sync_struct/Notifier: do not pass root param to publish

artiq/protocols/sync_struct.py

@@ -13,6 +13,7 @@ immutable types. Lists and dicts can be nested arbitrarily.
 
 import asyncio
 from operator import getitem
+from functools import partial
 
 from artiq.protocols import pyon
 from artiq.protocols.asyncio_server import AsyncioServer
@@ -154,7 +155,7 @@ class Notifier:
         """
         self._backing_struct.append(x)
         if self.root.publish is not None:
-            self.root.publish(self.root, {"action": "append",
+            self.root.publish({"action": "append",
                                "path": self._path,
                                "x": x})
 
@@ -164,7 +165,7 @@ class Notifier:
         """
         self._backing_struct.insert(i, x)
         if self.root.publish is not None:
-            self.root.publish(self.root, {"action": "insert",
+            self.root.publish({"action": "insert",
                                "path": self._path,
                                "i": i, "x": x})
 
@@ -176,7 +177,7 @@ class Notifier:
         """
         r = self._backing_struct.pop(i)
         if self.root.publish is not None:
-            self.root.publish(self.root, {"action": "pop",
+            self.root.publish({"action": "pop",
                                "path": self._path,
                                "i": i})
         return r
@@ -184,7 +185,7 @@ class Notifier:
     def __setitem__(self, key, value):
         self._backing_struct.__setitem__(key, value)
         if self.root.publish is not None:
-            self.root.publish(self.root, {"action": "setitem",
+            self.root.publish({"action": "setitem",
                                "path": self._path,
                                "key": key,
                                "value": value})
@@ -192,7 +193,7 @@ class Notifier:
     def __delitem__(self, key):
         self._backing_struct.__delitem__(key)
         if self.root.publish is not None:
-            self.root.publish(self.root, {"action": "delitem",
+            self.root.publish({"action": "delitem",
                                "path": self._path,
                                "key": key})
 
@@ -217,7 +218,7 @@ class Publisher(AsyncioServer):
         self._notifier_names = {id(v): k for k, v in notifiers.items()}
 
         for notifier in notifiers.values():
-            notifier.publish = self.publish
+            notifier.publish = partial(self.publish, notifier)
 
     @asyncio.coroutine
     def _handle_connection_cr(self, reader, writer):
@@ -256,8 +257,8 @@ class Publisher(AsyncioServer):
         finally:
             writer.close()
 
-    def publish(self, notifier, obj):
-        line = pyon.encode(obj) + "\n"
+    def publish(self, notifier, mod):
+        line = pyon.encode(mod) + "\n"
         line = line.encode()
         notifier_name = self._notifier_names[id(notifier)]
         for recipient in self._recipients[notifier_name]:

artiq/test/scheduler.py

@@ -67,7 +67,7 @@ class SchedulerCase(unittest.TestCase):
         expect = _get_basic_steps(1, expid)
         done = asyncio.Event()
         expect_idx = 0
-        def notify(notifier, mod):
+        def notify(mod):
             nonlocal expect_idx
             self.assertEqual(mod, expect[expect_idx])
             expect_idx += 1
@@ -104,7 +104,7 @@ class SchedulerCase(unittest.TestCase):
         background_running = asyncio.Event()
         done = asyncio.Event()
         expect_idx = 0
-        def notify(notifier, mod):
+        def notify(mod):
             nonlocal expect_idx
             if mod == {"path": [0],
                        "value": "running",
@@ -138,7 +138,7 @@ class SchedulerCase(unittest.TestCase):
         first_preparing = asyncio.Event()
         done = asyncio.Event()
         expect_idx = 0
-        def notify(notifier, mod):
+        def notify(mod):
             nonlocal expect_idx
             if mod == {"path": [0],
                        "value": "preparing",