U
    sVcv2                     @   s  d dl Z d dlZd dlZd dlZd dlZd dlmZ d dlm	Z
 d dlmZmZmZ d dlmZ eejddeddd	Zeejd
deddd	Zeed  ed ded ded ddZeed  ed ded ded ddZeejjdd
ddeddd	Zeejjdd
ddeddd	Zed j Zed j Z ed j Z!ed j Z"ej#j$ej% ddG dd dZ&dS )    N)option_context)	DataFrameIndexSeries)expressions'     ABCDZfloat64)columnsdtyped   ABZfloat32CZint64DZint32)r   r   r   r      )r   r   size)e   r   znot using numexpr)reasonc                   @   s  e Zd Zdd Zdd ZeeedddZe	j
deeeejjd	d
eed eeeege	j
dddge	j
dddddddgdd Ze	j
deeeejjd	d
eed eeeege	j
dddgdd Zdd Ze	j
ddddd d!ge	j
d"eefeefgd#d$ Ze	j
dd%d&d'd(d)d*ge	j
d"eefeefgd+d, Ze	j
d-ddge	j
deeeegd.d/ Ze	j
d0d1d2d3gd4d5 Z e	j
d0d6d7d8gd9d: Z!e	j
d;e"d	d<d
d=gd	d<d
d=ggd>d?d@dAgdBe"ddgddggd>dAgdBfe"d	dCd
d=gd	dDd
d=gd	d<d<dEggd>d?d@dAgdBe"ddgddgddggd>dAgdBfgdFdG Z#e	j
ddHe	j
dIdJdKdL Z$e	j
dMdNdOdPdQge	j
dRe"e%e&ge	j
dSdTdUgdVdW Z'dXS )YTestExpressionsc                 C   s   t j| _d S N)expr_MIN_ELEMENTSself r   A/tmp/pip-unpacked-wheel-xj8nt62q/pandas/tests/test_expressions.pysetup_method2   s    zTestExpressions.setup_methodc                 C   s   | j t_ d S r   )r   r   r   r   r   r   teardown_method5   s    zTestExpressions.teardown_method)flexopnamec              	      s\   |r fdd} |_ n
tt }tdd || |}W 5 Q R X t  || |}||fS )Nc                    s   t |  |S r   )getattr)xyr!   r   r   <lambda>;       z)TestExpressions.call_op.<locals>.<lambda>compute.use_numexprF)__name__r"   operatorr   r   get_test_result)dfotherr    r!   opexpectedresultr   r%   r   call_op8   s    

zTestExpressions.call_opr,   r      r   r    TFarithaddsubmulmodtruedivfloordivc                 C   s   dt _| ||||\}}|dkr<tdd |jjD s<tt|| t	t
|jD ]X}| |jd d |f |jd d |f ||\}}|dkr|jjdkstt|| qVd S )Nr   r8   c                 s   s   | ]}|j d kV  qdS )fN)kind).0r#   r   r   r   	<genexpr>^   s     z6TestExpressions.test_run_arithmetic.<locals>.<genexpr>r:   )r   r   r1   allZdtypesvaluesAssertionErrortmassert_equalrangelenr
   ilocr   r;   )r   r,   r    r3   r0   r/   ir   r   r   test_run_arithmeticH   s    0z#TestExpressions.test_run_arithmeticc           	   	   C   sp   |j }tdd | d }W 5 Q R X dt_td | ||||\}}t }|s`tdt	
|| dS )z
        tests solely that the result is the same whether or not numexpr is
        enabled.  Need to test whether the function does the correct thing
        elsewhere.
        r(   Fr   r   Tz Did not use numexpr as expected.N)r)   r   copyr   r   Zset_test_moder1   r+   r@   rA   rB   )	r   r,   r    Zcomparison_opr3   r-   r0   r/   Zused_numexprr   r   r   test_run_binaryg   s    
zTestExpressions.test_run_binaryc                 C   sp   t jd}t jd}ttjd ||d}|r4tttjd||d}|rPtttjd||d}|sltd S )NiAB r   evaluate+)nprandomrandnr   _can_use_numexprr*   r4   r@   )r   arrayZarray2r0   r   r   r   test_invalid   s    zTestExpressions.test_invalidzopname,op_str)r4   rK   )r5   -)r6   *)r8   /)pow**z
left,rightc              	      sP    fdd}t dd |  W 5 Q R X td |  t  |  d S )Nc               	      s   dkrd S t t} t < d}td|t tj|   dd}tj|   dd}W 5 Q R X t	|| t
| d}|rtd S )NrU   z(invalid value encountered in true_divideignoreTuse_numexprFrJ   )r"   r*   warningscatch_warningsfilterwarningsRuntimeWarningr   rJ   rA   assert_numpy_array_equalrO   r@   )r.   msgr0   r/   leftop_strr!   rightr   r   testit   s    

