관리-도구
편집 파일: identity.cpython-38.pyc
U -?�f!$ � @ s$ d dl mZ d dlmZ d dlmZ d dlmZ d dlmZ d dlmZ d dlmZ d dlm Z d d lm Z d d lm Z d d lm Z d d lm Z d d lmZ d dlZddlmZ ddlmZ e r�ddlmZ ddlmZ eded�Zeded�ZG dd� d�Z G dd� de �Z d d d d �d d!�Z dS )"� )� annotations)�Any)�cast)�Dict)�Iterable)�Iterator)�List)�NoReturn)�Optional)�Set)�Tuple)� TYPE_CHECKING)�TypeVarN� )�util� )�exc)�_IdentityKeyType)� InstanceState�_T)�bound�_Oc @ sl e Zd ZU ded< ded< ded< dd�d d �Zdd�d d �Zd d�dd�Zddd�dd�Zddd�dd�Zddd�dd�Z dd d�d d �Z dDdd d d!�d"d#�Z dd$d�d%d&�Z d'd�d(d)�Z d*d�d+d,�Zd-d$d�d.d/�Zddd�d0d1�Zddd�d2d3�Zdddd4�d5d6�Zddd�d7d8�Zddd�d9d:�Zdd�d;d<�Zdd�d=d>�Zddd�d?d@�ZdAd�dBdC�Zd S )E� IdentityMapzweakref.ref[IdentityMap]�_wrz Dict[_IdentityKeyType[Any], Any]�_dictzSet[InstanceState[Any]]� _modified�None��returnc C s i | _ t� | _t�| �| _d S �N)r �setr �weakref�refr ��self� r% �G/opt/hc_python/lib64/python3.8/site-packages/sqlalchemy/orm/identity.py�__init__+ s zIdentityMap.__init__c C s t | _d S r )�_killed�_add_unpresentr# r% r% r& �_kill0 s zIdentityMap._kill�List[InstanceState[Any]]c C s t � �d S r ��NotImplementedErrorr# r% r% r& � all_states3 s zIdentityMap.all_states�InstanceState[Any]�bool��stater c C s t � �d S r r, �r$ r2 r% r% r& �contains_state6 s zIdentityMap.contains_state�_IdentityKeyType[Any]��keyr c C s t � �d S r r, �r$ r7 r% r% r& � __contains__9 s zIdentityMap.__contains__c C s t � �d S r r, r3 r% r% r& � safe_discard< s zIdentityMap.safe_discard�_IdentityKeyType[_O]r c C s t � �d S r r, r8 r% r% r& � __getitem__? s zIdentityMap.__getitem__N� Optional[_O]�r7 �defaultr c C s t � �d S r r, )r$ r7 r? r% r% r& �getB s zIdentityMap.get�Optional[InstanceState[_O]]c C s t � �d S r r, r8 r% r% r& �fast_get_stateG s zIdentityMap.fast_get_statez Iterable[_IdentityKeyType[Any]]c C s | j �� S r )r �keysr# r% r% r& rC L s zIdentityMap.keyszIterable[object]c C s t � �d S r r, r# r% r% r& �valuesO s zIdentityMap.values�InstanceState[_O]c C s t � �d S r r, r3 r% r% r& �replaceR s zIdentityMap.replacec C s t � �d S r r, r3 r% r% r& �addU s zIdentityMap.addc C s t � �d S r r, r3 r% r% r& � _fast_discardX s zIdentityMap._fast_discard�r2 r7 r c C s | � |� dS )zUoptional inlined form of add() which can assume item isn't present in the mapN)rG �r$ r2 r7 r% r% r& r) [ s zIdentityMap._add_unpresentc C s | j |_|jr| j�|� d S r )r �_instance_dict�modifiedr rG r3 r% r% r& �_manage_incoming_stateb s z"IdentityMap._manage_incoming_statec C s |` |jr| j�|� d S r )rK rL r �discardr3 r% r% r& �_manage_removed_stateh s z!IdentityMap._manage_removed_statec C s | j S r )r r# r% r% r& � _dirty_statesm s zIdentityMap._dirty_statesc C s t | j�S )z[return True if any InstanceStates present have been marked as 'modified'. )r0 r r# r% r% r& �check_modifiedp s zIdentityMap.check_modifiedc C s || kS r r% r8 r% r% r& �has_keyw s zIdentityMap.has_key�intc C s t | j�S r )�lenr r# r% r% r& �__len__z s zIdentityMap.