U
    f/e                      @   s(  d Z ddlmZ ddlZddlZddlmZmZm	Z	 ddl
mZ ejdddgdd	 Zd
d Zdd Zdd Zejddddddgifdddddgifdddgeg dddfdddgeg dddfdddgeg dddfdddgeg dddfddgdge	jg gd ddgddfddgdge	jg gd ddgddfddgdge	jg gd ddgddfddgdge	jg gd ddgddfg
dd Zdd Zejdddgd dgdd!gd d!gd"d#ggd$d% Zd&d' Zd(d) Zd*d+ Zejjd,d- Zd.d/ Zd0d1 Zd2d3 Zd4d5 ZdS )6z
Tests that the specified index column (a.k.a "index_col")
is properly handled or inferred during parsing for all of
the parsers defined in parsers.py
    )StringION)	DataFrameIndex
MultiIndexwith_headerTFc           	   	   C   s   | }d}d}|rP|| }|j t|dd}|j t|ddd}t|| n4|}d}tjt|d |j t|dd W 5 Q R X d S )	Na  KORD1,19990127, 19:00:00, 18:56:00, 0.8100, 2.8100, 7.2000, 0.0000, 280.0000
KORD2,19990127, 20:00:00, 19:56:00, 0.0100, 2.2100, 7.2000, 0.0000, 260.0000
KORD3,19990127, 21:00:00, 20:56:00, -0.5900, 2.2100, 5.7000, 0.0000, 280.0000
KORD4,19990127, 21:00:00, 21:18:00, -0.9900, 2.0100, 3.6000, 0.0000, 270.0000
KORD5,19990127, 22:00:00, 21:56:00, -0.5900, 1.7100, 5.1000, 0.0000, 290.0000
KORD6,19990127, 23:00:00, 22:56:00, -0.5900, 1.7100, 4.6000, 0.0000, 280.0000zBID,date,NominalTime,ActualTime,TDew,TAir,Windspeed,Precip,WindDir
ZID	index_colr   headerzIndex ID invalidmatch)read_csvr   	set_indextmassert_frame_equalpytestraises
ValueError)	all_parsersr   parserZ	no_headerr
   dataresultexpectedmsg r   I/tmp/pip-unpacked-wheel-tiezk1ph/pandas/tests/io/parser/test_index_col.pytest_index_col_named   s    r   c                 C   sx   | }d}t dddgdddgdd	d
gdddgdtdddgddd}dddddg}|jt||dgd}t|| d S )Nz+1,2,3,4,hello
5,6,7,8,world
9,10,11,12,foo
      	         
