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Valid conditions are listed in the :ref:`DynamoDB Reference Guide<ref_dynamodb_conditions>`.z!Attr('myattribute').eq('myvalue')z"docs.*.dynamodb.*.complete-sectionzdynamodb-attr-value-docsz dynamodb-key-expression-docsz dynamodb-cond-expression-docs)�superr �__init__�meta�client�events�registerr �TransformationInjectorZ _injector� inject_condition_expressions� inject_attribute_value_input� inject_attribute_value_outputr Z(replace_documentation_for_matching_shape)�self�argsr Zattr_value_shape_docsZkey_expression_shape_docsZcon_expression_shape_docs�� __class__r r r sn � � � �� �� � � �z"DynamoDBHighLevelResource.__init__)�__name__� __module__� __qualname__r � __classcell__r r r$ r r s r c @ s2 e Zd ZdZd dd�Zdd� Zdd� Zd d � ZdS ) r z>Injects the transformations into the user provided parameters.Nc C s\ || _ |d u rt� | _ || _|d u r,t� | _|| _|d u rBt� | _|| _|d u rXt� | _d S r )� _transformer�ParameterTransformer�_condition_builderr � _serializerr � _deserializerr )r" Z transformer�condition_builder� serializerZ deserializerr r r r } s z TransformationInjector.__init__c K s� | j �� i }i }t| j ||dd�}| j�||j|d� t| j ||dd�}| j�||j|d� d}d}||v r~|| �|� n |r�|||< ||v r�|| �|� n |r�|||< dS ) a7 Injects the condition expression transformation into the parameters This injection includes transformations for ConditionExpression shapes and KeyExpression shapes. It also handles any placeholder names and values that are generated when transforming the condition expressions. F)�placeholder_names�placeholder_values�is_key_conditionr Tr ZExpressionAttributeNamesZExpressionAttributeValuesN)r, �reset�!ConditionExpressionTransformationr* � transform� input_shape�update) r" r �modelr Zgenerated_namesZgenerated_values�transformationZexpr_attr_names_inputZexpr_attr_values_inputr r r r � sB ����z3TransformationInjector.inject_condition_expressionsc K s | j �||j| jjd� dS )z3Injects DynamoDB serialization into parameter inputr N)r* r6 r7 r- � serialize)r" r r9 r r r r r � s �z3TransformationInjector.inject_attribute_value_inputc K s& |j dur"| j�||j | jjd� dS )z/Injects DynamoDB deserialization into responsesNr )Z output_shaper* r6 r. Z deserialize)r" �parsedr9 r r r r r! � s �z4TransformationInjector.inject_attribute_value_output)NNNN)r& r' r( �__doc__r r r r! r r r r r { s � 2r c @ s" e Zd ZdZddd�Zdd� ZdS ) r5 z�Provides a transformation for condition expressions The ``ParameterTransformer`` class can call this class directly to transform the condition expressions in the parameters provided. Fc C s || _ || _|| _|| _d S r )r, �_placeholder_names�_placeholder_values�_is_key_condition)r" r/ r1 r2 r3 r r r r � s z*ConditionExpressionTransformation.__init__c C sB t |t�r>| jj|| jd�}| j�|j� | j�|j � |j S |S )N)r3 ) � isinstancer r, Zbuild_expressionr@ r> r8 Zattribute_name_placeholdersr? Z attribute_value_placeholdersZcondition_expression)r" �valueZbuilt_expressionr r r �__call__� s ���z*ConditionExpressionTransformation.__call__N)F)r& r' r( r= r rC r r r r r5 � s � r5 c @ s8 e Zd ZdZdd� Zdd� Zdd� Zdd � Zd d � Zd S ) r+ z?Transforms the input to and output from botocore based on shapec C s | � ||||� dS )a� Transforms the dynamodb input to or output from botocore It applies a specified transformation whenever a specific shape name is encountered while traversing the parameters in the dictionary. :param params: The parameters structure to transform. :param model: The operation model. :param transformation: The function to apply the parameter :param target_shape: The name of the shape to apply the transformation to N)�_transform_parameters)r" r r9 r: � target_shaper r r r6 � s �z ParameterTransformer.transformc C s* |j }|dv r&t| d| �||||� d S )N)Z structure�map�listz _transform_%s)� type_name�getattr)r" r9 r r: rE rH r r r rD s �z*ParameterTransformer._transform_parametersc C sf t |tj�sd S |D ]L}||jv r|j| }|j}||krL||| �||< q| �||| ||� qd S r )rA r �Mapping�members�namerD )r" r9 r r: rE �param� member_model� member_shaper r r �_transform_structure s �z)ParameterTransformer._transform_structurec C s\ t |tj�sd S |j}|j}|�� D ]2\}}||krB||�||< q$| �||| ||� q$d S r )rA r rJ rB rL �itemsrD ) r" r9 r r: rE Z value_modelZ value_shape�keyrB r r r �_transform_map s �z#ParameterTransformer._transform_mapc C s\ t |tj�sd S |j}|j}t|�D ]2\}}||krB||�||< q$| �||| ||� q$d S r )rA r �MutableSequence�memberrL � enumeraterD ) r" r9 r r: rE rN rO �i�itemr r r �_transform_list" s �z$ParameterTransformer._transform_listN) r& r' r( r= r6 rD rP rS rY r r r r r+ � s r+ )r Z boto3.compatr Zboto3.dynamodb.typesr r Zboto3.dynamodb.conditionsr r Zboto3.docs.utilsr r r �objectr r r5 r+ r r r r �<module> s ]U
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