o
    _~#g%R                     @   sp  d Z ddlmZ ddlmZ ddlZddlZddlm	Z	 ddl
mZmZmZ ddlmZ ejdZejdZejd	Zed
d Zdd Zejdg dddggdd Zejdddgdd Zedd Zdd Zedd Zejdddd gid!fdd"gdd gd#d$fdd"gdd gd%d&fgd'd( Zed)d*d+gZ eejd,ddd"gid-g d.d/d-e d0d1e d0d2e d0d3e d4d5e d6d7e d6d8gd/gd9d: Z!eejd,ddd"gid;g d.d/d;e d0d1e d0d2e d0d3e d4d5e d6d7e d6d8gd/gd<d= Z"eejd,ddd"gid;g d.d/d;e d0d1e d0d2e d0d3e d4d5e d6d7e d6d8gd/gd>d? Z#ed@dA Z$edBdC Z%edDdE Z&edFdG Z'ejdHdIdJgdKdL Z(eejd,i ddigdMdN Z)ejdOi g dPfdQg dRig dRfgdSdT Z*ejdd0d4gdUgdVdW Z+edXdY Z,eejdZd[eg d\ge-g d]d^fd_eg d\ge-g d`d^fdaeg dbge-g dcd^fgddde Z.eejdddggejdfddgdhgdhdggdhdiggdjdk Z/edldm Z0edndo Z1edpdq Z2edrds Z3edtdu Z4dvdw Z5edxdy Z6edzd{ Z7ed|d} Z8d~d Z9dS )zx
Tests that the file header is properly handled or inferred
during parsing for all of the parsers defined in parsers.py
    )
namedtuple)StringION)ParserError)	DataFrameIndex
MultiIndexz=ignore:Passing a BlockManager to DataFrame:DeprecationWarningpyarrow_xfailpyarrow_skipc                 C   sT   | }d}t jt|d td}|j|dgd W d    d S 1 s#w   Y  d S )Nzbut only \d+ lines in filematchz,,
   header)pytestraises
ValueErrorr   read_csv)all_parsersparsermsgs r   /var/www/static.ux5.de/https/Moving-Object-Detection-with-OpenCV/env/lib/python3.10/site-packages/pandas/tests/io/parser/test_header.pytest_read_with_bad_header   s   "r   c                 C   sN   | }d}t jtdd |jt|dd W d    d S 1 s w   Y  d S )N$1,2,3,4,5
6,7,8,9,10
11,12,13,14,15
zUPassing negative integer to header is invalid. For no header, use header=None insteadr
   r   r   r   r   r   r   r   r   datar   r   r   test_negative_header'   s   "r   r   )r         c                 C   sN   | }d}t jtdd |jt||d W d    d S 1 s w   Y  d S )Nz<1,2,3,4,5
        6,7,8,9,10
        11,12,13,14,15
        z8cannot specify multi-index header with negative integersr
   r   r   )r   r   r   r   r   r   r    test_negative_multi_index_header6   s   "r#   TFc                 C   sR   | }d}d}t jt|d |jt||d W d    d S 1 s"w   Y  d S )NzMyColumn
a
b
a
bz#Passing a bool to header is invalidr
   r   )r   r   	TypeErrorr   r   )r   r   r   r   r   r   r   r   test_bool_header_argD   s   "r%   c                 C   sZ   | }d}g d}|j t||d}tg dg dg dgg dg dd}t|| d S )	Nzfoo,1,2,3
bar,4,5,6
baz,7,8,9
ABCnames   r       )r!         )      	   )foobarbazindexcolumnsr   r   r   tmassert_frame_equal)r   r   r   r+   resultexpectedr   r   r   test_header_with_index_colS   s   r?   c                 C   sD   | }d}d}|j t|ddd}|j t|ddd}t|| d S )Nzggot,to,ignore,this,line
got,to,ignore,this,line
index,A,B,C,D
foo,2,3,4,5
bar,7,8,9,10
baz,12,13,14,15
z7index,A,B,C,D
foo,2,3,4,5
bar,7,8,9,10
baz,12,13,14,15
r    r   r   	index_colr   r   r;   r<   )r   r   r   data2r=   r>   r   r   r   test_header_not_first_linee   s   rD   c                    s   | }d}|j t|g dddgd}dd   fdd	td
D }tjdd	 td
D dd	 td
D gddgd}tjdd	 tdD dd	 tdD dd	 tdD dd	 tdD gg dd}t|||d}t|| d S )N  C0,,C_l0_g0,C_l0_g1,C_l0_g2

C1,,C_l1_g0,C_l1_g1,C_l1_g2
C2,,C_l2_g0,C_l2_g1,C_l2_g2
C3,,C_l3_g0,C_l3_g1,C_l3_g2
