o
    i                     @   sX   d dl mZmZmZmZ d dlZd dlmZ d dl	m
Z
 d dlmZ G dd deZdS )    )IteratorListTupleUnionN)check_argument_typesload_num_sequence_text)
AbsSamplerc                   @   s|   e Zd Z					ddedeeedf ee f d	ed
edededefddZ	dd Z
dd Zdeeedf  fddZdS )NumElementsBatchSampler   
descending	ascendingFT
batch_binsshape_files.min_batch_sizesort_in_batch
sort_batch	drop_lastpaddingc              	      s~  t  sJ |dksJ |dkr|dkrtd| |dkr)|dkr)td| || _|| _|| _|| _|| _dd |D d t|D ]\}}	t|	tkr`t	d| d	|d  qHt
fd
ddtdkrzt	d|d  |rfddD }
nd }
g }g  D ]^  |rt|D ]!\}	}t|	 dd  t|	d  dd  krt	d| qt fddt|
D }ntfdd D }||krt |kr|t  g  qt dkr| jrt|dkr|t  t|dkrt	dt|dkr8|d |k r8t|dD ]}||t|  d   d7  < q%| jsRt|tksRJ t| d	t g | _t|}t|}g }D ]C| t||kr|dkry|  n|dkrntd| | jt| g }zt|}W qa ty   Y  nw qa|dkrd S |dkr| j  d S td| )Nr   r   r   z,sort_batch must be ascending or descending: z/sort_in_batch must be ascending or descending: c                 S   s   g | ]}t |d dqS )csv_int)loader_typer   ).0s r   _/home/ubuntu/.local/lib/python3.10/site-packages/espnet2/samplers/num_elements_batch_sampler.py
<listcomp>)   s    z4NumElementsBatchSampler.__init__.<locals>.<listcomp>zkeys are mismatched between z != c                    s    |  d S )Nr   r   )k)first_utt2shaper   r   <lambda>6   s    z2NumElementsBatchSampler.__init__.<locals>.<lambda>)keyz0 lines found: c                    s&   g | ]}t | d   dd qS )r   r   Nnpprod)r   d)keysr   r   r   <   s   & r   z8If padding=True, the feature dimension must be unified: c                 3   s,    | ]\}}t  | d   | V  qdS )r   N)len)r   shr#   )current_batch_keysr   r   r   	<genexpr>M   s
    
z3NumElementsBatchSampler.__init__.<locals>.<genexpr>c                 3   s(    | ]} D ]
}t || V  qqd S Nr    )r   r   r#   )
utt2shapesr   r   r(   R   s    z	0 batches)r   
ValueErrorr   r   r   r   r   zipsetRuntimeErrorsortedr%   appendtuplesumrangepop
batch_listiternextreverseStopIteration)selfr   r   r   r   r   r   r   r   r#   	feat_dimsbatch_sizesbinsiiter_bsbsminibatch_keysr   )r'   r   r   r$   r*   r   __init__   s   


,
",





z NumElementsBatchSampler.__init__c              
   C   s0   | j j dt|  d| j d| j d| j d
S )Nz	(N-batch=z, batch_bins=z, sort_in_batch=z, sort_batch=))	__class____name__r%   r   r   r   r;   r   r   r   __repr__   s   
z NumElementsBatchSampler.__repr__c                 C   
   t | jS r)   )r%   r6   rG   r   r   r   __len__      
zNumElementsBatchSampler.__len__returnc                 C   rI   r)   )r7   r6   rG   r   r   r   __iter__   rK   z NumElementsBatchSampler.__iter__N)r   r   r   FT)rF   
__module____qualname__intr   r   strr   boolrC   rH   rJ   r   rM   r   r   r   r   r
   
   s2    
 	r
   )typingr   r   r   r   numpyr!   	typeguardr   espnet2.fileio.read_textr   espnet2.samplers.abs_samplerr	   r
   r   r   r   r   <module>   s    