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r? )rR r@ r� @ s r� c @ sr e Zd Zefdd�Zdd� Zdd� Zddd �Zdd d �Zdd d�Z d dd�Z dd� Z dd� Z dd� Z d dd�ZdS ) r0 c C sF |j � std��tj| |� |dkr,td��|| _| j� t� | _d S )Nz "raw" argument must be readable.r zinvalid buffer size) ra r, r� r� r" � buffer_size�_reset_read_buf�Lock� _read_lock)rD r; r� r? r? r@ r� � s zBufferedReader.__init__c C s | j j� S )N)r; ra )rD r? r? r@ ra � s zBufferedReader.readablec C s d| _ d| _d S )Nr� r )� _read_buf� _read_pos)rD r? r? r@ r� � s z BufferedReader._reset_read_bufNc C s4 |d k r|dk rt d��| j� | j|�S Q R X d S )Nr z invalid number of bytes to readr )r" r� �_read_unlocked)rD rm r? r? r@ rq � s zBufferedReader.readc C s� d}d}| j }| j}|d ks$|dkr�| j� t| jd�rj| jj� }|d krZ||d � pXd S ||d � | S ||d � g}d}x2| jj� }||kr�|}P |t|�7 }|j|� q~W dj |�p�|S t|�| } || kr�| j|7 _|||| � S ||d � g}t | j |�} xB| |k �rL| jj| �}||k�r2|}P | t|�7 } |j|� �q W t || �}dj |�} | |d � | _ d| _| �r�| d |� S |S )Nr� r r� r )r� Nr ) r� r� r� ro r; r� rq r! rz �joinr� r� rk ) rD rl Z nodata_valZ empty_valuesr� rV �chunkZchunksZ current_size�availZwanted�outr? r? r@ r� � sN z BufferedReader._read_unlockedr c C s | j � | j|�S Q R X d S )N)r� �_peek_unlocked)rD rm r? r? r@ rh s zBufferedReader.peekc C sr t || j�}t| j�| j }||k s,|dkrb| j| }| jj|�}|rb| j| jd � | | _d| _| j| jd � S )Nr )rk r� r! r� r� r; rq )rD rl ZwantZhaveZto_readZcurrentr? r? r@ r� ) s z BufferedReader._peek_unlockedc C sT |dk rt d��|dkr dS | j�( | jd� | jt|t| j�| j ��S Q R X d S )Nr z(number of bytes to read must be positiver� r )r" r� r� r� rk r! r� r� )rD rm r? r? r@ r� 4 s zBufferedReader.read1c C s t |t�st|�}|jdkr dS |jd�}d}| j�� x�|t|�k �r tt| j�| j t|��}|r�| j| j| j| � |||| �< | j|7 _||7 }|t|�kr�P t|�| | j kr�| j j ||d � �}|s�P ||7 }n|o�|s�| j d�s�P |r8|r8P q8W W d Q R X |S )Nr r� r ) r r� r� r� r� r! rk r� r� r� r; r� r� )rD r� r� �writtenr� rl r? r? r@ r� F s4 " zBufferedReader._readintoc C s t j| �t| j� | j S )N)r� rX r! r� r� )rD r? r? r@ rX t s zBufferedReader.tellc C sX |t krtd��| j�8 |dkr4|t| j�| j 8 }tj| ||�}| j� |S Q R X d S )Nzinvalid whence valuer ) �valid_seek_flagsr" r� r! r� r� r� rU r� )rD rV rW r? r? r@ rU w s zBufferedReader.seek)N)N)r )r )r )rH rI rJ r( r� ra r� rq r� rh r� r� r� rX rU r? r? r? r@ r0 � s 4 .r0 c @ sT e Zd Zefdd�Zdd� Zdd� Zddd �Zd d � Zd d � Z dd� Z ddd�Z dS )r/ c C sF |j � std��tj| |� |dkr,td��|| _t� | _t� | _ d S )Nz "raw" argument must be writable.r zinvalid buffer size) rc r, r� r� r" r� rp � _write_bufr� � _write_lock)rD r; r� r? r? r@ r� � s zBufferedWriter.