관리-도구
편집 파일: sync.cpython-38.pyc
U -?�f� � @ sp d Z ddlmZ ddlmZ ddlmZ ddlmZ dd� Z d d � Z d d � Z d d� Z dd� Z dd� Zdd� ZdS )zgprivate module containing functions used for copying data between instances based on join conditions. � )� annotations� )�exc)�util)� PassiveFlagc C s | j }|j }|D ]�\} } z(|j| } | j| j j�| |tj�} W n6 tj k rv } zt d|| || | � W 5 d } ~ X Y nX z(|j| } |j| j j� ||| d � W n6 tj k r� } zt d|| || | � W 5 d } ~ X Y nX |r| j r| j r| � | �rd|jd|| f< qd S )NFTZ pk_cascaded)�dict�_columntoproperty�manager�key�impl�getr � PASSIVE_OFFr �UnmappedColumnError�_raise_col_to_prop�set� primary_keyZ references� attributes)�source� source_mapper�dest� dest_mapper�synchronize_pairs� uowcommitZflag_cascaded_pks� source_dictZ dest_dict�l�r�prop�value�err� r �C/opt/hc_python/lib64/python3.8/site-packages/sqlalchemy/orm/sync.py�populate s4 �$ $����r! c C s� |D ]�\}}z|j | }| |j }W n6 tjk rZ } ztd|||||� W 5 d }~X Y nX z|j | }|| |j< W q tjk r� } ztd|||||� W 5 d }~X Y qX qd S )NFT)r r r r r )r r r r r r r r r r r �bulk_populate_inherit_keysA s $ r" c C s� |D ]�\}}|j rJ|�| | j|�tjkrJtd|� d|� dt�| �� d���z|�| | j|d � W q tj k r� } zt dd ||||� W 5 d }~X Y qX qd S )NzDependency rule on column 'z)' tried to blank-out primary key column 'z' on instance '�'T) r �_get_state_attr_by_columnr �orm_utilZ _none_set�AssertionErrorZ state_strZ_set_state_attr_by_columnr r r )r r r r r r r r r �clearQ s ��� �r' c C s� |D ]�\}}z*|� | �� |�}|j| | j|tjd�}W n6 tjk rl } ztd||d || � W 5 d } ~ X Y nX |||j < ||||j < qd S �N)ZpassiveF) Z _get_committed_attr_by_column�objr$ r r r r r r r ) r r r Z old_prefixr r r Zoldvaluer r r r r �updatec s � � $ r* c C sn |D ]d\}}z|j | | j|tjd�}W n6 tjk r\ } ztd||d ||� W 5 d }~X Y nX |||j< qd S r( )r$ r r r r r r r )r r Zdict_r r r r r r r r � populate_dictr s � $r+ c C sz |D ]p\}}z|j | }W n6 tjk rP } ztd||d||� W 5 d}~X Y nX | �||jtj�}t|j �r dS qdS )zpreturn true if the source object has changes from an old to a new value on the given synchronize pairs FNT) r r r r Zget_attribute_historyr r ZPASSIVE_NO_INITIALIZE�boolZdeleted) r r r r r r r r �historyr r r �source_modified~ s $ � r. c C s4 | rt �d||f �|�nt �d|||f �|�d S )Nz�Can't execute sync rule for destination column '%s'; mapper '%s' does not map this column. Try using an explicit `foreign_keys` collection which does not include this column (or use a viewonly=True relation).z�Can't execute sync rule for source column '%s'; mapper '%s' does not map this column. Try using an explicit `foreign_keys` collection which does not include destination column '%s' (or use a viewonly=True relation).)r r )Zisdestr Z source_columnr Z dest_columnr r r r r � s ������r N)�__doc__� __future__r � r r r% �baser r! r" r' r* r+ r. r r r r r �<module> s +