def get_options():
options = get_attribute_by_name(owner, options_attr)
if options is None:
return ['']
if options:
option_strings = [to_string(o) for o in options]
if empty_option:
option_strings.insert(0, '')
return option_strings
else:
return ['']
def _tk_variable_changed(*args):
trait_value = get_attribute_by_name(owner, name)
if trait_value is not None:
trait_value = self.pack(trait_value)
try:
tk_variable_value = self.tk_variable.get()
except ValueError:
return
if trait_value != tk_variable_value:
set_attribute_by_name(
owner, name, self.unpack(tk_variable_value)
)
def _trait_changed():
self.tk_variable.set(
self.pack(get_attribute_by_name(owner, name))
)
def _option_subattr_changed():
options = get_options()
replace_options(self.option_menu, options)
self.tk_variable.set(
self.pack(get_attribute_by_name(owner, select_attr))
)