__init__c C s | j j� S )N)r; rc )rD r? r? r@ rc � s zBufferedWriter.writablec C s� | j rtd��t|t�r td��| j�� t| j�| jkr@| j � t| j�}| jj |� t| j�| }t| j�| jkr�y | j � W nl t k r� } zPt| j�| jkr�t| j�| j }||8 }| jd | j� | _t |j |j |��W Y d d }~X nX |S Q R X d S )Nzwrite to closed filez can't write str to binary stream)re r" r r r r� r! r� r� �_flush_unlocked�extend�BlockingIOError�errno�strerror)rD r Zbeforer� �eZoverager? r? r@ r} � s( "zBufferedWriter.writeNc C s8 | j �( | j� |d kr"| jj� }| jj|�S Q R X d S )N)r� r� r; rX rY )rD rV r? r? r@ rY � s zBufferedWriter.truncatec C s | j � | j� W d Q R X d S )N)r� r� )rD r? r? r@ r[ � s zBufferedWriter.flushc C s� | j rtd��xz| jr�y| jj| j�}W n tk rD td��Y nX |d kr\ttjdd��|t | j�ksr|dk rzt d��| jd |�= qW d S )Nzflush of closed filezHself.raw should implement RawIOBase: it should not raise BlockingIOErrorz)write could not complete without blockingr z*write() returned incorrect number of bytes) re r" r� r; r} r� � RuntimeErrorr� ZEAGAINr! r, )rD rl r? r? r@ r� � s z BufferedWriter._flush_unlockedc C s t j| �t| j� S )N)r� rX r! r� )rD r? r? r@ rX � s zBufferedWriter.tellr c C s8 |t krtd��| j� | j� tj| ||�S Q R X d S )Nzinvalid whence value)r� r" r� r� r� rU )rD rV rW r? r? r@ rU � s zBufferedWriter.seek)N)r ) rH rI rJ r( r� rc r} rY r[ r� rX rU r? r? r? r@ r/ � s r/ c @ s� e Zd Zefdd�Zd dd�Zdd� Zdd � Zd d d �Zd d� Z dd� Z dd� Z dd� Z dd� Z dd� Zdd� Zedd � �ZdS ) �BufferedRWPairc C s< |j � std��|j� s td��t||�| _t||�| _d S )Nz#"reader" argument must be readable.z#"writer" argument must be writable.)ra r, rc r0 �readerr/ �writer)rD r� r� r� r? r? r@ r� � s zBufferedRWPair.__init__Nc C s |d kr d}| j j|�S )Nr r )r� rq )rD rm r? r? r@ rq � s zBufferedRWPair.readc C s | j j|�S )N)r� r� )rD r r? r? r@ r� � s zBufferedRWPair.readintoc C s | j j|�S )N)r� r} )rD r r? r? r@ r} s zBufferedRWPair.writer c C s | j j|�S )N)r� rh )rD rm r? r? r@ rh s zBufferedRWPair.peekc C s | j j|�S )N)r� r� )rD rm r? r? r@ r� s zBufferedRWPair.read1c C s | j j|�S )N)r� r� )rD r r? r? r@ r� s zBufferedRWPair.readinto1c C s | j j� S )N)r� ra )rD r? r? r@ ra s zBufferedRWPair.readablec C s | j j� S )N)r� rc )rD r? r? r@ rc s zBufferedRWPair.writablec C s | j j� S )N)r� r[ )rD r? r? r@ r[ s zBufferedRWPair.flushc C s z| j j� W d | jj� X d S )N)r� r3 r� )rD r? r? r@ r3 s zBufferedRWPair.closec C s | j j� p| jj� S )N)r� r' r� )rD r? r? r@ r' s zBufferedRWPair.isattyc C s | j jS )N)r� re )rD r? r? r@ re s zBufferedRWPair.closed)N)r )rH rI rJ r( r� rq r� r} rh r� r� ra rc r[ r3 r' r re r? r? r? r@ r� � s r� c @ sh e Zd Zefdd�Zddd�Zdd� Zdd d �Zdd d �Zd d� Z ddd�Z dd� Z dd� Z dd� Z dS )r. c C s( |j � tj| ||� tj| ||� d S )N)r` r0 r� r/ )rD r; r� r? r? r@ r� - s zBufferedRandom.