Andrei Kulakov <[email protected]> added the comment:
I wrote a longer explanation but BPO and Chrome ate it.
The issue is that DoubleVar is not locale aware. I don't know what should be
the actual fix but the following may be a useful workaround (It works on my
system):
import tkinter
import locale
import sys
locale.setlocale(locale.LC_NUMERIC, 'de_DE')
class Var(tkinter.DoubleVar):
def get(self):
return locale.atof(self._tk.globalgetvar(self._name))
class TestDoubleVar():
def __init__(self):
root = tkinter.Tk()
self.var = Var()
self.var.set(0.8)
number = tkinter.Spinbox(
root,
from_=0, to=1, increment=0.1,
textvariable=self.var,
command=self.update,
width=4
)
number.pack(side=tkinter.LEFT)
root.mainloop()
def update(self, *args):
print(self.var.get())
if __name__ == '__main__':
TestDoubleVar()
----------
nosy: +andrei.avk
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<https://bugs.python.org/issue39827>
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