Alexander Belopolsky <[email protected]> added the comment:
Searching through tkinter for map() calls reveals many other places where map
object is returned instead of a list. For example:
def keys(self):
"""Return a list of all resource names of this widget."""
return map(lambda x: x[0][1:], ..
def pack_slaves(self):
"""Return a list of all slaves of this widget
in its packing order."""
return map(self._nametowidget, ..
def place_slaves(self):
"""Return a list of all slaves of this widget
in its packing order."""
return map(self._nametowidget, ..
def wm_colormapwindows(self, *wlist):
...
Return current list of widgets if WLIST is empty."""
return map(..
While in some cases it may be arguable that returning an iterable is more
appropriate for 3.x, I believe preserving backward compatible API is more
important. API changes should also be accompanied with 2to3 fixes, so some
action is required in any case.
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Python tracker <[email protected]>
<http://bugs.python.org/issue6878>
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