ó
    "Eñiì  ã                   ó®   • S SK JrJr  S SKJr  S SKJr  S SKJr	  S SK
Jr  S SKJrJrJr  S/r\" S5      r\" S	S
S9r\" S5       " S S\\   5      5       rg)é    )ÚCallableÚIterator)ÚTypeVar)Úfunctional_datapipe)Údataframe_wrapper)ÚIterDataPipe)Ú_check_unpickable_fnÚStreamWrapperÚvalidate_input_colÚFilterIterDataPipeÚ_TÚ_T_coT)Ú	covariantÚfilterc                   ó¢   ^ • \ rS rSr% Sr\\   \S'   \\S'    SS\\   S\SS4U 4S jjjr	S\
4S jrS\\   4S	 jrS
\S\\
\4   4S jrSrU =r$ )r   é   aë  
Filters out elements from the source datapipe according to input ``filter_fn`` (functional name: ``filter``).

Args:
    datapipe: Iterable DataPipe being filtered
    filter_fn: Customized function mapping an element to a boolean.
    input_col: Index or indices of data which ``filter_fn`` is applied, such as:

        - ``None`` as default to apply ``filter_fn`` to the data directly.
        - Integer(s) is used for list/tuple.
        - Key(s) is used for dict.

Example:
    >>> # xdoctest: +SKIP
    >>> from torchdata.datapipes.iter import IterableWrapper
    >>> def is_even(n):
    ...     return n % 2 == 0
    >>> dp = IterableWrapper(range(5))
    >>> filter_dp = dp.filter(filter_fn=is_even)
    >>> list(filter_dp)
    [0, 2, 4]
ÚdatapipeÚ	filter_fnNÚreturnc                 ór   >• [         TU ]  5         Xl        [        U5        X l        X0l        [        X#5        g ©N)ÚsuperÚ__init__r   r	   r   Ú	input_colr   )Úselfr   r   r   Ú	__class__s       €Úf/home/mande/repo/quber/.venv/lib/python3.13/site-packages/torch/utils/data/datapipes/iter/selecting.pyr   ÚFilterIterDataPipe.__init__2   s/   ø€ ô 	‰ÑÔØ Œä˜YÔ'Ø"Œà"ŒÜ˜9Õ0ó    c                 ó"  ^• U R                   c  U R                  T5      $ [        U R                   [        [        45      (       a.  [	        U4S jU R                    5       5      nU R                  " U6 $ U R                  TU R                      5      $ )Nc              3   ó.   >#   • U  H
  nTU   v •  M     g 7fr   © )Ú.0ÚcolÚdatas     €r   Ú	<genexpr>Ú6FilterIterDataPipe._apply_filter_fn.<locals>.<genexpr>E   s   øé € Ð=ªn s˜˜cžªnùs   ƒ)r   r   Ú
isinstanceÚlistÚtuple)r   r%   Úargss    ` r   Ú_apply_filter_fnÚ#FilterIterDataPipe._apply_filter_fnA   sl   ø€ Ø�>‰>Ñ!Ø—>‘> $Ó'Ð'Ü˜Ÿ™¬¬u¨×6Ñ6ÜÔ=¨d¯nªnÓ=Ó=ˆDØ—>’> 4Ð(Ð(à—>‘> $ t§~¡~Ñ"6Ó7Ð7r   c              #   óž   #   • U R                    H9  nU R                  U5      u  p#U(       a  Uv •  M#  [        R                  " U5        M;     g 7fr   )r   Ú_returnIfTruer
   Úclose_streams)r   r%   Ú	conditionÚfiltereds       r   Ú__iter__ÚFilterIterDataPipe.__iter__J   s<   é € Ø—M”MˆDØ"&×"4Ñ"4°TÓ":ÑˆIÞØ”ä×+Ò+¨DÖ1ò "ùs   ‚AAr%   c                 ó¤  • U R                  U5      n[        R                  " U5      (       ax  / n[        [        R                  " U5      5       H3  u  pEU(       d  M  UR                  [        R                  " X5      5        M5     U(       a  S[        R                  " U5      4$ g[        U[        5      (       d  [        S[        U5      5      eX!4$ )NT)FNzEBoolean output is required for `filter_fn` of FilterIterDataPipe, got)r,   Ú
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 ˆÐr   )r   r   r   r   )Ú__name__Ú
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 
÷1ð 1ð8¨ô 8ð2˜( 5™/ô 2ð "ð ¨¨t°R¨x©÷ ò r   N)Úcollections.abcr   r   Útypingr   Ú%torch.utils.data.datapipes._decoratorr   Ú$torch.utils.data.datapipes.dataframer   r6   Ú#torch.utils.data.datapipes.datapiper   Ú'torch.utils.data.datapipes.utils.commonr	   r
   r   Ú__all__r   r   r   r"   r   r   Ú<module>rS      sg   ðç .Ý å EÝ PÝ <÷ñ ð  Ð
 €ñ ˆTƒ]€Ù� 4Ñ(€ñ �XÓôO˜ eÑ,ó Oó ñOr   