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Editing: library.cpython-310.pyc
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The filter, simple_tag, and inclusion_tag methods provide a convenient way to register callables as tags. c C s i | _ i | _d S �N)�filters�tags)�selfr r r �__init__ s zLibrary.__init__Nc sx � d u r |d u r �j S � d ur%|d u r%t� �r �� � �S � �fdd�}|S � d ur4|d ur4|�j� < |S td� |f ��)Nc s �� � | �S r )�tag��func��namer r r �dec% s zLibrary.tag.<locals>.decz.Unsupported arguments to Library.tag: (%r, %r))� tag_function�callabler � ValueError)r r �compile_functionr r r r r s ��z Library.tagc C s || j t|d|�j< |S �N�_decorated_function)r �getattrr )r r r r r r 2 s zLibrary.tag_functionc s� �du r|du r� �fdd�}|S �dur0|du r0t ��r&�j�fi � ��S � ��fdd�}|S �dura|dura|�j�< dD ] }|� v r[� | }t|||� t|d�r[t|j||� q?�|_|S td�|f ��)z� Register a callable as a template filter. Example: @register.filter def lower(value): return value.lower() Nc s �j | fi � ��S r )�filter_functionr )�flagsr r r r @ s zLibrary.filter.<locals>.decc s �j �| fi � ��S r )�filterr �r& r r r r r I s )�expects_localtime�is_safe�needs_autoescaper# z1Unsupported arguments to Library.filter: (%r, %r))r r% r �setattr�hasattrr# � _filter_namer )r r � filter_funcr& r �attr�valuer r( r r' 6 s0 ���zLibrary.filterc K s" t |d|�j}| j||fi |��S r" )r$ r r' )r r r& r r r r r% ` s zLibrary.filter_functionc s4 � ��fdd�}|du r|S t |�r||�S td��)z� Register a callable as a compiled template tag. Example: @register.simple_tag def hello(*args, **kwargs): return 'world' c sb t t���\���� ��}�pt�d��j�t���� ������ ��f dd��}� ��|� �S )Nr# c sn |� � dd � }d }t|�dkr |d dkr |d }|d d� }t| |���� ����� \}}t��|||�S )Nr � ����as���)�split_contents�len� parse_bits� SimpleNode)�parser�token�bits� target_var�args�kwargs) �defaultsr � function_name�kwonly�kwonly_defaults�params� takes_context�varargs�varkwr r � compile_funcp s �z5Library.simple_tag.<locals>.dec.<locals>.compile_func�r r r$ r � functools�wrapsr �r �_rH �r r rE �r@ r rA rB rC rD rF rG r r l s z Library.simple_tag.<locals>.decNz(Invalid arguments provided to simple_tag)r r )r r rE r r r rN r � simple_tagd s zLibrary.simple_tagc s � ���fdd�}|S )z� Register a callable as an inclusion tag: @register.inclusion_tag('results.html') def show_results(poll): choices = poll.choice_set.all() return {'choices': choices} c sd t t���\���� ��}� pt�d��j�t���� ������� ��f dd��}� ��|� �S )Nr# c s> |� � dd � }t| |��� � ����� \}}t��||��S )Nr )r6 r8 � InclusionNode)r: r; r< r> r? ) r@ �filenamer rA rB rC rD rE rF rG r r rH � s � �z8Library.inclusion_tag.<locals>.dec.<locals>.compile_funcrI rL �rR r r rE rO r r � s z"Library.inclusion_tag.<locals>.decr )r rR r rE r r r rS r � inclusion_tag� s zLibrary.inclusion_tag)NN)NNN) r r r �__doc__r r r r' r% rP rT r r r r r s * $r c @ s e Zd ZdZdd� Zdd� ZdS )� TagHelperNodez� Base class for tag helper nodes such as SimpleNode and InclusionNode. Manages the positional and keyword arguments to be passed to the decorated function. c C s || _ || _|| _|| _d S r )r rE r> r? )r r rE r> r? r r r r � s zTagHelperNode.