File: //lib64/python3.8/__pycache__/csv.cpython-38.opt-2.pyc
U
e5d? @ s< d dl Z d dlmZmZmZmZmZmZmZm Z m
Z
m Z m Z m
Z
mZmZ d dlmZ d dlmZ ddddd d
d d d
ddddddddddddgZG dd
d
ZG dd d eZed e G d d
d
eZed e G d d deZed e G d d dZG d!d dZze W n ek
r( e ZY nX G d"d dZ dS )# N)Error __version__writerreaderregister_dialectunregister_dialect get_dialect
list_dialectsfield_size_limit
QUOTE_MINIMAL QUOTE_ALLQUOTE_NONNUMERIC
QUOTE_NONE__doc__)Dialect)StringIOr r r
r r r r excel excel_tabr
r r r r r Snifferr r
DictReader
DictWriter unix_dialectc @ s@ e Zd ZdZdZdZdZdZdZdZ dZ
dZ dd Z dd Z
dS )r FNc C s | j tkrd| _| d S )NT) __class__r _valid _validateself r /usr/lib64/python3.8/csv.py__init__* s
zDialect.__init__c
C s@ z t | W n. tk
r: } ztt|W 5 d }~X Y nX d S N)_Dialect TypeErrorr str)r er r r r / s zDialect._validate)__name__
__module__ __qualname___namer delimiter quotecharZ
escapechar doublequoteskipinitialspacelineterminatorquotingr r r r r r r s c @ s$ e Zd ZdZdZdZdZdZeZ dS )r ,"TF
N)
r& r' r( r* r+ r, r- r. r r/ r r r r r 6 s c @ s e Zd ZdZdS )r N)r& r' r( r* r r r r r @ s z excel-tabc @ s$ e Zd ZdZdZdZdZdZeZ dS )r r0 r1 TF
N)
r& r' r( r* r+ r, r- r. r r/ r r r r r E s Zunixc @ s@ e Zd Zd ddZdd Zedd Zejd d Zd
d ZdS )
r Nr c O s6 || _ || _|| _t||f||| _|| _d| _d S Nr ) _fieldnamesrestkeyrestvalr dialectline_num)r f
fieldnamesr7 r8 r9 argskwdsr r r r Q s zDictReader.__init__c C s | S r! r r r r r __iter__Z s zDictReader.__iter__c C s@ | j d kr0zt| j| _ W n tk
r. Y nX | jj| _| j S r! )r6 nextr
StopIterationr: r r r r r< ] s
zDictReader.fieldnamesc C s
|| _ d S r! )r6 )r valuer r r r< g s c C s | j dkr| j t| j}| jj | _ |g kr8t| j}q$tt| j|}t| j}t|}||k rv||d || j< n&||kr| j|d D ]}| j||< q|S r5 ) r: r< r@ r dictziplenr7 r8 )r rowdZlfZlrkeyr r r __next__k s
zDictReader.__next__)NNNr ) r& r' r( r r? propertyr< setterrI r r r r r P s
c @ s6 e Zd ZdddZdd Zdd Zd
d Zd d
ZdS )r r raiser c O sB || _ || _| dkr$td| || _t||f||| _d S )N)rL ignorez-extrasaction (%s) must be 'raise' or 'ignore')r< r8 lower
ValueError extrasactionr )r r; r< r8 rP r9 r= r> r r r r s zDictWriter.__init__c C s t t| j| j}| |S r! )rC rD r< writerow)r headerr r r writeheader s zDictWriter.writeheaderc sN j dkr8 j }|r8tdddd |D fddjD S )NrL z(dict contains fields not in fieldnames: z, c S s g | ] }t |qS r )repr).0xr r r
<listcomp> s z,DictWriter._dict_to_list.<locals>.<listcomp>c 3 s | ]} |jV qd S r! )getr8 )rU rH rowdictr r r <genexpr> s z+DictWriter._dict_to_list.<locals>.<genexpr>)rP keysr< rO join)r rZ Z wrong_fieldsr rY r
_dict_to_list s
zDictWriter._dict_to_listc C s | j | |S r! )r rQ r^ )r rZ r r r rQ s zDictWriter.writerowc C s | j t| j|S r! )r writerowsmapr^ )r Zrowdictsr r r r_ s zDictWriter.writerowsN)r rL r )r& r' r( r rS r^ rQ r_ r r r r r s
c @ s6 e Zd Zdd Zd ddZdd Zdd Zd
d ZdS )
