o
    RhR                     @   s$  U d dl Z d dlZd dlZd dlmZmZmZmZmZm	Z	m
Z
mZmZ ddlmZ ddlmZmZmZmZmZ ddlmZ dZedZG d	d
 d
eZG dd dee ZG dd dZG dd dZG dd deZG dd deZe Z ee e!d< G dd dee Z"G dd de"e Z#dS )    N)		AwaitableCallableDequeFinalGenericListOptionalTupleTypeVar   )BaseProtocol)_EXC_SENTINELBaseTimerContext	TimerNoopset_exception
set_result)internal_logger)EMPTY_PAYLOAD	EofStreamStreamReader	DataQueueFlowControlDataQueue_Tc                   @   s   e Zd ZdZdS )r   zeof stream indication.N)__name__
__module____qualname____doc__ r   r   Q/home/air/sanwanet/backup_V2/venv/lib/python3.10/site-packages/aiohttp/streams.pyr   %   s    r   c                   @   sB   e Zd Zdeg ee f ddfddZdddZdefd	d
ZdS )AsyncStreamIterator	read_funcreturnNc                 C   
   || _ d S N)r    )selfr    r   r   r   __init__*      
zAsyncStreamIterator.__init__AsyncStreamIterator[_T]c                 C      | S r#   r   r$   r   r   r   	__aiter__-      zAsyncStreamIterator.__aiter__c                    s8   z	|   I d H }W n	 ty   tw |dkrt|S N    )r    r   StopAsyncIterationr$   rvr   r   r   	__anext__0   s   zAsyncStreamIterator.__anext__)r!   r'   )	r   r   r   r   r   r   r%   r*   r1   r   r   r   r   r   )   s    
r   c                   @   s6   e Zd ZdddZdddZdeeef fd	d
ZdS )ChunkTupleAsyncStreamIteratorstreamr   r!   Nc                 C   r"   r#   )_stream)r$   r3   r   r   r   r%   ;   r&   z&ChunkTupleAsyncStreamIterator.__init__c                 C   r(   r#   r   r)   r   r   r   r*   >   r+   z'ChunkTupleAsyncStreamIterator.__aiter__c                    s"   | j  I d H }|dkrt|S )Nr-   F)r4   	readchunkr.   r/   r   r   r   r1   A   s
   z'ChunkTupleAsyncStreamIterator.__anext__)r3   r   r!   N)r!   r2   )	r   r   r   r%   r*   r	   bytesboolr1   r   r   r   r   r2   :   s    

r2   c                   @   sT   e Zd Zdee fddZdedee fddZdee fddZde	fd	d
Z
dS )AsyncStreamReaderMixinr!   c                 C   
   t | jS r#   )r   readliner)   r   r   r   r*   I   r&   z AsyncStreamReaderMixin.__aiter__nc                    s   t  fddS )z>Returns an asynchronous iterator that yields chunks of size n.c                      s
     S r#   )readr   r<   r$   r   r   <lambda>N   s   
 z5AsyncStreamReaderMixin.iter_chunked.<locals>.<lambda>)r   r$   r<   r   r>   r   iter_chunkedL   s   z#AsyncStreamReaderMixin.iter_chunkedc                 C   r:   )z3Yield all available data as soon as it is received.)r   readanyr)   r   r   r   iter_anyP   s   
zAsyncStreamReaderMixin.iter_anyc                 C   s   t | S )zYield chunks of data as they are received by the server.

