o
    $e9                     @   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G dd dZ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   OD:\Projects\ConvertPro\env\Lib\site-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)clsZarrr   xr   r   r   __new__   s   
zSubArray.__new__c                    s"   t  | t|di  | _d S Nr   )super__array_finalize__getattrr   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$   otherresultr&   r   r   r+   #      zSubArray.__add__c                    r(   )Niaddedr   r*   )r!   __iadd__r   r,   r-   r&   r   r   r2   (   r0   zSubArray.__iadd__)__name__
__module____qualname__r   r"   r+   r2   __classcell__r   r   r&   r   r      s
    r   c                       s"   e Zd ZdZd fdd	Z  ZS )SubMaskedArrayz<Pure subclass of MaskedArray, keeping some info on subclass.Nc                    s"   t  j| fi |}||jd< |S r    )r!   r   _optinfo)r   r   kwargsr%   r&   r   r   r   3   s   
zSubMaskedArray.__new__r   )r3   r4   r5   __doc__r   r6   r   r   r&   r   r7   1   s    r7   c                   @   s&   e Zd Zi efddZedd ZdS )	MSubArrayc                 C   s&   t ||}tj| ||d}|j|_|S )N)datamask)r   r   r   r   )r   r<   r   r=   Zsubarr_datar   r   r   r   ;   s   
zMSubArray.__new__c                 C   s   |  t}d|_|S )NF)r   r   Z_sharedmask)r$   Z_viewr   r   r   _seriesA   s   
zMSubArray._seriesN)r3   r4   r5   r   r   propertyr?   r   r   r   r   r;   9   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$   r   r   r   r   __init__V   s   zCSAIterator.__init__c                 C   s   | S r   r   r$   r   r   r   __iter__Z   s   zCSAIterator.__iter__c                 C   s4   | j |}t|tjs| }|t| j}|S r   )	rE   __getitem__
isinstancer   rC   	__array__r   typerB   )r$   Zindxoutr   r   r   rI   ]   s
   zCSAIterator.__getitem__c                 C   s   | j || j|< d S r   )rB   _validate_inputrE   )r$   indexvaluer   r   r   __setitem__d   s   zCSAIterator.__setitem__c                 C   s   t | j t| jS r   )nextrE   rK   r   rL   rB   rG   r   r   r   __next__g   s   zCSAIterator.__next__N)	r3   r4   r5   r:   rF   rH   rI   rQ   rS   r   r   r   r   rA   O   s    rA   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   rG   r   r   r   __str__m   s   zComplicatedSubArray.__str__c                 C   s   d| j j d|  dS )N< >)r'   r3   rG   r   r   r   __repr__p   s   zComplicatedSubArray.__repr__c                 C   s   t |ts	td|S )Nz!Can only set to MySubArray values)rJ   rT   
ValueError)r$   rP   r   r   r   rN   t   s   
z#ComplicatedSubArray._validate_inputc                    s   t  || | d S r   )r!   rQ   rN   r$   itemrP   r&   r   r   rQ   y   s   zComplicatedSubArray.__setitem__c                    s*   t  |}t|tjs| t}|S r   )r!   rI   rJ   r   rC   rK   r   rT   r[   r&   r   r   rI   ~   s   zComplicatedSubArray.__getitem__c                 C   s   t | S r   )rA   rG   r   r   r   rD      s   zComplicatedSubArray.flatc                 C   s   |   }||d d < d S r   )Zravel)r$   rP   yr   r   r   rD      s   Nc                    s@   t  ||}|d ur|d tju r|jddd |jd< |S )Nr   Z
multipliedr*   )r!   __array_wrap__r   multiplyr   r,   )r$   r%   contextr&   r   r   r^      s   z"ComplicatedSubArray.__array_wrap__r   )r3   r4   r5   rU   rY   rN   rQ   rI   r@   rD   setterr^   r6   r   r   r&   r   rT   k   s    

rT   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)Zdtype)r   r*   r   r   r   r=   )r   r   	msubarrayr<   r$   r   mxr   r   r   setup   s   zTestSubclassing.setupc                 C   sT   t d}g d}t|}t||d}tt|t t|j| tt|jt d S )Nrc   r   r   r*   r   r   re   )	r   r   r   r	   r   rJ   r   r   r>   )r$   r   mxsubZxmsubr   r   r   test_data_subclassing   s   
z%TestSubclassing.test_data_subclassingc                 C   s   | j \}}tt|jt d S r   )r<   r   rJ   r>   subarrayrg   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   Zerrstater   rJ   r
   rf   r   rg   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   rJ   r   rf   r   r>   rn   outerr   rg   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 )Nre   )	r<   r	   rK   r=   r   rJ   r   rf   r   )r$   r   rh   Zxmxr   r   r   test_masked_binary_operations2   s
   
