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move kernel spec to its own file; add xdg-portable
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,125 @@ | ||
| /*--------------------------------------------------------------------------------------------- | ||
| * Copyright (C) 2024 Posit Software, PBC. All rights reserved. | ||
| * Licensed under the Elastic License 2.0. See LICENSE.txt for license information. | ||
| *--------------------------------------------------------------------------------------------*/ | ||
|
|
||
| import * as positron from 'positron'; | ||
| import * as vscode from 'vscode'; | ||
| import * as path from 'path'; | ||
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|
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| import { JupyterKernelSpec } from './jupyter-adapter'; | ||
| import { getArkKernelPath } from './kernel'; | ||
| import { getPandocPath } from './pandoc'; | ||
|
|
||
| /** | ||
| * Create a new Jupyter kernel spec. | ||
| * | ||
| * @param rHomePath The R_HOME path for the R version | ||
| * @param runtimeName The (display) name of the runtime | ||
| * @param sessionMode The mode in which to create the session | ||
| * | ||
| * @returns A JupyterKernelSpec definining the kernel's path, arguments, and | ||
| * metadata. | ||
| */ | ||
| export function createJupyterKernelSpec( | ||
| rHomePath: string, | ||
| runtimeName: string, | ||
| sessionMode: positron.LanguageRuntimeSessionMode): JupyterKernelSpec { | ||
|
|
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| // Path to the kernel executable | ||
| const kernelPath = getArkKernelPath(); | ||
| if (!kernelPath) { | ||
| throw new Error('Unable to find R kernel'); | ||
| } | ||
|
|
||
| // Check the R kernel log level setting | ||
| const config = vscode.workspace.getConfiguration('positron.r'); | ||
| const logLevel = config.get<string>('kernel.logLevel') ?? 'warn'; | ||
| const logLevelForeign = config.get<string>('kernel.logLevelExternal') ?? 'warn'; | ||
| const userEnv = config.get<object>('kernel.env') ?? {}; | ||
| const profile = config.get<string>('kernel.profile'); | ||
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|
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| /* eslint-disable */ | ||
| const env = <Record<string, string>>{ | ||
| 'RUST_BACKTRACE': '1', | ||
| 'RUST_LOG': logLevelForeign + ',ark=' + logLevel, | ||
| 'R_HOME': rHomePath, | ||
| ...userEnv | ||
| }; | ||
| /* eslint-enable */ | ||
|
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||
| if (profile) { | ||
| env['ARK_PROFILE'] = profile; | ||
| } | ||
|
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| if (process.platform === 'linux') { | ||
| // Workaround for | ||
| // https://github.com/posit-dev/positron/issues/1619#issuecomment-1971552522 | ||
| env['LD_LIBRARY_PATH'] = rHomePath + '/lib'; | ||
| } else if (process.platform === 'darwin') { | ||
| // Workaround for | ||
| // https://github.com/posit-dev/positron/issues/3732 | ||
| env['DYLD_LIBRARY_PATH'] = rHomePath + '/lib'; | ||
| } | ||
|
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| // Inject the path to the Pandoc executable into the environment; R packages | ||
| // that use Pandoc for rendering will need this. | ||
| // | ||
| // On MacOS, the binary path lives alongside the app bundle; on other | ||
| // platforms, it's a couple of directories up from the app root. | ||
| const pandocPath = getPandocPath(); | ||
| if (pandocPath) { | ||
| env['RSTUDIO_PANDOC'] = pandocPath; | ||
| } | ||
|
|
||
| // R script to run on session startup | ||
| const startupFile = path.join(EXTENSION_ROOT_DIR, 'resources', 'scripts', 'startup.R'); | ||
|
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| const argv = [ | ||
| kernelPath, | ||
| '--connection_file', '{connection_file}', | ||
| '--log', '{log_file}', | ||
| '--startup-file', `${startupFile}`, | ||
| '--session-mode', `${sessionMode}`, | ||
| ]; | ||
|
|
||
| // Only create profile if requested in configuration | ||
| if (profile) { | ||
| argv.push(...[ | ||
| '--profile', '{profile_file}', | ||
| ]); | ||
| } | ||
|
|
||
| argv.push(...[ | ||
| // The arguments after `--` are passed verbatim to R | ||
| '--', | ||
| '--interactive', | ||
| ]); | ||
|
|
||
| // Create a kernel spec for this R installation | ||
| const kernelSpec: JupyterKernelSpec = { | ||
| 'argv': argv, | ||
| 'display_name': runtimeName, // eslint-disable-line | ||
| 'language': 'R', | ||
| 'env': env, | ||
| }; | ||
|
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||
| // Unless the user has chosen to restore the workspace, pass the | ||
| // `--no-restore-data` flag to R. | ||
| if (!config.get<boolean>('restoreWorkspace')) { | ||
| kernelSpec.argv.push('--no-restore-data'); | ||
| } | ||
|
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||
| // If the user has supplied extra arguments to R, pass them along. | ||
| const extraArgs = config.get<Array<string>>('extraArguments'); | ||
| const quietMode = config.get<boolean>('quietMode'); | ||
| if (quietMode && extraArgs?.indexOf('--quiet') === -1) { | ||
| extraArgs?.push('--quiet'); | ||
| } | ||
| if (extraArgs) { | ||
| kernelSpec.argv.push(...extraArgs); | ||
| } | ||
|
|
||
| return kernelSpec; | ||
| } |
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