        The yielded objects are tuples
        of (bytes, bool) as returned by the StreamReader.readchunk method.
        )r2   r)   r   r   r   iter_chunksT   s   z"AsyncStreamReaderMixin.iter_chunksN)r   r   r   r   r7   r*   intrA   rC   r2   rD   r   r   r   r   r9   H   s
    r9   c                   @   s  e Zd ZdZdZddddededee dee	j
 d	df
d
dZd	efddZd	eeef fddZd	ee fddZefdeded	dfddZdeg df d	dfddZdDddZd	efddZd	efddZdDdd Zd!ed	dfd"d#ZdEd!ed$ed	dfd%d&ZdDd'd(ZdDd)d*Zd+ed	dfd,d-Z d	efd.d/Z!dFd1ed	efd2d3Z"dGd5ed	efd6d7Z#d	efd8d9Z$d	eeef fd:d;Z%d5ed	efd<d=Z&dGd5ed	efd>d?Z'd5ed	efd@dAZ(d5ed	efdBdCZ)dS )Hr   a*  An enhancement of asyncio.StreamReader.

    Supports asynchronous iteration by line, chunk or as available::

        async for line in reader:
            ...
        async for chunk in reader.iter_chunked(1024):
            ...
        async for slice in reader.iter_any():
            ...

    r   N)timerloopprotocollimitrF   rG   r!   c                C   s   || _ || _|d | _|d u rt }|| _d| _d| _d | _t	
 | _d| _d| _d | _d | _d | _|d u r:t n|| _g | _d S )N   r   F)	_protocol
_low_water_high_waterasyncioget_event_loop_loop_size_cursor_http_chunk_splitscollectionsdeque_buffer_buffer_offset_eof_waiter_eof_waiter
_exceptionr   _timer_eof_callbacks)r$   rH   rI   rF   rG   r   r   r   r%   m   s"   


zStreamReader.__init__c                 C   s   | j jg}| jr|d| j  | jr|d | jdkr(|d| j| jf  | jr3|d| j  | jr>|d| j  dd	| S )	Nz%d byteseofi   zlow=%d high=%dzw=%rze=%r<%s> )
	__class__r   rQ   appendrX   rL   rM   rY   r[   join)r$   infor   r   r   __repr__   s   


zStreamReader.__repr__c                 C   s   | j | jfS r#   )rL   rM   r)   r   r   r   get_read_buffer_limits      z#StreamReader.get_read_buffer_limitsc                 C      | j S r#   r[   r)   r   r   r   	exception      zStreamReader.exceptionexc	exc_causec                 C   sX   || _ | j  | j}|d urd | _t||| | j}|d ur*d | _t||| d S d S r#   )r[   r]   clearrY   r   rZ   r$   rl   rm   waiterr   r   r   r      s   
zStreamReader.set_exceptioncallbackc                 C   sB   | j rz|  W d S  ty   td Y d S w | j| d S NException in eof callback)rX   	Exceptionr   rj   r]   rb   r$   rq   r   r   r   on_eof   s   zStreamReader.on_eofc              	   C   s   d| _ | j}|d urd | _t|d  | j}|d ur!d | _t|d  | jD ]}z|  W q$ ty9   td Y q$w | j  d S )NTrs   )	rX   rY   r   rZ   r]   rt   r   rj   rn   )r$   rp   cbr   r   r   feed_eof   s    



zStreamReader.feed_eofc                 C   rh   )z&Return True if  'feed_eof' was called.rX   r)   r   r   r   is_eof   s   zStreamReader.is_eofc                 C      | j o| j S )z=Return True if the buffer is empty and 'feed_eof' was called.rX   rV   r)   r   r   r   at_eof   s   zStreamReader.at_eofc                    sH   | j rd S | jd u sJ | j | _z| jI d H  W d | _d S d | _w r#   )rX   rZ   rP   create_futurer)   r   r   r   wait_eof   s   zStreamReader.wait_eofdatac                 C   sx   t jdtdd |sdS | jr| jd | jd | jd< d| _|  jt|7  _|  jt|8  _| j| d| _	dS )zDrollback reading some data from stream, inserting it to buffer head.zJunread_data() is deprecated and will be removed in future releases (#3260)rJ   )
stacklevelNr   )
warningswarnDeprecationWarningrW   rV   rQ   lenrR   
appendleft_eof_counter)r$   r   r   r   r   unread_data   s   
zStreamReader.unread_datasizec                 C   s   | j rJ d|sd S |  jt|7  _| j| |  jt|7  _| j}|d ur2d | _t|d  | j| jkrC| j	j
sE| j	  d S d S d S )Nzfeed_data after feed_eof)rX   rQ   r   rV   rb   total_bytesrY   r   rM   rK   _reading_pausedpause_readingr$   r   r   rp   r   r   r   	feed_data   s   
zStreamReader.feed_datac                 C   s&   | j d u r| jrtdg | _ d S d S )Nz?Called begin_http_chunk_receiving whensome data was already fed)rS   r   RuntimeErrorr)   r   r   r   begin_http_chunk_receiving  s   

