o
    6ac1                     @   s   d Z ddlZddlmZmZ ddlmZ ddlm	Z	m
Z
mZmZmZmZmZmZmZmZmZmZ dd ZG dd	 d	ejZeZG d
d deZG dd deeZeZG dd dZG dd deZG dd dZdS )zTests suite for MaskedArray & subclassing.

:author: Pierre Gerard-Marchant
:contact: pierregm_at_uga_dot_edu
:version: $Id: test_subclassing.py 3473 2007-10-29 15:18:13Z jarrod.millman $

    N)assert_assert_raises)assert_equal)arrayarangemaskedMaskedArraymasked_arraylogaddhypotdivideasarray
asanyarraynomaskc                 C   s   t | d t| | d S N)r   len)ab r   A/usr/lib/python3/dist-packages/numpy/ma/tests/test_subclassing.pyassert_startswith   s   r   c                       s@   e Zd Zi fddZ fddZ fddZ fddZ  ZS )	SubArrayc                 C   s   t || }| |_|S r   )npr   viewcopyinfo)clsarrr   xr   r   r   __new__   s   
zSubArray.__new__c                    s4   t tt dd rt | t|di  | _d S )N__array_finalize__r   )callablegetattrsuperr!   r   r   )selfobj	__class__r   r   r!      s   zSubArray.__array_finalize__c                    (   t  |}|jddd |jd< |S )Naddedr      )r$   __add__r   getr%   otherresultr'   r   r   r,   $      zSubArray.__add__c                    r)   )Niaddedr   r+   )r$   __iadd__r   r-   r.   r'   r   r   r3   )   r1   zSubArray.__iadd__)__name__
__module____qualname__r    r!   r,   r3   __classcell__r   r   r'   r   r      s
    r   c                       s"   e Zd ZdZd fdd	Z  ZS )SubMaskedArrayz<Pure subclass of MaskedArray, keeping some info on subclass.Nc                    s"   t  j| fi |}||jd< |S )Nr   )r$   r    _optinfo)r   r   kwargsr&   r'   r   r   r    4   s   
zSubMaskedArray.__new__r   )r4   r5   r6   __doc__r    r7   r   r   r'   r   r8   2   s    r8   c                   @   s&   e Zd Zi efddZedd ZdS )	MSubArrayc                 C   s&   t ||}tj| ||d}|j|_|S )N)datamask)r   r   r    r   )r   r=   r   r>   subarr_datar   r   r   r    <   s   
zMSubArray.__new__c                 C   s   |  t}d|_|S )NF)r   r   _sharedmask)r%   _viewr   r   r   _seriesB   s   
zMSubArray._seriesN)r4   r5   r6   r   r    propertyrC   r   r   r   r   r<   :   s    r<   c                   @   s8   e Zd ZdZdd Zdd Zdd Zdd	 Zd
d ZdS )CSAIteratorz
    Flat iterator object that uses its own setter/getter
    (works around ndarray.flat not propagating subclass setters/getters
    see https://github.com/numpy/numpy/issues/4564)
    roughly following MaskedIterator
    c                 C   s   || _ |tjj| _d S r   )	_originalr   r   ndarrayflat	_dataiter)r%   r   r   r   r   __init__W   s   zCSAIterator.__init__c                 C   s   | S r   r   r%   r   r   r   __iter__[   s   zCSAIterator.__iter__c                 C   s4   | j |}t|tjs| }|t| j}|S r   )	rI   __getitem__
isinstancer   rG   	__array__r   typerF   )r%   indxoutr   r   r   rM   ^   s
   zCSAIterator.__getitem__c                 C   s   | j || j|< d S r   )rF   _validate_inputrI   )r%   indexvaluer   r   r   __setitem__e   s   zCSAIterator.__setitem__c                 C   s   t | j t| jS r   )nextrI   rO   r   rP   rF   rK   r   r   r   __next__h   s   zCSAIterator.__next__N)	r4   r5   r6   r;   rJ   rL   rM   rV   rX   r   r   r   r   rE   P   s    rE   c                       sh   e Zd Zdd Zdd Zdd Z fddZ fd	d
Zedd Z	e	j
dd Z	d fdd	Z  ZS )ComplicatedSubArrayc                 C   s   d|  t dS )Nz	myprefix z
 mypostfix)r   r   rK   r   r   r   __str__n   s   zComplicatedSubArray.__str__c                 C   s   d| j j d|  dS )N< >)r(   r4   rK   r   r   r   __repr__q   s   zComplicatedSubArray.__repr__c                 C   s   t |ts	td|S )Nz!Can only set to MySubArray values)rN   rY   
ValueError)r%   rU   r   r   r   rS   u   s   
z#ComplicatedSubArray._validate_inputc                    s   t  || | d S r   )r$   rV   rS   r%   itemrU   r'   r   r   rV   z   s   zComplicatedSubArray.__setitem__c                    s*   t  |}t|tjs| t}|S r   )r$   rM   rN   r   rG   rO   r   rY   r`   r'   r   r   rM      s   zComplicatedSubArray.__getitem__c                 C   s   t | S r   )rE   rK   r   r   r   rH      s   zComplicatedSubArray.flatc                 C   s   |   }||d d < d S r   )ravel)r%   rU   yr   r   r   rH      s   Nc                    s@   t  ||}|d ur|d tju r|jddd |jd< |S )Nr   
multipliedr+   )r$   __array_wrap__r   multiplyr   r-   )r%   r&   contextr'   r   r   re      s   z"ComplicatedSubArray.__array_wrap__r   )r4   r5   r6   rZ   r^   rS   rV   rM   rD   rH   setterre   r7   r   r   r'   r   rY   l   s    

