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* Fix for #262 - REPL does not start on windows * Rewrite repl manager * Accurate shutdown and restart
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116 changes: 14 additions & 102 deletions
116
src/main/kotlin/com/jetbrains/micropython/repl/MicroPythonReplManager.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,112 +1,24 @@ | ||
| package com.jetbrains.micropython.repl | ||
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|
||
| import com.intellij.openapi.components.Service | ||
| import com.intellij.openapi.module.Module | ||
| import com.jediterm.terminal.TtyConnector | ||
| import com.jetbrains.micropython.settings.MicroPythonFacet | ||
| import com.jetbrains.micropython.settings.microPythonFacet | ||
| import com.pty4j.PtyProcess | ||
| import org.jetbrains.plugins.terminal.LocalTerminalDirectRunner | ||
| import org.jetbrains.plugins.terminal.ShellStartupOptions | ||
| import com.intellij.openapi.project.Project | ||
| import com.intellij.util.messages.Topic | ||
|
|
||
| interface CommsEventListener { | ||
| fun onProcessStarted(ttyConnector: TtyConnector) | ||
| fun onProcessDestroyed() | ||
| fun onProcessCreationFailed(reason: String) | ||
| } | ||
|
|
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| @Service | ||
| class MicroPythonReplManager(module: Module) { | ||
| private val currentModule: Module = module | ||
| private var listeners: MutableList<CommsEventListener> = mutableListOf() | ||
| private var currentProcess: Process? = null | ||
| private var currentConnector: TtyConnector? = null | ||
|
|
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| companion object { | ||
| fun getInstance(module: Module): MicroPythonReplManager = | ||
| module.getService(MicroPythonReplManager::class.java) | ||
| } | ||
|
|
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| fun startREPL() { | ||
| if (isRunning) { | ||
| stopREPL() | ||
| } | ||
|
|
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| val facet = currentModule.microPythonFacet ?: return | ||
| val devicePath = facet.getOrDetectDevicePathSynchronously() | ||
|
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| if (facet.pythonPath == null) { | ||
| notifyProcessCreationFailed("Valid Python interpreter is needed to start a REPL!") | ||
| return | ||
| } | ||
|
|
||
| if (devicePath == null) { | ||
| notifyProcessCreationFailed("Device path is not specified, please check settings.") | ||
| return | ||
| } | ||
|
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| val initialShellCommand = mutableListOf( | ||
| facet.pythonPath!!, | ||
| "${MicroPythonFacet.scriptsPath}/microrepl.py", | ||
| devicePath | ||
| ) | ||
|
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| val terminalRunner = object : LocalTerminalDirectRunner(currentModule.project) { | ||
| override fun getInitialCommand(envs: MutableMap<String, String>): MutableList<String> { | ||
| return initialShellCommand | ||
| } | ||
|
|
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| fun getTtyConnector(process: PtyProcess): TtyConnector { | ||
| return this.createTtyConnector(process) | ||
| } | ||
| } | ||
|
|
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| synchronized(this) { | ||
| val terminalOptions = ShellStartupOptions.Builder() | ||
| .workingDirectory(devicePath) | ||
| .shellCommand(initialShellCommand) | ||
| .build() | ||
| val process = terminalRunner.createProcess(terminalOptions) | ||
| val ttyConnector = terminalRunner.getTtyConnector(process) | ||
|
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| currentProcess = process | ||
| currentConnector = ttyConnector | ||
| notifyProcessStarted(ttyConnector) | ||
| } | ||
| } | ||
|
|
||
| fun stopREPL() { | ||
| synchronized(this) { | ||
| currentProcess?.let { | ||
| it.destroy() | ||
| notifyProcessDestroyed() | ||
| } | ||
| currentProcess = null | ||
| } | ||
| } | ||
|
|
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| val isRunning: Boolean | ||
| get() = currentProcess?.isAlive ?: false | ||
|
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| fun addListener(listener: CommsEventListener) { | ||
| listeners.add(listener) | ||
| interface MicroPythonReplControl { | ||
| fun stopRepl() | ||
| fun startOrRestartRepl() | ||
| } | ||
|
|
||
| currentConnector?.let { listener.onProcessStarted(it) } | ||
| } | ||
| @Service(Service.Level.PROJECT) | ||
| class MicroPythonReplManager(private val project: Project) : MicroPythonReplControl { | ||
| override fun stopRepl() = | ||
| project.messageBus.syncPublisher(MICROPYTHON_REPL_CONTROL).stopRepl() | ||
|
|
||
| fun removeListener(listener: CommsEventListener) { | ||
| listeners.remove(listener) | ||
| } | ||
|
|
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| private fun notifyProcessStarted(connector: TtyConnector) { | ||
| listeners.forEach { it.onProcessStarted(connector) } | ||
| } | ||
| override fun startOrRestartRepl() = | ||
| project.messageBus.syncPublisher(MICROPYTHON_REPL_CONTROL).startOrRestartRepl() | ||
|
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| private fun notifyProcessDestroyed() { | ||
| listeners.forEach { it.onProcessDestroyed() } | ||
| } | ||
| } | ||
|
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||
| private fun notifyProcessCreationFailed(reason: String) { | ||
| listeners.forEach { it.onProcessCreationFailed(reason) } | ||
| } | ||
| } | ||
| val MICROPYTHON_REPL_CONTROL = Topic(MicroPythonReplControl::class.java) |
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