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I’m trying to use conda, python with VS Code.

Everything works well in windows terminal, but after I relaunch vscode terminal, every conda commands doesn’t work on vscode terminal (except activate and deactivate).


  1. conda command works at first activation
    Fist activtion

  2. Error After Relaunch

(dl) C:Users{USERNAME}DocumentsVScode Workspacepytorch>conda env list

# >>>>>>>>>>>>>>>>>>>>>> ERROR REPORT <<<<<<<<<<<<<<<<<<<<<<

    Traceback (most recent call last):
      File "C:Users{USERNAME}anaconda3Libsite-packagescondaexception_handler.py", line 17, in __call__
        return func(*args, **kwargs)
               ^^^^^^^^^^^^^^^^^^^^^
      File "C:Users{USERNAME}anaconda3Libsite-packagescondaclimain.py", line 54, in main_subshell
        parser = generate_parser(add_help=True)
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
      File "C:Users{USERNAME}anaconda3Libsite-packagescondacliconda_argparse.py", line 127, in generate_parser
        configure_parser_plugins(sub_parsers)
      File "C:Users{USERNAME}anaconda3Libsite-packagescondacliconda_argparse.py", line 354, in configure_parser_plugins
        else set(find_commands()).difference(plugin_subcommands)
                 ^^^^^^^^^^^^^^^
      File "C:Users{USERNAME}anaconda3Libsite-packagescondaclifind_commands.py", line 71, in find_commands
        for entry in os.scandir(dir_path):
                     ^^^^^^^^^^^^^^^^^^^^
    OSError: [WinError 123]  The filename, directory name, or volume label syntax is 
incorrect: '.C:\WINDOWS\system32'

`$ C:Users{USERNAME}anaconda3Scriptsconda-script.py env list`

  environment variables:
                 CIO_TEST=<not set>
        CONDA_DEFAULT_ENV=dl
                CONDA_EXE=C:Users{USERNAME}anaconda3condabin..Scriptsconda.exe
               CONDA_EXES="C:Users{USERNAME}anaconda3condabin..Scriptsconda.exe"
             CONDA_PREFIX=C:Users{USERNAME}anaconda3envsdl
    CONDA_PROMPT_MODIFIER=(dl)
         CONDA_PYTHON_EXE=C:Users{USERNAME}anaconda3python.exe
               CONDA_ROOT=C:Users{USERNAME}anaconda3
              CONDA_SHLVL=1
           CURL_CA_BUNDLE=<not set>
                 HOMEPATH=Users{USERNAME}
               LD_PRELOAD=<not set>
                     PATH=C:Users{USERNAME}anaconda3envsdl;C:UsersLAPTOP-
                          PNEanaconda3envsdlLibrarymingw-w64bin;C:UsersLAPTOP-
                          PNEanaconda3envsdlLibraryusrbin;C:UsersLAPTOP-
                          PNEanaconda3envsdlLibrarybin;C:UsersLAPTOP-
                          PNEanaconda3envsdlScripts;C:UsersLAPTOP-
                          PNEanaconda3envsdlbin;C:Users{USERNAME}anaconda3condabin;C:WI
                          NDOWSsystem32;C:WINDOWS;C:WINDOWSSystem32Wbem;C:WINDOWSSystem32
                          WindowsPowerShellv1.0;C:WINDOWSSystem32OpenSSH;C:Program
                          FilesBandizip;C:Program FilesMicrosoft SQL
                          Server150ToolsBinn;C:Program FilesMicrosoft SQL ServerClient
                          SDKODBC170ToolsBinn;C:Program Filesdotnet;C:UsersLAPTOP-
                          PNEAppDataLocalMicrosoftWindowsApps;C:UsersLAPTOP-
                          PNE.dotnettools;C:Users{USERNAME}AppDataLocalProgramsMicrosoft
                          VS Codebin;C:Users{USERNAME}anaconda3;C:UsersLAPTOP-
                          PNEanaconda3Library;C:Users{USERNAME}anaconda3Scripts;.C:WINDOW
                          Ssystem32;C:WINDOWS;C:WINDOWSSystem32Wbem;C:WINDOWSSystem32Win
                          dowsPowerShellv1.0;C:WINDOWSSystem32OpenSSH;C:Program
                          FilesBandizip;C:Program FilesMicrosoft SQL
                          Server150ToolsBinn;C:Program FilesMicrosoft SQL ServerClient
                          SDKODBC170ToolsBinn;C:Program Filesdotnet;C:UsersLAPTOP-
                          PNEAppDataLocalMicrosoftWindowsApps;C:UsersLAPTOP-
                          PNE.dotnettools;C:Users{USERNAME}AppDataLocalProgramsMicrosoft
                          VS Codebin;C:Users{USERNAME}anaconda3;C:UsersLAPTOP-
                          PNEanaconda3Library;C:Users{USERNAME}anaconda3Scripts;
             PSMODULEPATH=C:Program FilesWindowsPowerShellModules;C:WINDOWSsystem32Windows
                          PowerShellv1.0Modules
         PYTHONIOENCODING=utf-8
         PYTHONUNBUFFERED=1
               PYTHONUTF8=1
       REQUESTS_CA_BUNDLE=<not set>
            SSL_CERT_FILE=C:Users{USERNAME}anaconda3envsdlLibrarysslcacert.pem

