U
    -e-                     @   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	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!k
r$   Y nX dS )z"Http related parsers and protocol.    N)Any	AwaitableCallable
NamedTupleOptionalUnion)CIMultiDict   )AbstractStreamWriter)BaseProtocol)NO_EXTENSIONS)StreamWriterHttpVersionHttpVersion10HttpVersion11c                   @   s   e Zd ZU eed< eed< dS )r   majorminorN)__name__
__module____qualname__int__annotations__ r   r   T/var/www/html/Darija-Ai-Train/env/lib/python3.8/site-packages/aiohttp/http_writer.pyr      s   
r   CIMultiDict[str]c                   @   s   e Zd Zd"eejeeddddZe	e
ej dddZe	eddd	Zddd
dZdejfeeddddZeddddZdddeeeddddZedddddZd#eddddZddd d!ZdS )$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	_compress_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-   4   s    zStreamWriter.transportc                 C   s   | j S r,   )r    r.   r   r   r   r   8   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,   |dkrdt j nt j}t j||d| _d S )Ngzip   )wbitsr2   )zlib	MAX_WBITScompressobjr&   )r*   r1   r2   	zlib_moder   r   r   enable_compression?   s    zStreamWriter.enable_compression)chunkr   c                 C   sX   t |}|  j|7  _|  j|7  _| j}| jjrB|d ksB| rJtd|| d S )Nz!Cannot write to closing transport)	lenr#   r$   r-   r    	connected
is_closingConnectionResetErrorwrite)r*   r;   sizer-   r   r   r   _writeE   s    zStreamWriter._writeTi   )drainLIMIT)r;   rC   rD   r   c                   s   | j dk	r|  |I dH  t|tr<|jt|kr<|d}| jdk	rZ| j|}|sZdS | jdk	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nbytesr<   castr&   compressr!   r"   encoderB   r#   rC   )r*   r;   rC   rD   	chunk_lenZchunk_len_prer   r   r   r@   N   s2    	






zStreamWriter.writer   status_lineheadersr   c                    s2   | j dk	r|  |I dH  t||}| | dS )z*Write request/response status and headers.N)r)   _serialize_headersrB   )r*   rP   rQ   bufr   r   r   write_headersy   s    

zStreamWriter.write_headers    c                    s   | j r
d S |r(| jd k	r(| |I d H  | jrv|r>| j|}|| j  }|r| jrdt| d}|| d }n.| jr|rdt| d}|| d }nd}|r| | | 	 I d H  d| _ d S )NrF   rG   s   
0

s   0

T)
r%   r(   r&   rL   flushr"   r<   rM   rB   rC   )r*   r;   rN   r   r   r   	write_eof   s(    

zStreamWriter.write_eofc                    s    | j jdk	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-   _drain_helperr.   r   r   r   rC      s    zStreamWriter.drain)NN)rU   )r   r   r   r   asyncioAbstractEventLoop_T_OnChunkSent_T_OnHeadersSentr+   propertyr   	Transportr-   r   r/   r6   Z_DEFAULT_STRATEGYstrr   r:   bytesrB   boolr@   rT   rW   rC   r   r   r   r   r      sH       
   , r   )stringr   c                 C   s   d| ksd| krt d| S )N
zRNewline or carriage return detected in headers. Potential header injection attack.)
ValueError)rc   r   r   r   _safe_header   s
    rg   rO   c                 C   s2   dd |  D }| d d| d }|dS )Nc                 s   s&   | ]\}}t |d  t | V  qdS )z: N)rg   ).0kvr   r   r   	<genexpr>   s     z(_py_serialize_headers.<locals>.<genexpr>z
z

zutf-8)itemsjoinrM   )rP   rQ   Zheaders_genliner   r   r   _py_serialize_headers   s    ro   )"__doc__rY   r6   typingr   r   r   r   r   r   Z	multidictr   abcr
   Zbase_protocolr   helpersr   __all__r   r   r   ra   r[   r\   r   r`   rg   ro   rR   Zaiohttp._http_writerZ_http_writerZ_c_serialize_headersImportErrorr   r   r   r   <module>   s2    

 	