__init__c sD � fdd�| j D �}| jr� g| }� fdd�| j�� D �}||fS )Nc s g | ]}|� � ��qS r ��resolve)�.0�var��contextr r � <listcomp>� s z8TagHelperNode.get_resolved_arguments.<locals>.<listcomp>c s i | ] \}}||� � ��qS r rW )rY �k�vr[ r r � <dictcomp>� s z8TagHelperNode.get_resolved_arguments.<locals>.<dictcomp>)r> rE r? �items)r r\ � resolved_args�resolved_kwargsr r[ r �get_resolved_arguments� s z$TagHelperNode.get_resolved_argumentsN)r r r rU r rd r r r r rV � s rV c �$ e Zd Z� fdd�Zdd� Z� ZS )r9 c � t � �||||� || _d S r )�superr r= )r r rE r> r? r= �� __class__r r r � � zSimpleNode.__init__c C sH | � |�\}}| j|i |��}| jd ur||| j< dS |jr"t|�}|S )N� )rd r r= � autoescaper )r r\ rb rc �outputr r r �render� s zSimpleNode.render�r r r r rn � __classcell__r r rh r r9 � � r9 c re )rQ c rf r )rg r rR )r r rE r> r? rR rh r r r � rj zInclusionNode.__init__c C s� | � |�\}}| j|i |��}|j�| �}|du rSt| jt�r#| j}n+tt| jdd�t�r2| jj}n t| jt �sFt | j�rF|jj � | j�}n|jj � | j�}||j| < |�|�}|�d�}|dure||d< |�|�S )z� Render the specified template and context. Cache the template object in render_context to avoid reparsing and loading when used in a for loop. N�template� csrf_token)rd r �render_context�get� isinstancerR r r$ rr �strr �engine�select_template� get_template�newrn )r r\ rb rc �_dict�t� new_contextrs r r r rn � s" zInclusionNode.renderro r r rh r rQ � rq rQ c s� |r|d dkr|dd� }nt d| ��g } i } t|�} � fdd�|D �} |D ]t}t|g| �}|rr|�� \}}||vrL||vrL|du rLt d| |f ��|| v rXt d | |f ��|| t|�< || v rh| �|� q(|| v rq| �|� q(| rzt d | ��| �| �|�� z| �d� W q( t y� |du r�t d | ��Y q(w |dur�| dt |� � } | s�| r�t d | d � dd� | | D ��f ��| | fS )z� Parse bits for template tag helpers simple_tag and inclusion_tag, in particular by detecting syntax errors and by extracting positional and keyword arguments. r r\ r NzW'%s' is decorated with takes_context=True so it must have a first argument of 'context'c s g | ] }� r |� vr|�qS r r )rY �kwarg�rC r r r] � s ��z parse_bits.<locals>.<listcomp>z.'%s' received unexpected keyword argument '%s'z7'%s' received multiple values for keyword argument '%s'zH'%s' received some positional argument(s) after some keyword argument(s)z+'%s' received too many positional argumentsz5'%s' did not receive value(s) for the argument(s): %sz, c s s � | ]}d | V qdS )z'%s'Nr )rY �pr r r � <genexpr>4 s � z parse_bits.<locals>.<genexpr>) r �listr �popitemrw �remove�append�compile_filter�pop� IndexErrorr7 �join)r: r< rD rF rG r@ rB rC rE r r> r? �unhandled_params�unhandled_kwargs�bitr �paramr1 r r� r r8 � s~ �� � ���� ��� ������r8 c C sZ zt | �}W n ty } ztd| |f ��d}~ww z|jW S ty, td| ��w )z; Load a Library object from a template tag module. zSInvalid template library specified. ImportError raised when trying to load '%s': %sNz4Module %s does not have a variable named 'register')r � ImportErrorr �register�AttributeError)r �module�er r r �import_library8 s" ���� ��r� )rJ � importlibr �inspectr r �django.utils.htmlr �django.utils.itercompatr �baser r r � exceptionsr � Exceptionr r rV r9 rQ r8 r� r r r r �<module> s $ K
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