__init__r c C s� |t krtd��| j� | jrJ| j� | jj| jt| j� d� W d Q R X | jj||�}| j� | j � W d Q R X |dk r�t d��|S )Nzinvalid whence valuer r z seek() returned invalid position) r� r" r[ r� r� r; rU r� r! r� r, )rD rV rW r? r? r@ rU 2 s $zBufferedRandom.seekc C s | j rtj| �S tj| �S d S )N)r� r/ rX r0 )rD r? r? r@ rX C s zBufferedRandom.tellNc C s |d kr| j � }tj| |�S )N)rX r/ rY )rD rV r? r? r@ rY I s zBufferedRandom.truncatec C s |d kr d}| j � tj| |�S )Nr r )r[ r0 rq )rD rm r? r? r@ rq O s zBufferedRandom.readc C s | j � tj| |�S )N)r[ r0 r� )rD r r? r? r@ r� U s zBufferedRandom.readintoc C s | j � tj| |�S )N)r[ r0 rh )rD rm r? r? r@ rh Y s zBufferedRandom.peekc C s | j � tj| |�S )N)r[ r0 r� )rD rm r? r? r@ r� ] s zBufferedRandom.read1c C s | j � tj| |�S )N)r[ r0 r� )rD r r? r? r@ r� a s zBufferedRandom.readinto1c C sF | j r:| j�( | jj| jt| j � d� | j� W d Q R X tj| |�S )Nr ) r� r� r; rU r� r! r� r/ r} )rD r r? r? r@ r} e s zBufferedRandom.write)r )N)N)r )rH rI rJ r( r� rU rX rY rq r� rh r� r� r} r? r? r? r@ r. $ s r. c s� e Zd Zd0ZdZdZdZdZdZdZ d1dd�Z dd � Z d d � Z d d � Z dd� Zd2dd�Zd3dd�Zdd� Zdd� Zdd� Zefdd�Zd d � Zd4d d �Z� fd d!�Zd"d#� Zd$d%� Zd&d'� Zd(d)� Z d*d+� Z e d,d-� �Z e d.d/� �Z � Z!S )5r& r FNTr c C s | j dkr*z| jr tj| j � W d d| _ X t|t�r<td��t|t�r\|}|dk r`td��nd}t|t �sxtd|f ��t |�t d�ks�td|f ��t dd� |D ��dks�|j d �dkr�td ��d |kr�d | _ d | _tjtjB }nVd |k� r�d | _d}n@d|k�rd | _tjtjB }n"d|k�r:d | _d | _tjtjB }d |k�rPd | _d | _| j�rl| j�rl|tjO }n | j�r�|tjO }n |tjO }|ttdd�O }ttdd��p�ttdd�}||O }d }�y|dk �r<|�s�td��|d k�r�tj||d�}n0|||�}t|t��std��|dk �r&td��|}|�s<tj|d� || _tj |�} y(t j | j ��rrt t!j"tj#t!j"�|��W n t$k �r� Y nX t| dd�| _%| j%dk�r�t&| _%t'�r�t'|tj(� || _)| j�r�tj*|dt+� W n" |d k �r�tj|� � Y nX || _ d S )Nr r z$integer argument expected, got floatznegative file descriptorzinvalid mode: %szxrwab+c s s | ]}|d kV qdS )ZrwaxNr? )�.0�cr? r? r@ � <genexpr>� s z"FileIO.__init__.<locals>.<genexpr>r zKMust have exactly one of create/read/write/append mode and at most one plusr Tr r r �O_BINARYZ O_NOINHERIT� O_CLOEXECz'Cannot use closefd=False with file namei� z expected integer from openerzNegative file descriptorFr+ r r ),�_fd�_closefdr r3 r �floatr r r" r r �sum�count�_created� _writable�O_EXCL�O_CREAT� _readable�O_TRUNC� _appending�O_APPEND�O_RDWR�O_RDONLY�O_WRONLY�getattrrA r, �set_inheritabler) �stat�S_ISDIR�st_mode�IsADirectoryErrorr� ZEISDIRr� r- �_blksizer( �_setmoder� rS �lseekr ) rD r4 r2 r9 r �fd�flagsZnoinherit_flagZowned_fdZfdfstatr? r? r@ r� w s� $ zFileIO.