snippet     ifmain
abbr        if __name__ == '__main__': ...
alias       main
options     head
  if __name__ == '__main__':
    ${0:pass}

snippet     class
abbr        class Class(...): ...
options     head
  class ${1:#:name}(${2:object}):
    def __init__(self, ${3}):
      ${0:pass}

snippet     env
abbr        os.getenv
  os.getenv('${1:ENV_NAME}')

snippet     err
abbr        print to stderr
options     head
  print('${1}', file=sys.stderr)