En Thu, 14 Feb 2008 19:09:10 -0200, <[EMAIL PROTECTED]> escribió: > Thanks for the replies, but it's not what I meant. What I want to be > able to determine is whether or not the user is running from an > interactive shell (like IPython or IDLE). Checking if > __name__=='__main__' checks if the current module is the one being > run, but suppose you have two modules A and B, with the function f > defined in module B that should print 'Interactive' or 'Module' say. > The module A just consists of: import B; B.f(). Now whenever f is > called, __name__ will not be '__main__' for it. Someone using IDLE > could write import B then B.f() too. The question is: is there a way > for f to determine if someone was using an interactive shell to call > it or if it was being called some other way. The way I came up with > works in these limited cases but won't work in a more general > situation (but perhaps there is no way for it to know in the more > general situation).
It depends on what you mean by "an interactive shell"? If you start your script with: python -i whatever.py is it an interactive shell or not? I tried these two criteria: a) See if the __main__ module has a __file__ attribute. b) See if sys.stdin is a real tty These are the results I got on Windows for several configurations: <test.py> import sys print "__main__ has __file__", hasattr(sys.modules['__main__'], '__file__') import os print "sys.stdin is a tty", hasattr(sys.stdin, "fileno") and os.isatty(sys.stdin.fileno()) </test.py> python test.py __main__ has __file__ True sys.stdin is a tty True python -i test.py __main__ has __file__ True sys.stdin is a tty True python test.py <nul >nul __main__ has __file__ True sys.stdin is a tty True python test.py <emptyfile >nul __main__ has __file__ True sys.stdin is a tty False pythonw.exe (the consoleless Python executable for Windows) __main__ has __file__ True sys.stdin is a tty False IDLE __main__ has __file__ False sys.stdin is a tty False pythonwin.exe __main__ has __file__ False sys.stdin is a tty False -- Gabriel Genellina -- http://mail.python.org/mailman/listinfo/python-list
