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Filename :
extension_dict.cpython-39.pyc
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a Ԝi� � @ s8 d Z ddlmZ ddlmZ dd� ZG dd� de�ZdS ) z7Contains _ExtensionDict class to represent extensions. � )� type_checkers)�FieldDescriptorc C sj t |t�std| ��|js*td|j ��|js>td|j ��|j| jurftd|j|jj| jjf ��dS )z0Verify that the given extension handle is valid.z3HasExtension() expects an extension handle, got: %sz"%s" is not an extension.z""%s" is missing a containing_type.zKExtension "%s" extends message type "%s", but this message is of type "%s".N)� isinstancer �KeyError� is_extension� full_nameZcontaining_typeZ DESCRIPTOR)�message�extension_handle� r �K/usr/lib/python3.9/site-packages/google/protobuf/internal/extension_dict.py�_VerifyExtensionHandle& s" �� ��r c @ sp e Zd ZdZdd� Zdd� Zdd� Zdd � Zd d � Zd d � Z dd� Z dd� Z dd� Z dd� Z dd� Zdd� ZdS )�_ExtensionDictz�Dict-like container for Extension fields on proto instances. Note that in all cases we expect extension handles to be FieldDescriptors. c C s || _ dS )z^ Args: extended_message: Message instance for which we are the Extensions dict. N)�_extended_message)�selfZextended_messager r r �__init__G s z_ExtensionDict.__init__c C s� t | j|� | jj�|�}|dur&|S |jtjkr@|�| j�}n�|jtj kr�|j }t |d�sj| jj � |� t|j dd�s�J d|j|j jf ��|j �� }z|�| jj� W q� ty� Y q�0 n|jS | jj�||�}|S )z8Returns the current value of the given extension handle.N�_concrete_classzAUninitialized concrete class found for field %r (message type %r))r r �_fields�get�labelr �LABEL_REPEATEDZ_default_constructor�cpp_type�CPPTYPE_MESSAGE� message_type�hasattrZ_FACTORYZ GetPrototype�getattrr r Z _SetListenerZ_listener_for_children�ReferenceErrorZ default_value� setdefault)r r �resultr r r r � __getitem__N s6 ��� �z_ExtensionDict.__getitem__c C sH t || j�sdS | j�� }|j�� }dd� |D �}dd� |D �}||kS )NFc S s g | ]}|j r|�qS r �r ��.0Zfieldr r r � <listcomp> � z)_ExtensionDict.__eq__.<locals>.<listcomp>c S s g | ]}|j r|�qS r r r r r r r" � r# )r � __class__r � ListFields)r �otherZ my_fieldsZ other_fieldsr r r �__eq__w s z_ExtensionDict.__eq__c C s | |k S �Nr )r r& r r r �__ne__� s z_ExtensionDict.__ne__c C s | j �� }dd� |D �}t|�S )Nc S s g | ]}|d j r|�qS )r r r r r r r" � r# z*_ExtensionDict.__len__.<locals>.<listcomp>)r r% �len)r �fieldsZextension_fieldsr r r �__len__� s z_ExtensionDict.__len__c C s t d��d S )Nzunhashable object)� TypeError�r r r r �__hash__� s z_ExtensionDict.__hash__c C s\ t | j|� |jtjks$|jtjkr2td|j ��t � |�}|� |�| jj |< | j� � dS )zlIf extension_handle specifies a non-repeated, scalar extension field, sets the value of that field. zKCannot assign to extension "%s" because it is a repeated or composite type.N)r r r r r r r r- r r ZGetTypeCheckerZ CheckValuer Z _Modified)r r �valueZ type_checkerr r r � __setitem__� s ��� � z_ExtensionDict.__setitem__c C s | j �|� d S r( )r ZClearExtension)r r r r r � __delitem__� s z_ExtensionDict.__delitem__c C s | j j�|d�S )z�Tries to find a known extension with the specified name. Args: name: Extension full name. Returns: Extension field descriptor. N)r Z_extensions_by_namer )r �namer r r �_FindExtensionByName� s z#_ExtensionDict._FindExtensionByNamec C s | j j�|d�S )z�Tries to find a known extension with the field number. Args: number: Extension field number. Returns: Extension field descriptor. N)r Z_extensions_by_numberr )r �numberr r r �_FindExtensionByNumber� s z%_ExtensionDict._FindExtensionByNumberc C s dd� | j �� D �S )Nc s s | ]}|d j r|d V qdS )r Nr )r! �fr r r � <genexpr>� s �z*_ExtensionDict.__iter__.<locals>.<genexpr>)r r% r. r r r �__iter__� s z_ExtensionDict.__iter__c C sf t | j|� || jjvr dS |jtjkr:t| jj�|��S |jtj krb| jj�|�}|d uo`|j S dS )NFT) r r r r r r �boolr r r Z_is_present_in_parent)r r r0 r r r � __contains__� s z_ExtensionDict.__contains__N)�__name__� __module__� __qualname__�__doc__r r r' r) r, r/ r1 r2 r4 r6 r9 r; r r r r r ? s ) r N)r? Zgoogle.protobuf.internalr Zgoogle.protobuf.descriptorr r �objectr r r r r �<module> s