1 files changed, 20 insertions, 0 deletions
diff --git a/blinker/playground.py b/blinker/playground.py
new file mode 100644
index 0000000..8ed30fb
--- /dev/null
+++ b/blinker/playground.py
@@ -0,0 +1,20 @@
+import blinker
+
+
+def quash_exceptions(fn, sender, kwargs):
+    """Always call all receivers, collecting values or exceptions."""
+    try:
+        return fn(sender, **kwargs), None
+    except Exception as exc:
+        return None, exc
+
+
+def _adapt_xyz(fn, sender, kwargs):
+    return fn(sender, kwargs['x'], kwargs['y'], kwargs['z'])
+
+class PositionalSignal(blinker.Signal):
+    """Positional send and receive (x, y, z)"""
+    receiver_adapter = staticmethod(_adapt_xyz)
+
+    def send(self, sender, x, y, z):
+        return blinker.Signal.send(self, sender, x=x, y=y, z=z)