Poetry | RuntimeError: No python executable found in shell environment. Tried: ['python3', 'python', 'py.exe -3', 'py.exe -2']

• I am on the latest Poetry version.

• I have searched the issues of this repo and believe that this is not a duplicate.

• If an exception occurs when executing a command, I executed it again in debug mode (-vvv option).

• OS version and name: Windows 10

• Poetry version: 1.1.13

• Link of a Gist with the contents of your pyproject.toml file: gist

Issue

HDS+dabell@PF2DCSXD MINGW64 ~/Anaconda3
$ curl -sSL https://raw.githubusercontent.com/python-poetry/poetry/master/get-poetry.py | python
Retrieving Poetry metadata

This installer is deprecated. Poetry versions installed using this script will not be able to use 'self update' command to upgrade to 1.2.0a1 or later.
# Welcome to Poetry!

This will download and install the latest version of Poetry,
a dependency and package manager for Python.

It will add the `poetry` command to Poetry's bin directory, located at:

%USERPROFILE%\.poetry\bin

This path will then be added to your `PATH` environment variable by
modifying the `HKEY_CURRENT_USER/Environment/PATH` registry key.

You can uninstall at any time by executing this script with the --uninstall option,
and these changes will be reverted.

Installing version: 1.1.13
  - Downloading poetry-1.1.13-win32.tar.gz (71.14MB)
Traceback (most recent call last):
  File "<stdin>", line 1118, in <module>
  File "<stdin>", line 1114, in main
  File "<stdin>", line 362, in run
  File "<stdin>", line 556, in install
  File "<stdin>", line 704, in make_bin
  File "<stdin>", line 693, in _which_python
RuntimeError: No python executable found in shell environment. Tried: ['python3', 'python', 'py.exe -3', 'py.exe -2']

So, I went into Anaconda3, duplicated python.exe, renaming it python3.exe:

HDS+dabell@PF2DCSXD MINGW64 ~/Anaconda3
$ curl -sSL https://raw.githubusercontent.com/python-poetry/poetry/master/get-poetry.py | python3
bash: python3: command not found
curl: (23) Failure writing output to destination
(base)
HDS+dabell@PF2DCSXD MINGW64 ~/Anaconda3
$ curl -sSL https://raw.githubusercontent.com/python-poetry/poetry/master/get-poetry.py | python3
Retrieving Poetry metadata

This installer is deprecated. Poetry versions installed using this script will not be able to use 'self update' command to upgrade to 1.2.0a1 or later.
Latest version already installed.
(base)
HDS+dabell@PF2DCSXD MINGW64 ~

HDS+dabell@PF2DCSXD MINGW64 ~/Documents/GitHub/lumada-catalog/synthetic-data-gen (daniel_sims)
$ curl -sSL https://raw.githubusercontent.com/python-poetry/poetry/master/get-poetry.py | python3
Retrieving Poetry metadata

This installer is deprecated. Poetry versions installed using this script will not be able to use 'self update' command to upgrade to 1.2.0a1 or later.
Latest version already installed.
(base)
HDS+dabell@PF2DCSXD MINGW64 ~/Documents/GitHub/lumada-catalog/synthetic-data-gen (daniel_sims)
$ poetry install
bash: poetry: command not found
(base)

I then tried Powershell:

PS C:\Users\dabell> (Invoke-WebRequest -Uri https://install.python-poetry.org -UseBasicParsing).Content | python3       Retrieving Poetry metadata

# Welcome to Poetry!

This will download and install the latest version of Poetry,
a dependency and package manager for Python.

It will add the `poetry` command to Poetry's bin directory, located at:

C:\Users\dabell\AppData\Roaming\Python\Scripts

You can uninstall at any time by executing this script with the --uninstall option,
and these changes will be reverted.

Installing Poetry (1.1.13)
Installing Poetry (1.1.13): Creating environment
Installing Poetry (1.1.13): Installing Poetry
Installing Poetry (1.1.13): Creating script
Installing Poetry (1.1.13): Done

Poetry (1.1.13) is installed now. Great!

To get started you need Poetry's bin directory (C:\Users\dabell\AppData\Roaming\Python\Scripts) in your `PATH`
environment variable.

Alternatively, you can call Poetry explicitly with `C:\Users\dabell\AppData\Roaming\Python\Scripts\poetry`.

You can test that everything is set up by executing:

`poetry --version`

PS C:\Users\dabell> poetry --version
poetry : The term 'poetry' is not recognized as the name of a cmdlet, function, script file, or operable program.
Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
At line:1 char:1
+ poetry --version
+ ~~~~~~
    + CategoryInfo          : ObjectNotFound: (poetry:String) [], CommandNotFoundException
    + FullyQualifiedErrorId : CommandNotFoundException

[dimbleby]

I have no idea, I have never installed poetry on windows. All that I have done for you is read the logs that you were not reading.

Good luck!

[neersighted]

Anaconda is not officially supported by the virtualenv module on Windows – while I have had it work in trivial scenarios, it simply isn’t compatible in all the ways expected (e.g. providing the py.exe launcher) of a Windows Python distribution. A Windows expert could likely spend time figuring out why and working around it, but for now Poetry depends on standard interfaces to interact with Python on Windows and doesn’t do any special-casing needed for Anaconda.

You could open a new issue as a feature request for Anaconda support, and PRs are always welcome if someone wants to start working on a compatibility layer ahead of discussion in an issue.