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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)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/home/ubuntu/hpml_nyu/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.   	isoformatr/   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>\   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%   r9   r&   
initializeR   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)r7   taskr%   r%   r&   r;   s   s    z.LanguageServerSession.stop.<locals>.<listcomp>)
r   STOPPINGr-   process	terminatereaderclosewriterrF   STOPPEDr*   r%   r%   r&   r   c   s   


zLanguageServerSession.stopr2   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)rL   rH   r   )r    rR   r%   r%   r&   _on_handlersw   s
   z"LanguageServerSession._on_handlersc                 C   s"   |   | _t | jj| dS )z9wrapper around the write queue to keep it mostly internalN)nowr/   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   rU   r   utcr*   r%   r%   r&   rU      s   zLanguageServerSession.nowc              
   C   s8   t j| jd t jt j| | jdi tjdd| _dS )z$start the language server subprocessr   envr   )stdinstdoutr_   bufsizeN)	
subprocessPopenr)   PIPEsubstitute_envgetosenvironrL   r*   r%   r%   r&   r>      s   z"LanguageServerSession.init_processc                 C   s   t  | _t  | _dS )zcreate the queuesN)r   from_lsprX   r*   r%   r%   r&   r=      s   z!LanguageServerSession.init_queuesc                 C      t j| jj| j| d| _dS )z3create the stdout reader (from the language server)streamqueueparentN)r   LspStdIoReaderrL   ra   rj   rN   r*   r%   r%   r&   r@         z!LanguageServerSession.init_readerc                 C   rk   )z0create the stdin writer (to the language server)rl   N)r   LspStdIoWriterrL   r`   rX   rP   r*   r%   r%   r&   r?      rq   z!LanguageServerSession.init_writerc                 C   s8   |  }| D ]\}}||t||i q|S r]   )copyitemsupdatestringTemplatesafe_substitute)r    r_   base	final_envkeyr3   r%   r%   r&   rf      s   z$LanguageServerSession.substitute_envc                       | j  I d H  d S r]   )rN   readr*   r%   r%   r&   rC         zLanguageServerSession._read_lspc                    r|   r]   )rP   r\   r*   r%   r%   r&   rD      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)rj   rU   r.   ro   on_server_message	task_donerZ   r%   r%   r&   rE      s   
z)LanguageServerSession._broadcast_from_lsp)4__name__
__module____qualname____doc__r
   r'   r   r   r)   r   rc   rd   rL   r   rr   rP   rp   rN   r   rj   rX   r	   r   r2   r   r   NOT_STARTEDr-   r   r/   r.   rF   _skip_serializer   r+   r5   rH   r   r   r   rT   r\   rU   r>   r=   r@   r?   rf   rC   rD   rE   __classcell__r%   r%   r#   r&   r      sT    

r   )"r   rA   r   rh   rv   rc   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$     