o
    i](                     @  s  d dl mZ d dlmZmZmZmZmZmZ d dl	m
Z
mZ d dlZd dlmZ d dlmZmZ d dlmZ d dlmZmZmZmZmZ eegee f Zeeegee f Zeeeee
f B df ZeeeB eB eee
f B  Z ed	Z!G d
d deZ"G dd dZ#G dd deZ$dS )    )annotations)AsyncGeneratorAsyncIterable	AwaitableCallableMappingMutableMapping)AnyTypeVarN)collapse_excgroups)ClientDisconnectRequest)Response)ASGIAppMessageReceiveScopeSendTc                      s,   e Zd ZdZd fddZdd
dZ  ZS )_CachedRequesta  
    If the user calls Request.body() from their dispatch function
    we cache the entire request body in memory and pass that to downstream middlewares,
    but if they call Request.stream() then all we do is send an
    empty body so that downstream things don't hang forever.
    scoper   receiver   c                   s(   t  || d| _d| _|  | _d S )NF)super__init___wrapped_rcv_disconnected_wrapped_rcv_consumedstreamZ_wrapped_rc_stream)selfr   r   	__class__ P/home/app/Keep/.python/lib/python3.10/site-packages/starlette/middleware/base.pyr      s   z_CachedRequest.__init__returnr   c                   s   | j rddiS | jr0| jrd| _ ddiS |  I d H }|d dkr+td|d  d| _ |S t| dd d urBd| _d| jddS | jrNd| _dd	ddS z|  }|	 I d H }| j| _d|| j dW S  t
yv   d| _ ddi Y S w )
Ntypehttp.disconnectTzUnexpected message received: _bodyzhttp.requestFr#   body	more_body    )r   r   Z_is_disconnectedr   RuntimeErrorgetattrr%   Z_stream_consumedr   	__anext__r   )r   msgr   chunkr    r    r!   wrapped_receive"   sH   z_CachedRequest.wrapped_receive)r   r   r   r   r"   r   )__name__
__module____qualname____doc__r   r/   __classcell__r    r    r   r!   r      s    r   c                   @  s,   e Zd Zdddd	ZdddZdddZdS )BaseHTTPMiddlewareNappr   dispatchDispatchFunction | Noner"   Nonec                 C  s$   || _ |d u r| j| _d S || _d S N)r7   r8   dispatch_func)r   r7   r8   r    r    r!   r   a   s   zBaseHTTPMiddleware.__init__r   r   r   r   sendr   c                   sj  d dkr ||I d H  d S t|}|jt d  dd
 f	dd	}t }|\e S t @ t 4 I d H %||I d H }||I d H  	  
  W d   I d H  n1 I d H sww   Y  W d    n1 sw   Y  W d    n1 sw   Y  W d    n1 sw   Y   d urs d S d S )Nr#   httpFrequestr   r"   r   c                   s   d
fdd dfddd fd	d
}	 | z  I d H }|dd }|d dkr@|d ur@ I d H }W n tjyZ   d urVdjpUjtdw |d dkscJ dfdd}t|d | |d}|d |_	|S )Nr"   r   c               	     s     r	ddiS t 4 I d H   d	 fdd}  | j | I d H }W d   I d H  n1 I d H s7w   Y    rDddiS |S )
Nr#   r$   funcCallable[[], Awaitable[T]]r"   r   c                   s   |  I d H } j   |S r;   )Zcancel_scopecancel)r@   result
task_groupr    r!   wrapw   s   
z[BaseHTTPMiddleware.__call__.<locals>.call_next.<locals>.receive_or_disconnect.<locals>.wrap)r@   rA   r"   r   )is_setanyiocreate_task_group
start_soonwait)rF   message)response_sentr/   rD   r!   receive_or_disconnectq   s   (
zMBaseHTTPMiddleware.__call__.<locals>.call_next.<locals>.receive_or_disconnectrL   r:   c                   s0   z  | I d H  W d S  tjy   Y d S w r;   )r=   rH   ZBrokenResourceError)rL   )send_streamr    r!   send_no_error   s   zEBaseHTTPMiddleware.__call__.<locals>.call_next.<locals>.send_no_errorc                    s~   2 z I d H  W n ty$ }  z|  W Y d } ~ nd } ~ ww W d    d S W d    d S 1 s8w   Y  d S r;   )r7   	Exception)exc)app_excrN   r   r   rP   rO   r    r!   coro   s   "z<BaseHTTPMiddleware.__call__.<locals>.call_next.<locals>.coroinfor#   http.response.debugTzNo response returned.http.response.startBodyStreamGeneratorc                   st    2 z33 d H W } | d dkr| V   d S | d dks"J d|  |  dd}|r-|V  |  dds6 d S q6 d S )	Nr#   zhttp.response.pathsendhttp.response.bodyzUnexpected message: r'   r)   r(   F)get)rL   r'   )recv_streamr    r!   body_stream   s   zCBaseHTTPMiddleware.__call__.<locals>.call_next.<locals>.body_streamstatus)status_codecontentrU   headersr0   )rL   r   r"   r:   )r"   r:   )r"   rX   )
rJ   r   rZ   rH   ZEndOfStream	__cause____context__r*   _StreamingResponseraw_headers)r?   rT   rL   rU   r\   response	rS   Zexception_already_raisedr[   rM   r   r   rO   rE   r/   )rN   rP   r!   	call_nextp   s,   
	