r c C s dddddg| _ d S )Nr0 r3 ; :) preferredr r r r r s zSniffer.__init__Nc C sd | ||\}}}}|s(| ||\}}|s4tdG dd dt}||_||_|pVd|_||_|S )Nz Could not determine delimiterc @ s e Zd ZdZdZeZdS )z Sniffer.sniff.<locals>.dialectZsniffedr2 N)r& r' r( r) r. r r/ r r r r r9 s r9 r1 )_guess_quote_and_delimiter_guess_delimiterr r r, r* r+ r- )r sample
delimitersr+ r, r* r- r9 r r r sniff s
z
Sniffer.sniffc C s g }dD ]*}t |t jt jB }||}|r q4q|s<dS i }i }d}|j} |D ]}
| d d } |
| } | r|| dd || < z| d d } |
| } W n tk
r Y qRY nX | r|d ks| |kr|| dd || < z| d d } W n tk
r Y qRY nX |
| rR|d7 }qRt||jd}
|rXt||jd}|| |k}|d kr`d
}nd
}d}t d t ||
d t j}|
|rd
}nd}|
|||fS )N)zI(?P<delim>[^\w\n"\'])(?P<space> ?)(?P<quote>["\']).*?(?P=quote)(?P=delim)zG(?:^|\n)(?P<quote>["\']).*?(?P=quote)(?P<delim>[^\w\n"\'])(?P<space> ?)zG(?P<delim>[^\w\n"\'])(?P<space> ?)(?P<quote>["\']).*?(?P=quote)(?:$|\n)z-(?:^|\n)(?P<quote>["\']).*?(?P=quote)(?:$|\n))r FNr r quote delimZspacerH r4 r z]((%(delim)s)|^)\W*%(quote)s[^%(delim)s\n]*%(quote)s[^%(delim)s\n]*%(quote)s\W*((%(delim)s)|$))rl rj TF) recompileDOTALL MULTILINEfindall
groupindexrX KeyErrormaxescapesearch)r datarh ZmatchesZrestrZregexpZquotesdelimsZspacesrs mnrH r+ rl r- Z dq_regexpr, r r r re s`
z"Sniffer._guess_quote_and_delimiterc C s t td |d}dd tdD }tdt|}d}i }i }i }d| } }
| t|k rR|d7 }|| |
D ]@} |D ]6} || i }
| | }|
|dd |
|< |
|| < qxqp| D ]} t || }t|dkr|d d dkrqt|dkrLt
|dd d
|| < | || || d || d t d d |D f|| < q|d || < q| }t
t|| t|}d
}d}t|dkr||kr|D ]T\}}|d dkr|d dkr|d | |kr|d ks||kr|||< q|d8 }qt|dkrDt | d }|d ||d d| k}||fS |
} |
|7 }
qN|s\dS t|dkr| jD ]@}|| krp|d ||d d| k}||f S qpdd | D }| |d d }|d ||d d| k}||fS )Nr4 c S s g | ] }t |qS r )chr)rU cr r r rW - s z,Sniffer._guess_delimiter.<locals>.<listcomp>
r rk c S s | d S )Nrk r )rV r r r <lambda>G z*Sniffer._guess_delimiter.<locals>.<lambda>rm c s s | ]}|d V qdS )rk Nr )rU itemr r r r[ L s z+Sniffer._guess_delimiter.<locals>.<genexpr>g ?g?g{Gz?z%c )r r c S s g | ]\}}||fqS r r )rU kvr r r rW v s )listfiltersplitrangeminrE rX countr\ itemsru removesumfloatrd sort)r rx rh asciiZ chunkLengthZ iterationZ
charFrequencyZmodesry startendlinecharZ
metaFrequencyZfreqr ZmodeListZtotalZ consistencyZ thresholdr r rl r- rG r r r rf s
zSniffer._guess_delimiterc
C s t t|| |}t|}t|}i }t|D ] }d ||< q0d}|D ]}|dkrV q|d7 }t||krlqFt| D ]x} tt t
fD ]4}
z|
|| W qW q t t fk
r Y qX qt|| }
|
|| krx|| d kr|
|| < qx|| = qxqFd} |
D ]~\} } t| tdkr@t|| | kr6| d7 } n| d8 } n<z| || W n" t tfk
rr | d7 } Y n
X | d8 } q | dkS )Nr rk )r r ri r@ rE r r r\ intr complexrO
OverflowErrorr typer# )
r rg ZrdrrR columnsZ columnTypesicheckedrF colZthisTypeZ hasHeaderZcolTyper r r
has_header sJ
zSniffer.has_header)N)r& r' r( r ri re rf r r r r r r s
Lg) rn Z_csvr r r r r r r r r
r r r
r r r r" ior __all__r r r r r r NameErrorr r r r r r <module> sH @
2