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a v�h�W � @ s� d dl Z d dlmZ ddlmZ ddlmZ ddlmZmZ ddl m Z ddl m Z dd l mZmZ d d lmZ d d lmZ e �e�ZG d d� de�ZdS )� N)�partial� )� ServiceAction)� WaiterAction)� ResourceMeta�ServiceResource)�CollectionFactory)� ResourceModel)�build_identifiers�ResourceHandler� )�ResourceLoadException)� docstringc @ s� e Zd ZdZdd� Zdd� Zdd� Zdd � Zd d � Zd d � Z dd� Z dd� Z dd� Z dd� Z dd� Zdd� Zdd� Zd d � Zd d � Zd d!� Zd&d#d$�Zd%S )'�ResourceFactoryaW A factory to create new :py:class:`~boto3.resources.base.ServiceResource` classes from a :py:class:`~boto3.resources.model.ResourceModel`. There are two types of lookups that can be done: one on the service itself (e.g. an SQS resource) and another on models contained within the service (e.g. an SQS Queue resource). c C s t � | _|| _d S �N)r �_collection_factory�_emitter)�selfZemitter� r ��/root/rpmbuild/BUILDROOT/imh-python39-modules-3.9.7-92.el8.x86_64/opt/imh-python/lib/python3.9/site-packages/boto3/resources/factory.py�__init__& s zResourceFactory.__init__c C s t �d|j|� t|||j�}d}|jr6|j�|j�}|�|� t |j|d�}d|i}| j ||||d� | j ||||d� | j |||||d� | j |||d� | j||||d� | j||||d� |}|j|kr�d }|jd | }tg} | jdu�r | jjd | || |d � tt|�t| �|�S ) a{ Loads a resource from a model, creating a new :py:class:`~boto3.resources.base.ServiceResource` subclass with the correct properties and methods, named based on the service and resource name, e.g. EC2.Instance. :type resource_name: string :param resource_name: Name of the resource to look up. For services, this should match the ``service_name``. :type single_resource_json_definition: dict :param single_resource_json_definition: The loaded json of a single service resource or resource definition. :type service_context: :py:class:`~boto3.utils.ServiceContext` :param service_context: Context about the AWS service :rtype: Subclass of :py:class:`~boto3.resources.base.ServiceResource` :return: The service or resource class. z Loading %s:%sN)�resource_model�meta)�attrsr � resource_namer )r r r �service_context)r r r r r )r r r r �.zcreating-resource-class.%s)Zclass_attributes� base_classesr )�logger�debug� service_namer �resource_json_definitions�shape� service_model� shape_forZload_rename_mapr �_load_identifiers� _load_actions�_load_attributes�_load_collections�_load_has_relations� _load_waitersr r �emit�type�str�tuple) r r � single_resource_json_definitionr r r" r r �cls_namer r r r �load_from_definition* sn ��� �������� �z$ResourceFactory.load_from_definitionc C s0 |j D ]$}|j �|j� | �||�||j< qdS )z� Populate required identifiers. These are arguments without which the resource cannot be used. Identifiers become arguments for operations on the resource. N)� identifiers�append�name�_create_identifier)r r r r r � identifierr r r r% � s �z!ResourceFactory._load_identifiersc C sP |j r*| j|j ||dd�|d< |d |d< |jD ]}| j|||d�||j< q0dS )z� Actions on the resource become methods, with the ``load`` method being a special case which sets internal data for attributes, and ``reload`` is an alias for ``load``. T)� action_modelr r �is_load�load�reload)r7 r r N)r9 �_create_action�actionsr4 )r r r r r �actionr r r r& � s � �z ResourceFactory._load_actionsc C s� |j s dS |j�|j �}tdd� |jD ��}|�|�}|�� D ]H\} \} } | |v rj| j||| | |d�} n| j|| | | |d�} | || < q>dS )a Load resource attributes based on the resource shape. The shape name is referenced in the resource JSON, but the shape itself is defined in the Botocore service JSON, hence the need for access to the ``service_model``. Nc s s | ]}|j r|j |fV qd S r )� member_name��.0�ir r r � <genexpr>� s �z3ResourceFactory._load_attributes.