Gracefully handle callback crashes.

8 years ago · 54b0a0aed7
parent 2703e444ef
commit 54b0a0aed7
1 changed files with 6 additions and 2 deletions
--- a/econtext/core.py
+++ b/econtext/core.py
@ -329,7 +329,7 @@ class Stream(BasicStream):
        return True

    def _invoke(self, handle, data):
-        IOLOG.debug('%r._invoke(): handle=%r; data=%r', self, handle, data)
+        IOLOG.debug('%r._invoke(%r, %r)', self, handle, data)
        try:
            persist, fn = self._context._handle_map[handle]
        except KeyError:
@ -337,7 +337,11 @@ class Stream(BasicStream):

        if not persist:
            del self._context._handle_map[handle]
-        fn(data)
+
+        try:
+            fn(data)
+        except Exception:
+            LOG.debug('%r._invoke(%r, %r): %r crashed', self, handle, data, fn)

    def on_transmit(self):
        """Transmit buffered messages."""