z/TestExpressions.test_binary_ops.<locals>.testitr(   Fr   r   r   Zset_numexpr_threadsr   r!   rb   ra   rc   rd   r   r`   r   test_binary_ops   s    
zTestExpressions.test_binary_ops)gt>)lt<)gez>=)lez<=)eqz==)nez!=c              	      sP    fdd}t dd |  W 5 Q R X td |  t  |  d S )Nc                     sh    d } d }t t}tj| | dd}tj| | dd}t|| t||d}|rdtd S )Nr   TrX   FrJ   )r"   r*   r   rJ   rA   r^   rO   r@   )Zf12Zf22r.   r0   r/   r`   r   r   rd      s    
z3TestExpressions.test_comparison_ops.<locals>.testitr(   Fr   re   rf   r   r`   r   test_comparison_ops   s    
z#TestExpressions.test_comparison_opscondc              	      sL    fdd}t dd |  W 5 Q R X td |  t  |  d S )Nc                     sX   t jjt jd} |   t| jjd }t | jjd }t	|| d S )N)r   r   )
rL   emptyshapeZbool_fillr   wherer?   rA   r^   )cr0   r/   rq   r,   r   r   rd      s
    
z*TestExpressions.test_where.<locals>.testitr(   Fr   re   )r   rq   r,   rd   r   rw   r   
test_where   s    
zTestExpressions.test_wherezop_str,opname)rT   r8   )z//r9   )rV   rU   c              	   C   s*  t tjddktjddkd}d| d}tt|}t|}tj	t
|d ||| W 5 Q R X tj	t
|d ||j|j W 5 Q R X tj	t
|d ||jd W 5 Q R X tj	t
|d |d|j W 5 Q R X tj	t
|d |d| W 5 Q R X tj	t
|d ||d W 5 Q R X d S )	N
         ?abz
operator 'z!' not implemented for bool dtypes)matchTF)r   rL   rM   randr"   r*   reescapepytestZraisesNotImplementedErrorr|   r}   )r   rb   r!   r,   r_   r:   err_msgr   r   r   !test_bool_ops_raise_on_arithmetic   s     &

z1TestExpressions.test_bool_ops_raise_on_arithmetic)rK   r4   )rS   r6   )rR   r5   c              
   C   s  d}t tj|dktj|dkd}dddd}dd	d
d}tt|}tt|||  }|dkrjd S tjdddN t & |||}	|||}
t	|	|
 W 5 Q R X t . ||j
|j}	||j
|j}
t|	|
 W 5 Q R X t * ||j
d}	||j
d}
t|	|
 W 5 Q R X t * |d|j
}	|d|j
}
t|	|
 W 5 Q R X t & |d|}	|d|}
t	|	|
 W 5 Q R X t & ||d}	||d}
t	|	|
 W 5 Q R X W 5 Q R X d S )Nry   rz   r{   |&^)rK   rS   rR   or_and_xor)r   r   r   rR   T   )Zmin_elementsF)r   rL   rM   r   r"   r*   rA   rY   Zassert_produces_warningassert_frame_equalr|   r}   Zassert_series_equal)r   rb   r!   nr,   subsZ	sub_funcsr:   Zferer   r   r    test_bool_ops_warn_on_arithmetic  sB    &












z0TestExpressions.test_bool_ops_warn_on_arithmeticztest_input,expectedr   Zaar|   r}   rv   r   )r
      r   Zbbc                 C   s>   |j d d ddgf |j d d ddgf }t|| d S )Nr|   r   )locro   rA   r   )r   Z
test_inputr/   r0   r   r   r   test_bool_ops_column_name_dtypeC  s    .z/TestExpressions.test_bool_ops_column_name_dtype)r4   r5   r6   r7   r8   r9   axis)r   r   c              	   C   s   t }|dkr |jdd d f }n|jd d df }dt_t||}tdd |||d}W 5 Q R X |||d}t|| d S )Nr   r   r(   F)r   )_framerE   r   r   r"   r   rA   r   )r   r   r3   r,   r-   Zop_funcr/   r0   r   r   r   test_frame_series_axis]  s    
z&TestExpressions.test_frame_series_axisr.   __mod____rmod____floordiv____rfloordiv__boxscalarr   c              	   C   s   dt _tdd}||}t||}||}tdd ||}W 5 Q R X t|| t|D ]`\}	}
|t	kr~|j
|	df }n||	 }ztt|
||}W n tk
r   Y q^X ||ks^tq^d S )Nr   i2   r(   F)r   r   rL   Zaranger"   r   rA   rB   	enumerater   rE   intZeroDivisionErrorr@   )r   r.   r   r   dataobjmethodr0   r/   rF   elemZscalar_resultr   r   r   ,test_python_semantics_with_numexpr_installedt  s"    
z<TestExpressions.test_python_semantics_with_numexpr_installedN)(r)   
__module____qualname__r   r   staticmethodboolstrr1   r   markZparametrize_integer	_integer2rL   rM   randintrs   r   _frame2_mixed_mixed2rG   rI   rQ   _array_array2_array_mixed_array_mixed2rg   rp   rx   r   r   r   r   r   r   r   r   r   r   r   r   r   0   s       
 
- 
 

 	r   )'r*   r   rZ   ZnumpyrL   r   Zpandasr   Zpandas._testingZ_testingrA   Zpandas.core.apir   r   r   Zpandas.core.computationr   r   rM   rN   listr   r   rH   Zastyper   r   r   r   r   r?   r   r   r   r   r   ZskipifZUSE_NUMEXPRr   r   r   r   r   <module>   sP   

    