z.BaseHTTPMiddleware.__call__.<locals>.call_next)r?   r   r"   r   )r7   r   r/   rH   EventZcreate_memory_object_streamr   rI   r<   setclose)r   r   r   r=   r?   rg   streamsre   r    rf   r!   __call__e   s8   
M
(  zBaseHTTPMiddleware.__call__r?   r   rg   RequestResponseEndpointr   c                   s   t  r;   )NotImplementedError)r   r?   rg   r    r    r!   r8      s   zBaseHTTPMiddleware.dispatchr;   )r7   r   r8   r9   r"   r:   r   r   r   r   r=   r   r"   r:   )r?   r   rg   rm   r"   r   )r1   r2   r3   r   rl   r8   r    r    r    r!   r6   `   s    
cr6   c                   @  s*   e Zd Z				ddddZdddZdS )rc      Nr_   AsyncContentStreamr^   intr`   Mapping[str, str] | None
media_type
str | NonerU   Mapping[str, Any] | Noner"   r:   c                 C  s,   || _ || _|| _|| _| | d | _d S r;   )rU   body_iteratorr^   rt   Zinit_headers
background)r   r_   r^   r`   rt   rU   r    r    r!   r      s   

z_StreamingResponse.__init__r   r   r   r   r=   r   c                   s   | j d ur|d| j dI d H  |d| j| jdI d H  d}| j2 z 3 d H W }t|tr8d}||I d H  q#|d|ddI d H  q#6 |rR|dd	ddI d H  | jr^|  I d H  d S d S )
NrV   )r#   rU   rW   )r#   r]   r`   TFrY   r&   r)   )rU   r^   rd   rw   
isinstancedictrx   )r   r   r   r=   Zshould_close_bodyr.   r    r    r!   rl      s,   


z_StreamingResponse.__call__)rp   NNN)r_   rq   r^   rr   r`   rs   rt   ru   rU   rv   r"   r:   ro   )r1   r2   r3   r   rl   r    r    r    r!   rc      s    rc   )%
__future__r   collections.abcr   r   r   r   r   r   typingr	   r
   rH   Zstarlette._utilsr   Zstarlette.requestsr   r   Zstarlette.responsesr   Zstarlette.typesr   r   r   r   r   rm   ZDispatchFunctionbytesstrrX   
memoryviewrq   r   r   r6   rc   r    r    r    r!   <module>   s      Ll