Merge remote-tracking branch 'origin/master' into gevent-pool

Author: Joel Collins

.gitignore

@@ -26,6 +26,8 @@ share/python-wheels/
 .installed.cfg
 *.egg
 MANIFEST
+# We use poetry, so should ignore the generated setup.py
+/setup.py
 
 # PyInstaller
 #  Usually these files are written by a python script from a template

labthings/server/spec/td.py

@@ -212,6 +212,15 @@ def property(self, rules: list, view: View):
         self.properties[key] = self.view_to_thing_property(rules, view)
 
     def action(self, rules: list, view: View):
+        """Add a view representing an Action.
+
+        NB at present this will fail for any view that doesn't support POST
+        requests.
+        """
+        if not hasattr(view, "post"):
+            raise AttributeError(
+                f"The API View '{view}' was added as an Action, but it does not have a POST method."
+            )
         endpoint = getattr(view, "endpoint") or getattr(rules[0], "endpoint")
         key = snake_to_camel(endpoint)
         self.actions[key] = self.view_to_thing_action(rules, view)