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Python 3 linter does not work (pylint, flake8) #482

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Python 3 linter does not work (pylint, flake8)#482
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bugIssue identified by VS Code Team member as probable bug
@aliev

Description

@aliev
aliev
opened on Dec 23, 2017

Environment data

VS Code version: 1.19.1
Python Extension version: 0.9.1
Python Version: 3.6.3
OS and version: OS X 10.11.6

Actual behavior

PyLint and Flake8 does not work. I cannot see any errors / warnings in my code even if there are syntax errors

Expected behavior

Should show errors / warnings

Steps to reproduce:

  • mkdir -p Project/python
  • mkdir -p Project/javascript
  • touch Project/python/main.py
  • virtualenv -ppython3 Project/python/.env
  • source Project/python/.env/bin/activate
  • pip install pylint flake8
  • touch Project/Project.code-workspace
  • code Project/Project.code-workspace
{
	"folders": [
		{
			"path": "python"
		},
		{
			"path": "javascript"
		}
	],
}
  • code main.py
import pylint
def name():
    pass
  • flake8 main.py
main.py:1:1: F401 'pylint' imported but unused
main.py:2:1: E302 expected 2 blank lines, found 0
main.py:3:9: W292 no newline at end of file
  • open Project/Project.code-workspace
  • Open python/main.py file
  • make any syntax errors in main.py file
  • nothing happening

VSCode settings file

{
    "editor.fontFamily": "Fira Code",
    "editor.fontSize": 13,
    "editor.fontLigatures": true,
    "python.linting.flake8Enabled": true,
    "python.linting.enabled": true,
    "editor.minimap.enabled": false,
    "files.trimTrailingWhitespace": true,
    "editor.renderWhitespace": "none",
    "editor.renderIndentGuides": true,
    "window.zoomLevel": 0,
    "window.title": "${activeEditorMedium}${separator}${rootName}",
    "files.exclude": {
        "**/.git": true,
        "**/.svn": true,
        "**/.hg": true,
        "**/CVS": true,
        "**/.DS_Store": true,
        "**/*.pyc": true,
        "**/__pycache__": true
    },
    "python.formatting.provider": "yapf",
    "editor.wordWrap": "on",
    "javascript.validate.enable": false,
    "git.autofetch": true,
    "diffEditor.renderSideBySide": false,
    "editor.stablePeek": true,
    "editor.formatOnType": true,
    "telemetry.enableCrashReporter": false,
    "workbench.startupEditor": "none",
    "gitlens.advanced.messages": {
        "suppressCommitHasNoPreviousCommitWarning": false,
        "suppressCommitNotFoundWarning": false,
        "suppressFileNotUnderSourceControlWarning": false,
        "suppressGitVersionWarning": false,
        "suppressLineUncommittedWarning": false,
        "suppressNoRepositoryWarning": false,
        "suppressUpdateNotice": false,
        "suppressWelcomeNotice": true
    },
    "explorer.confirmDelete": false,
}

Logs

Output from Python output panel

Empty

Output from Console window (Help->Developer Tools menu)

[Extension Host] debugger listening on port 9334
/Applications/Visual Studio Code.app/Contents/Resources/app/out/vs/workbench/workbench.main.js:2569 [Extension Host] debugger inspector at %cDebugger listening on port 9334.
Warning: This is an experimental feature and could change at any time.
To start debugging, open the following URL in Chrome:
    chrome-devtools://devtools/bundled/inspector.html?experiments=true&v8only=true&ws=127.0.0.1:9334/eae2819c-334a-45ac-9028-ec1e1ab7ef66

