Add better error handling and quiting

CHANGELOG.md

@@ -1,3 +1,8 @@
+# trio-gtk 0.1.1 (2020-09-20)
+
+- Fix traceback handling on `done_callback`.
+- Exit gracefully calling `gtk.main_quit` directly.
+
 # trio-gtk 0.1.0 (2020-09-20)
 
 - Initial pre-alpha release.

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "poetry.masonry.api"
 
 [tool.poetry]
 name = "trio-gtk"
-version = "0.1.0"
+version = "0.1.1"
 description = "Trio guest mode wrapper for PyGTK"
 authors = ["decentral1se <lukewm@riseup.net>"]
 maintainers = ["decentral1se <lukewm@riseup.net>"]

trio_gtk.py

@@ -1,3 +1,5 @@
+import traceback
+
 import gi
 import trio
 
@@ -5,6 +7,7 @@ gi.require_version("Gtk", "3.0")
 
 from gi.repository import GLib as glib
 from gi.repository import Gtk as gtk
+from outcome import Error
 
 __all__ = ["run"]
 
@@ -19,7 +22,10 @@ def run(trio_main):
                 await trio.sleep(1)
 
     def done_callback(outcome):
-        glib.idle_add(gtk.main_quit)
+        if isinstance(outcome, Error):
+            exc = outcome.error
+            traceback.print_exception(type(exc), exc, exc.__traceback__)
+        gtk.main_quit()
 
     def glib_schedule(function):
         glib.idle_add(function)