     active environment : dl
    active env location : C:Users{USERNAME}anaconda3envsdl
            shell level : 1
       user config file : C:Users{USERNAME}.condarc
 populated config files : C:Users{USERNAME}.condarc
          conda version : 23.7.4
    conda-build version : 3.26.1
         python version : 3.11.5.final.0
       virtual packages : __archspec=1=x86_64
                          __cuda=11.2=0
                          __win=0=0
       base environment : C:Users{USERNAME}anaconda3  (writable)
      conda av data dir : C:Users{USERNAME}anaconda3etcconda
  conda av metadata url : None
           channel URLs : https://repo.anaconda.com/pkgs/main/win-64
                          https://repo.anaconda.com/pkgs/main/noarch
                          https://repo.anaconda.com/pkgs/r/win-64
                          https://repo.anaconda.com/pkgs/r/noarch
                          https://repo.anaconda.com/pkgs/msys2/win-64
                          https://repo.anaconda.com/pkgs/msys2/noarch
          package cache : C:Users{USERNAME}anaconda3pkgs
                          C:Users{USERNAME}.condapkgs
                          C:Users{USERNAME}AppDataLocalcondacondapkgs
       envs directories : C:Users{USERNAME}anaconda3envs
                          C:Users{USERNAME}.condaenvs
                          C:Users{USERNAME}AppDataLocalcondacondaenvs
               platform : win-64
             user-agent : conda/23.7.4 requests/2.31.0 CPython/3.11.5 Windows/10 Windows/10.0.22621
          administrator : False
             netrc file : None
           offline mode : False

I think it’s conda env or python extension problem.
When conda env activated, system paths are modified appending single dot at the last of path.
And Python Extension also modify system path by appending {envPath} to it.
Concatanation of dot and envpath create an invalid path (i.e.,".C:System32")

Disabling Python Extension’s Activate Environment option could prevent error, but it also disable conda env auto activation.

Plus, I found that dot ‘.’ at the last of system path doesn’t removed after deactivate conda

>echo %PATH%
C:Users{USERNAME}anaconda3condabin; (...) C:Users{USERNAME}anaconda3Scripts;

>conda activate 
(base)>echo %PATH%
C:Users{USERNAME}anaconda3; (...) C:Users{USERNAME}anaconda3Scripts;.

(base)>conda deactivate
>echo %PATH%
C:Users{USERNAME}anaconda3condabin;  (...) C:Users{USERNAME}anaconda3Scripts;.

2

Answers


  1. This should be an error caused by a plugin, just use conda --no-plugins env list to temporarily disable the plugin.

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  2. This is a bug: A drive with the name ‘.C’ does not exist #22047.

    The fix has been made in Make sure PATH ends with a separator before prepending #22046 in the pre-release channel of the Python extension.

    Another (worse) solution: One user, kwikwag, has found a temporary workaround to put $env:Path = $env:Path.replace('.c','.;c') in their profile.ps1 file.

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