PyConfig = object
  run_command*, run_module*, run_filename*: string
  filename*: string
  quiet*, verbose*: bool
  executable*: string
  program_name*: string
  module_search_paths*, argv*, orig_argv*: seq[Str]
  optimization_level*: int
  interactive*: bool
  site_import*: bool         ## if `import site` (no `-S` given)
  inspect*: bool

pyConfig = PyConfig(site_import: true)