o
    e                     @   s0  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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)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   CD:\Projects\ConvertPro\env\Lib\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$d%Zd)d&d'ZdS )+r   Nprotocolloopon_chunk_senton_headers_sentreturnc                 C   sF   || _ || _d | _d| _d| _d| _d| _d | _d | _|| _	|| _
d S )NFr   )	_protocolr   lengthchunkedbuffer_sizeoutput_size_eof	_compressZ_drain_waiter_on_chunk_sent_on_headers_sent)selfr   r   r   r   r   r   r   __init__   s   
zStreamWriter.__init__c                 C   s   | j jS N)r    	transportr)   r   r   r   r,   4   s   zStreamWriter.transportc                 C   s   | j S r+   )r    r-   r   r   r   r   8   s   zStreamWriter.protocolc                 C   s
   d| _ d S )NT)r"   r-   r   r   r   enable_chunking<   s   
zStreamWriter.enable_chunkingdeflateencodingstrategyc                 C   s,   |dkr	dt j nt j}t j||d| _d S )Ngzip   )wbitsr1   )zlib	MAX_WBITScompressobjr&   )r)   r0   r1   	zlib_moder   r   r   enable_compression?   s   zStreamWriter.enable_compressionchunkc                 C   sX   t |}|  j|7  _|  j|7  _| j}| jjr!|d u s!| r%td|| d S )Nz!Cannot write to closing transport)	lenr#   r$   r,   r    	connected
is_closingConnectionResetErrorwrite)r)   r:   sizer,   r   r   r   _writeE   s   zStreamWriter._writeTi   )drainLIMITrB   rC   c                   s  | j dur|  |I dH  t|tr|jt|kr|d}| jdur.| j|}|s.dS | jdurQt|}| j|krC| j| | _n|d| j }d| _|sQdS |r}| j	red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nbytesr;   castr&   compressr!   r"   encoderA   r#   rB   )r)   r:   rB   rC   	chunk_lenZchunk_len_prer   r   r   r?   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_headersrA   )r)   rN   rO   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|}|| j  }|r;| jr;dt| d}|| d }n| jrS|rQdt| d}|| d }nd}|rZ| | | 	 I d H  d| _ d S )NrE   rF   s   
0

s   0

T)
r%   r'   r&   rK   flushr"   r;   rL   rA   rB   )r)   r:   rM   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   rB      s   zStreamWriter.drain)NN)r   N)rS   )r   r   r   r   asyncioAbstractEventLoop_T_OnChunkSent_T_OnHeadersSentr*   propertyr   	Transportr,   r   r.   r5   Z_DEFAULT_STRATEGYstrr   r9   bytesrA   boolr?   rR   rU   rB   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)ra   r   r   r   _safe_header   s
   re   rN   rO   c                 C   s2   dd |  D }| d d| d }|dS )Nc                 s   s(    | ]\}}t |d  t | V  qdS )z: N)re   ).0kvr   r   r   	<genexpr>   s   & z(_py_serialize_headers.<locals>.<genexpr>z
z

zutf-8)itemsjoinrL   )rN   rO   Zheaders_genliner   r   r   _py_serialize_headers   s   
rm   )"__doc__rW   r5   typingr   r   r   r   r   r   Z	multidictr   abcr
   Zbase_protocolr   helpersr   __all__r   r   r   r_   rY   rZ   r   r^   re   rm   rP   Zaiohttp._http_writerZ_http_writerZ_c_serialize_headersImportErrorr   r   r   r   <module>   s8     

 	
