o
    i                     @   s   d 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mZ ddl	m
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 dd	lmZ d
dlmZ d
dlmZ d
dlmZ d
dlmZ d
dl m!Z! G dd deZ"dS )z2 A session for managing a language server process
    N)copy)datetimetimezone)IOLoop)Queue)WebSocketHandler)BunchInstanceSetUnicodeUseEnumobserve)LoggingConfigurable   )stdio)LANGUAGE_SERVER_SPEC)censored_spec)Schema)SessionStatusc                       sH  e Zd ZdZeddZeeZe	e
jdddZe	ejdddZe	ejdddZe	ed	ddZe	ed
ddZee	eg ddZeeejdZe	eddZe	eddZdZddgZ  fddZ!dd Z"dd Z#dd Z$dd Z%e&dde'fddZ(d d! Z)d"d# Z*d$d% Z+d&d' Z,d(d) Z-d*d+ Z.d,d- Z/d.d/ Z0d0d1 Z1d2d3 Z2  Z3S )4LanguageServerSessionz6Manage a session for a connection to a language serverz'the language server implementation name)helpzthe language server subprocessT)r   
allow_nonezthe JSON-RPC writerzthe JSON-RPC readerz+a queue for string messages from the serverz(a queue for string message to the serverz#the currently subscribed websockets)traitdefault_valuer   )r   )r   Nargv
debug_argvc                    s"   t  j|i | t| j dS )z=set up the required traitlets and exit behavior for a sessionN)super__init__atexitregisterstop)selfargskwargs	__class__ N/var/www/edux/Edux_v2/venv/lib/python3.10/site-packages/jupyter_lsp/session.pyr   7   s   zLanguageServerSession.__init__c                 C   s   dj dd| ji| jS )NzG<LanguageServerSession(language_server={language_server}, argv={argv})>language_serverr&   )formatr(   specr!   r&   r&   r'   __repr__<   s   zLanguageServerSession.__repr__c                 C   sB   t t| j| jj| jr| j nd | jr| j nd t| j	dS )N)handler_countstatuslast_server_message_atlast_handler_message_atr*   )
dictlenhandlersr.   valuer/   	isoformatr0   r   r*   r+   r&   r&   r'   to_jsonA   s   zLanguageServerSession.to_jsonc                    sd   |    tj| _|   |   |   |   t	   fdd| j
| j| jfD | _tj| _dS )z((re)initialize a language server sessionc                    s   g | ]}  | qS r&   )create_task).0coroloopr&   r'   
<listcomp>X   s    
z4LanguageServerSession.initialize.<locals>.<listcomp>N)r    r   STARTINGr.   init_queuesinit_processinit_writerinit_readerasyncioget_event_loop	_read_lsp
_write_lsp_broadcast_from_lsp_tasksSTARTEDr+   r&   r:   r'   
initializeN   s   
z LanguageServerSession.initializec                 C   sl   t j| _| jr| j  d| _| jr| j  d| _| jr%| j  d| _| jr0dd | jD  t j	| _dS )z(clean up all of the state of the sessionNc                 S   s   g | ]}|  qS r&   )cancel)r8   taskr&   r&   r'   r<   o   s    z.LanguageServerSession.stop.<locals>.<listcomp>)
r   STOPPINGr.   process	terminatereaderclosewriterrG   STOPPEDr+   r&   r&   r'   r    _   s   


zLanguageServerSession.stopr3   changec                 C   s<   |d r| j s|   dS |d s| j r|   dS dS dS )z?re-initialize if someone starts listening, or stop if nobody isnewN)rM   rI   r    )r!   rS   r&   r&   r'   _on_handlerss   s
   z"LanguageServerSession._on_handlersc                 C   s"   |   | _t | jj| dS )z9wrapper around the write queue to keep it mostly internalN)nowr0   r   currentadd_callbackto_lsp
put_nowaitr!   messager&   r&   r'   write{   s   
zLanguageServerSession.writec                 C   s   t tjS N)r   rV   r   utcr+   r&   r&   r'   rV      s   zLanguageServerSession.nowc              
   C   s8   t j| jd t jt j| | jdi tjdd| _dS )z$start the language server subprocessr   envr   )stdinstdoutr`   bufsizeN)	
subprocessPopenr*   PIPEsubstitute_envgetosenvironrM   r+   r&   r&   r'   r?      s   z"LanguageServerSession.init_processc                 C   s   t  | _t  | _dS )zcreate the queuesN)r   from_lsprY   r+   r&   r&   r'   r>      s   z!LanguageServerSession.init_queuesc                 C      t j| jj| j| d| _dS )z3create the stdout reader (from the language server)streamqueueparentN)r   LspStdIoReaderrM   rb   rk   rO   r+   r&   r&   r'   rA         z!LanguageServerSession.init_readerc                 C   rl   )z0create the stdin writer (to the language server)rm   N)r   LspStdIoWriterrM   ra   rY   rQ   r+   r&   r&   r'   r@      rr   z!LanguageServerSession.init_writerc                 C   s:   t tj}| D ]\}}||t||i q	|S r^   )r   ri   rj   itemsupdatestringTemplatesafe_substitute)r!   r`   base	final_envkeyr4   r&   r&   r'   rg      s   
z$LanguageServerSession.substitute_envc                       | j  I d H  d S r^   )rO   readr+   r&   r&   r'   rD         zLanguageServerSession._read_lspc                    r|   r^   )rQ   r]   r+   r&   r&   r'   rE      r~   z LanguageServerSession._write_lspc                    sD   | j 2 z3 dH W }|  | _| j|| I dH  | j   q6 dS )z^loop for reading messages from the queue of messages from the language
        server
        N)rk   rV   r/   rp   on_server_message	task_doner[   r&   r&   r'   rF      s   
z)LanguageServerSession._broadcast_from_lsp)4__name__
__module____qualname____doc__r   r(   r   r   r*   r	   rd   re   rM   r   rs   rQ   rq   rO   r   rk   rY   r
   r   r3   r   r   NOT_STARTEDr.   r   r0   r/   rG   _skip_serializer   r,   r6   rI   r    r   r   rU   r]   rV   r?   r>   rA   r@   rg   rD   rE   rF   __classcell__r&   r&   r$   r'   r      sT    

r   )#r   rB   r   ri   rv   rd   r   r   r   tornado.ioloopr   tornado.queuesr   tornado.websocketr   	traitletsr   r	   r
   r   r   r   traitlets.configr    r   schemar   specs.utilsr   trait_typesr   typesr   r   r&   r&   r&   r'   <module>   s&     