o
    ҷh)                     @   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Zejdddgd	d
 Zdd Zdd Zedd Zeejdddg difddg d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edd Zeejd d!d!gd"d!gd!d#gd"d#gd$d%ggd&d' Zed(d) Zed*d+ Zed,d- Zejjd.d/ Zed0d1 Zed2d3 Zed4d5 Z ed6d7 Z!ed8d9 Z"ejd:e#d;fd<gd=d> Z$ed?d@ Z%dS )Az
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pyarrow_skipwith_headerTFc           	      C   s   | }d}d}|r)|| }|j t|dd}|j t|ddd}t|| d S |}d}tjt|d |j t|dd W d    d S 1 sIw   Y  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
ID	index_colr   headerzIndex ID invalidmatch)read_csvr   	set_indextmassert_frame_equalpytestraises
ValueError)	all_parsersr   parser	no_headerr   dataresultexpectedmsg r   X/var/www/html/venv/lib/python3.10/site-packages/pandas/tests/io/parser/test_index_col.pytest_index_col_named   s   "r   c                 C   sh   | }d}t g dg dg dg ddtg ddd	d
}g d}|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d)helloworldfoomessagenameindex)r,   r-   r.   r/   r3   )namesr
   )r   r   r   r   r   r   )r   r   r   r   r8   r   r   r   r   test_index_col_named20   s   r9   c                 C   sR   d}| }d}t jt|d |jt|dd W d    d S 1 s"w   Y  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_trueB   s   "r:   c                 C   sN   d}| }| t|}tg dg dg dgg dg d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"   )r2   barbaz)ABCr7   columnsr   r   r   r   r   r   r   r   r   r   r   r   r   test_infer_index_colL   s   rD   zindex_col,kwargsrA   xyzrG   rH   rF   r4   rA   r7   r    r#   r8   c                 C   s8   d}| }|j t||d}tdi |}t|| d S )Nzx,y,zr	   r   rB   )r   r
   kwargsr   r   r   r   r   r   r   test_index_col_empty_data^   s
   )rL   c                 C   s8   d}| }|j t|dd}tddgd}t|| d S )Nzx,yFr	   rF   rG   rA   rB   rC   r   r   r   test_empty_with_index_col_false   s
   rN   index_names r2   r;   NotReallyUnnamedz
Unnamed: 0c                 C   sr   | }d |dg }|jt|ddgd}tdg d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	   colr    r#   r&   r)   r,   r-   r.   r/   r6   c                 S   s   g | ]}|r|nd qS )Nr   ).0r5   r   r   r   
<listcomp>   s    z+test_multi_index_naming.<locals>.<listcomp>)
joinr   r   r   r   from_productr7   r8   r   r   )r   rO   r   r   r   r   r   r   r   test_multi_index_naming   s   rY   c                 C   sb   | }d}|j t|ddgd}tdg ditddgg d	gg d
g d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: 2)r.   r/   r.   r/   r,   r-   rT   )r   r   r    r    )r   r    r#   r&   )levelscodesr6   )r   r   r   r   r   r   )r   r   r   r   r   r   r   r   ,test_multi_index_naming_not_all_at_beginning   s   
r\   c                 C   s   | }t g d}ttjdd|g dd}t }|	| |j
|g dd}W d    n1 s6w   Y  t|| d S )N)r=   r    r#   r]   )r>   r    r#   r#   )r&   r&   rE   r@   )r   r    r#   r	   )r   from_tuplesr   nprandomdefault_rngstandard_normalr   ensure_cleanto_csvr   r   )r   r   midxr   pathr   r   r   r   %test_no_multi_index_level_names_empty   s   

rg   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
)r=   r>   )r=   zB.1I11I12rJ   I2r    r&   r@   r   )r
   r   r=   zA.1r4   r>   13)r   r^   r   r   r   r   r   r   )r   r   r   re   idxr   r   col_idxr   r   r   test_header_with_index_col   s   
ro   c              	   C   s   | }d}t t|d tjd|d d}t 1}|j|dd |	 }|
d| |j|dgd	}W d    n1 sAw   Y  W d    n1 sPw   Y  t||d
 d S )Nd   r    r#   r,   r-   Fr6   z,pandas.core.algorithms._MINIMUM_COMP_ARR_LENr   r	   r,   )r   ranger_   r`   ra   rb   r   rc   rd   contextsetattrr   r   r   )r   monkeypatchr   ARR_LENdfrf   mr   r   r   r   test_index_col_large_csv   s    


ry   c                 C   sX   | }|j tdddgdd}tg 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b0rJ   r@   )r   r   r   r   r   from_arraysr   r   r   r   r   r   r   r   r   )test_index_col_multiindex_columns_no_data   s   r   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   r{   r|   r}   r   r4   rI   )r   r   r   r   r   r   r   r   r   r   test_index_col_header_no_data  s   
r   c                 C   sH   | }|j tdddgd}tg tg dg dgd}t|| d S )Nrz   r   r    r   )r   r|   r}   )r   r~   r   rM   )r   r   r   r   r   r   r   r   r   r   r   test_multiindex_columns_no_data  s   r   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    r{   r   r|   r}   r~   r   r   r   rJ   rI   )r   r   r   r   r   r   r   r   r   r   r   r   +test_multiindex_columns_index_col_with_data)  s   r   c                 C   sR   | }|j tdddgdgddid}tdgdgdd	d}tj||d
d d S )Nz0,1r,   r-   UInt8)r8   r
   dtyper   r    rq   )r   F)check_index_type)r   r   r   r   r   r   r   r   r   r   test_infer_types_boolean_sum:  s    r   z
dtype, val01)int64r    c                 C   st   d}| }|t kr|jdkr|jtjjdd |jt|dd|id}t	ddgit
|gdd	d
}t|| d S )Nza,b
01,2pyarrowz0Cannot disable type-inference for pyarrow engine)reasonr,   )r
   r   r-   r#   r4   r6   )objectenginenode
add_markerr   markxfailr   r   r   r   r   r   )r   r   valrequestr   r   r   r   r   r   r    test_specify_dtype_for_index_colR  s   r   c                 C   s\   | }d}|j t|ddgdd}tjg dddgd}tg d	g|d
gd}t|| d S )Nza,b,c,d
e,f,g,h
x,y,1,2
r   r    r{   ))r,   e)r.   g)r/   hr-   frJ   )rF   r    r#   rG   rI   )r   r   r   r^   r   r   r   )r   r   r   r   colsr   r   r   r   -test_multiindex_columns_not_leading_index_col`  s   r   )&__doc__ior   numpyr_   r   pandasr   r   r   pandas._testing_testingr   r   usefixturesskip_pyarrowparametrizer   r9   r:   rD   r   rL   rN   rY   r\   rg   ro   slowry   r   r   r   r   r   r   r   r   r   r   r   r   <module>   s    


'	