z'StreamReader.begin_http_chunk_receivingc                 C   sh   | j d u r	td| j r| j d nd}| j|krd S | j | j | j}|d ur2d | _t|d  d S d S )NzFCalled end_chunk_receiving without calling begin_chunk_receiving firstr   )rS   r   r   rb   rY   r   )r$   posrp   r   r   r   end_http_chunk_receiving  s   


z%StreamReader.end_http_chunk_receiving	func_namec                    sz   | j d urtd| | j  }| _ z$| j |I d H  W d    n1 s(w   Y  W d | _ d S W d | _ d S d | _ w )NzH%s() called while another coroutine is already waiting for incoming data)rY   r   rP   r~   r\   )r$   r   rp   r   r   r   _wait*  s   

zStreamReader._waitc                    s   |   I d H S r#   )	readuntilr)   r   r   r   r;   <  s   zStreamReader.readline   
	separatorc           	         s   t |}|dkrtd| jd ur| jd}d}d}|rm| jr[|r[| j}| jd ||d }| |r<|| | d nd}||7 }|t |7 }|rMd}|| jkrVtd| jr[|s"| jra	 |S |rk| 	d	I d H  |s|S )
Nr   z,Separator should be at least one-byte stringr-   Tr   r   FzChunk too bigr   )
r   
ValueErrorr[   rV   rW   find_read_nowait_chunkrM   rX   r   )	r$   r   seplenchunk
chunk_size
not_enoughoffseticharr   r   r   r   r   ?  s<   



zStreamReader.readuntilr   r<   c                    s   | j d ur	| j 	 | jr%| js%t| ddd | _| jdkr%tjddd |s)dS |dk rEg }	 |  I d H }|s:n|| q0d	|S | jsY| jsY| 
d	I d H  | jsY| jrK| |S )
NTr   r   r      zEMultiple access to StreamReader in eof state, might be infinite loop.)
stack_infor-   r=   )r[   rX   rV   getattrr   r   warningrB   rb   rc   r   _read_nowait)r$   r<   blocksblockr   r   r   r=   c  s4   




zStreamReader.readc                    sD   | j d ur	| j | js| js| dI d H  | js| jr| dS )NrB   r   )r[   rV   rX   r   r   r)   r   r   r   rB     s   

zStreamReader.readanyc                    s   	 | j dur
| j | jr1| jd}|| jkrdS || jkr)| || j dfS td | js| jr;| ddfS | j	r@dS | 
d	I dH  q)
a  Returns a tuple of (data, end_of_http_chunk).

        When chunked transfer
        encoding is used, end_of_http_chunk is a boolean indicating if the end
        of the data corresponds to the end of a HTTP chunk , otherwise it is
        always False.
        TNr   r-   TzESkipping HTTP chunk end due to data consumption beyond chunk boundaryr   Fr5   r6   )r[   rS   poprR   r   r   r   rV   r   rX   r   )r$   r   r   r   r   r6     s(   


zStreamReader.readchunkc                    sx   | j d ur	| j g }|dkr7| |I d H }|s(d|}t|t|| || |t|8 }|dksd|S )Nr   r-   )r[   r=   rc   rN   IncompleteReadErrorr   rb   )r$   r<   r   r   partialr   r   r   readexactly  s   



