def set_log_file(self, filename):
if self.log_file is not None:
for feature in self.features:
feature.handle_detach_log_file(self, self.log_file)
if filename is None:
if self.dispatcher is not None:
self.dispatcher.cancel()
self.dispatcher = None
self.log_file = None
self.tmpfile = None
self.actions.groups["RowActions"].props.sensitive = False
else:
if self.tmpfile and filename != self.tmpfile.name:
self.tmpfile = tempfile.NamedTemporaryFile()
shutil.copyfile(filename, self.tmpfile.name)
filename = self.tmpfile.name
self.logger.debug("setting log file %r", filename)
try:
self.setup_model(LazyLogModel())
self.dispatcher = Common.Data.GSourceDispatcher()
self.log_file = Data.LogFile(filename, self.dispatcher)
except EnvironmentError as 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
basename = os.path.basename(filename)
self.gtk_window.props.title = _("%s - GStreamer Debug Viewer") % (
basename, )
self.log_file.consumers.append(self)
self.log_file.start_loading()
def __init__(self, filename):
self.main_loop = gobject.MainLoop()
self.log_file = Data.LogFile(filename, Common.Data.DefaultDispatcher())
self.log_file.consumers.append(self)
