octoprint-venv-tool

A tool to help with various tasks surrounding OctoPrint venvs.

Installation

Linux & other POSIX systems

curl -LO https://get.octoprint.org/octoprint-venv-tool && chmod +x octoprint-venv-tool

It should then be callable via ./octoprint-venv-tool.

Windows

curl -LO https://get.octoprint.org/octoprint-venv-tool

Then use with python octoprint-venv-tool.

Usage

usage: octoprint-venv-tool [-h] [--verbose]
                           {export-plugins,install-plugins,create-venv,recreate-venv}
                           ...

Various tools for OctoPrint's venvs

positional arguments:
  {export-plugins,install-plugins,create-venv,recreate-venv}
    export-plugins      export a list of all OctoPrint plugins installed into
                        the venv that are available on the repo.
    install-plugins     install plugins from an export into a provided venv.
    create-venv         create an OctoPrint venv, installing an optional
                        plugin export
    recreate-venv       recreate an OctoPrint venv, attempting to migrate all
                        plugins installed therein

options:
  -h, --help            show this help message and exit
  --verbose             verbose output

Also see the list of common workflows below.

`export-plugins`

Export a list of all OctoPrint plugins installed into the venv that are available on the repo.

The venv does not have to be functional for this anymore.

usage: octoprint-venv-tool export-plugins [-h] [--output OUTPUT] venv

positional arguments:
  venv                  path of the venv

options:
  -h, --help            show this help message and exit
  --output OUTPUT, -o OUTPUT
                        optional path for the export, if unset stdout will be
                        used

Example

$ ./octoprint-venv-tool export-plugins ~/oprint plugins.json

`install-plugins`

Install plugins from an export into a provided venv.

usage: octoprint-venv-tool install-plugins [-h] export venv

positional arguments:
  export      path of the export
  venv        path of the venv

options:
  -h, --help  show this help message and exit

Example

$ ./octoprint-venv-tool install-plugins ~/oprint plugins.json

`create-venv`

Create an OctoPrint venv, installing an optional plugin export.

usage: octoprint-venv-tool create-venv [-h] [--export EXPORT]
                                       [--python PYTHON]
                                       venv

positional arguments:
  venv             path of the venv

options:
  -h, --help       show this help message and exit
  --export EXPORT  path of the export, optional
  --python PYTHON  python binary to use for creating the venv, optional, if
                   not provided the version used to run the script will be
                   used

Example

$ ./octoprint-venv-tool create-venv ~/new-venv --python=/usr/bin/python3.12 --export plugins.json

`recreate-venv`

Recreate an OctoPrint venv, attempt to migrate all plugins.

The venv does not have to be functional for this anymore.

usage: octoprint-venv-tool recreate-venv [-h] [--python PYTHON] venv

positional arguments:
  venv             path of the venv

options:
  -h, --help       show this help message and exit
  --python PYTHON  python binary to use for creating the venv, optional, if
                   not provided the version used to run the script will be
                   used

Example

$ ./octoprint-venv-tool recreate-venv ~/oprint --python=/usr/bin/python3.12

Common workflows

Migrating a venv to a newer Python version

If migrating to a newer Python version, make sure you already have that installed in your system. Be aware that the tool will only support Python versions >= 3.7.

Then run

octoprint-venv-tool recreate-venv /path/to/your/venv --python /path/to/python

substituting /path/to/your/venv with the path to your OctoPrint venv and /path/to/python with the path to your python executable, e.g. /usr/bin/python3.12.

Recreating a corrupted venv

If you need to recreate a corrupted venv, it might be a good time to also update to a newer Python version. But you can also use the one you already are using. In most cases, that should be the default Python 3 version installed on your system, so something like /usr/bin/python3 on Linux and other POSIX compatible systems. You can run /usr/bin/python3 --version to verify that has at least version 3.7.

Then follow the migration steps outlined above.

Fetching an export of all of the plugins installed into the venv

Run

octoprint-venv-tool export-plugins --output plugin-export.json /path/to/venv

substituting /path/to/venv with the path to your OctoPrint venv.

That will create a plugin-export.json in your current folder that can be installed through OctoPrint's plugin manager, or via octoprint-venv-tool install-plugins.

Creating a fresh OctoPrint venv

You can also use octoprint-venv-tool to create a fresh venv with OctoPrint and optionally some plugins from a valid export already preinstalled.

For that, figure out the Python binary you want to use, then run

octoprint-venv-tool create-venv --python /path/to/python --export plugin-export.json /path/to/venv

substituting the paths accordingly.

OctoPrint/venv-tool

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