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o ;j� � @ sn d Z ddlZddlZddlmZ ddlmZ edd� �ZG dd� de�ZG d d � d e�Z G d d � d ee �Z dS ) z� :codeauthor: Pedro Algarvio (pedro@algarvio.me) :codeauthor: Thomas Jackson (jacksontj.89@gmail.com) salt.utils.context ~~~~~~~~~~~~~~~~~~ Context managers used throughout Salt's source code. � N)�MutableMapping)�contextmanagerc k s� � t | d�r | jr | j} | j}g }i }|D ]}||v r"|| ||< q|�|� q|�|� zdV W |�|� |D ]}||= q9dS |�|� |D ]}||= qHw )zI Override specific variables within a function's global context. �im_funcN)�hasattrr �__func__� __globals__�append�update)�func� overridesZ func_globalsZinjected_func_globalsZoverridden_func_globals�overrideZinjected� r �F/opt/saltstack/salt/lib/python3.10/site-packages/salt/utils/context.py�func_globals_inject s* � � ��r c @ sn e Zd ZdZddd�Zedd� �Zdd� Zd d � Zd d � Z d d� Z dd� Z dd� Z dd� Z dd� Zdd� ZdS )� ContextDictz� A context manager that saves some per-thread state globally. Intended for use with Tornado's StackContext. Provide arbitrary data as kwargs upon creation, then allow any children to override the values of the parent. Fc K s" t �� | _d | j_i | _|| _d S �N)� threading�local�_state�data� global_data� _threadsafe)�self� threadsafer r r r �__init__A s zContextDict.__init__c C s$ z| j jduW S ty Y dS w )z�Determine if this ContextDict is currently overridden Since the ContextDict can be overridden in each thread, we check whether the _state.data is set or not. NF)r r �AttributeError�r r r r �activeK s �zContextDict.activec C sL t | d�rd| j_z| j`W n ty Y nw t | d�r$| j�� dS dS )zB Destroy the ContextDict and clear internal state r Nr )r r r r r �clearr r r r �destroyV s � �zContextDict.destroyc K s t | | j|d�}|S )zE Clone this context, and return the ChildContextDict )�parentr r )�ChildContextDictr )r �kwargs�childr r r �cloned s �zContextDict.clonec C s$ | j r || jj|< d S || j|< d S r �r r r r �r �key�valr r r � __setitem__m s zContextDict.__setitem__c C s | j r | jj|= d S | j|= d S r r% �r r' r r r � __delitem__s s zContextDict.__delitem__c C s | j r | jj| S | j| S r r% r* r r r � __getitem__y � zContextDict.__getitem__c C � | j r t| jj�S t| j�S r )r �lenr r r r r r r �__len__ r- zContextDict.__len__c C r. r )r �iterr r r r r r r �__iter__� r- zContextDict.__iter__c C s< t | �| jd�}| jrt�| jj�|_|S t�| j�|_|S �N)r )�typer r �copyr r r )r �new_objr r r �__copy__� s �zContextDict.__copy__c C s@ t | �| jd�}| jrt�| jj|�|_|S t�| j|�|_|S r3 )r4 r r r5 �deepcopyr r r )r �memor6 r r r � __deepcopy__� s �zContextDict.__deepcopy__N)F)�__name__� __module__� __qualname__�__doc__r �propertyr r r$ r) r+ r, r0 r2 r7 r: r r r r r 8 s r c @ sR e Zd ZdZddd�Zdd� Zdd � Zd d � Zd d � Zdd� Z dd� Z dd� Z dS )r! z$An overrideable child of ContextDictNFc C s� || _ |d u r i n|| _d | _|r+| j j�� D ]\}}|| jvr(t�|�| j|< qd S | j j�� D ]\}}|| jvr?|| j|< q1d S r )r �_data� _old_datar �itemsr5 r8 )r r r r �k�vr r r r � s �� ��zChildContextDict.__init__c C s || j |< d S r �r@ r& r r r r) � � z ChildContextDict.__setitem__c C s | j |= d S r rE r* r r r r+ � � z ChildContextDict.__delitem__c C s | j | S r rE r* r r r r, � � z ChildContextDict.__getitem__c C � t | j�S r )r/ r@ r r r r r0 � rH zChildContextDict.__len__c C rI r )r1 r@ r r r r r2 � rH zChildContextDict.__iter__c C s* t | jjd�r | jjj| _| j| jj_d S )Nr )r r r r rA r@ r r r r � __enter__� s zChildContextDict.__enter__c G s | j | jj_d S r )rA r r r )r �excr r r �__exit__� � zChildContextDict.__exit__)NF) r; r< r= r> r r) r+ r, r0 r2 rJ rL r r r r r! � s r! c sp e Zd ZdZ� fdd�Zdd� Zdd� Zdd � Zd d � Zd d � Z dd� Z dd� Z dd� Z dd� Z dd� Z� ZS )�NamespacedDictWrapperz� Create a dict which wraps another dict with a specific prefix of key(s) MUST inherit from dict to serialize through msgpack correctly c s4 || _ t|t�r |f| _n|| _t� �| �� � d S r )� _NamespacedDictWrapper__dict� isinstance�str�pre_keys�superr �_dict)r �drR �� __class__r r r � s z NamespacedDictWrapper.__init__c C s | j }| jD ]}|| }q|S r )rO rR )r �rrC r r r rT � s zNamespacedDictWrapper._dictc C � t | �� �S r )�reprrT r r r r �__repr__� rG z NamespacedDictWrapper.__repr__c C s || � � |< d S r �rT r& r r r r) � rM z!NamespacedDictWrapper.__setitem__c C s | � � |= d S r r\ r* r r r r+ � rF z!NamespacedDictWrapper.__delitem__c C s | � � | S r r\ r* r r r r, � rG z!NamespacedDictWrapper.__getitem__c C rY r )r/ rT r r r r r0 � rG z NamespacedDictWrapper.__len__c C rY r )r1 rT r r r r r2 � rG z NamespacedDictWrapper.__iter__c C s t | �t�| j�t�| j��S r )r4 r5 rO rR r r r r r7 � s z NamespacedDictWrapper.__copy__c C s" t | �t�| j|�t�| j|��S r )r4 r5 r8 rO rR )r r9 r r r r: � s �z"NamespacedDictWrapper.__deepcopy__c C s | � � �� S r )rT �__str__r r r r r] � rG z NamespacedDictWrapper.__str__)r; r< r= r> r rT r[ r) r+ r, r0 r2 r7 r: r] � __classcell__r r rV r rN � s rN ) r> r5 r �collections.abcr � contextlibr r r r! �dictrN r r r r �<module> s %d/
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