R0,R1,,,
R_l0_g0,R_l1_g0,R0C0,R0C1,R0C2
R_l0_g1,R_l1_g1,R1C0,R1C1,R1C2
R_l0_g2,R_l1_g2,R2C0,R2C1,R2C2
R_l0_g3,R_l1_g3,R3C0,R3C1,R3C2
R_l0_g4,R_l1_g4,R4C0,R4C1,R4C2
r   r-   r    r.   r   r-   r@   c                 S   s   d|  d| S )NRr)   r   )rcr   r   r   <lambda>   s    z)test_header_multi_index.<locals>.<lambda>c                    s$   g | ]  fd dt dD qS )c                    s   g | ]} |qS r   r   ).0rI   )
data_gen_frH   r   r   
<listcomp>       z6test_header_multi_index.<locals>.<listcomp>.<listcomp>r.   )range)rK   rL   )rH   r   rM      s   $ z+test_header_multi_index.<locals>.<listcomp>r/   c                 S      g | ]}d | qS )R_l0_gr   rK   ir   r   r   rM      rN   c                 S   rQ   )R_l1_gr   rS   r   r   r   rM      rN   R0R1r*   c                 S   rQ   )C_l0_gr   rS   r   r   r   rM      rN   r.   c                 S   rQ   )C_l1_gr   rS   r   r   r   rM      rN   c                 S   rQ   )C_l2_gr   rS   r   r   r   rM      rN   c                 S   rQ   )C_l3_gr   rS   r   r   r   rM      rN   )C0C1C2C3)r9   r8   )r   r   rO   r   from_arraysr   r;   r<   )r   r   r   r=   r8   r9   r>   r   rP   r   test_header_multi_indexy   s&   "	ra   z
kwargs,msgrA   r4   r5   zLindex_col must only contain row numbers when specifying a multi-index headerr-   )rA   r+   z9cannot specify names when specifying a multi-index header)rA   usecolsz;cannot specify usecols when specifying a multi-index headerc                 C   sZ   d}| }t jt|d |jt|fdg di| W d    d S 1 s&w   Y  d S )NrE   r
   r   rF   r   )r   kwargsr   r   r   r   r   r   test_header_multi_index_invalid   s
    "rd   
_TestTuplefirstsecondrc   r.   )aq)ri   rH   )ri   r   )bt)rI   u)rI   v)skiprowsr+   ri   rj   rH   r   rk   rl   rI   rm   rn   c                 C   Z   | }t g dg dgddgtg dd}d}|jt|fdd	i|}t|| d S )
Nr-   r    r.   r!   r/   r0   r1   r2   r3   r         onetworh   r7   zC,a,a,a,b,c,c
,q,r,s,t,u,v
,,,,,,
one,1,2,3,4,5,6
two,7,8,9,10,11,12rA   r   r   r   from_tuplesr   r   r;   r<   r   rc   r   r>   r   r=   r   r   r   &test_header_multi_index_common_format1   s   rz   r    c                 C   rp   )
Nrq   rr   ru   rv   rh   r7   z<,a,a,a,b,c,c
,q,r,s,t,u,v
one,1,2,3,4,5,6
two,7,8,9,10,11,12rA   r   rw   ry   r   r   r   &test_header_multi_index_common_format2   s   r{   c                 C   sf   | }t g dg dgddgtg dd}|jdd}d	}|jt|fd
d i|}t|| d S )Nrq   rr   ru   rv   rh   r7   T)drop2a,a,a,b,c,c
q,r,s,t,u,v
1,2,3,4,5,6
7,8,9,10,11,12rA   )r   r   rx   reset_indexr   r   r;   r<   ry   r   r   r   &test_header_multi_index_common_format3*  s   r   c                 C   s   | }t tjg dg dgddtddgtg dg dgg d	g d
gddgdd}d}|jt|ddgdd}t|| d S )Nr    r.   r!   r/   r0   r2   r3   r   rs   rt   int64dtyper-   r1   ri   rk   rI   rH   r   rl   rm   rn   r   r   r-   r    r    r   r-   r    r.   r!   ri   rj   levelscodesr+   r7   r}   r   r@   	r   nparrayr   r   r   r   r;   r<   r   r   r>   r   r=   r   r   r   0test_header_multi_index_common_format_malformed1Z  s   
