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The message "Exception in Tkinter callback" should go to stderr.

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Fix bug in NoDefaultRoot() -- _default_root wasn't declared global;
and made it reentrant.

Don't set _default_root to whatever master gets passed in to
BaseWidget._setup() (only set it when we need to create a new Tk()
widget).
This commit is contained in:
Guido van Rossum 1998-10-06 19:06:27 +00:00
parent 56af4448e1
commit da65450530
1 changed files with 4 additions and 4 deletions
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8
Lib/lib-tk/Tkinter.py
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@ -61,6 +61,8 @@ _default_root = None
def NoDefaultRoot(): def NoDefaultRoot():
global _support_default_root global _support_default_root
_support_default_root = 0 _support_default_root = 0
global _default_root
_default_root = None
del _default_root del _default_root
def _tkerror(err): def _tkerror(err):
@ -931,8 +933,8 @@ class Tk(Misc, Wm):
print 'execfile', `base_py` print 'execfile', `base_py`
execfile(base_py, dir) execfile(base_py, dir)
def report_callback_exception(self, exc, val, tb): def report_callback_exception(self, exc, val, tb):
import traceback import traceback, sys
print "Exception in Tkinter callback" sys.stderr.write("Exception in Tkinter callback\n")
traceback.print_exception(exc, val, tb) traceback.print_exception(exc, val, tb)
# Ideally, the classes Pack, Place and Grid disappear, the # Ideally, the classes Pack, Place and Grid disappear, the
@ -1042,8 +1044,6 @@ class BaseWidget(Misc):
if not _default_root: if not _default_root:
_default_root = Tk() _default_root = Tk()
master = _default_root master = _default_root
if not _default_root:
_default_root = master
self.master = master self.master = master
self.tk = master.tk self.tk = master.tk
name = None name = None