o iv@sdZddlZddlZddlZddlmZddlmZmZm Z ddl m Z ddl m Z ddlmZddlmZdd lmZdd lmZmZmZdd lmZd d lmZGdddeZGdddeZGdddeZdS)a Language Server stdio-mode readers Parts of this code are derived from: > https://github.com/palantir/python-jsonrpc-server/blob/0.2.0/pyls_jsonrpc/streams.py#L83 # noqa > https://github.com/palantir/python-jsonrpc-server/blob/45ed1931e4b2e5100cc61b3992c16d6f68af2e80/pyls_jsonrpc/streams.py # noqa > > MIT License https://github.com/palantir/python-jsonrpc-server/blob/0.2.0/LICENSE > > Copyright 2018 Palantir Technologies, Inc. N)ThreadPoolExecutor)ListOptionalText)run_on_executor)convert_yielded) HTTPHeaders)IOLoop)Queue)FloatInstancedefault)LoggingConfigurable)make_non_blockingcsNeZdZdZdZeejddZee ddZ ddZ fdd Z d d Z ZS) LspStdIoBasezGNon-blocking, queued base for communicating with stdio Language ServersNzthe stream to read/writehelpzqueue to get/putcCsd|jj|jS)Nz<{}(parent={})>)format __class____name__parentselfrL/var/www/edux/Edux_v2/venv/lib/python3.10/site-packages/jupyter_lsp/stdio.py__repr__&szLspStdIoBase.__repr__c s0tjdi||jd|tdd|_dS)Nz%s initializedr) max_workersr)super__init__logdebugrexecutor)rkwargsrrrr)szLspStdIoBase.__init__cCs|j|jd|dS)Nz %s closed)streamcloser r!rrrrr&.s zLspStdIoBase.close)r __module__ __qualname____doc__r"r io RawIOBaser%r queuerrr& __classcell__rrr$rrs  rc@seZdZdZeddjddZedddjddZedddjddZe d d d Z d d Z ddZ dddZ ddedeefddZdefddZedefddZdS)LspStdIoReaderzLanguage Server stdio Reader Because non-blocking (but still synchronous) IO is used, rudimentary exponential backoff is used. z#maximum time to wait on idle streamrT)configg?z#minimum time to wait on idle streamz next time to wait on idle streammax_waitcCstjdkrdS|jdS)Nntg?)osnamemin_waitrrrr_default_max_wait>sz LspStdIoReader._default_max_waitcsP|jjrdSt|jd|j|_z t|jIdHWdSty'YdSw)z'Simple exponential backoff for sleepingNr2)r%closedmin next_waitr0asynciosleep Exceptionrrrrr;Bs zLspStdIoReader.sleepcCs |j|_dS)zReset the wait timeN)r5waitrrrrwakeLs zLspStdIoReader.wakereturnNc st|j|jjsWd}z"|IdH}|s|IdHWq|t|j j |Wn"t yP}z|j d||||IdHWYd}~nd}~ww|jjr dSdS)z.Read from a Language Server until it is closedNz$%s couldn't enqueue message: %s (%s))rr%r7read_oner;r>r current add_callbackr, put_nowaitr<r exception)rmessageerrrreadPs& zLspStdIoReader.readlengthc sd}g}d}||krTt||krT|dkrTd}z |j||}Wn ty*Ynw|dur;|d8}|IdHq|t|7}||||krTt||krT|dks|rud|}t||kru|jdt|d|d|d||S) aRead the full length of the message unless exceeding max_parts or max_empties empty reads occur. See https://github.com/jupyter-lsp/jupyterlab-lsp/issues/450 Crucial docs or read(): "If the argument is positive, and the underlying raw stream is not interactive, multiple raw reads may be issued to satisfy the byte count (unless EOF is reached first)" Args: - length: the content length - max_parts: prevent absurdly long messages (1000 parts is several MBs): 1 part is usually sufficient but not enough for some long messages 2 or 3 parts are often needed. Nrrz%Readout and content-length mismatch: z vs z;remaining empties: z; remaining parts: ) lenr%rGOSErrorr;appendjoinr warning)rrJ max_parts max_emptiesraw raw_parts received_sizepartrrr _read_contentfs:     zLspStdIoReader._read_contentcsd}t}t|IdH}|rS|r+|r+||t|IdH}|r+|st|dd}|rS|j|dIdH}|durK|d}|S|j d|||S)zRead a single messageNzcontent-length0)rJutf-8z&%s failed to read message of length %s) rr _readlinestrip parse_lineintgetrWdecoder rP)rrEheaderslinecontent_lengthrSrrrr@s*   zLspStdIoReader.read_onecCs,z |jdWStyYdSw)z(Read a line (or immediately return None)rZrX)r%readliner`r\rMrrrrr[s  zLspStdIoReader._readliner?N)rHrI)rr'r(r)r tagr0r5r9r r6r;r>rGr^rbytesrWrr@rr[rrrrr.3s&   -r.c@s(eZdZdZdddZedddZdS) LspStdIoWriterzLanguage Server stdio Writerr?Ncs|jjsO|jIdH}z5z|d}dt||}t||dIdHWnt y;|j d||YnwW|j n|j w|jjrdSdS)z*Write to a Language Server until it closesNrZzContent-Length: {} {}z%s couldn't write message: %s) r%r7r,r_encoderrLr _write_oner<r rD task_done)rrEbodyresponserrrwrites  zLspStdIoWriter.writecCs|j||jdS)N)r%rnflush)rrErrrrjs zLspStdIoWriter._write_onere)rr'r(r)rnrrjrrrrrhs   rh)r)r:r*r3concurrent.futuresrtypingrrrtornado.concurrentr tornado.genrtornado.httputilrtornado.ioloopr tornado.queuesr traitletsr r r traitlets.configr non_blockingrrr.rhrrrrs$