__init__c C sD | j dkr@| jr@| j r@dd l}|jd| f td| d� | j� d S )Nr zunclosed file %rr )� stacklevel�source)r� r� re r# r$ �ResourceWarningr3 )rD r# r? r? r@ r] � s zFileIO.__del__c C s t d| jj��d S )Nz cannot serialize '%s' object)r rR rH )rD r? r? r@ r� � s zFileIO.__getstate__c C sl d| j j| j jf }| jr"d| S y | j}W n& tk rR d|| j| j| jf S X d||| j| jf S d S )Nz%s.%sz <%s [closed]>z <%s fd=%d mode=%r closefd=%r>z <%s name=%r mode=%r closefd=%r>) rR rI rJ re rS r- r� r2 r� )rD � class_namerS r? r? r@ r� � s zFileIO.__repr__c C s | j std��d S )NzFile not open for reading)r� rP )rD r? r? r@ rb s zFileIO._checkReadablec C s | j std��d S )NzFile not open for writing)r� rP )rD r_ r? r? r@ rd s zFileIO._checkWritablec C sP | j � | j� |d ks |dk r(| j� S ytj| j|�S tk rJ d S X d S )Nr )rZ rb r� r rq r� r� )rD rm r? r? r@ rq s z FileIO.readc C s� | j � | j� t}y6tj| jdt�}tj| j�j}||krH|| d }W n t k r^ Y nX t � }xnt |�|kr�t |�}|t |t�7 }|t |� }ytj | j|�}W n tk r� |r�P d S X |s�P ||7 }qhW t|�S )Nr r )rZ rb r( r r� r� r r) �st_sizer, rp r! r� rq r� r )rD �bufsizerV �endr< rl r� r? r? r@ r� s4 zFileIO.readallc C s4 t |�jd�}| jt|��}t|�}||d |�< |S )Nr� )r� r� rq r! )rD r �mr� rl r? r? r@ r� ? s zFileIO.readintoc C s8 | j � | j� ytj| j|�S tk r2 d S X d S )N)rZ rd r r} r� r� )rD r r? r? r@ r} G s z FileIO.writec C s* t |t�rtd��| j� tj| j||�S )Nzan integer is required)r r� r rZ r r� r� )rD rV rW r? r? r@ rU U s z FileIO.seekc C s | j � tj| jdt�S )Nr )rZ r r� r� r )rD r? r? r@ rX e s z FileIO.tellc C s2 | j � | j� |d kr | j� }tj| j|� |S )N)rZ rd rX r � ftruncater� )rD rm r? r? r@ rY l s zFileIO.truncatec s. | j s*z| jrtj| j� W d t� j� X d S )N)re r� r r3 r� r� )rD )rR r? r@ r3 y s z FileIO.closec C sF | j � | jd kr@y | j� W n tk r8 d| _Y nX d| _| jS )NFT)rZ � _seekablerX r, )rD r? r? r@ r^ � s zFileIO.seekablec C s | j � | jS )N)rZ r� )rD r? r? r@ ra � s zFileIO.readablec C s | j � | jS )N)rZ r� )rD r? r? r@ rc � s zFileIO.writablec C s | j � | jS )N)rZ r� )rD r? r? r@ r* � s z FileIO.filenoc C s | j � tj| j�S )N)rZ r r' r� )rD r? r? r@ r' � s z FileIO.isattyc C s | j S )N)r� )rD r? r? r@ r9 � s zFileIO.closefdc C sJ | j r| jrdS dS n0| jr,| jr&dS dS n| jrB| jr<dS dS ndS d S )Nzxb+Zxbzab+Zabzrb+�rb�wb)r� r� r� r� )rD r? r? r@ r2 � s z FileIO.moder )r TN)N)N)N)"rH rI rJ r� r� r� r� r� r� r� r� r] r� r� rb rd rq r� r� r} r rU rX rY r3 r^ ra rc r* r' r r9 r2 r� r? r? )rR r@ r& n s8 u # r& c @ s\ e Zd Zddd�Zdd� Zddd�Zd d � Zd d � Zed d� �Z edd� �Z edd� �Z dS )� TextIOBaser c C s | j d� d S )Nrq )rT )rD rm r? r? r@ rq � s zTextIOBase.readc C s | j d� d S )Nr} )rT )rD �sr? r? r@ r} � s zTextIOBase.writeNc C s | j d� d S )NrY )rT )rD rV r? r? r@ rY � s zTextIOBase.truncatec C s | j d� d S )Nrt )rT )rD r? r? r@ rt � s zTextIOBase.readlinec C s | j d� d S )Nr� )rT )rD r? r? r@ r� � s zTextIOBase.detachc C s d S )Nr? )rD r? r? r@ r6 � s zTextIOBase.encodingc C s d S )Nr? )rD r? r? r@ �newlines� s zTextIOBase.newlinesc C s d S )Nr? )rD r? r? r@ r7 � s zTextIOBase.errorsr )r )N) rH rI rJ rq r} rY rt r� r r6 r� r7 r? r? r? r@ r� � s r� c @ sP e Zd Zddd�Zddd�Zdd� Zd d � Zd d � Zd ZdZ dZ e dd� �Z dS )�IncrementalNewlineDecoder�strictc C s, t jj| |d� || _|| _d| _d| _d S )N)r7 r F)�codecs�IncrementalDecoderr� � translate�decoder�seennl� pendingcr)rD r� r� r7 r? r? r@ r� s z"IncrementalNewlineDecoder.__init__Fc C s� | j d kr|}n| j j||d�}| jr<|s.|r<d| }d| _|jd�r^| r^|d d� }d| _|jd�}|jd�| }|jd�| }| j|o�| j|o�| jB |o�| jB O _| j r�|r�|j dd�}|r�|j dd�}|S ) N)�final� Fr Tz � r ) r� �decoder� rr r� r� �_LF�_CR�_CRLFr� �replace)rD �inputr� �outputZcrlfZcrZlfr? r? r@ r� s( " z IncrementalNewlineDecoder.decodec C s@ | j d krd}d}n| j j� \}}|dK }| jr8|dO }||fS )Nr� r r )r� �getstater� )rD r� �flagr? r? r@ r 2 s z"IncrementalNewlineDecoder.getstatec C s8 |\}}t |d@ �| _| jd k r4| jj||d? f� d S )Nr )�boolr� r� �setstate)rD �stater� r r? r? r@ r = s z"IncrementalNewlineDecoder.setstatec C s$ d| _ d| _| jd k r | jj� d S )Nr F)r� r� r� �reset)rD r? r? r@ r C s z IncrementalNewlineDecoder.resetr r � c C s d| j S ) Nr� r� � �r� r� �r� r �r� r �r� r� r )Nr� r� r r r r r )r� )rD r? r? r@ r� M s z"IncrementalNewlineDecoder.newlinesN)r� )F) rH rI rJ r� r� r r r r� r� r� r r� r? r? r? r@ r� s r� c @ s: e Zd ZdZdEdd�Zdd� Zedd � �Zed d � �Zed d � �Z edd� �Z dd� Z dd� Z dd� Z dd� Zdd� Zedd� �Zed d � �Zd d � Zd d!� Zd"d#� Zd$d%� Zd&d'� Zd(d)� ZdFd*d+�Zd,d-� Zd.d/� ZdGd1d2�Zd3d4� Z d5d6� Z dHd7d8�Z d9d:� Z dId;d<�Z dJd=d>�Z!d?d@� Z"dKdAdB�Z#edCdD� �Z$dS )Lr1 i NFc C s� |d k r&t |t� r&tdt|�f ��|dkr<td|f ��|d kr�ytj|j� �}W n tt fk rn Y nX |d kr�y dd l }W n t k r� d}Y n X |j d �}t |t�s�td | ��t j|�js�d }t|| ��|d kr�d }nt |t��s td | ��|| _|| _|| _|| _| | _|d k| _|| _|dk| _|�pDtj| _d | _d | _ d| _ d| _ d | _ | j j!