Run PyMCA from a custom conda environment

run_pymca.sh

#!/bin/bash

# file: run_pymca.sh
#
# Runs PyMCA from a custom conda environment
# Creates and installs the environment if not present
# Installation can take about ten minutes (depends on workstation)

export CONDA_ENV_NAME=pymca_python3_qt5
export ACTIVATE=/APSshare/anaconda3/x86_64/bin/activate

# --------------------------------------------------------
# assumes conda version is <4.6
# for conda 4.6+, replace "source activate" with "conda activate"
source ${ACTIVATE} base

echo "Checking list of available conda environments..."
export EXISTING=`conda env list | grep ${CONDA_ENV_NAME}`
echo "existing |$EXISTING|"

if [ "${EXISTING}" = "" ]; then
    echo "Building custom conda environment: ${CONDA_ENV_NAME}"

    # next step takes a few minutes to complete
    conda create -y -n ${CONDA_ENV_NAME} python=3 qt=5
    conda activate ${CONDA_ENV_NAME}
    # next step takes a minute or two to complete
    conda install -y -c lightsource2-tag fabio silx
    # next step takes less than a minute to complete
    pip install pymca
    conda deactivate
fi

echo "Starting PyMCA (be patient, takes about a minute to start)"
conda activate ${CONDA_ENV_NAME} && pymca &


# this command removes the custom conda environment:
# conda env remove -n ${CONDA_ENV_NAME}