rY   c                   @   st   e Zd Zdd Zdd Zdd Zdd Zd	d
 Zdd Zdd Z	dd Z
dd Zdd Zdd Zdd Zdd ZdS )TestSubclassingc                 C   s,   t jddd}t|g dd}||f| _d S )N   float)dtype)r   r+   r   r   r   r>   )r   r   	msubarrayr=   r%   r   mxr   r   r   setup   s   zTestSubclassing.setupc                 C   sT   t d}g d}t|}t||d}tt|t t|j| tt|jt d S )Nrj   r   r   r+   r   r   rm   )	r   r   r   r	   r   rN   r   r   r@   )r%   r   mxsubxmsubr   r   r   test_data_subclassing   s   
z%TestSubclassing.test_data_subclassingc                 C   s   | j \}}tt|jt d S r   )r=   r   rN   r@   subarrayro   r   r   r   test_maskedarray_subclassing   s   
z,TestSubclassing.test_maskedarray_subclassingc                 C   sb   | j \}}tjdd ttt|t tt|t| W d    d S 1 s*w   Y  d S )Nignore)r   )r=   r   errstater   rN   r
   rn   r   ro   r   r   r   test_masked_unary_operations   s
   
"z,TestSubclassing.test_masked_unary_operationsc                 C   s   | j \}}ttt||t ttt||t tt||||  ttt||jt ttt||t ttt	||t ttt	||t d S r   )
r=   r   rN   r   rn   r   r@   rw   outerr   ro   r   r   r   test_masked_binary_operations   s   
z-TestSubclassing.test_masked_binary_operationsc                 C   s`   | j \}}t|j  |jd}ttt||t ttt||t tt||t|| d S )Nrm   )	r=   r	   rO   r>   r   rN   r   rn   r   )r%   r   rp   xmxr   r   r   test_masked_binary_operations2   s
   
