Tickets/dm 47890: Support Summit Observing Weeks 49-50 of 2024

doc/news/DM-47890.feature.2.rst

@@ -0,0 +1 @@
+In maintel/mtcs.py, remove settling time after clearing slew flag (currently refered to as close booster valve in the code).

doc/news/DM-47890.feature.3.rst

@@ -0,0 +1 @@
+In maintel/mtcs.py, add a context manager to ensure m1m3 is in engineering mode before/after some operation and add unit tests.

python/lsst/ts/observatory/control/maintel/mtcs.py

@@ -1707,6 +1707,22 @@ async def exit_m1m3_engineering_mode(self) -> None:
         else:
             self.log.warning("M1M3 not in engineering mode.")
 
+    @contextlib.asynccontextmanager
+    async def m1m3_in_engineering_mode(self) -> typing.AsyncIterator[None]:
+        """Context manager to ensure m1m3 enters and exists engineering
+        mode before/after an operation.
+
+        If M1M3 is in engineering mode before, this context manager is a
+        nop, e.g. it will leave M1M3 in engineering mode afterwards.
+        """
+        try:
+            m1m3_in_engineering_mode_before = await self.is_m1m3_in_engineering_mode()
+            await self.enter_m1m3_engineering_mode()
+            yield
+        finally:
+            if not m1m3_in_engineering_mode_before:
+                await self.exit_m1m3_engineering_mode()
+
     async def run_m1m3_hard_point_test(self, hp: int) -> None:
         """Test an M1M3 hard point.
 
@@ -2628,7 +2644,6 @@ async def close_m1m3_booster_valve(self) -> None:
         """Close M1M3 booster valves."""
         if self.check.mtm1m3:
             await self._handle_m1m3_booster_valve(open=False)
-            await asyncio.sleep(self.fast_timeout)
 
     async def _handle_m1m3_booster_valve(self, open: bool) -> None:
         """Handle opening the M1M3 booster valves"""

tests/maintel/test_mtcs.py

@@ -2455,3 +2455,22 @@ async def assert_m1m3_slew_settings_applied(
             assert (
                 actual_settings[setting] == expected_value
             ), f"Setting {setting} expected to be {expected_value} but was {actual_settings[setting]}"
+
+    async def test_m1m3_in_engineering_mode(self) -> None:
+
+        async with self.mtcs.m1m3_in_engineering_mode():
+            await asyncio.sleep(0)
+
+        self.mtcs.rem.mtm1m3.cmd_enterEngineering.start.assert_awaited_once()
+        self.mtcs.rem.mtm1m3.cmd_exitEngineering.start.assert_awaited_once()
+
+    async def test_m1m3_in_engineering_mode_with_failed_op(self) -> None:
+
+        try:
+            async with self.mtcs.m1m3_in_engineering_mode():
+                raise RuntimeError("This is a test.")
+        except RuntimeError:
+            pass
+
+        self.mtcs.rem.mtm1m3.cmd_enterEngineering.start.assert_awaited_once()
+        self.mtcs.rem.mtm1m3.cmd_exitEngineering.start.assert_awaited_once()