	r   c                 C   s   | }t tjg dg dgddtddgtg dg dgg d	g d
gd dgdd}d}|jt|ddgdd}t|| d S )Nr   r   r   r   r-   r1   r   r   r   r   rj   r   r7   1,a,a,b,c,c
q,r,s,t,u,v
1,2,3,4,5,6
7,8,9,10,11,12r   r@   r   r   r   r   r   0test_header_multi_index_common_format_malformed2o  s   

r   c                 C   s   | }t tjg dg dgddtddgddggd	dgd	dggd
tg dg dgg dg dgd dgdd}d}|jt|d	dgd	dgd}t|| d S )N)r.   r!   r/   r0   )r3   r   rs   rt   r   r   r-   r1   r    r2   r   )r   r   r   )r   rl   rm   rn   )r   r-   r    r    rF   rj   r   r7   r   r@   )r   r   r   r   r   r   r;   r<   r   r   r   r   0test_header_multi_index_common_format_malformed3  s   "	r   c                 C   s^   | }d d gddgddgg}t ddg}t||d}d}|jt|d	dgd
}t|| d S )Nr-   r    r.   r!   )ri   r'   )rk   r(   r9   za,b
A,B
,
1,2
3,4r   r   )r   rx   r   r   r   r;   r<   )r   r   r   r9   r>   r=   r   r   r   "test_header_multi_index_blank_line  s   r   zdata,header)1,2,3
4,5,6N)zfoo,bar,baz
1,2,3
4,5,6r   c                 C   sl   | }|j dkr|d urtjjdd}|| |jtdg dd}|jt|g d|d}t|| d S )NpyarrowzDataFrame.columns are different)reasonr   r   r*   r+   r   )	enginer   markxfailapplymarkerr   r   r;   r<   )r   r   r   requestr   r   r>   r=   r   r   r   !test_header_names_backward_compat  s   
r   c                 C   s8   | }t g dd}|jtdfi |}t|| d S )Nr   r   za,b,cr   r   r   r;   r<   )r   rc   r   r>   r=   r   r   r   test_read_only_header_no_rows  s   r   zkwargs,namesr   r+   )r4   r5   r6   quuxpandac                 C   sP   | }d}t g dg dg dg|d}|jt|fdd i|}t|| d S )Nr   )r-   r    r.   r!   r/   )r0   r1   r2   r3   r   )rs   rt            r   r   r   )r   rc   r+   r   r   r>   r=   r   r   r   test_no_header  s   r   string_headerc                 C   sR   d}d}| }t jt|d |jt||d W d    d S 1 s"w   Y  d S )Nz*header must be integer or list of integersz1,2
3,4r
   r   r   )r   r   r   r   r   r   r   r   test_non_int_header  s   "r   c                 C   sH   d}| }t ddgddgddgd}|jt|dgd}t|| d S )Nza,b,c
0,1,2
1,2,3r   r-   r    r.   r   r   r   )r   r   r   r>   r=   r   r   r   test_singleton_header  s
   r   zdata,expectedz#A,A,A,B
one,one,one,two
0,40,34,0.1)r   (   "   皙?)r'   ru   r'   zone.1)r'   zone.2r(   rv   r   z%A,A,A,B
one,one,one.1,two
0,40,34,0.1)r   r   r'   zone.1.1r   z/A,A,A,B,B
one,one,one.1,two,two
0,40,34,0.1,0.1)r   r   r   r   r   )r   r   r   r   )r(   ztwo.1c                 C   s*   | }|j t|ddgd}t|| d S )Nr   r-   r   rB   )r   r   r>   r   r=   r   r   r   test_mangles_multi_index  s   )r   r9    Unnamed
NotUnnamedc                 C   s   | }ddg}|d u rd |pddgd }nd dg|pddg d }|jt|||d}g }|d u r8g d}t|D ]\}}	|	sPd	|d u rI|n|d  d
}	||	 q<tt|ddg}tddgddgg|d}
t	
||
 d S )Nr   r-   ,r   z
0,1
2,3
4,5
z
,0,1
0,2,3
1,4,5
r@   )r   r   r   z	Unnamed: _level_001r    r.   r!   r/   r   )joinr   r   	enumerateappendr   rx   zipr   r;   r<   )r   rA   r9   r   r   r   r=   exp_columnsrT   colr>   r   r   r   test_multi_index_unnamed  s    r   c                 C   sL   | }d}|j t|dg dd}tddgddgd	d
gd}t|| d S )Nza, b
1,2,3
5,6,4
