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A library for creating scripts to automate MESA and GYRE runs.

Project description

Megyr Build Status Documentation Status

Megyr is a Python library for creating scripts to automate MESA and GYRE runs over grids of parameter values. It provides a main function that you can run with a set of configuration settings to determine how to run MESA and GYRE and what values to use for the different models.

import megyr

def main():{
        "input": {
            "mesa_configs": ["inlist.mustache"],
            "gyre_config": ""
        "output": {
            "gyre_oscillations_ad_summary_file": "oscillations_ad.csv"
        "settings": {
            "mesa_star_location": "star",
            "gyre_location": "$GYRE_DIR/bin/gyre",
        "stages": {
            "mesa_params": mesa_params,
            "gyre_params": calc_gyre_params,

mesa_params = {
    "initial_mass": [1, 1.1, 1.5],
    "y": [0.25, 0.27, 0.32]

def calc_gyre_params(mesa_params, mesa_data):
    return {
        "l": [0, 1, 2],

        # Look at all the profiles that are at least 1 Gyr in age
        "profile": mesa_data[mesa_data["star_age"] > 1000000000]["profile"]

if __name__ == "__main__":

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