<locals>.<genexpr>)r r6 � member_modelr )r r4 � snake_casedrC r ) r" r# r$ �dictr2 Zget_attributes�items�_create_identifier_alias�_create_autoload_property) r r r r r r r" r2 � attributesr4 Z orig_name�member�propr r r r' � s0 �� ��z ResourceFactory._load_attributesc C s( |j D ] }| j|j||d�||j< qdS )a Load resource collections from the model. Each collection becomes a :py:class:`~boto3.resources.collection.CollectionManager` instance on the resource instance, which allows you to iterate and filter through the collection's items. )r �collection_modelr N)� collections�_create_collectionr4 )r r r r rL r r r r( � s �z!ResourceFactory._load_collectionsc C sV |j D ]}| j|||d�||j< q|jD ]}| j|||d�||j< q(| �||j� dS )a� Load related resources, which are defined via a ``has`` relationship but conceptually come in two forms: 1. A reference, which is a related resource instance and can be ``None``, such as an EC2 instance's ``vpc``. 2. A subresource, which is a resource constructor that will always return a resource instance which shares identifiers/data with this resource, such as ``s3.Bucket('name').Object('key')``. )�reference_modelr r )�subresource_modelr r N)Z references�_create_referencer4 � subresources�_create_class_partial�&_create_available_subresources_command)r r r r r � reference� subresourcer r r r) � s � ��z#ResourceFactory._load_has_relationsc s. dd� |D �� t � �� � fdd�}||d< d S )Nc S s g | ] }|j �qS r �r4 )r@ rV r r r � <listcomp>� � zJResourceFactory._create_available_subresources_command.<locals>.<listcomp>c s � S )z� Returns a list of all the available sub-resources for this Resource. :returns: A list containing the name of each sub-resource for this resource :rtype: list of str r )� factory_self�Z _subresourcesr r �get_available_subresources s zZResourceFactory._create_available_subresources_command.<locals>.get_available_subresourcesr\ )�sorted)r r rR r\ r r[ r rT � s z6ResourceFactory._create_available_subresources_commandc C s& |j D ]}| j|||d�||j< qdS )z� Load resource waiters from the model. Each waiter allows you to wait until a resource reaches a specific state by polling the state of the resource. )�resource_waiter_modelr r N)�waiters�_create_waiterr4 )r r r r r �waiterr r r r* s �z ResourceFactory._load_waitersc s2 � fdd�}t � j�|_tj|� dd�|_t|�S )zI Creates a read-only property for identifier attributes. c s t | d� j d �S �N�_��getattrr4 �r �r6 r r �get_identifier s z:ResourceFactory._create_identifier.<locals>.get_identifierF)r Zidentifier_model�include_signature)r- r4 �__name__r ZIdentifierDocstring�__doc__�property)rZ r6 r rh r rg r r5 s �z"ResourceFactory._create_identifierc s> � fdd�}t � j�|_tj|j|� j| j|dd�|_t|�S )zJ Creates a read-only property that aliases an identifier. c s t | d� j d �S rb rd rf rg r r rh 7 s z@ResourceFactory._create_identifier_alias.