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Developing applications on your local machine is strongly recommended as it saves on headaches with using shared OPIs and allows for robust testing on a simulated machine before launching in production.

Installing PyDM

The basic steps can be found in the official documentation, but some quality of life improvements include:

  • Setting an alias in your native system to launch the pydm conda environment
    • For example, my ~/.zshrc (my Mac's default shell is zsh for some reason) has the line alias pydmenv="conda activate pydm-environment"
  • Learning how to save environment variables in your conda environment (note that you need to scroll down for Mac/linux)
    • That internal file will need the export QT_MAC_WANTS_LAYER=1 from the installation page
    • I personally also added an alias to launch designer to save keystrokes (alias designer='open $CONDA_PREFIX/bin/Designer.app')

Installing Simulacrum

These steps should all be done in your pydm conda environment unless you don't need/intend to use PyDM

  1. Run conda install --update-all --force-reinstall -y -c conda-forge bmad
  2. Run git clone git@github.com:slaclab/lcls-lattice.git
    1. This repo can live wherever, just remember where it lives
  3. Set the LCLS_LATTICE environment variable to wherever the repo in step 2 lives
  4. Run git clone git@github.com:slaclab/simulacrum.git
  5. Run python <service directory>/<service>.py for any service you want running
    1. This will eat a terminal tab. I


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