Re: [gentoo-catalyst] Python 3 support

[W. Trevor King]

On Tue, May 21, 2013 at 12:33:28PM +0200, Dmitry Selyutin wrote:
> Even more, I'd like to avoid some generators and provide this
> support manually: I've always hated generators, especially code
> generators (and GUI ones).

Generators?  Are you referring to 2to3?  I think anyone converting a
Python project from Python 2 to Python 3 would be cray not to use it.
They'd also be crazy if they just assumed that it generated optimal
code ;).  It's best to run it, and then go double check to make sure
all the changes are meaningful.  Keep stuff like [1]:

  -                       raise CatalystError, "Could not open file " + filename
  +                       raise CatalystError("Could not open file " + filename)

but drop stuff like:

-               for x in self.values.keys():
+               for x in list(self.values.keys()):

Cheers,
Trevor

[1]: Although see 305cde6 (Massive pyflakes import cleanup and broken
     CatalystError calls, 2013-01-19) in dolsen's branch.  There will
     also be lots of `print ...` → `print(...)` changes, which are
     needed unless we replaced them with calls to a logging logger
     [2].
[2]: http://thread.gmane.org/gmane.linux.gentoo.catalyst/2085/focus=2103

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