a
    nJh-                     @   s4  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eedddZededddZeZz ddl m!Z! e!jZ"ese"ZW n e#y.   Y n0 dS )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   E/var/www/shaz/venv/lib/python3.9/site-packages/aiohttp/http_writer.pyr      s   
r   CIMultiDict[str]c                   @   s   e Zd Zd"eejeeddddZe	e
ej dddZe	eddd	Zddd
dZdejfeeddddZeddddZdddeeeddddZedddddZd#eddddZddd d!ZdS )$r   N)protocolloopon_chunk_senton_headers_sentreturnc                 C   sF   || _ || _d | _d| _d| _d| _d| _d | _d | _|| _	|| _
d S )NFr   )	_protocolr   lengthchunkedbuffer_sizeoutput_size_eof	_compressZ_drain_waiter_on_chunk_sent_on_headers_sent)selfr   r   r   r   r   r   r   __init__   s    zStreamWriter.__init__)r    c                 C   s   | j jS N)r!   	transportr*   r   r   r   r-   5   s    zStreamWriter.transportc                 C   s   | j S r,   )r!   r.   r   r   r   r   9   s    zStreamWriter.protocolc                 C   s
   d| _ d S )NT)r#   r.   r   r   r   enable_chunking=   s    zStreamWriter.enable_chunkingdeflate)encodingstrategyr    c                 C   s   t ||d| _d S )N)r1   r2   )r   r'   )r*   r1   r2   r   r   r   enable_compression@   s    zStreamWriter.enable_compression)chunkr    c                 C   sX   t |}|  j|7  _|  j|7  _| j}| jjrB|d u sB| rJtd|| d S )Nz!Cannot write to closing transport)	lenr$   r%   r-   r!   	connectedZ
is_closingConnectionResetErrorwrite)r*   r4   sizer-   r   r   r   _writeE   s    zStreamWriter._writeTi   )drainLIMIT)r4   r;   r<   r    c                   s   | j dur|  |I dH  t|tr<|jt|kr<|d}| jdur`| j|I dH }|s`dS | jdurt|}| j|kr| j| | _n|d| j }d| _|sdS |r| j	rdt| 
d}|| d }| | | j|kr|rd| _|  I dH  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   r8   N   s2    	






zStreamWriter.writer   status_lineheadersr    c                    s2   | 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||rD| j|I d H }|| j 7 }|r| jrdt| d}|| d }n.| jr|rdt| d}|| d }nd}|r| | | 	 I d H  d| _ d S )Nr>   r?   s   
0

s   0

T)
r&   r(   r'   rD   flushr#   r5   rE   r:   r;   )r*   r4   rF   r   r   r   	write_eof   s(    

zStreamWriter.write_eofc                    s    | j jdur| j  I dH  dS )zFlush the write buffer.

        The intended use is to write

          await w.write(data)
          await w.drain()
        N)r!   r-   Z_drain_helperr.   r   r   r   r;      s    zStreamWriter.drain)NN)rM   )r   r   r   r   asyncioZAbstractEventLoop_T_OnChunkSent_T_OnHeadersSentr+   propertyr   	Transportr-   r   r/   zlibZ_DEFAULT_STRATEGYstrr   r3   bytesr:   boolr8   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)rZ   r   r   r   _safe_header   s
    r^   rG   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>   rM   z(_py_serialize_headers.<locals>.<genexpr>z
z

zutf-8)itemsjoinrE   )rH   rI   Zheaders_genliner   r   r   _py_serialize_headers   s    rf   )$__doc__rP   rU   typingr   r   r   r   r   r   Z	multidictr   abcr
   Zbase_protocolr   Zcompression_utilsr   Zhelpersr   __all__r   r   r   rX   rQ   rR   r   rW   r^   rf   rJ   Zaiohttp._http_writerZ_http_writerZ_c_serialize_headersImportErrorr   r   r   r   <module>   s4    

 	