zStreamReader.readexactlyc                 C   s2   | j d ur| j | jr| j std| |S )Nz9Called while some coroutine is waiting for incoming data.)r[   rY   doner   r   r@   r   r   r   read_nowait  s   

zStreamReader.read_nowaitc                 C   s   | j d }| j}|dkr$t|| |kr$||||  }|  j|7  _n|r5| j   ||d  }d| _n| j  }|  jt|8  _|  jt|7  _| j}|rf|d | jk rf|d |rf|d | jk sX| j| jk ru| j	j
ru| j	  |S )Nr   r   )rV   rW   r   popleftrQ   rR   rS   r   rL   rK   r   resume_reading)r$   r<   first_bufferr   r   chunk_splitsr   r   r   r     s&   




zStreamReader._read_nowait_chunkc                 C   s^   | j   g }| jr&| |}|| |dkr#|t|8 }|dkr#n| js
|r-d|S dS )z6Read not more than n bytes, or whole buffer if n == -1r   r   r-   )r\   assert_timeoutrV   r   rb   r   rc   )r$   r<   chunksr   r   r   r   r     s   


zStreamReader._read_nowaitr!   Nr   )r   r   )*r   r   r   r   r   r   rE   r   r   rN   AbstractEventLoopr%   strre   r	   rf   BaseExceptionrj   r   r   r   rv   rx   r8   rz   r}   r   r7   r   r   r   r   r   r;   r   r=   rB   r6   r   r   r   r   r   r   r   r   r   ]   s\    


	


$*"r   c                   @   s  e Zd Zd*ddZdefddZdee fddZe	fd	ed
eddfddZ
deg df ddfddZd*ddZdefddZdefddZd*ddZd+dededdfddZdefddZd,dedefd d!Zdefd"d#Zdeeef fd$d%Zdedefd&d'Zd,dedefd(d)ZdS )-EmptyStreamReaderr!   Nc                 C   s
   d| _ d S )NF_read_eof_chunkr)   r   r   r   r%     r&   zEmptyStreamReader.__init__c                 C   s   d| j j S )Nr_   )ra   r   r)   r   r   r   re     rg   zEmptyStreamReader.__repr__c                 C      d S r#   r   r)   r   r   r   rj     r+   zEmptyStreamReader.exceptionrl   rm   c                 C   r   r#   r   )r$   rl   rm   r   r   r   r     s   zEmptyStreamReader.set_exceptionrq   c                 C   s,   z|  W d S  t y   td Y d S w rr   )rt   r   rj   ru   r   r   r   rv     s
   zEmptyStreamReader.on_eofc                 C   r   r#   r   r)   r   r   r   rx     r+   zEmptyStreamReader.feed_eofc                 C      dS NTr   r)   r   r   r   rz     r+   zEmptyStreamReader.is_eofc                 C   r   r   r   r)   r   r   r   r}   !  r+   zEmptyStreamReader.at_eofc                    s   d S r#   r   r)   r   r   r   r   $     zEmptyStreamReader.wait_eofr   r   r<   c                 C   r   r#   r   )r$   r   r<   r   r   r   r   '  r+   zEmptyStreamReader.feed_datac                       dS r,   r   r)   r   r   r   r;   *  r   zEmptyStreamReader.readliner   c                    r   r,   r   r@   r   r   r   r=   -  r   zEmptyStreamReader.readc                    r   r,   r   r)   r   r   r   rB   2  r   zEmptyStreamReader.readanyc                    s   | j s	d| _ dS dS )NTr5   r   r   r)   r   r   r   r6   5  s
   zEmptyStreamReader.readchunkc                    s   t d|r,   )rN   r   r@   r   r   r   r   <  s   zEmptyStreamReader.readexactlyc                 C   r   r,   r   r@   r   r   r   r   ?  r+   zEmptyStreamReader.read_nowaitr   r   r   )r   r   r   r%   r   re   r   r   rj   r   r   r   rv   rx   r8   rz   r}   r   r7   rE   r   r;   r=   rB   r	   r6   r   r   r   r   r   r   r     s0    