z.TestSubclassing.test_masked_binary_operations2c                 C   sz  t tddgdgd  d}tt|}t|}|d }tt|t tt|t  tt|j	t
 t|j	ji  |d }tt|t tt|t tt|j	t
 t|j	jd dk |d7 }tt|t tt|t tt|j	t
 t|j	jd dk |g d t|jg d |jg d	 t|jg d	 t|d
did}t|}tt|d t|j|j d S )Nrc   r   r*      re   r)   r1   )r*   r   r   r   r*   )r   r   r   r   r*   namer   )r   r   )r   r   r	   rn   rf   r   rJ   r   r;   r>   r   r   r   Z	_set_mask_maskr?   hasattr)r$   r   ZmyZymzrl   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 )
Nrc   rj   c                 S   s   g | ]\}}||fqS r   r   ).0ijr   r   r   
<listcomp>   s    z=TestSubclassing.test_subclasspreservation.<locals>.<listcomp>rl   )r=   r   F)ZsubokT)r   r   zipr;   r	   r   rJ   r   r   rw   r   r   r   )r$   r   rk   Zxinforl   rz   r   r   r   test_subclasspreservation   s(   
z)TestSubclassing.test_subclasspreservationc                 C   s  t d}t|}t|g dd}tt|d t tt|d t tt|dd t tt|d t tt|d jt t|d tu  tt|d jt tt|dd jt tt|jd jt t|jd tu  tt|jdd j	t t
t|jd|d  t
t|jd|d  t
t|jtdd|dd  |d |d< |dd |dd< t
t|jjd|d  t
t|jjtdd|dd  |d |jd< |dd |jdd< d	S )
z,test that getter and setter go via baseclassrc   TFTFFre   r*   r*   .ru   r   r   .N)r   r   rT   r	   r   rJ   r<   r   rD   baser   rZ   rQ   slice)r$   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 )Nrc   r   r   r*   r   )r   r   rT   r	   r   rJ   r<   )r$   r   r   Zmxcsub_nomaskr   r   r   test_subclass_nomask_items*  s   
z*TestSubclassing.test_subclass_nomask_itemsc                 C   s\   t d}t|g dd}tt|d t|}t|g dd}tt|dtj d dS )zOtest that repr uses the name of the subclass
        and 'array' for np.ndarrayrc   r   re   r	   Zmasked_z(data=[--, 1, --, 3, 4]N)r   r   r	   r   reprr   r3   )r$   r   rh   rl   rz   r   r   r   test_subclass_repr5  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, setitemrc   r   re   z[-- 1 -- 3 4]r   z myprefix [-- 1 -- 3 4] mypostfixN)r   r   r   r	   r   strrT   r   rZ   rQ   macoreZmasked_print_option)r$   r   rl   rz   r   r   r   r   r   test_subclass_str@  s   

z!TestSubclassing.test_subclass_strc                 C   sv   t dg dd}t g dd}t||}td|jv  t|jd dk || }td|jv  t|jd dk d S )Ntest)r*         ru   rc      )r<   )r   r*   r   r   ru   rc   r   )r7   r   subtractr   r8   )r$   Zarr1Zarr2Zdiff1Zdiff2r   r   r   $test_pure_subclass_info_preservationN  s   z4TestSubclassing.test_pure_subclass_info_preservationN)r3   r4   r5   ri   rm   ro   rq   rs   rt   r{   r   r   r   r   r   r   r   r   r   r   rb      s    
!%rb   c                   @   s    e Zd ZdZdd Zdd ZdS )ArrayNoInheritancez6Quantity-like class that does not inherit from ndarrayc                 C   s   || _ || _d S r   )	magnitudeunits)r$   r<   r   r   r   r   rF   ]  s   
zArrayNoInheritance.__init__c                 C   s   t | j|S r   )r#   r   )r$   attrr   r   r   __getattr__a  s   zArrayNoInheritance.__getattr__N)r3   r4   r5   r:   rF   r   r   r   r   r   r   [  s    r   c                  C   s  t jjg dg dd} t| d}t j|}t| j|j t| j|j g d| _t| j|j t|j t jj|dd}t| j|j t| j|j g d| _tg d|j t|j  t jj|dd	}t| j|j t| jg d t|j  t|j  d S )
N)r*   r   r   )TFTre   Zmeters)TFFT)r   F)Z	keep_mask)	r   r   r   r   r   r<   r=   r   Z
sharedmask)Zdata_maskedZdata_masked_unitsZ	new_arrayr   r   r   test_array_no_inheritancee  s&   



r   )!r:   numpyr   Znumpy.testingr   r   Znumpy.ma.testutilsr   Znumpy.ma.corer   r   r   r   r	   r
   r   r   r   r   r   r   r   rC   r   rn   r7   r;   rf   rA   rT   rb   r   r   r   r   r   r   <module>   s"   8+ F