� | _"| _#t$| j d�| _%d| _&| j"�r�| j'� �r�| j j(� } | dk�r�y| j)� j*d� W n tk �r� Y nX d S )Nzillegal newline type: %rr r� r� � zillegal newline value: %rr �asciiFzinvalid encoding: %rzG%r is not a text encoding; use codecs.open() to handle arbitrary codecsr� zinvalid errors: %rr� g )Nr r� r� r )+r r r �typer" r �device_encodingr* r- rP �locale� ImportError�getpreferredencodingr� �lookup�_is_text_encoding� LookupErrorr� �_line_buffering� _encoding�_errors�_readuniversal�_readtranslate�_readnl�_writetranslate�linesep�_writenl�_encoder�_decoder�_decoded_chars�_decoded_chars_used� _snapshotr> r^ r� �_tellingro � _has_read1� _b2cratiorc rX � _get_encoderr ) rD r> r6 r7 r8 r= � write_throughr r_ �positionr? r? r@ r� w s` zTextIOWrapper.__init__c C s� dj | jj| jj�}y | j}W n tk r2 Y nX |dj |�7 }y | j}W n tk r` Y nX |dj |�7 }|dj | j� S )Nz<{}.{}z name={0!r}z mode={0!r}z encoding={0!r}>)r� rR rI rJ rS r� r2 r6 )rD r< rS r2 r? r? r@ r� � s zTextIOWrapper.__repr__c C s | j S )N)r )rD r? r? r@ r6 � s zTextIOWrapper.encodingc C s | j S )N)r )rD r? r? r@ r7 � s zTextIOWrapper.errorsc C s | j S )N)r )rD r? r? r@ r= � s z TextIOWrapper.line_bufferingc C s | j S )N)r� )rD r? r? r@ r> � s zTextIOWrapper.bufferc C s | j rtd��| jS )Nz I/O operation on closed file.)re r" r� )rD r? r? r@ r^ � s zTextIOWrapper.seekablec C s | j j� S )N)r> ra )rD r? r? r@ ra � s zTextIOWrapper.readablec C s | j j� S )N)r> rc )rD r? r? r@ rc � s zTextIOWrapper.writablec C s | j j� | j| _d S )N)r> r[ r� r% )rD r? r? r@ r[ � s zTextIOWrapper.flushc C s0 | j d k r,| j r,z | j� W d | j j� X d S )N)r> re r[ r3 )rD r? r? r@ r3 � s zTextIOWrapper.closec C s | j jS )N)r> re )rD r? r? r@ re � s zTextIOWrapper.closedc C s | j jS )N)r> rS )rD r? r? r@ rS � s zTextIOWrapper.namec C s | j j� S )N)r> r* )rD r? r? r@ r* � s zTextIOWrapper.filenoc C s | j j� S )N)r> r' )rD r? r? r@ r' � s zTextIOWrapper.isattyc C s� | j rtd��t|t�s(td|jj ��t|�}| js<| j oBd|k}|rf| jrf| j dkrf|j d| j �}| j pr| j � }|j|�}| jj|� | j r�|s�d|kr�| j� | jd� d | _| jr�| jj� |S )Nzwrite to closed filez can't write %s to text streamr� r� r )re r" r r r rR rH r! r r r r� r r( �encoder> r} r[ �_set_decoded_charsr$ r! r )rD r� ZlengthZhaslf�encoderr r? r? r@ r} s& zTextIOWrapper.writec C s t j| j�}|| j�| _| jS )N)r� �getincrementalencoderr r r )rD Z make_encoderr? r? r@ r( s zTextIOWrapper._get_encoderc C s2 t j| j�}|| j�}| jr(t|| j�}|| _|S )N)r� �getincrementaldecoderr r r r� r r! )rD Z make_decoderr� r? r? r@ � _get_decoder s zTextIOWrapper._get_decoderc C s || _ d| _d S )Nr )r" r# )rD �charsr? r? r@ r, ) s z TextIOWrapper._set_decoded_charsc C sF | j }|d kr | j|d � }n| j||| � }| j t|�7 _ |S )N)r# r" r! )rD rl �offsetr1 r? r? r@ �_get_decoded_chars. s z TextIOWrapper._get_decoded_charsc C s$ | j |k rtd��| j |8 _ d S )Nz"rewind decoded_chars out of bounds)r# �AssertionError)rD rl r? r? r@ �_rewind_decoded_chars8 s z#TextIOWrapper._rewind_decoded_charsc C s� | j d krtd��| jr&| j j� \}}| jr<| jj| j�}n| jj| j�}| }| j j ||�}| j |� |r�t |�t | j � | _ nd| _ | jr�||| f| _| S )Nz no decoderg )r! r" r% r r& r> r� � _CHUNK_SIZErq r� r, r! r" r' r$ )rD � dec_buffer� dec_flags� input_chunk�eofZ decoded_charsr? r? r@ � _read_chunk> s zTextIOWrapper._read_chunkr c C s( ||d> B |d> B |d> B t |�d> B S )N�@ � � � )r )rD r* r8 � bytes_to_feed�need_eof� chars_to_skipr? r? r@ � _pack_cookieh s zTextIOWrapper._pack_cookiec C sF t |d�\}}t |d�\}}t |d�\}}t |d�\}}|||||fS )Nr r< l l l l )�divmod)rD Zbigint�restr* r8 r@ rA rB r? r? r@ �_unpack_cookier s z TextIOWrapper._unpack_cookiec C s> | j std��| js td��| j� | jj� }| j}|d ksF| jd krX| j rTt d��|S | j\}}|t |�8 }| j }|dkr�| j ||�S |j� }�z�t| j| �}d}x�|dk�r$|jd|f� t |j|d |� ��} | |k�r|j� \} } | �s | }|| 8 }P |t | �8 }d}q�||8 }|d }q�W d}|jd|f� || } |} |dk�rZ| j | | �S d}d}d}x�t|t |��D ]v}|d7 }|t |j|||d � ��7 }|j� \}}| �r�||k�r�| |7 } ||8 }|dd } }}||k�rvP �qvW |t |jddd ��7 }d}||k �r td ��| j | | |||�S |j|� X d S ) Nz!underlying stream is not seekablez(telling position disabled by next() callzpending decoded textr r r� r T)r� z'can't reconstruct logical file position)r� rP r% r, r[ r> rX r! r$ r" r4 r! r# rC r r r' r r� �range)rD r* r� r8 Z next_inputrB Z saved_stateZ skip_bytesZ skip_backrl r �d� start_posZ start_flagsZ bytes_fedrA Z chars_decoded�ir7 r? r? r@ rX y sv zTextIOWrapper.tellc C s$ | j � |d kr| j� }| jj|�S )N)r[ rX r> rY )rD rV r? r? r@ rY � s zTextIOWrapper.truncatec C s* | j d krtd��| j� | j}d | _|S )Nzbuffer is already detached)r> r" r[ r� )rD r> r? r? r@ r� � s zTextIOWrapper.detachc s� � fdd�}� j rtd��� js(td��|dkrL|dkr@td��d}� j� }|dkr�|dkrdtd ��� j� � jjdd�}� jd � d � _ � j r�� j j � ||� |S |dkr�td |f ��|dk r�td |f ��� j� � j |�\}}}}} � jj|� � jd � d � _ |dk�r(� j �r(� j j � n@� j �s<|�s<| �rh� j �pJ� j � � _ � j jd |f� |d f� _ | �r�� jj|�} � j� j j| |�� || f� _ t� j�| k �r�td��| � _||� |S )Nc sH y� j p� j� }W n tk r& Y n X | dkr<|jd� n|j� d S )Nr )r r( r r r )r* r- )rD r? r@ �_reset_encoder� s z*TextIOWrapper.seek.