o
    5׾gW                     @   sH  d Z ddlZddlZddlmZmZmZmZmZm	Z	 ddl
mZ ddlmZ ddlmZ ddlmZ dd	lmZ dd
lmZ dZG dd deZeddZeddZeeeged f  Zeedged f  ZG dd deZdedefddZdedddefddZ e Z!zddl"m#Z# e#j!Z$ese$Z!W dS W dS  e%y   Y dS w )z"Http related parsers and protocol.    N)Any	AwaitableCallable
NamedTupleOptionalUnion)CIMultiDict   )AbstractStreamWriter)BaseProtocol)ClientConnectionResetError)ZLibCompressor)NO_EXTENSIONS)StreamWriterHttpVersionHttpVersion10HttpVersion11c                   @   s   e Zd ZU eed< eed< dS )r   majorminorN)__name__
__module____qualname__int__annotations__ r   r   ]/var/www/html/backend_erp/backend_erp_env/lib/python3.10/site-packages/aiohttp/http_writer.pyr      s   
 r   CIMultiDict[str]c                   @   s   e Zd Z		d(dedejdededdf
ddZe	de
ej fd	d
Ze	defddZd)ddZdejfdededdfddZdeddfddZddddedededdfddZdedd ddfd!d"Zd*deddfd$d%Zd)d&d'ZdS )+r   Nprotocolloopon_chunk_senton_headers_sentreturnc                 C   sF   || _ || _d | _d| _d| _d| _d| _d | _d | _|| _	|| _
d S )NFr   )	_protocolr   lengthchunkedbuffer_sizeoutput_size_eof	_compress_drain_waiter_on_chunk_sent_on_headers_sent)selfr   r   r   r    r   r   r   __init__    s   
zStreamWriter.__init__c                 C   s   | j jS N)r"   	transportr,   r   r   r   r/   6   s   zStreamWriter.transportc                 C   s   | j S r.   )r"   r0   r   r   r   r   :   s   zStreamWriter.protocolc                 C   s
   d| _ d S )NT)r$   r0   r   r   r   enable_chunking>   s   
zStreamWriter.enable_chunkingdeflateencodingstrategyc                 C   s   t ||d| _d S )N)r3   r4   )r   r(   )r,   r3   r4   r   r   r   enable_compressionA   s   zStreamWriter.enable_compressionchunkc                 C   sR   t |}|  j|7  _|  j|7  _| jj}|d u s| r"td|| d S )Nz!Cannot write to closing transport)lenr%   r&   r"   r/   
is_closingr   write)r,   r6   sizer/   r   r   r   _writeF   s   zStreamWriter._writeTi   )drainLIMITr<   r=   c                   s  | j dur|  |I dH  t|tr|jt|kr|d}| jdur1| j|I dH }|s1dS | jdurTt|}| j|krF| j| | _n|d| j }d| _|sTdS |r| j	rhdt| 
d}|| d }| | | j|kr|rd| _|  I dH  dS dS dS dS )zWrites chunk of data to a stream.

        write_eof() indicates end of stream.
        writer can't be used after write_eof() method being called.
        write() return drain future.
        Ncr   %x
asciis   
)r*   
isinstance
memoryviewnbytesr7   castr(   compressr#   r$   encoder;   r%   r<   )r,   r6   r<   r=   	chunk_lenchunk_len_prer   r   r   r9   O   s8   
	





zStreamWriter.writestatus_lineheadersr   c                    s4   | j dur|  |I dH  t||}| | dS )z*Write request/response status and headers.N)r+   _serialize_headersr;   )r,   rI   rJ   bufr   r   r   write_headersz   s
   

zStreamWriter.write_headers    c                    s   | j rd S |r| jd ur| |I d H  | jr?|r#| j|I d H }|| j 7 }|r>| jr>dt| d}|| d }n| jrV|rTdt| d}|| d }nd}|r]| | | 	 I d H  d| _ d S )Nr?   r@   s   
0

s   0

T)
r'   r*   r(   rE   flushr$   r7   rF   r;   r<   )r,   r6   rG   r   r   r   	write_eof   s,   


zStreamWriter.write_eofc                    s&   | j jdur| j  I dH  dS dS )zFlush the write buffer.

        The intended use is to write

          await w.write(data)
          await w.drain()
        N)r"   r/   _drain_helperr0   r   r   r   r<      s   zStreamWriter.drain)NN)r!   N)rN   )r   r   r   r   asyncioAbstractEventLoop_T_OnChunkSent_T_OnHeadersSentr-   propertyr   	Transportr/   r   r1   zlibZ_DEFAULT_STRATEGYstrr   r5   bytesr;   boolr9   rM   rP   r<   r   r   r   r   r      s^    




+
r   stringr!   c                 C   s   d| v sd| v rt d| S )N
zRNewline or carriage return detected in headers. Potential header injection attack.)
ValueError)r]   r   r   r   _safe_header   s
   ra   rI   rJ   c                 C   s2   dd |  D }| d d| d }|dS )Nc                 s   s(    | ]\}}t |d  t | V  qdS )z: N)ra   ).0kvr   r   r   	<genexpr>   s   & z(_py_serialize_headers.<locals>.<genexpr>z
z

zutf-8)itemsjoinrF   )rI   rJ   headers_genliner   r   r   _py_serialize_headers   s   
rj   )&__doc__rR   rX   typingr   r   r   r   r   r   	multidictr   abcr
   base_protocolr   client_exceptionsr   compression_utilsr   helpersr   __all__r   r   r   r[   rT   rU   r   rZ   ra   rj   rK   aiohttp._http_writer_http_writer_c_serialize_headersImportErrorr   r   r   r   <module>   s<     

 	