r   r   c                   @   s   e Zd ZdZdejddfddZdefddZde	fd	d
Z
de	fddZdee fddZefdededdfddZddededdfddZdddZdefddZdee fddZdS ) r   z>DataQueue is a general-purpose blocking queue with one reader.rG   r!   Nc                 C   s,   || _ d| _d | _d | _d| _t | _d S )NFr   )rP   rX   rY   r[   rQ   rT   rU   rV   )r$   rG   r   r   r   r%   I  s   zDataQueue.__init__c                 C   r:   r#   )r   rV   r)   r   r   r   __len__Q  r&   zDataQueue.__len__c                 C   rh   r#   ry   r)   r   r   r   rz   T  rk   zDataQueue.is_eofc                 C   r{   r#   r|   r)   r   r   r   r}   W  s   zDataQueue.at_eofc                 C   rh   r#   ri   r)   r   r   r   rj   Z  rk   zDataQueue.exceptionrl   rm   c                 C   s4   d| _ || _| j}|d urd | _t||| d S d S r   )rX   r[   rY   r   ro   r   r   r   r   ]  s   zDataQueue.set_exceptionr   r   r   c                 C   sD   |  j |7  _ | j||f | j}|d ur d | _t|d  d S d S r#   )rQ   rV   rb   rY   r   r   r   r   r   r   j  s   zDataQueue.feed_datac                 C   s,   d| _ | j}|d urd | _t|d  d S d S r   )rX   rY   r   )r$   rp   r   r   r   rx   s  s   zDataQueue.feed_eofc              	      s   | j s*| js*| jrJ | j | _z| jI d H  W n tjtjfy)   d | _ w | j r=| j  \}}|  j	|8  _	|S | j
d urE| j
tr#   )rV   rX   rY   rP   r~   rN   CancelledErrorTimeoutErrorr   rQ   r[   r   r$   r   r   r   r   r   r=   {  s"   

zDataQueue.readc                 C   r:   r#   )r   r=   r)   r   r   r   r*     r&   zDataQueue.__aiter__r   r   )r   r   r   r   rN   r   r%   rE   r   r8   rz   r}   r   r   rj   r   r   r   r   rx   r=   r   r*   r   r   r   r   r   F  s&    

	r   c                       sb   e Zd ZdZdededejddf fddZdd
e	deddf fddZ
de	f fddZ  ZS )r   zlFlowControlDataQueue resumes and pauses an underlying stream.

    It is a destination for parsed data.
    rH   rI   rG   r!   Nc                   s"   t  j|d || _|d | _d S )N)rG   rJ   )superr%   rK   _limit)r$   rH   rI   rG   ra   r   r   r%     s   zFlowControlDataQueue.__init__r   r   r   c                    s8   t  || | j| jkr| jjs| j  d S d S d S r#   )r   r   rQ   r   rK   r   r   r   r   r   r   r     s   zFlowControlDataQueue.feed_datac                    s\   zt   I d H W | j| jk r| jjr| j  S S S | j| jk r,| jjr-| j  w w w r#   )r   r=   rQ   r   rK   r   r   r)   r   r   r   r=     s   zFlowControlDataQueue.readr   )r   r   r   r   r   rE   rN   r   r%   r   r   r=   __classcell__r   r   r   r   r     s    r   )$rN   rT   r   typingr   r   r   r   r   r   r   r	   r
   base_protocolr   helpersr   r   r   r   r   logr   __all__r   rt   r   r   r2   r9   r   r   r   __annotations__r   r   r   r   r   r   <module>   s*   
 ,   *?M