new_contents: #!/usr/bin/env python3
  import argparse
  
  from sqlalchemy import MetaData
  from sqlalchemy_schemadisplay import create_schema_graph
  
  
  def plot_schema(fn):
      graph = create_schema_graph(
          metadata=MetaData('sqlite:///'+fn),
          show_datatypes=False,
          show_indexes=False,
          rankdir='LR',
          concentrate=False
      )
      graph.write_png('dbschema.png')
  
  
  if __name__ == '__main__':
      parser = argparse.ArgumentParser(prog='Schema plotter')
      parser.add_argument('db', help='DB to plot')
      args = parser.parse_args()
      plot_schema(args.db)
  
subject: Add script from printing the DB schema