__len__)N)�__name__� __module__� __qualname__�__annotations__r' r* r. r4 r9 r: r< r@ rB rC rD rF rG rH r) rM rO rP rQ rR rU r% r% r% r& r % s2 �r c @ s e Zd ZU ded< ddd�dd�Zdd d�d d �Zd d d �dd�Zd dd �dd�Zd d d �dd�Zd ddd�dd�Z ddd�dd�Z d4dd d d �d d �Z d!d"�d#d$�Z d%d"�d&d'�Z d(d"�d)d*�Zd+d"�d,d-�Zd dd �d.d/�Zd dd �d0d1�Zd dd �d2d3�Zd S )5�WeakInstanceDictz/Dict[_IdentityKeyType[Any], InstanceState[Any]]r r; r r6 c C s, t d| j| �}|�� }|d kr(t|��|S �NrE )r r �obj�KeyError�r$ r7 r2 �or% r% r& r< � s z WeakInstanceDict.__getitem__r5 r0 c C sL z(|| j kr | j | }|�� }nW dS W n tk r> Y dS X |d k S d S �NF)r r\ r] r^ r% r% r& r9 � s z WeakInstanceDict.__contains__r/ r1 c C sR |j | jkrJtr |j d k s t�z| j|j |kW S tk rF Y dS X ndS d S r` )r7 r r �AssertionErrorr] r3 r% r% r& r4 � s z WeakInstanceDict.contains_statez Optional[InstanceState[Any]]c C s� |j d k st�|j | jkrbz| j|j }}W n tk rF d }Y qfX ||k r\| �|� qfd S nd }|| j|j < | �|� |S r )r7 ra r r] rO rM )r$ r2 �existingZexisting_non_noner% r% r& rF � s zWeakInstanceDict.replacec C s� |j }|d k st�|| jkrxz| j| }W n tk r> Y n:X ||k rt|�� }|d k rxt�dt�|�|j f ��ndS || j|< | � |� dS )NzZCan't attach instance %s; another instance with key %s is already present in this session.FT) r7 ra r r] r\ �sa_exc�InvalidRequestError�orm_util� state_strrM )r$ r2 r7 Zexisting_stater_ r% r% r& rG � s& �� zWeakInstanceDict.addr rI c C s || j |< | j|_d S r )r r rK rJ r% r% r& r) � s z WeakInstanceDict._add_unpresentrA c C s | j �|�S r )r r@ r8 r% r% r& rB � s z WeakInstanceDict.fast_get_stateNr= r> c C sX || j kr|S ztd| j | �}W n tk r: | Y S X |�� }|d krP|S |S d S r[ )r r r] r\ )r$ r7 r? r2 r_ r% r% r& r@ � s zWeakInstanceDict.getz6List[Tuple[_IdentityKeyType[Any], InstanceState[Any]]]r c C sJ | � � }g }|D ]4}|�� }|j}|d k s.t�|d k r|�||f� q|S r )r. r\ r7 ra �append)r$ rD �resultr2 �valuer7 r% r% r& �items� s zWeakInstanceDict.itemsz List[object]c C s4 | � � }g }|D ] }|�� }|d k r|�|� q|S r )r. r\ rg )r$ rD rh r2 ri r% r% r& rD � s zWeakInstanceDict.valuesz Iterator[_IdentityKeyType[Any]]c C s t | �� �S r )�iterrC r# r% r% r& �__iter__ s zWeakInstanceDict.__iter__r+ c C s t | j�� �S r )�listr rD r# r% r% r& r. s zWeakInstanceDict.all_statesc C sP |j }|d k st�z| j| }W n tk r4 Y nX ||krL| j�|d � d S r )r7 ra r r] �pop�r$ r2 r7 �str% r% r& rH s z WeakInstanceDict._fast_discardc C s | � |� d S r )r: r3 r% r% r& rN s zWeakInstanceDict.discardc C sd |j }|| jkr`|d k s t�z| j| }W n tk r> Y n"X ||kr`| j�|d � | �|� d S r )r7 r ra r] rn rO ro r% r% r& r: s z WeakInstanceDict.safe_discard)N)rV rW rX rY r< r9 r4 rF rG r) rB r@ rj rD rl r. rH rN r: r% r% r% r& rZ ~ s" � rZ r/ r5 r rI c C s t jdt�| � dd��d S )Nz�Object %s cannot be converted to 'persistent' state, as this identity map is no longer valid. Has the owning Session been closed?Zlkrp)�code)rc rd re rf )r2 r7 r% r% r& r( & s ��r( ) � __future__r �typingr r r r r r r r r r r r r! � r re r rc Z_typingr r2 r r �objectr r rZ r( r% r% r% r& �<module> s0 Y )