o
    `^h                     @   s  d dl Zd dlZd dlmZ d dlmZmZmZ d dl	m
Z
mZmZ d dlmZ dd Zdd	 Zejd
ejjde dd ddd Zejd
ejdejdd gejjde dd ddd Zejd
ejdejdgejjde dd dejdedd Zejd
ejjde dd dejdddgdd Zejjde d d dejdddgd!d" Zejd#ddgejjde d$d dd%d& Zejjde d'd dejd(ejd)gd*d+ ZdS ),    N)enable_iterative_imputerIterativeImputer
KNNImputerSimpleImputer)assert_allcloseassert_allclose_dense_sparseassert_array_equal)CSR_CONTAINERSc                   C   s   t ddt t gS )Ng?)tolr    r   r   ^/home/air/shanriGPT/back/venv/lib/python3.10/site-packages/sklearn/impute/tests/test_common.pyimputers   s   r   c                   C   s   t  gS N)r   r   r   r   r   sparse_imputers   s   r   z-ignore::sklearn.exceptions.ConvergenceWarningimputerc                 C      | j jS r   	__class____name__xr   r   r   <lambda>       r   )idsc                 C   s:   dgdgg}dgt jgg}| jdd | || d S )N         Tadd_indicator)npnan
set_paramsfit	transform)r   traintestr   r   r   +test_imputation_missing_value_in_test_array   s   r'   markerc                 C   r   r   r   r   r   r   r   r   %   r   c              
   C   s   t | dd| dgd| d| dgdd| | dgddd| dgg}t g dg d	g d
g dg}|j| dd ||}t|d d dd f | t|jjt g d |jdd ||}t|d d d df | d S Nr      r      r   	      )      ?        r0   r/   )r0   r/   r0   r/   )r0   r0   r/   r/   )r0   r0   r0   r/   T)missing_valuesr   )r   r   r   r   Fr   )r    arrayr"   fit_transformr   r	   
indicator_	features_)r(   r   XX_true_indicatorX_transX_trans_no_indicatorr   r   r   test_imputers_add_indicator#   s*   

r;   c                 C   r   r   r   r   r   r   r   r   F   r   csr_containerc              	   C   s   ||dd|dgd|d|dgdd||dgddd|dgg}|g dg d	g d
g dg}| j |dd | |}t|d d dd f | t| jjtg d | j dd | |}t|d d d df | d S r*   )r"   r4   r   r	   r5   r6   r    r3   )r   r(   r<   r7   r8   r9   r:   r   r   r   "test_imputers_add_indicator_sparseC   s*   

r=   c                 C   r   r   r   r   r   r   r   r   g   r   r   TFc              
   C   s   t d}tj}| j||d} t|dd|dgd|d|dgdd||dgddd|d	gg}| |}|j|d
g dd}| |}t|| d S )Npandasr   r1   r   r+   r   r,   r   r-   r.   Int16)abcde)dtypecolumns)	pytestimportorskipr    r!   r"   r3   r4   	DataFramer   )r   r   pdr(   r7   X_trans_expectedX_dfr9   r   r   r   -test_imputers_pandas_na_integer_array_supportf   s   

	
rN   c                 C   r   r   r   r   r   r   r   r      r   c                 C   s   t d}tj}| j||d} t|ddd|dgd|dd|dgddd	||dgddd
d|dgg}|j|g dd}| | |  }|rOg d}t	|| dS g d}t	|| dS )z%Check feature names out for imputers.r>   r?   r   r+   r   r   r.   r,      r-      )rA   rB   rC   rD   rE   f)rG   )	rA   rB   rC   rD   rQ   missingindicator_amissingindicator_bmissingindicator_dmissingindicator_e)rA   rB   rC   rD   rQ   N)
rH   rI   r    r!   r"   r3   rJ   r#   get_feature_names_outr	   )r   r   rK   r(   r7   rM   namesexpected_namesr   r   r   &test_imputers_feature_names_out_pandas   s$   

rY   keep_empty_featuresc                 C   r   r   r   r   r   r   r   r      r   c                 C   s   t t jdgt jdgt jdgg}| jd|d} dD ]%}t| ||}|r.|j|jks-J q|j|jd |jd d fks?J qdS )	z?Check that the imputer keeps features with only missing values.r   r   r   F)r   rZ   )r4   r$   r   N)r    r3   r!   r"   getattrshape)r   rZ   r7   method	X_imputedr   r   r   test_keep_empty_features   s   "$r_   c                 C   r   r   r   r   r   r   r   r      r   missing_value_testr   c                 C   s   t dt jgddgg}t d|gddgg}| jdd | | | |}|jdks.J | jdd | | | |}|jdksEJ t|d	d	d	d
f | t |r\ddg}nddg}t|d	d	d
f | d	S )zoCheck that missing indicator always exists when add_indicator=True.

    Non-regression test for gh-26590.
    r   r   r   Tr   )r   r   F)r   r   Nr)   )	r    r3   r!   r"   r#   r$   r\   r   isnan)r   r`   X_trainX_testX_test_imputed_with_indicator X_test_imputed_without_indicatorexpected_missing_indicatorr   r   r   ?test_imputation_adds_missing_indicator_if_add_indicator_is_true   s"   	





rg   )numpyr    rH   sklearn.experimentalr   sklearn.imputer   r   r   sklearn.utils._testingr   r   r	   sklearn.utils.fixesr
   r   r   markfilterwarningsparametrizer'   r!   r;   r=   rN   rY   r_   rg   r   r   r   r   <module>   sF    




%