z.TestSubclassing.test_masked_binary_operations2c                 C   sz  t tddgdgd  d}tt|}t|}|d }tt|t tt|t  tt|j	t
 t|j	ji  |d }tt|t tt|t tt|j	t
 t|j	jd dk |d7 }tt|t tt|t tt|j	t
 t|j	jd dk |g d t|jg d |jg d	 t|jg d	 t|d
did}t|}tt|d t|j|j d S )Nrj   r   r+      rm   r*   r2   )r+   r   r   r   r+   )r   r   r   r   r+   namer   )r   r   )r   r   r	   rw   rn   r   rN   r   r<   r@   r   r   r   	_set_mask_maskrC   hasattr)r%   r   myymzrt   mxsubr   r   r   test_attributepropagation   s4   z)TestSubclassing.test_attributepropagationc                 C   s
  t d}g d}dd t||D }t||d|id}t|dd}tt|t  tt|t t|j	| t
|}tt|t  tt|t t|j	| t|d	d}tt|t t|j|j t|j	|j	 t|}tt|t t|j|j t|j	| d S )
Nrj   rr   c                 S   s   g | ]\}}||fqS r   r   ).0ijr   r   r   
<listcomp>   s    z=TestSubclassing.test_subclasspreservation.<locals>.<listcomp>rt   )r>   r   F)subokT)r   r   zipr<   r	   r   rN   r   r   r   r   r   r   )r%   r   rs   xinfort   r   r   r   r   test_subclasspreservation   s(   
z)TestSubclassing.test_subclasspreservationc                 C   s  t d}t|}t|g dd}tt|d t tt|d t tt|dd t tt|d t tt|d jt t|d tu  tt|d jt tt|dd jt tt|jd jt t|jd tu  tt|jdd j	t t
t|jd|d  t
t|jd|d  t
t|jtdd|dd  |d |d< |dd |dd< t
t|jjd|d  t
t|jjtdd|dd  |d |jd< |dd |jdd< d	S )
z,test that getter and setter go via baseclassrj   TFTFFrm   r+   r+   .r   r   r   .N)r   r   rY   r	   r   rN   r=   r   rH   baser   r_   rV   slice)r%   r   xcsubmxcsubr   r   r   test_subclass_items  s.   
 z#TestSubclassing.test_subclass_itemsc                 C   sj   t d}t|}t|}tt|d jt tt|d jt tt|d t tt|d t d S )Nrj   r   r   r+   r   )r   r   rY   r	   r   rN   r=   )r%   r   r   mxcsub_nomaskr   r   r   test_subclass_nomask_items+  s   
z*TestSubclassing.test_subclass_nomask_itemsc                 C   s\   t d}t|g dd}tt|d t|}t|g dd}tt|dtj d dS )zOtest that repr uses the name of the subclass
        and 'array' for np.ndarrayrj   r   rm   r	   masked_z(data=[--, 1, --, 3, 4]N)r   r   r	   r   reprr   r4   )r%   r   rp   rt   r   r   r   r   test_subclass_repr6  s   
z"TestSubclassing.test_subclass_reprc                 C   sp   t d}t|}t|g dd}tt|d t|}tt|j	dt j
jj t|g dd}tt|d dS )z7test str with subclass that has overridden str, setitemrj   r   rm   z[-- 1 -- 3 4]r   z myprefix [-- 1 -- 3 4] mypostfixN)r   r   r   r	   r   strrY   r   r_   rV   macoremasked_print_option)r%   r   rt   r   r   r   r   r   r   test_subclass_strA  s   

z!TestSubclassing.test_subclass_strc                 C   sv   t dg dd}t g dd}t||}td|jv  t|jd dk || }td|jv  t|jd dk d S )Ntest)r+         r   rj      )r=   )r   r+   r   r   r   rj   r   )r8   r   subtractr   r9   )r%   arr1arr2diff1diff2r   r   r   $test_pure_subclass_info_preservationO  s   z4TestSubclassing.test_pure_subclass_info_preservationN)r4   r5   r6   rq   rv   rx   r{   r}   r   r   r   r   r   r   r   r   r   r   r   r   ri      s    
!%ri   )r;   numpyr   numpy.testingr   r   numpy.ma.testutilsr   numpy.ma.corer   r   r   r   r	   r
   r   r   r   r   r   r   r   rG   r   rw   r8   r<   rn   rE   rY   ri   r   r   r   r   <module>   s   8+