U
    e                     @  s   d dl mZ d dlZd dlZd dlZd dlZd dlZd dlm	Z	 d dl
mZ d dlmZmZmZmZmZmZmZmZmZmZmZmZ dddd	d
ddZG dd dZG dd dZzd dlmZ W n ek
r   eZY nX dS )    )annotationsN)deque)Iterable)ASGIReceiveCallableASGIReceiveEventASGISendCallableASGISendEventEnvironExcInfoHTTPRequestEventHTTPResponseBodyEventHTTPResponseStartEvent	HTTPScopeStartResponseWSGIAppr   r   z
io.BytesIOr	   )scopemessagebodyreturnc                 C  sf  |  dddd}| d dd}||rF|t|d }| d ||| d d	d
| d  d|  dd|tjdddd}|  d}|dkrd}|d |d< |d |d< |  d}|dk	r|d |d< |  dg D ]\}}	|d}
|
dkrd}n$|
dkrd}nd|
 d d! }|	d}||krX|| }t	|t
sLt|d" | }|||< q|S )#zH
    Builds a scope and request message into a WSGI environ object.
    	root_path utf8latin1pathNmethodZquery_stringasciizHTTP/%shttp_version)   r   schemehttpTF)REQUEST_METHODZSCRIPT_NAMEZ	PATH_INFOQUERY_STRINGZSERVER_PROTOCOLzwsgi.versionzwsgi.url_schemez
wsgi.inputzwsgi.errorszwsgi.multithreadzwsgi.multiprocesszwsgi.run_onceserver)	localhostP   r   ZSERVER_NAMEr   ZSERVER_PORTclientZREMOTE_ADDRheaderszcontent-lengthCONTENT_LENGTHzcontent-typeCONTENT_TYPEzHTTP_%s-_,)getencodedecode
startswithlensysstdoutupperreplace
isinstancestrAssertionError)r   r   r   script_nameZ	path_infoenvironr"   r%   namevalueZname_strZcorrected_nameZ	value_strZcorrected_name_environ r<   ;/tmp/pip-unpacked-wheel-cq1xfpla/uvicorn/middleware/wsgi.pybuild_environ   sN    









r>   c                   @  s2   e Zd ZddddddZddd	d
dddZdS )_WSGIMiddleware
   r   int)appworkersc                 C  s&   t dt || _tjj|d| _d S )NzgUvicorn's native WSGI implementation is deprecated, you should switch to a2wsgi (`pip install a2wsgi`).)max_workers)warningswarnDeprecationWarningrB   
concurrentZfuturesZThreadPoolExecutorexecutor)selfrB   rC   r<   r<   r=   __init__S   s    z_WSGIMiddleware.__init__r   r   r   None)r   receivesendr   c                   s4   |d dkst t| j| j|}|||I d H  d S )Ntyper   )r7   WSGIResponderrB   rI   )rJ   r   rM   rN   instancer<   r<   r=   __call__\   s    z_WSGIMiddleware.__call__N)r@   )__name__
__module____qualname__rK   rR   r<   r<   r<   r=   r?   R   s   	r?   c                   @  sh   e Zd ZddddddZddd	d
ddZdd	dddZddddd	dddZddd	dddZdS )rP   r   z%concurrent.futures.ThreadPoolExecutorr   )rB   rI   r   c                 C  sJ   || _ || _|| _d | _d | _t | _t | _	t
 | _d| _d | _d S )NF)rB   rI   r   statusresponse_headersasyncioEvent
send_eventr   
send_queueget_event_looploopresponse_startedexc_info)rJ   rB   rI   r   r<   r<   r=   rK   h   s    

zWSGIResponder.__init__r   r   rL   )rM   rN   r   c           
   
     s(  | I d H }t |dd}|dd}|rv|dt j |rl| I d H }||dd |dd}q<|d t| j||}t	 | _
| j
| j| j|| j}| j
| |}	zt|d I d H  W 5 | jd  | j  t|	d I d H  X | jd k	r$| jd | jd | jd d S )Nr       	more_bodyFr   r      )ioBytesIOr,   seekSEEK_ENDwriter>   r   rX   r\   r]   Zrun_in_executorrI   wsgistart_responseZcreate_tasksenderr[   appendrZ   setwait_forr_   with_traceback)
rJ   rM   rN   r   r   ra   Zbody_messager9   rh   rj   r<   r<   r=   rR   y   s,    



zWSGIResponder.__call__)rN   r   c                   sL   | j r,| j  }|d krd S ||I d H  q | j I d H  | j  q d S )N)r[   popleftrZ   waitclear)rJ   rN   r   r<   r<   r=   rj      s    
zWSGIResponder.senderNr6   zIterable[tuple[str, str]]zExcInfo | None)rV   rW   r_   r   c           	      C  sd   || _ | js`d| _|dd\}}t|}dd |D }d||d}| j| | j| jj	 d S )NT r   c                 S  s$   g | ]\}}| d | d fqS )r   )r-   ).0r:   r;   r<   r<   r=   
<listcomp>   s     z0WSGIResponder.start_response.<locals>.<listcomp>zhttp.response.start)rO   rV   r&   )
r_   r^   splitrA   r[   rk   r]   call_soon_threadsaferZ   rl   )	rJ   rV   rW   r_   Zstatus_code_strr*   status_coder&   Zhttp_response_start_eventr<   r<   r=   ri      s    zWSGIResponder.start_responser	   r   )r9   ri   r   c                 C  sf   |  ||D ],}d|dd}| j| | j| jj qdddd}| j| | j| jj d S )Nzhttp.response.bodyT)rO   r   ra   r`   F)rB   r[   rk   r]   rv   rZ   rl   )rJ   r9   ri   chunkZresponse_bodyZ
empty_bodyr<   r<   r=   rh      s    zWSGIResponder.wsgi)N)rS   rT   rU   rK   rR   rj   ri   rh   r<   r<   r<   r=   rP   g   s    rP   )WSGIMiddleware)
__future__r   rX   concurrent.futuresrH   rc   r1   rE   collectionsr   typingr   Zuvicorn._typesr   r   r   r   r	   r
   r   r   r   r   r   r   r>   r?   rP   Za2wsgiry   ModuleNotFoundErrorr<   r<   r<   r=   <module>   s   87^