From f505b7425c1e46e847dfc1e4528bc178af06b085 Mon Sep 17 00:00:00 2001 From: Ned Deily Date: Wed, 14 Dec 2011 14:58:24 -0800 Subject: Issue #4625: If IDLE cannot write to its recent file or breakpoint files, display a message popup and continue rather than crash. (original patch by Roger Serwy) --- Lib/idlelib/PyShell.py | 24 ++++++++++++++++-------- 1 file changed, 16 insertions(+), 8 deletions(-) (limited to 'Lib/idlelib/PyShell.py') diff --git a/Lib/idlelib/PyShell.py b/Lib/idlelib/PyShell.py index 33deb457a4..e7c71b7c69 100644 --- a/Lib/idlelib/PyShell.py +++ b/Lib/idlelib/PyShell.py @@ -206,14 +206,22 @@ class PyShellEditorWindow(EditorWindow): lines = fp.readlines() except IOError: lines = [] - with open(self.breakpointPath, "w") as new_file: - for line in lines: - if not line.startswith(filename + '='): - new_file.write(line) - self.update_breakpoints() - breaks = self.breakpoints - if breaks: - new_file.write(filename + '=' + str(breaks) + '\n') + try: + with open(self.breakpointPath, "w") as new_file: + for line in lines: + if not line.startswith(filename + '='): + new_file.write(line) + self.update_breakpoints() + breaks = self.breakpoints + if breaks: + new_file.write(filename + '=' + str(breaks) + '\n') + except IOError as err: + if not getattr(self.root, "breakpoint_error_displayed", False): + self.root.breakpoint_error_displayed = True + tkMessageBox.showerror(title='IDLE Error', + message='Unable to update breakpoint list:\n%s' + % str(err), + parent=self.text) def restore_file_breaks(self): self.text.update() # this enables setting "BREAK" tags to be visible -- cgit v1.2.1