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Python Installation

Environment Creation and Library Library Installation

  1. Open a new terminal. Create a new conda environment with Python < 3.8 (Python 3.7 is recommended)

    conda create -n modgriddata python=3.7

  2. Activate the environment (i.e., conda activate modgriddata) and install the following libraries using pip:

    pip install psutil && pip install matplotlib && pip install pandas && pip install tqdm && pip install sdf && pip install pyyaml && pip install h5py && pip install EMD-signal==1.2.0

  3. Clone the GridCal repository for release 4.2.0 or later (important)

  4. Activate the conda environment where the installation will be hosted

  5. Navigate with a terminal to the GridCal repository folder

  6. Inside the GridCal main directory, go to ./src and run the following command

    python -m pip install . --use-feature=in-tree-build

Setting up the Python-Dymola and Python-OM Interfaces

OpenModelica

  1. Open a terminal and activate the conda environment where the dependencies and GridCal were set up

  2. Run the following command to install OMPython

    pip install -U https://github.com/OpenModelica/OMPython/archive/master.zip

  3. Verify the installation by running the following command in a Python terminal

    import OMPython

Dymola

  1. Navigate to the directory where the Dymola installation is located and copy the path to the dymola.egg file located inside Modelica/Libraries. Below you find two examples of such paths on both Windows and Linux (Ubuntu):

    Windows

    C:\Program Files\Dymola 2021\Modelica\Library\python_interface\dymola.egg

    Linux

    /opt/dymola-2021-x86_64/Modelica/Library/python_interface/dymola.egg

  2. Identify the folder where the Python installation of the working environment is located. A straightforward way to do so is by running the command which python. Locate the site_packages subfolder using this path. Two examples are shown below:

    Windows

    C:\Users\DeepGrid\.conda\envs\modgriddata\Lib\site-packages

    Linux

    /home/deepgrid/.conda/envs/modgriddata/lib/python3.7/site-packages

  3. Create a new file called python_interface.pth inside the site-packages directory. The contents of the file should be the absolute path to the dymola.egg file located inside the Dymola installation folder

  4. Once the file has been created, test the Dymola-Python interface installation by running the following command in a Python terminal

    from dymola.dymola_interface import *