<locals>._reset_encoderztell on closed filez!underlying stream is not seekabler r z#can't do nonzero cur-relative seeksr z#can't do nonzero end-relative seeksr zunsupported whence (%r)znegative seek position %rr� z#can't restore logical file position)re r" r� rP rX r[ r> rU r, r$ r! r rF r0 r rq r� r! r" r, r# ) rD ZcookierW rK r* rI r8 r@ rA rB r9 r? )rD r@ rU � s\ zTextIOWrapper.seekc C s� | j � |d krd}| jp | j� }y |j W n, tk rX } ztd�|�W Y d d }~X nX |dk r�| j� |j| jj � dd� }| j d� d | _ |S d}| j|�}x6t |�|k r�| r�| j � }|| j|t |� �7 }q�W |S d S ) Nr zan integer is requiredr T)r� r Fr )rb r! r0 r� r- r r3 r� r> rq r, r$ r! r; )rD rm r� r� r< r: r? r? r@ rq 5 s( zTextIOWrapper.readc C s( d| _ | j� }|s$d | _| j| _ t�|S )NF)r% rt r$ r� rv )rD rw r? r? r@ rx N s zTextIOWrapper.__next__c C s� | j rtd��|d kr d }nt|t�s.td��| j� }d}| jsH| j� d }}�xR| jr�|j d|�}|dkrz|d }P nt |�}n�| j �r|j d|�}|j d|�}|d kr�|d kr�t |�}n |d }P nL|d kr�|d }P n8||k r�|d }P n$||d k�r |d }P n |d }P n&|j | j �}|dk�r>|t | j � }P |dk�r\t |�|k�r\|}P x| j � �rv| j�r^P �q^W | j�r�|| j� 7 }qT| jd� d | _|S qTW |dk�r�||k�r�|}| jt |�| � |d |� S ) Nzread from closed filer zsize must be an integerr r� r� r r r r r r )re r" r r r r3 r! r0 r rj r! r r r; r" r, r$ r5 )rD rm rw �startrV �endposZnlposZcrposr? r? r@ rt W sp zTextIOWrapper.readlinec C s | j r| j jS d S )N)r! r� )rD r? r? r@ r� � s zTextIOWrapper.newlines)NNNFF)N)r r r r )N)r )N)N)%rH rI rJ r6 r� r� r r6 r7 r= r> r^ ra rc r[ r3 re rS r* r' r} r( r0 r, r3 r5 r; rC rF rX rY r� rU rq rx rt r� r? r? r? r@ r1 Z sF E * c K Xr1 c sN e Zd Zd� fdd� Zdd� Zdd� Zed d � �Zed d � �Zd d� Z � Z S )�StringIOr r� c sf t t| �jt� dd|d� |d kr(d| _|d k rbt|t�sNtdjt |�j ���| j |� | j d� d S )Nzutf-8� surrogatepass)r6 r7 r8 Fz*initial_value must be str or None, not {0}r ) r� rN r� r� r r r r r� r rH r} rU )rD Z initial_valuer8 )rR r? r@ r� � s zStringIO.__init__c C sL | j � | jp| j� }|j� }|j� z|j| jj� dd�S |j|� X d S )NT)r� ) r[ r! r0 r r r� r> r� r )rD r� Z old_stater? r? r@ r� � s zStringIO.getvaluec C s t j| �S )N)�objectr� )rD r? r? r@ r� � s zStringIO.__repr__c C s d S )Nr? )rD r? r? r@ r7 � s zStringIO.errorsc C s d S )Nr? )rD r? r? r@ r6 � s zStringIO.encodingc C s | j d� d S )Nr� )rT )rD r? r? r@ r� � s zStringIO.detach)r r� ) rH rI rJ r� r� r� r r7 r6 r� r� r? r? )rR r@ rN � s rN > r r i r )r r NNNTN)4r �abcr� r� r� �sys�_threadr r� r Z _dummy_thread�platformZmsvcrtr r� �ior r r r r� ro �addr � SEEK_DATAr( r� rA rB rK rP r- r, r" �ABCMetarQ �registerr� �_ior& r� r� r� r0 r/ r� r. r� r� r� r1 rN r? 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