[Charles Cazabon] > >> Perhaps py3k could have a py2compat module. Importing it could have the > >> effect of (for instance) putting compile, id, and intern into the global > >> namespace, making print an alias for writeln, [Greg Ewing] > > There's no way importing a module could add something that > > works like the old print statement, unless some serious > > magic is going on... [Reinhold Birkenfeld] > You'd have to enclose print arguments in parentheses. Of course, the "trailing > comma" form would be lost. And good riddance! The print statement harks back to ABC and even (unvisual) Basic. Out with it! A transitional strategy could be to start designing the new API and introduce it in Python 2.x. Here's my strawman: (1) Add two new methods the the stream (file) API and extend write(): stream.write(a1, a2, ...) -- equivalent to map(stream.write, map(str, [a1, a2, ...])) stream.writeln(a1, a2, ...) -- equivalent to stream.write(a1, a2, ..., "\n") stream.writef(fmt, a1, a2, ...) -- equivalent to stream.write(fmt % (a1, a2, ...)) (2) Add builtin functions write(), writeln(), writef() that call the corresponding method on sys.stdout. (Note: these should not just be the bound methods; assignment to sys.stdout should immediately affect those, just like for print. There's an important use case for this.) -- --Guido van Rossum (home page: http://www.python.org/~guido/)
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