
    Yj                        d Z ddlmZ ddlZddlmZmZ ddlm	Z	 ddl
mZ ddlmZmZ dd	lmZ g d
Z G d de      Z e	d       G d d             Z G d d      Z G d d      Z G d d      Z G d d      Zy)a  
Server-sent events support, derived from httpx-sse (https://github.com/florimondmanca/httpx-sse).

```
MIT License

Copyright (c) 2022 Florimond Manca

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
```
    )annotationsN)AsyncIteratorIterator)	dataclass   )DEFAULT_MAX_EVENT_SIZE_BYTES)TransportErrorrequest_context)Response)EventSourceSSEErrorServerSentEventc                      e Zd ZdZy)r   zS
    An error that occurred while connecting to a server-sent events endpoint.
    N)__name__
__module____qualname____doc__     J/var/www/html/vmm-quimica/venv/lib/python3.12/site-packages/httpx2/_sse.pyr   r   *   s    r   r   T)frozenc                  N    e Zd ZU dZded<   dZded<   dZded<   dZded	<   dd
Zy)r   messagestrevent dataidN
int | Noneretryc                @    t        j                  | j                        S N)jsonlibloadsr   selfs    r   jsonzServerSentEvent.json7   s    }}TYY''r   )returnobject)	r   r   r   r   __annotations__r   r   r    r'   r   r   r   r   r   0   s-    E3D#NBLE:(r   r   c                  0    e Zd ZdddZddZd	dZd
d	dZy)_SSEEventDecoderNc                f    || _         d| _        g | _        d| _        d| _        d | _        d| _        y )Nr   r   F)_max_event_size_event_data_event_size_last_event_id_retry_pendingr&   max_event_sizes     r   __init__z_SSEEventDecoder.__init__<   s6    - "
 "&r   c                   |s|d| _         | j                  sy t        | j                  xs ddj	                  | j
                        | j                  | j                        }d| _        g | _        d | _        d| _        |S |j                  d      ry | xj                   t        |j                  d            z  c_         | j                          |j                  d      \  }}}|j                  d	      r|d
d  n|}|dk(  r|| _        d| _        y |dk(  r#| j
                  j                  |       d| _        y |dk(  rd|vr|| _        d| _        y |dk(  r	 t        |      | _        d| _        y y # t        $ r Y y w xY w)Nr   r   
)r   r   r   r    r   F:utf-8 r   r   Tr   r    r    )r1   r4   r   r/   joinr0   r2   r3   
startswithlenencode_check_size	partitionappendint
ValueError)r&   linesse	fieldname_values         r   decodez_SSEEventDecoder.decodeE   s    D==!kk.YYYtzz*&&kk	C DKDJDK!DMJ??3CG 455"nnS1	1e"--c2ab	DK DM  & JJe$ DM  $5 &+# $  '!!%j $   s   E. .	E:9E:c                &    | j                  |       y)z
        Bound the total bytes buffered for the in-progress event, including
        a trailing line that has not been terminated by a newline yet.
        N)rB   r&   pending_sizes     r   check_pendingz_SSEEventDecoder.check_pendings   s    
 	&r   c                    | j                   6| j                  |z   | j                   kD  rt        d| j                    d      y y )NzServer-sent event exceeded the z byte limit.)r.   r1   r   rN   s     r   rB   z_SSEEventDecoder._check_sizez   sM    +0@0@<0ORVRfRf0f<T=Q=Q<RR^_`` 1g+r   r"   r6   r   r(   None)rG   r   r(   zServerSentEvent | None)rO   rE   r(   rS   )r   )r   r   r   r7   rL   rP   rB   r   r   r   r,   r,   ;   s    ,\'ar   r,   c                  F    e Zd ZddZed	d       Zd
dZddZddZddZ	y)_SSELineDecoderc                .    g | _         d| _        d| _        y )Nr   F)_parts_pending_size_trailing_crr%   s    r   r7   z_SSELineDecoder.__init__   s    !#!r   c                    | j                   S r"   )rX   r%   s    r   rO   z_SSELineDecoder.pending_size   s    !!!r   c                   | j                   rd|z   }d| _         |j                  d      rd| _         |d d }|j                  dd      j                  dd      }d|vr| j                  |       g S |j	                  d      }| j                  |d          | j                         |d<   | j                  |j                                |S )NFTz
r9   r   )rY   endswithreplace_appendsplit_consume_pendingpop)r&   textliness      r   rL   z_SSELineDecoder.decode   s    $;D %D== $D9D||FD)11$=tLLI

