Save / load workspace

Save your lab results on this server for 48 hours. Use the token to continue on another device. Anyone who knows the token can open your workspace.

Save workspace

A name is required when you first save and is then permanently bound to this workspace. Task values, entries and progress are saved together.

Load workspace

New workspace

Start with empty results and a name of your choice. Previously saved tokens remain valid until they expire. Unsaved changes in this tab will be discarded.

Saving also transfers any included measurement files and analysis videos to this server. Running simulations are saved as a set of results and displayed in a paused state when loaded.

Importing and exporting environments

Back to the lab To the instructions

What this is about

Setting up virtual environments (VENV) allows several Python versions to be used in parallel and dependencies to be isolated completely, preventing version conflicts. Recording those dependencies in a requirements.txt file makes the installation process reproducible at any time and easy to hand on to other systems or to team members. Every project thereby gets an independent, controlled environment, which makes both development and operation lastingly stable.

Watch the screencast Script as PDF

  1. Step 1 of 4 Open the command prompt (CMD)

    Drücken Sie Win + R, geben Sie cmd and confirm with Enter.

  2. Step 2 of 4 Activate the existing environment Export from the old environment

    Change into the Scripts folder of the virtual environment you want. Then run the following command to activate the virtual environment:

    cd "C:\Users\<your User>\pythonEnv\myFirstEnv\Scripts"
    activate

    Once activated, the command line prompt shows the name of the environment in brackets, for example:

    (myFirstEnv) C:\Users\<your User>\pythonEnv\myFirstEnv\Scripts>

    This indicates that the virtual environment has been activated successfully.

  3. Step 3 of 4 Create the requirements file Export from the old environment

    Run the following command to create an installation template named my_requirements.txt for the virtual environment you activated:

    pip freeze > /pfad/zu/Ihrem/Speicherort/my_requirements.txt

  4. Step 4 of 4 Install the packages in a new environment Import into the new environment

    Create a new Python environment and follow the ‚Virtual environment (venv)‘ module to install it at the intended location.

    If several Python versions are installed on your machine and you want to create different environments with different Python versions, use the following command (the example below uses Python version 3.11):

    py -3.11 -m venv /pfad/zu/Ihrer/env/venv_name

    Then activate the virtual environment as described in step 2 and install all required packages from the file my_requirements.txt with the following command:

    Download example package list The package list from the script and screencast can be downloaded here and then used with pip install -r. requirements_onboarding.txt
    pip install -r /pfad/zu/Ihrer/my_requirements.txt

    All packages should now be installed in your newly created virtual environment. Check this by entering the following command on the command line:

    pip list

Every step of this module is also in the script and in the screencast — both are on the instructions page.

Back to the lab →