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Gracefully handle errors when opening a file

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This commit is contained in:
René Stadler 2007-11-26 10:53:37 +02:00 committed by Stefan Sauer
parent 04d8c6c806
commit 181554e597
1 changed files with 35 additions and 5 deletions
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40
debug-viewer/GstDebugViewer/GUI.py
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@ -1158,14 +1158,44 @@ class Window (object):
else:
self.logger.debug ("setting log file %r", filename)
self.log_model = LazyLogModel ()
self.log_filter = FilteredLogModel (self.log_model)
self.dispatcher = Common.Data.GSourceDispatcher ()
self.log_file = Data.LogFile (filename, self.dispatcher)
try:
self.log_model = LazyLogModel ()
self.log_filter = FilteredLogModel (self.log_model)
self.dispatcher = Common.Data.GSourceDispatcher ()
self.log_file = Data.LogFile (filename, self.dispatcher)
except EnvironmentError, exc:
try:
file_size = os.path.getsize (filename)
except EnvironmentError:
pass
else:
if file_size == 0:
# Trying to mmap an empty file results in an invalid
# argument error.
self.show_error (_("Could not open file"),
_("The selected file is empty"))
return
self.handle_environment_error (exc, filename)
return
self.log_file.consumers.append (self)
self.log_file.start_loading ()
def handle_environment_error (self, exc, filename):
self.show_error (_("Could not open file"), str (exc))
def show_error (self, message1, message2):
dialog = gtk.MessageDialog (self.gtk_window, gtk.DIALOG_MODAL, gtk.MESSAGE_ERROR,
gtk.BUTTONS_OK, message1)
# The property for secondary text is new in 2.10, so we use this clunky
# method instead.
dialog.format_secondary_text (message2)
dialog.set_default_response (0)
dialog.run ()
dialog.destroy ()
def handle_log_view_button_press_event (self, view, event):
if event.button != 3: