Terry J. Reedy added the comment:
Perhaps we can fix it on the Python side. When self.tk is called with a
configuration cnf, cnf is often (always?) first passed to Misc._options, as in
BaseWidget.__init__:
self.tk.call(
(widgetName, self._w) + extra + self._options(cnf))
Misc._options loops through cnf.items looking for values to and modify
(currently callables, tuples, and lists) before passing the result on to
tk.call.
We could make a list *countkeys* of cnf (configuration) count items fed to
strtod. Then, with that loop, if the locale uses comma decimal separators (or
always) convert float values for those keys to ints.
if comma and k in countkeys: v = int(v) # or
if comma and k in countkeyw and isinstance(v, float): v = int(v)
I am presuming that tk truncates fractional parts as int() does; if not, use
round().
I cannot verify the bug on US Win7 3.3.2 because 'de_DE.utf8' is an
'unsupported locale' for me. For the C locale, I verified that tk silently
accept not only non-integral widths, but also negative widths.
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue12558>
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