                     )abcdZhelloZworldfoomessagenameindexr)   r*   r+   r,   )namesr   )r   r   r   r   r   r   )r   r   r   r   r3   r   r   r   r   test_index_col_named2-   s    $r4   c              	   C   s<   d}| }d}t jt|d |jt|dd W 5 Q R X d S )Nza,b
1,2z)The value of index_col couldn't be 'True'r   Tr   )r   r   r   r   r   )r   r   r   r   r   r   r   test_index_col_is_true?   s
    r5   c                 C   sX   d}| }| t|}tdddgdddgdd	d
ggdddgdddgd}t|| d S )Nz$A,B,C
foo,1,2,3
bar,4,5,6
baz,7,8,9
r   r    r#   r&   r   r!   r$   r'   r   r-   barZbazABCr2   columnsr   r   r   r   r   r   r   r   r   r   r   r   r   test_infer_index_colI   s    r>   zindex_col,kwargsr;   xyzr/   r;   r2   r   r    r3   c                 C   s4   d}| }|j t||d}tf |}t|| d S )Nzx,y,zr   r<   )r   r   kwargsr   r   r   r   r   r   r   test_index_col_empty_dataZ   s
    (
rE   c                 C   s8   d}| }|j t|dd}tddgd}t|| d S )Nzx,yFr   r?   r@   r;   r<   r=   r   r   r   test_empty_with_index_col_false   s
    rG   index_names r-   r6   ZNotReallyUnnamedz
Unnamed: 0c                 C   sv   | }d |dg }|jt|ddgd}tddddd	gitd
dgddggd}dd |D |j_t	|| d S )N,zcol
a,c,1
a,d,2
b,c,3
b,d,4r   r   r   colr    r#   r&   r)   r*   r+   r,   r1   c                 S   s   g | ]}|r|nd qS )Nr   ).0r0   r   r   r   
<listcomp>   s     z+test_multi_index_naming.<locals>.<listcomp>)
joinr   r   r   r   Zfrom_productr2   r3   r   r   )r   rH   r   r   r   r   r   r   r   test_multi_index_naming   s     rO   c              	   C   sr   | }d}|j t|ddgd}tdddddgitdd	gd
dddggddd
d
gdd
ddggdd}t|| d S )Nz$,Unnamed: 2,
a,c,1
a,d,2
b,c,3
b,d,4r   r    r   z
Unnamed: 2r+   r,   r)   r*   r   r#   r&   )levelscodesr1   )r   r   r   r   r   r   )r   r   r   r   r   r   r   r   ,test_multi_index_naming_not_all_at_beginning   s     rR   c              	   C   st   | }t dddg}ttjdd|dddgd}t $}|| |j	|dd	d
gd}W 5 Q R X t
|| d S )N)r7   r   r    )r8   r   r    r#   r?   r@   rA   r:   r   r   r    r   )r   from_tuplesr   nprandomrandnr   ensure_cleanto_csvr   r   )r   r   midxr   pathr   r   r   r   %test_no_multi_index_level_names_empty   s    

r[   c                 C   s   | }d}t jddgddgd}tdg}tdd	gg||d
}|jt|dddgd}t|| tddg}tddgdd}tddgddgg||d
}|jt|ddd}t|| d S )Nz
I11,A,A
I12,B,B
I2,1,3
)r7   r8   )r7   zB.1ZI11ZI12rC   ZI2r   r#   r:   r   )r   r
   r7   zA.1r/   r8   13)r   rS   r   r   r   r   r   r   )r   r   r   rY   idxr   r   Zcol_idxr   r   r   test_header_with_index_col   s    
r_   c              	   C   sj   | }d}t t|tj|d}t $}|j|dd |j|dgd}W 5 Q R X t	||
d d S )NiAB )r)   r*   Fr1   r   r   r)   )r   rangerT   rU   rV   r   rW   rX   r   r   r   )r   r   NZdfrZ   r   r   r   r   test_index_col_large_csv   s    
rb   c                 C   sR   | }|j tdddgdd}tg tjddgddggd	d
gdd}t|| d S )Na0,a1,a2
b0,b1,b2
r   r   r
   r   a1a2b1b2a0b0rC   rF   r   r   r   r   from_arraysr   r   r   r   r   r   r   r   r   )test_index_col_multiindex_columns_no_data   s       rn   c                 C   sD   | }|j tddgdd}tg ddgtg ddd}t|| d S )	Nz	a0,a1,a2
r   rd   re   rf   ri   r/   rB   )r   r   r   r   r   r   rm   r   r   r   test_index_col_header_no_data   s    
ro   c                 C   sL   | }|j tdddgd}tg tdddgdd	d
ggd}t|| d S )Nrc   r   r   r	   ri   re   rf   rj   rg   rh   rF   rk   rm   r   r   r   test_multiindex_columns_no_data  s     rp   c                 C   s`   | }|j tdddgdd}tddggtjddgdd	ggd
dgdtdgd}t|| d S )Nz a0,a1,a2
b0,b1,b2
data,data,datar   r   rd   r   re   rf   rg   rh   ri   rj   rC   rB   )r   r   r   r   rl   r   r   r   rm   r   r   r   +test_multiindex_columns_index_col_with_data  s       rq   ) __doc__ior   ZnumpyrT   r   Zpandasr   r   r   Zpandas._testingZ_testingr   markZparametrizer   r4   r5   r>   rl   rE   rG   rO   rR   r[   r_   Zslowrb   rn   ro   rp   rq   r   r   r   r   <module>   sz   

'
	