r   r&   )r   r+   r-   r/   r    r0   r.   r!   r:   r   r   r   r=   r>   r   r   r   6test_names_longer_than_header_but_equal_with_data_rowsE  s
   r   c                 C   s   | }d}d}t g d}tg dg dg|d}|jt|ddgd	}t||jd d  |jt|ddgd	}t|| d S )
NzFMale, Male, Male, Female, Female
R, R, L, R, R
.86, .67, .88, .78, .81z^Male, Male, Male, Female, Female
R, R, L, R, R
.86, .67, .88, .78, .81
.86, .67, .88, .78, .82))MalerG   ) Male R)r   z L) Femaler   )r   z R.1)Q?q=
ףp?)\(?(\?gQ?)r   r   r   r   g=
ףp=?r   r   r-   r   )r   rx   r   r   r   r;   r<   iloc)r   r   s1s2mir>   df1df2r   r   r    test_read_csv_multiindex_columnsR  s   	r   c                 C   sR   | }d}t jtdd |jt|ddgd W d    d S 1 s"w   Y  d S )Nz1row11,row12,row13
row21,row22, row23
row31,row32
z1Header rows must have an equal number of columns.r
   r   r    r   r   r   r   r   r   )r   r   caser   r   r   'test_read_csv_multi_header_length_checkr  s   "r   c                 C   sT   | }d}|j t|ddgd d}tg ddtjtjgdg dd	}t|| d S )
Nzx,1,5
y,2
z,3
ri   rk   r   r,   r/   ri   rk   )xyz)r8   )r   r   r   r   nanr;   r<   r   r   r   r   #test_header_none_and_implicit_index  s   r   c                 C   sT   | }d}t jtdd |jt|ddgd d W d    d S 1 s#w   Y  d S )Nx,1
y,2,5
z,3
z"Expected 2 fields in line 2, saw 3r
   ri   rk   r   r   r   r   r   r   1test_header_none_and_implicit_index_in_second_row  s
   "r   c                 C   sH   | }d}|j t|ddgd dd}tddgdd	gd
}t|| d S )Nr   ri   rk   skip)r+   r   on_bad_linesr   r   r-   r.   r   r:   r   r   r   r   &test_header_none_and_on_bad_lines_skip  s   r   c                 C   sV   | }d}d}t jt|d |jt|g dd W d    d S 1 s$w   Y  d S )Nza,b
1,2
z;Passed header=\[0,1,2\], len of 3, but only 2 lines in filer
   )r   r-   r    r   r   )r   r   r   r   r   r   r   test_header_missing_rows  s   "r   c                 C   s<   | }d}|j t|dd}tdgddd}t|| d S )Nz1aa    bb(1,1)   cc(1,1)
                0  2  3.5z\s+)sepr   r    g      @)aazbb(1,1)zcc(1,1)r:   r   r   r   r    test_header_multiple_whitespaces  s
   r   c                 C   sn   | }d}d}t jt|dd |jt|dd}W d    n1 s"w   Y  tddd	gi}t || d S )
Nza,b
1,2
3,4
    z;The 'delim_whitespace' keyword in pd.read_csv is deprecatedF)r   check_stacklevelT)delim_whitespaceza,bz1,2z3,4)r;   assert_produces_warningFutureWarningr   r   r   r<   )r   r   r   depr_msgr=   r>   r   r   r   test_header_delim_whitespace  s   r   c                 C   sN   | }d}|j t|d ddgdddd}tddgd	d
ggdd}t|| d S )Nz
a,i,x
b,j,y
r   r-   zstring[pyarrow]r   )r   rb   r   dtype_backendr   ri   rT   rk   jr   r:   )pyarrow_parser_onlyr   r   r=   r>   r   r   r   test_usecols_no_header_pyarrow  s   r   ):__doc__collectionsr   ior   numpyr   r   pandas.errorsr   pandasr   r   r   pandas._testing_testingr;   r   filterwarnings
pytestmarkusefixturesxfail_pyarrowskip_pyarrowr   r   parametrizer#   r%   r?   rD   ra   rd   re   rz   r{   r   r   r   r   r   r   r   r   r   r   rx   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   <module>   sf   
	



%
	








	









&"







