o
    Zh-                     @   s<  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
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)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   J/var/www/html/lang_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$d%Zd)d&d'ZdS )+r   Nprotocolloopon_chunk_senton_headers_sentreturnc                 C   sF   || _ || _d | _d| _d| _d| _d| _d | _d | _|| _	|| _
d S )NFr   )	_protocolr   lengthchunkedbuffer_sizeoutput_size_eof	_compressZ_drain_waiter_on_chunk_sent_on_headers_sent)selfr   r   r   r   r   r   r   __init__   s   
zStreamWriter.__init__c                 C   s   | j jS N)r!   	transportr*   r   r   r   r-   5   s   zStreamWriter.transportc                 C   s   | j S r,   )r!   r.   r   r   r   r   9   s   zStreamWriter.protocolc                 C   s
   d| _ d S )NT)r#   r.   r   r   r   enable_chunking=   s   
zStreamWriter.enable_chunkingdeflateencodingstrategyc                 C   s   t ||d| _d S )N)r1   r2   )r   r'   )r*   r1   r2   r   r   r   enable_compression@   s   zStreamWriter.enable_compressionchunkc                 C   sX   t |}|  j|7  _|  j|7  _| j}| jjr!|d u s!| r%td|| d S )Nz!Cannot write to closing transport)	lenr$   r%   r-   r!   	connected
is_closingConnectionResetErrorwrite)r*   r4   sizer-   r   r   r   _writeE   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nbytesr5   castr'   compressr"   r#   encoder;   r$   r<   )r*   r4   r<   r=   	chunk_lenZchunk_len_prer   r   r   r9   N   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*   rH   rI   bufr   r   r   write_headersy   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#   r5   rF   r;   r<   )r*   r4   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_helperr.   r   r   r   r<      s   zStreamWriter.drain)NN)r    N)rM   )r   r   r   r   asyncioAbstractEventLoop_T_OnChunkSent_T_OnHeadersSentr+   propertyr   	Transportr-   r   r/   zlibZ_DEFAULT_STRATEGYstrr   r3   bytesr;   boolr9   rL   rO   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
   r`   rH   rI   c                 C   s2   dd |  D }| d d| d }|dS )Nc                 s   s(    | ]\}}t |d  t | V  qdS )z: N)r`   ).0kvr   r   r   	<genexpr>   s   & z(_py_serialize_headers.<locals>.<genexpr>z
z

zutf-8)itemsjoinrF   )rH   rI   Zheaders_genliner   r   r   _py_serialize_headers   s   
rh   )$__doc__rQ   rW   typingr   r   r   r   r   r   Z	multidictr   abcr
   Zbase_protocolr   Zcompression_utilsr   helpersr   __all__r   r   r   rZ   rS   rT   r   rY   r`   rh   rJ   Zaiohttp._http_writerZ_http_writerZ_c_serialize_headersImportErrorr   r   r   r   <module>   s:     

 	
