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Extend _close() to break cycles.

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Break some other cycles too (and destroy the root when done).
This commit is contained in:
Guido van Rossum 1999-06-25 16:09:27 +00:00
parent 205afb487a
commit fed9b914b5
1 changed files with 18 additions and 13 deletions
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31
Tools/idle/PyShell.py
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@ -363,12 +363,13 @@ class PyShell(OutputWindow):
# Helper for ModifiedInterpreter
self.resetoutput()
self.executing = 1
self._cancel_check = self.cancel_check
##self._cancel_check = self.cancel_check
##sys.settrace(self._cancel_check)
def endexecuting(self):
# Helper for ModifiedInterpreter
sys.settrace(None)
##sys.settrace(None)
##self._cancel_check = None
self.executing = 0
self.canceled = 0
@ -386,17 +387,20 @@ class PyShell(OutputWindow):
if self.reading:
self.top.quit()
return "cancel"
reply = PyShellEditorWindow.close(self)
if reply != "cancel":
self.flist.pyshell = None
# Restore std streams
sys.stdout = self.save_stdout
sys.stderr = self.save_stderr
sys.stdin = self.save_stdin
# Break cycles
self.interp = None
self.console = None
return reply
return PyShellEditorWindow.close(self)
def _close(self):
# Restore std streams
sys.stdout = self.save_stdout
sys.stderr = self.save_stderr
sys.stdin = self.save_stdin
# Break cycles
self.interp = None
self.console = None
self.auto = None
self.flist.pyshell = None
self.history = None
OutputWindow._close(self) # Really EditorWindow._close
def ispythonsource(self, filename):
# Override this so EditorWindow never removes the colorizer
@ -731,6 +735,7 @@ def main():
shell.begin()
root.mainloop()
root.destroy()
if __name__ == "__main__":