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Commit 6586d05

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Add script definition with dynamic dependencies downloading example
origin: https://github.com/JetBrains/kotlin/tree/master/libraries/examples/scripting/jvm-maven-deps 
1 parent 99ed79a commit 6586d05

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plugins {
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kotlin("jvm")
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}
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val kotlinVersion: String by rootProject.extra
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dependencies {
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implementation(project(":jvm:basic:jvm-maven-deps:script"))
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implementation("org.jetbrains.kotlin:kotlin-scripting-jvm-host:$kotlinVersion")
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testImplementation("junit:junit:4.12")
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}
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/*
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* Copyright 2000-2018 JetBrains s.r.o. and Kotlin Programming Language contributors.
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* Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
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*/
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package org.jetbrains.kotlin.script.examples.jvm.resolve.maven.host
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import org.jetbrains.kotlin.script.examples.jvm.resolve.maven.ScriptWithMavenDeps
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import java.io.File
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import kotlin.script.experimental.api.EvaluationResult
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import kotlin.script.experimental.api.ResultWithDiagnostics
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import kotlin.script.experimental.host.toScriptSource
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import kotlin.script.experimental.jvmhost.BasicJvmScriptingHost
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import kotlin.script.experimental.jvmhost.createJvmCompilationConfigurationFromTemplate
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fun evalFile(scriptFile: File): ResultWithDiagnostics<EvaluationResult> {
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val compilationConfiguration = createJvmCompilationConfigurationFromTemplate<ScriptWithMavenDeps>()
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return BasicJvmScriptingHost().eval(scriptFile.toScriptSource(), compilationConfiguration, null)
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}
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fun main(vararg args: String) {
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if (args.size != 1) {
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println("usage: <app> <script file>")
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} else {
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val scriptFile = File(args[0])
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println("Executing script $scriptFile")
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val res = evalFile(scriptFile)
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res.reports.forEach {
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println(" : ${it.message}" + if (it.exception == null) "" else ": ${it.exception}")
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}
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}
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}
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/*
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* Copyright 2000-2018 JetBrains s.r.o. and Kotlin Programming Language contributors.
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* Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
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*/
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package org.jetbrains.kotlin.script.examples.jvm.resolve.maven.test
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import org.jetbrains.kotlin.script.examples.jvm.resolve.maven.host.evalFile
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import org.junit.Assert
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import org.junit.Test
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import java.io.File
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import kotlin.script.experimental.api.ResultWithDiagnostics
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class ResolveTest {
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@Test
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fun testResolveJunit() {
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val res = evalFile(File("testData/hello-maven-resolve-junit.scriptwithdeps.kts"))
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Assert.assertTrue(
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"test failed:\n ${res.reports.joinToString("\n ") { it.message + if (it.exception == null) "" else ": ${it.exception}" }}",
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res is ResultWithDiagnostics.Success
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)
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}
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@Test
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fun testUnresolvedJunit() {
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val res = evalFile(File("testData/hello-unresolved-junit.scriptwithdeps.kts"))
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Assert.assertTrue(
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"test failed - expecting a failure with the message \"Unresolved reference: junit\" but received " +
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(if (res is ResultWithDiagnostics.Failure) "failure" else "success") +
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":\n ${res.reports.joinToString("\n ") { it.message + if (it.exception == null) "" else ": ${it.exception}" }}",
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res is ResultWithDiagnostics.Failure && res.reports.any { it.message.contains("Unresolved reference: junit") })
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}
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@Test
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fun testResolveError() {
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val res = evalFile(File("testData/hello-maven-resolve-error.scriptwithdeps.kts"))
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Assert.assertTrue(
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"test failed - expecting a failure with the message \"Unknown set of arguments to maven resolver: abracadabra\" but received " +
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(if (res is ResultWithDiagnostics.Failure) "failure" else "success") +
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":\n ${res.reports.joinToString("\n ") { it.message + if (it.exception == null) "" else ": ${it.exception}" }}",
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res is ResultWithDiagnostics.Failure && res.reports.any { it.message.contains("Unknown set of arguments to maven resolver: abracadabra") })
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}
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}
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@file:DependsOn("abracadabra")
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println("Hello, World!")
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@file:DependsOn("junit:junit:4.11")
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org.junit.Assert.assertTrue(true)
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println("Hello, World!")
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org.junit.Assert.assertTrue(true)
