL r) r� r� )r7 r rL r r r r8 � s zPreprocess.__init__c C s� t � }t � }xZ| �|�D ]L}xF|j| �| j�D ]0}|j| \}}|s0|rV|�|� q0|�|� q0W qW |r�| j�||� | j� |� |r�| j� ||� | j� |� |s�|r�| j s�| j� ||d�s�| j� ||d�r�| j� |� d| _ dS dS d S )NTF)r) r� r1 ro r� r5 rQ r Zpresort_deletesrU Z presort_savesr� Zprop_has_changesZper_property_flush_actions)r7 r� Z delete_statesZ save_statesr r rC rR r r r rl � s2 zPreprocess.executeN)rz r{ r| � __slots__r8 rl r r r r rK � s rK c @ s e Zd ZdZdd� Zdd� ZdS )� PostSortRec)rh c G s@ | f| }||j kr |j | S t�| � |j |< }d|_|S d S )NF)r3 �object�__new__rh )�clsr� �argsr rA r r r r� � s zPostSortRec.__new__c C s | � |� d S )N)rl )r7 r� �recsr r r rt s z PostSortRec.execute_aggregateN)rz r{ r| r� r� rt r r r r r� � s r� c @ s8 e Zd ZdZdd� Zdd� Zdd� Zdd � Zd d � Zd S ) � ProcessAll)r rC rL c C s* || _ || _|| _|j|jj �|� d S )N)r rC rL r0 r� rT rQ )r7 r� r rC rL r r r r8 s zProcessAll.__init__c C s2 | � |�}| jr | j�||� n| j�||� d S )N)� _elementsrC r �process_deletes� process_saves)r7 r� r5 r r r rl s zProcessAll.executec C s t g �S )N)r� )r7 r� r r r re s z"ProcessAll.per_state_flush_actionsc C s d| j j| j| jf S )Nz%s(%s, isdelete=%s))� __class__rz r rC )r7 r r r �__repr__% s zProcessAll.__repr__c c sN xH| � |�D ]:}x4|j| D ]&}|j| \}}|| jkr |s |V q W q W d S )N)r� r1 r5 rC )r7 r� r r rC rR r r r r� , s zProcessAll._elementsN) rz r{ r| r� r8 rl re r� r� r r r r r� s r� c @ s e Zd ZdZdd� Zdd� ZdS )� PostUpdateAll)r rC c C s || _ || _d S )N)r rC )r7 r� r rC r r r r8 7 s zPostUpdateAll.__init__c s: �j � j \}}� �fdd�|D �}t�� j|�|� d S )Nc s$ g | ] }�j | d � jkr|�qS )r? 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)r5 )r^ r_ )r� r r ra � s )r� r r� r r r� )r7 r� r� r� r5 r )r� r r� r rt � s z DeleteState.execute_aggregatec C s d| j jt�| j�f S )Nz%s(%s))r� rz rO r� r )r7 r r r r� � s zDeleteState.__repr__N)rz r{ r| r� r8 rt r� r r r r r� � s r� N)�__doc__� r r r< r r rO r r r+ r� r, r~ rK r� r� r� rX rY r� r� r� r r r r �<module> s* i > 2(###
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