Hi, we're using urwid in our openstack installer project, and have run into a transient traceback from inside urwid's cached rendering code that we're having trouble reproducing.
I'm hoping that someone on here has seen it before - I didn't find anything too useful from a google search, so it doesn't seem like a FAQ. The traceback in question is at the end of this email, and is also tracked in this bug: https://github.com/Ubuntu-Solutions-Engineering/openstack-installer/issues/326 that project has all the relevant code, and I'm happy to try to explain anything relevant about the code base. Thanks in advance for any advice. File "/usr/share/openstack/cloudinstall/utils.py", line 66, in run super().run() File "/usr/lib/python3.4/threading.py", line 868, in run self._target(*self._args, **self._kwargs) File "/usr/share/openstack/cloudinstall/core.py", line 411, in begin_deployment_async self.begin_deployment() File "/usr/share/openstack/cloudinstall/core.py", line 447, in begin_deployment self.deploy_using_placement() File "/usr/share/openstack/cloudinstall/core.py", line 594, in deploy_using_placement err = self.try_deploy(charm_class) File "/usr/share/openstack/cloudinstall/core.py", line 637, in try_deploy mspec=mspec)) File "/usr/share/openstack/cloudinstall/core.py", line 232, in info_message "{}\N{HORIZONTAL ELLIPSIS}".format(message)) File "/usr/lib/python3.4/contextlib.py", line 66, in __exit__ next(self.gen) File "/usr/share/openstack/cloudinstall/core.py", line 76, in status_context view.redraw_screen() File "/usr/share/openstack/cloudinstall/core.py", line 267, in redraw_screen self.loop.draw_screen() File "/usr/lib/python3/dist-packages/urwid/main_loop.py", line 565, in draw_screen canvas = self._topmost_widget.render(self.screen_size, focus=True) File "/usr/lib/python3/dist-packages/urwid/widget.py", line 141, in cached_render canv = fn(self, size, focus=focus) File "/usr/lib/python3/dist-packages/urwid/widget.py", line 1750, in render canv = get_delegate(self).render(size, focus=focus) File "/usr/lib/python3/dist-packages/urwid/widget.py", line 141, in cached_render canv = fn(self, size, focus=focus) File "/usr/lib/python3/dist-packages/urwid/container.py", line 1058, in render (maxcol, maxrow), focus) File "/usr/lib/python3/dist-packages/urwid/container.py", line 1018, in frame_top_bottom self.focus_part=='header' and focus) File "/usr/lib/python3/dist-packages/urwid/widget.py", line 201, in cached_rows return fn(self, size, focus) File "/usr/lib/python3/dist-packages/urwid/container.py", line 1568, in rows return sum(self.get_item_rows(size, focus)) File "/usr/lib/python3/dist-packages/urwid/container.py", line 1470, in get_item_rows focus=focus and self.focus_item == w)) File "/usr/lib/python3/dist-packages/urwid/widget.py", line 201, in cached_rows return fn(self, size, focus) File "/usr/lib/python3/dist-packages/urwid/widget.py", line 1021, in rows return len(self.get_line_translation(maxcol)) File "/usr/lib/python3/dist-packages/urwid/widget.py", line 1037, in get_line_translation return self._cache_translation AttributeError: 'Text' object has no attribute '_cache_translation'
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