o
    tf                     @   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)Ztraitdefault_valuer   )r   )r   NargvZ
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__ \/var/www/html/software/conda/envs/catlas/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$   __repr__<   s   zLanguageServerSession.__repr__c                 C   sB   t t| j| jj| jr| j nd | jr| j nd t| j	dS )N)Zhandler_countstatuslast_server_message_atlast_handler_message_atr'   )
dictlenhandlersr*   valuer+   	isoformatr,   r   r'   r(   r#   r#   r$   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$   
<listcomp>\   s    
z4LanguageServerSession.initialize.<locals>.<listcomp>N)r   r   ZSTARTINGr*   init_queuesinit_processinit_writerinit_readerasyncioget_event_loop	_read_lsp
_write_lsp_broadcast_from_lsp_tasksZSTARTEDr(   r#   r6   r$   
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)r4   taskr#   r#   r$   r8   s   s    z.LanguageServerSession.stop.<locals>.<listcomp>)
r   ZSTOPPINGr*   process	terminatereaderclosewriterrB   ZSTOPPEDr(   r#   r#   r$   r   c   s   


zLanguageServerSession.stopr/   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)rF   rC   r   )r   rK   r#   r#   r$   _on_handlersw   s
   z"LanguageServerSession._on_handlersc                 C   s"   |   | _t | jj| dS )z9wrapper around the write queue to keep it mostly internalN)nowr,   r   currentZadd_callbackto_lsp
put_nowaitr   messager#   r#   r$   write   s   
zLanguageServerSession.writec                 C   s   t tjS N)r   rN   r   utcr(   r#   r#   r$   rN      s   zLanguageServerSession.nowc              
   C   s8   t j| jd t jt j| | jdi tjdd| _dS )z$start the language server subprocessr   envr   )stdinstdoutrW   bufsizeN)	
subprocessPopenr'   PIPEsubstitute_envgetosenvironrF   r(   r#   r#   r$   r:      s   z"LanguageServerSession.init_processc                 C   s   t  | _t  | _dS )zcreate the queuesN)r   from_lsprP   r(   r#   r#   r$   r9      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   LspStdIoReaderrF   rY   rb   rH   r(   r#   r#   r$   r<         z!LanguageServerSession.init_readerc                 C   rc   )z0create the stdin writer (to the language server)rd   N)r   LspStdIoWriterrF   rX   rP   rJ   r(   r#   r#   r$   r;      ri   z!LanguageServerSession.init_writerc                 C   s8   |  }| D ]\}}||t||i q|S rU   )copyitemsupdatestringTemplatesafe_substitute)r   rW   baseZ	final_envkeyr0   r#   r#   r$   r^      s   z$LanguageServerSession.substitute_envc                       | j  I d H  d S rU   )rH   readr(   r#   r#   r$   r?         zLanguageServerSession._read_lspc                    rs   rU   )rJ   rT   r(   r#   r#   r$   r@      ru   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)rb   rN   r+   rg   Zon_server_message	task_donerR   r#   r#   r$   rA      s   
z)LanguageServerSession._broadcast_from_lsp)4__name__
__module____qualname____doc__r
   r%   r   r   r'   r   r[   r\   rF   r   rj   rJ   rh   rH   r   rb   rP   r	   r   r/   r   r   ZNOT_STARTEDr*   r   r,   r+   rB   Z_skip_serializer   r)   r2   rC   r   r   r   rM   rT   rN   r:   r9   r<   r;   r^   r?   r@   rA   __classcell__r#   r#   r!   r$   r      sT    

r   )"rz   r=   r   r`   rn   r[   r   r   Ztornado.ioloopr   Ztornado.queuesr   Ztornado.websocketr   Z	traitletsr   r   r	   r
   r   r   Ztraitlets.configr    r   Zschemar   Zspecs.utilsr   Ztrait_typesr   typesr   r   r#   r#   r#   r$   <module>   s$     