4 U1X((*aUYY[!r   c                    | j                   r| j                  d       d| _         | j                         }|sg S |j                  d      S )Nr9   F)rY   r`   rb   ra   )r&   buffers     r   flushz_SSELineDecoder.flush   sD    LL %D&&(I||D!!r   c                    |rI| j                   j                  |       | xj                  t        |j	                  d            z  c_        y y )Nr;   )rW   rD   rX   r@   rA   r&   rd   s     r   r`   z_SSELineDecoder._append   s;    KKt$#dkk'&:";; r   c                X    dj                  | j                        }g | _        d| _        |S )Nr   r   )r>   rW   rX   )r&   pendings     r   rb   z _SSELineDecoder._consume_pending   s(    ''$++&r   Nr(   rS   )r(   rE   )rd   r   r(   	list[str])r(   rn   )rd   r   r(   rS   )r(   r   )
r   r   r   r7   propertyrO   rL   rh   r`   rb   r   r   r   rU   rU      s/    "
 " "&"<
r   rU   c                  .    e Zd ZdddZddZd	dZd
dZy)
_SSEParserNc                B    t        |      | _        t               | _        y r"   )r,   _event_decoderrU   _line_decoderr5   s     r   r7   z_SSEParser.__init__   s    .~>,.r   c              #     K   | j                  | j                  j                  |            E d {    | j                  j	                  | j                  j
                         y 7 4wr"   )_decode_linesrt   rL   rs   rP   rO   rj   s     r   rL   z_SSEParser.decode   sQ     %%d&8&8&?&?&EFFF))$*<*<*I*IJ 	Gs   .A'A%5A'c              #  r   K   | j                  | j                  j                               E d {    y 7 wr"   )rv   rt   rh   r%   s    r   rh   z_SSEParser.flush   s)     %%d&8&8&>&>&@AAAs   -757c              #  ^   K   |D ]$  }| j                   j                  |      }|!| & y wr"   )rs   rL   )r&   re   rG   rH   s       r   rv   z_SSEParser._decode_lines   s5      	D%%,,T2C		s   #--r"   rR   )rd   r   r(   Iterator[ServerSentEvent]r(   ry   )re   rn   r(   ry   )r   r   r   r7   rL   rh   rv   r   r   r   rq   rq      s    /KBr   rq   c                  B    e Zd ZefddZedd       Zd	dZd
dZddZ	y)r   c                     || _         || _        y r"   )	_responser.   )r&   responser6   s      r   r7   zEventSource.__init__   s    !-r   c                    | j                   S r"   )r}   r%   s    r   r~   zEventSource.response   s    ~~r   c                    | j                   j                  j                  dd      j                  d      \  }}}|j	                         j                         dk7  rt        d|j	                         d      y )Nzcontent-typer   ;ztext/event-streamz=Expected response with content type 'text/event-stream', got .)r}   headersgetrC   striplowerr   )r&   content_typerJ   s      r   _check_content_typezEventSource._check_content_type   sr    !^^3377KUUVYZa%%'+>>Z[g[m[m[oZrrstuu ?r   c              #  h  K   t        | j                  j                        5  | j                          t	        | j
                        }| j                  j                         D ]  }|j                  |      E d {     |j                         E d {    d d d        y 7 '7 # 1 sw Y   y xY wwN)request)	r
   r}   r   r   rq   r.   	iter_textrL   rh   )r&   parserchunks      r   __iter__zEventSource.__iter__   s     T^^%;%;< 	&$$& 4 45F113 0!==///0||~%%	& 	& 0%	& 	&sA   !B2AB&:B";B&B$B&	B2"B&$B&&B/+B2c               z  K   t        | j                  j                        5  | j                          t	        | j
                        }| j                  j                         2 3 d {   }|j                  |      D ]  }| 	 %7  6 |j                         D ]  }| 	 	 d d d        y # 1 sw Y   y xY wwr   )	r
   r}   r   r   rq   r.   
aiter_textrL   rh   )r&   r   r   rH   s       r   	__aiter__zEventSource.__aiter__   s     T^^%;%;< 	$$& 4 45F#~~88:  e!==/ CI: ||~ 		 	 	sA   !B;A B/#B
'B(B
+B/B

B/&	B;/B84B;N)r~   r   r6   r   r(   rS   )r(   r   rm   rz   )r(   zAsyncIterator[ServerSentEvent])
r   r   r   r   r7   ro   r~   r   r   r   r   r   r   r   r      s.    Hd .  v
&r   r   )r   
__future__r   r'   r#   collections.abcr   r   dataclassesr   _configr   _exceptionsr	   r
   _modelsr   __all__r   r   r,   rU   rq   r   r   r   r   <module>r      s~   8 #  3 ! 1 8 
8~  $( ( (Aa AaH/ /d & r   