Doc/lib/libmain.tex

   1 \section{\module{__main__} ---
   2          Top-level script environment}
   3
   4 \declaremodule[main]{builtin}{__main__}
   5 \modulesynopsis{The environment where the top-level script is run.}
   6
   7 This module represents the (otherwise anonymous) scope in which the
   8 interpreter's main program executes --- commands read either from
   9 standard input, from a script file, or from an interactive prompt.  It
  10 is this environment in which the idiomatic ``conditional script''
  11 stanza causes a script to run:
  12
  13 \begin{verbatim}
  14 if __name__ == "__main__":
  15     main()
  16 \end{verbatim}