<locals>.get_identifierF�r r � attr_name� event_emitterZ attr_modelri ) r- r> rj r �AttributeDocstringr r rk rl )rZ r r6 rC r rh r rg r rG 2 s � z(ResourceFactory._create_identifier_aliasc s: � fdd�}t |�|_tj|j||| j|dd�|_t|�S )z� Creates a new property on the resource to lazy-load its value via the resource's ``load`` method (if it exists). c s@ | j jd u r2t| d�r | �� ntd�| jj���| j j�� �S )Nr9 z{0} has no load method) r �data�hasattrr9 r �format� __class__rj �getrf rW r r �property_loaderP s ��zBResourceFactory._create_autoload_property.<locals>.property_loaderFrm )r- rj r rp r r rk rl )rZ r r4 rD rC r rv r rW r rH F s � z)ResourceFactory._create_autoload_propertyc sH t ||jd�� � fdd�}t|j�|_tj|| j|j||jdd�|_ |S )zx Creates a new wait method for each resource where both a waiter and resource model is defined. )Zwaiter_resource_namec s � | g|�R i |�� d S r r )r �args�kwargs�ra r r � do_waiterp s z1ResourceFactory._create_waiter.<locals>.do_waiterF)r ro r# r^ �service_waiter_modelri ) r r4 r- rj r ZResourceWaiterDocstringr r# r{ rk )rZ r^ r r rz r ry r r` g s � �z ResourceFactory._create_waiterc sL �j j|���jd�� � ���fdd�}t�j�|_tj�dd�|_t |�S )zS Creates a new property on the resource to lazy-load a collection. )r rL r ro c s � �| ��d�S )N)rL �parent�factoryr r rf ��clsrL rZ r r r �get_collection� s �z:ResourceFactory._create_collection.<locals>.get_collectionF)rL ri ) r r1 r r- r4 rj r ZCollectionDocstringrk rl )rZ r rL r r� r r~ r rN ~ s � �z"ResourceFactory._create_collectionc s^ t |jj| |j|d�� tdd� |jjD ���� �fdd�}t|j�|_tj |dd�|_ t |�S )zR Creates a new property on the resource to lazy-load a reference. )� search_pathr} r r c s s | ]}|j d kV qdS )rq N)�sourcer? r r r rB � rY z4ResourceFactory._create_reference.<locals>.<genexpr>c s2 �r"| j jd u r"t| d�r"| �� � | i | j j�S �Nr9 )r rq rr r9 rf ��handlerZ needs_datar r � get_reference� s z8ResourceFactory._create_reference.<locals>.get_referenceF)rO ri ) r �resource�path�anyr2 r- r4 rj r ZReferenceDocstringrk rl )rZ rO r r r� r r� r rQ � s � � �z!ResourceFactory._create_referencec s> �j j�� ���fdd�}t��|_tj|��jdd�|_|S )z� Creates a new method which acts as a functools.partial, passing along the instance's low-level `client` to the new resource class' constructor. c st g }�j ��i �}� j�|�d�}�jj}|d urPt|| �D ]\}}|�|� q<t|g|�R d| jj i�|i |��S )N)r r/ r �client) r! ru r1 r� r2 r r3 r r r� ) r rw rx Zpositional_argsZjson_defZ resource_clsr2 r6 �value�rZ r4 r rP r r �create_resource� s$ � ���z>ResourceFactory._create_class_partial.<locals>.create_resourceF)r Zsub_resource_modelr# ri )r� r, r- rj r ZSubResourceDocstringr# rk )rZ rP r r r� r r� r rS � s �z%ResourceFactory._create_class_partialFc sv t || |d�� |r<� fdd�}tj|j|| j||jdd�}n$� fdd�}tj|| j||jdd�}t|j�|_||_ |S )zc Creates a new method which makes a request to the underlying AWS service. )r} r c s" � | g|�R i |��}|| j _d S r )r rq �r rw rx �response�r= r r � do_action� s z1ResourceFactory._create_action.<locals>.do_actionF)� action_namer ro Z load_modelr# ri c s, � | g|�R i |��}t | d�r(d | j_|S r� )rr r rq r� r� r r r� s )r ro r7 r# ri ) r r ZLoadReloadDocstringr4 r r# ZActionDocstringr- rj rk )rZ r7 r r r8 r� Zlazy_docstringr r� r r; � s2 � � � z ResourceFactory._create_actionN)F)rj � __module__� __qualname__rk r r1 r% r& r' r( r) rT r* r5 rG rH r` rN rQ rS r; r r r r r s& c #"!'- �r )�logging� functoolsr r= r r �baser r Z collectionr �modelr r� r r � exceptionsr �docsr � getLoggerrj r �objectr r r r r �<module> s
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