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println("Hello, World!")
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plugins {
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kotlin("jvm")
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}
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val kotlinVersion: String by rootProject.extra
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dependencies {
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implementation("org.jetbrains.kotlin:kotlin-scripting-jvm:$kotlinVersion")
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implementation("org.jetbrains.kotlin:kotlin-script-util:$kotlinVersion")
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runtimeOnly("com.jcabi:jcabi-aether:0.10.1")
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runtimeOnly("org.sonatype.aether:aether-api:1.13.1")
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runtimeOnly("org.apache.maven:maven-core:3.0.3")
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}
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/*
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* Copyright 2010-2018 JetBrains s.r.o. and Kotlin Programming Language contributors.
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* Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
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*/
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package org.jetbrains.kotlin.script.examples.jvm.resolve.maven
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import org.jetbrains.kotlin.script.util.DependsOn
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import org.jetbrains.kotlin.script.util.FilesAndMavenResolver
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import org.jetbrains.kotlin.script.util.Repository
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import java.io.File
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import kotlin.script.dependencies.ScriptContents
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import kotlin.script.dependencies.ScriptDependenciesResolver
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import kotlin.script.experimental.annotations.KotlinScript
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import kotlin.script.experimental.api.*
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import kotlin.script.experimental.jvm.JvmDependency
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import kotlin.script.experimental.jvm.compat.mapLegacyDiagnosticSeverity
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import kotlin.script.experimental.jvm.compat.mapLegacyScriptPosition
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import kotlin.script.experimental.jvm.dependenciesFromCurrentContext
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import kotlin.script.experimental.jvm.jvm
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import kotlin.script.experimental.jvm.withUpdatedClasspath
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@KotlinScript(
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fileExtension = "scriptwithdeps.kts",
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compilationConfiguration = ScriptWithMavenDepsConfiguration::class
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)
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abstract class ScriptWithMavenDeps
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object ScriptWithMavenDepsConfiguration : ScriptCompilationConfiguration(
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{
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defaultImports(DependsOn::class, Repository::class)
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jvm {
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dependenciesFromCurrentContext(
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"script", // script library jar name
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"kotlin-script-util" // DependsOn annotation is taken from script-util
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)
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}
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refineConfiguration {
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onAnnotations(DependsOn::class, Repository::class, handler = ::configureMavenDepsOnAnnotations)
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}
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}
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)
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private val resolver = FilesAndMavenResolver()
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fun configureMavenDepsOnAnnotations(context: ScriptConfigurationRefinementContext): ResultWithDiagnostics<ScriptCompilationConfiguration> {
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val annotations = context.collectedData?.get(ScriptCollectedData.foundAnnotations)?.takeIf { it.isNotEmpty() }
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?: return context.compilationConfiguration.asSuccess()
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val scriptContents = object : ScriptContents {
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override val annotations: Iterable<Annotation> = annotations
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override val file: File? = null
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override val text: CharSequence? = null
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}
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val diagnostics = arrayListOf<ScriptDiagnostic>()
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fun report(severity: ScriptDependenciesResolver.ReportSeverity, message: String, position: ScriptContents.Position?) {
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diagnostics.add(
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ScriptDiagnostic(
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message,
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mapLegacyDiagnosticSeverity(severity),
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context.script.locationId,
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mapLegacyScriptPosition(position)
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)
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)
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}
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return try {
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val newDepsFromResolver = resolver.resolve(scriptContents, emptyMap(), ::report, null).get()
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?: return context.compilationConfiguration.asSuccess(diagnostics)
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val resolvedClasspath = newDepsFromResolver.classpath.toList().takeIf { it.isNotEmpty() }
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?: return context.compilationConfiguration.asSuccess(diagnostics)
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context.compilationConfiguration.withUpdatedClasspath(resolvedClasspath).asSuccess(diagnostics)
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} catch (e: Throwable) {
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ResultWithDiagnostics.Failure(*diagnostics.toTypedArray(), e.asDiagnostics(path = context.script.locationId))
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}
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}
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‎settings.gradle.kts

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include("jvm:basic:jvm-simple-script:script")
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include("jvm:basic:jvm-simple-script:host")
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include("jvm:basic:jvm-maven-deps:script")
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include("jvm:basic:jvm-maven-deps:host")

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