2/Applications/Visual Studio Code.app/Contents/Resources/app/out/vs/workbench/workbench.main.js:249 [Extension Host] Python Extension: documentHasJupyterCodeCells.promises Error: EISDIR: illegal operation on a directory, read
t.log @ /Applications/Visual Studio Code.app/Contents/Resources/app/out/vs/workbench/workbench.main.js:249
/Applications/Visual Studio Code.app/Contents/Resources/app/out/vs/workbench/workbench.main.js:249 [Extension Host] Failed to parse env file Error: EISDIR: illegal operation on a directory, read
	at Object.fs.readSync (fs.js:682:19)
	at tryReadSync (fs.js:480:20)
	at Object.fs.readFileSync (fs.js:517:19)
	at Object.exports.wrapFsWithAsar.fs.readFileSync (ELECTRON_ASAR.js:505:29)
	at Object.parseEnvFile (/Users/aliev/.vscode/extensions/ms-python.python-0.9.1/out/client/common/envFileParser.js:25:23)
	at Object.getCustomEnvVarsSync (/Users/aliev/.vscode/extensions/ms-python.python-0.9.1/out/client/common/utils.js:388:38)
	at JediProxy.onConfigChanged (/Users/aliev/.vscode/extensions/ms-python.python-0.9.1/out/client/providers/jediProxy.js:519:47)
	at new JediProxy (/Users/aliev/.vscode/extensions/ms-python.python-0.9.1/out/client/providers/jediProxy.js:132:14)
	at JediFactory.getJediProxyHandler (/Users/aliev/.vscode/extensions/ms-python.python-0.9.1/out/client/languageServices/jediProxyFactory.js:27:31)
	at CompletionSource.<anonymous> (/Users/aliev/.vscode/extensions/ms-python.python-0.9.1/out/client/providers/completionSource.js:91:43)
t.log @ /Applications/Visual Studio Code.app/Contents/Resources/app/out/vs/workbench/workbench.main.js:249
/Applications/Visual Studio Code.app/Contents/Resources/app/out/vs/workbench/workbench.main.js:249 [Extension Host] Failed to parse env file Error: EISDIR: illegal operation on a directory, read
	at Object.fs.readSync (fs.js:682:19)
	at tryReadSync (fs.js:480:20)
	at Object.fs.readFileSync (fs.js:517:19)
	at Object.exports.wrapFsWithAsar.fs.readFileSync (ELECTRON_ASAR.js:505:29)
	at Object.parseEnvFile (/Users/aliev/.vscode/extensions/ms-python.python-0.9.1/out/client/common/envFileParser.js:25:23)
	at Object.getCustomEnvVarsSync (/Users/aliev/.vscode/extensions/ms-python.python-0.9.1/out/client/common/utils.js:388:38)
	at JediProxy.spawnProcess (/Users/aliev/.vscode/extensions/ms-python.python-0.9.1/out/client/providers/jediProxy.js:214:51)
	at JediProxy.initialize (/Users/aliev/.vscode/extensions/ms-python.python-0.9.1/out/client/providers/jediProxy.js:177:14)
	at new JediProxy (/Users/aliev/.vscode/extensions/ms-python.python-0.9.1/out/client/providers/jediProxy.js:133:14)
	at JediFactory.getJediProxyHandler (/Users/aliev/.vscode/extensions/ms-python.python-0.9.1/out/client/languageServices/jediProxyFactory.js:27:31)
t.log @ /Applications/Visual Studio Code.app/Contents/Resources/app/out/vs/workbench/workbench.main.js:249
4/Applications/Visual Studio Code.app/Contents/Resources/app/out/vs/workbench/workbench.main.js:249 [Extension Host] Failed to parse env file Error: EISDIR: illegal operation on a directory, read
	at Object.fs.readSync (fs.js:682:19)
	at tryReadSync (fs.js:480:20)
	at Object.fs.readFileSync (fs.js:517:19)
	at Object.exports.wrapFsWithAsar.fs.readFileSync (ELECTRON_ASAR.js:505:29)
	at Object.parseEnvFile (/Users/aliev/.vscode/extensions/ms-python.python-0.9.1/out/client/common/envFileParser.js:25:23)
	at /Users/aliev/.vscode/extensions/ms-python.python-0.9.1/out/client/common/utils.js:366:42
	at Generator.next (<anonymous>)
	at fulfilled (/Users/aliev/.vscode/extensions/ms-python.python-0.9.1/out/client/common/utils.js:4:58)
	at <anonymous>
t.log @ /Applications/Visual Studio Code.app/Contents/Resources/app/out/vs/workbench/workbench.main.js:249
2/Applications/Visual Studio Code.app/Contents/Resources/app/out/vs/workbench/workbench.main.js:249 [Extension Host] rejected promise not handled within 1 second
t.log @ /Applications/Visual Studio Code.app/Contents/Resources/app/out/vs/workbench/workbench.main.js:249
/Applications/Visual Studio Code.app/Contents/Resources/app/out/vs/workbench/workbench.main.js:1225   ERR EISDIR: illegal operation on a directory, read: Error: EISDIR: illegal operation on a directory, read
2/Applications/Visual Studio Code.app/Contents/Resources/app/out/vs/workbench/workbench.main.js:249 [Extension Host] Python Extension: documentHasJupyterCodeCells.promises Error: EISDIR: illegal operation on a directory, read
t.log @ /Applications/Visual Studio Code.app/Contents/Resources/app/out/vs/workbench/workbench.main.js:249
2/Applications/Visual Studio Code.app/Contents/Resources/app/out/vs/workbench/workbench.main.js:249 [Extension Host] rejected promise not handled within 1 second
t.log @ /Applications/Visual Studio Code.app/Contents/Resources/app/out/vs/workbench/workbench.main.js:249
/Applications/Visual Studio Code.app/Contents/Resources/app/out/vs/workbench/workbench.main.js:1225   ERR EISDIR: illegal operation on a directory, read: Error: EISDIR: illegal operation on a directory, read
2/Applications/Visual Studio Code.app/Contents/Resources/app/out/vs/workbench/workbench.main.js:249 [Extension Host] Python Extension: documentHasJupyterCodeCells.promises Error: EISDIR: illegal operation on a directory, read
t.log @ /Applications/Visual Studio Code.app/Contents/Resources/app/out/vs/workbench/workbench.main.js:249
2/Applications/Visual Studio Code.app/Contents/Resources/app/out/vs/workbench/workbench.main.js:249 [Extension Host] rejected promise not handled within 1 second
t.log @ /Applications/Visual Studio Code.app/Contents/Resources/app/out/vs/workbench/workbench.main.js:249
/Applications/Visual Studio Code.app/Contents/Resources/app/out/vs/workbench/workbench.main.js:1225   ERR EISDIR: illegal operation on a directory, read: Error: EISDIR: illegal operation on a directory, read
2/Applications/Visual Studio Code.app/Contents/Resources/app/out/vs/workbench/workbench.main.js:249 [Extension Host] Python Extension: documentHasJupyterCodeCells.promises Error: EISDIR: illegal operation on a directory, read
t.log @ /Applications/Visual Studio Code.app/Contents/Resources/app/out/vs/workbench/workbench.main.js:249
2/Applications/Visual Studio Code.app/Contents/Resources/app/out/vs/workbench/workbench.main.js:249 [Extension Host] rejected promise not handled within 1 second
t.log @ /Applications/Visual Studio Code.app/Contents/Resources/app/out/vs/workbench/workbench.main.js:249
/Applications/Visual Studio Code.app/Contents/Resources/app/out/vs/workbench/workbench.main.js:1225   ERR EISDIR: illegal operation on a directory, read: Error: EISDIR: illegal operation on a directory, read

P.S. It works very well without virtual environment
P.P.S. Worked before python virtual environment of the python2.7, now it does not work as well

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