
    bi                         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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e      Z!y)z2 A session for managing a language server process
    N)datetimetimezone)IOLoop)Queue)WebSocketHandler)BunchInstanceSetUnicodeUseEnumobserve)LoggingConfigurable   )stdio)LANGUAGE_SERVER_SPEC)censored_spec)Schema)SessionStatusc                       e Zd ZdZ ed      Z ee      Z e	e
j                  dd      Z e	ej                  dd      Z e	ej                   dd      Z e	ed	d      Z e	ed
d      Z e e	e      g d      Z eeej4                        Z e	ed      Z e	ed      ZdZddgZ  fdZ!d Z"d Z#d Z$d Z% e&d      de'fd       Z(d Z)d Z*d Z+d Z,d Z-d Z.d  Z/d! Z0d" Z1d# Z2 xZ3S )$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                 b    t        |   |i | t        j                  | j                         y)z=set up the required traitlets and exit behavior for a sessionN)super__init__atexitregisterstop)selfargskwargs	__class__s      N/home/cdr/jupyterlab/.venv/lib/python3.12/site-packages/jupyter_lsp/session.pyr   zLanguageServerSession.__init__7   s%    $)&)		"    c                 R     dj                   dd| j                  i| j                  S )NzG<LanguageServerSession(language_server={language_server}, argv={argv})>language_server )formatr*   specr#   s    r'   __repr__zLanguageServerSession.__repr__<   s7    X
&D!%!5!5D9=D 	Dr(   c           	      .   t        t        | j                        | j                  j                  | j
                  r| j
                  j                         nd | j                  r| j                  j                         nd t        | j                              S )N)handler_countstatuslast_server_message_atlast_handler_message_atr-   )
dictlenhandlersr2   valuer3   	isoformatr4   r   r-   r.   s    r'   to_jsonzLanguageServerSession.to_jsonA   sx    dmm,;;$$ .. ++557 // ,,668tyy)
 	
r(   c                    | j                          t        j                  | _        | j	                          | j                          | j                          | j                          t        j                         }| j                  | j                  | j                  fD cg c]  }|j                   |              c}| _        t        j                  | _        yc c}w )z((re)initialize a language server sessionN)r"   r   STARTINGr2   init_queuesinit_processinit_writerinit_readerasyncioget_event_loop	_read_lsp
_write_lsp_broadcast_from_lspcreate_task_tasksSTARTED)r#   loopcoros      r'   
initializez LanguageServerSession.initializeR   s    		#,,%%' $:R:RS
 TV$

 $++
s   Cc                    t         j                  | _        | j                  r!| j                  j	                          d| _        | j
                  r!| j
                  j                          d| _        | j                  r!| j                  j                          d| _        | j                  r(| j                  D cg c]  }|j                          c} t         j                  | _        yc c}w )z(clean up all of the state of the sessionN)r   STOPPINGr2   process	terminatereaderclosewriterrG   cancelSTOPPED)r#   tasks     r'   r"   zLanguageServerSession.stopc   s     $,,<<LL""$DL;;KKDK;;KKDK;;'+{{3tT[[]3#++ 4s   7C'r7   changec                     |d   r| j                   s| j                          y|d   s| j                   r| j                          yyy)z?re-initialize if someone starts listening, or stop if nobody isnewN)rN   rK   r"   )r#   rV   s     r'   _on_handlersz"LanguageServerSession._on_handlersw   s8     %=OO4<<IIK $0r(   c                     | j                         | _        t        j                         j	                  | j
                  j                  |       y)z9wrapper around the write queue to keep it mostly internalN)nowr4   r   currentadd_callbackto_lsp
put_nowaitr#   messages     r'   writezLanguageServerSession.write   s1    '+xxz$%%dkk&<&<gFr(   c                 H    t        j                  t        j                        S N)r   r[   r   utcr.   s    r'   r[   zLanguageServerSession.now   s    ||HLL))r(   c                    t        j                  | j                  d   t         j                  t         j                  | j	                  | j                  j                  di       t        j                        d      | _        y)z$start the language server subprocessr   envr   )stdinstdoutrg   bufsizeN)	
subprocessPopenr-   PIPEsubstitute_envgetosenvironrN   r.   s    r'   r>   z"LanguageServerSession.init_process   sT    !''IIf//??##DIIMM%$<bjjI
r(   c                 @    t               | _        t               | _        y)zcreate the queuesN)r   from_lspr^   r.   s    r'   r=   z!LanguageServerSession.init_queues   s    gr(   c                 z    t        j                  | j                  j                  | j                  |       | _        y)z3create the stdout reader (from the language server)streamqueueparentN)r   LspStdIoReaderrN   ri   rs   rP   r.   s    r'   r@   z!LanguageServerSession.init_reader   s)    **<<&&dmmD
r(   c                 z    t        j                  | j                  j                  | j                  |       | _        y)z0create the stdin writer (to the language server)ru   N)r   LspStdIoWriterrN   rh   r^   rR   r.   s    r'   r?   z!LanguageServerSession.init_writer   s)    **<<%%T[[
r(   c                     |j                         }|j                         D ]:  \  }}|j                  |t        j                  |      j                  |      i       < |S rd   )copyitemsupdatestringTemplatesafe_substitute)r#   rg   base	final_envkeyr8   s         r'   rn   z$LanguageServerSession.substitute_env   sW    IIK	))+ 	RJCc6??5#9#I#I$#OPQ	R r(   c                 T   K   | j                   j                          d {    y 7 wrd   )rP   readr.   s    r'   rC   zLanguageServerSession._read_lsp   s     kk      (&(c                 T   K   | j                   j                          d {    y 7 wrd   )rR   rb   r.   s    r'   rD   z LanguageServerSession._write_lsp   s     kk!!!r   c                    K   | j                   2 3 d{   }| j                         | _        | j                  j	                  ||        d{    | j                   j                          ]7 X7 !6 yw)z^loop for reading messages from the queue of messages from the language
        server
        N)rs   r[   r3   rx   on_server_message	task_doner`   s     r'   rE   z)LanguageServerSession._broadcast_from_lsp   sb      "]] 	& 	&'*.((*D'++//>>>MM##%	&> +s7   A2A0A,A05A2A.A2,A0.A20A2)4__name__
__module____qualname____doc__r   r*   r   r   r-   r	   rk   rl   rN   r   r{   rR   ry   rP   r   rs   r^   r
   r   r7   r   r   NOT_STARTEDr2   r   r4   r3   rG   _skip_serializer   r/   r:   rK   r"   r   r   rY   rb   r[   r>   r=   r@   r?   rn   rC   rD   rE   __classcell__)r&   s   @r'   r   r      sO   @#LMO&'D ?DG e**1FSWXFe**1FSWXFAdH >4F '(2H
 ]-2K2KLF&xDA%h4@F|,O#
D

",",( Z5  G
*



!"&r(   r   )"r   rA   r    rp   r   rk   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'   <module>r      sN      	   ' !   . E E 0  ( &   _&/ _&r(   