From 37c574133815ed1aadb8915bce60a22c0193f7bf Mon Sep 17 00:00:00 2001
From: Tim Jenness <tjenness@lsst.org>
Date: Fri, 3 Jan 2025 15:58:27 -0700
Subject: [PATCH 1/2] Add entry point for loading translator code automatically

---
 pyproject.toml                               | 3 +++
 python/lsst/obs/lsst/translators/__init__.py | 7 +++++++
 2 files changed, 10 insertions(+)

diff --git a/pyproject.toml b/pyproject.toml
index c2802f5ab..767536ab9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,6 +4,9 @@ name = "lsst-obs-lsst"
 [project.entry-points.'butler.cli']
 obs_lsst = "lsst.obs.lsst.cli:get_cli_subcommands"
 
+[project.entry-points.astro_metadata_translators]
+obs_lsst = "lsst.obs.lsst.translators:_force_load"
+
 [tool.ruff]
 line-length = 110
 target-version = "py311"
diff --git a/python/lsst/obs/lsst/translators/__init__.py b/python/lsst/obs/lsst/translators/__init__.py
index 687262631..92e6278a0 100644
--- a/python/lsst/obs/lsst/translators/__init__.py
+++ b/python/lsst/obs/lsst/translators/__init__.py
@@ -18,3 +18,10 @@
 from .comCam import *
 from .comCamSim import *
 from .lsstCamSim import *
+
+
+def _force_load():
+    # This function exists solely to be loaded by the
+    # astro_metadata_translators entry point. The function
+    # will not be called.
+    pass

From 991283f80659523b36e331146b0756f9ae118798 Mon Sep 17 00:00:00 2001
From: Tim Jenness <tjenness@lsst.org>
Date: Tue, 7 Jan 2025 11:09:43 -0700
Subject: [PATCH 2/2] Now return the translator names in entry point

---
 pyproject.toml                               |  2 +-
 python/lsst/obs/lsst/translators/__init__.py | 26 ++++++++++++++++----
 2 files changed, 22 insertions(+), 6 deletions(-)

diff --git a/pyproject.toml b/pyproject.toml
index 767536ab9..3bc44f9e2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,7 +5,7 @@ name = "lsst-obs-lsst"
 obs_lsst = "lsst.obs.lsst.cli:get_cli_subcommands"
 
 [project.entry-points.astro_metadata_translators]
-obs_lsst = "lsst.obs.lsst.translators:_force_load"
+obs_lsst = "lsst.obs.lsst.translators:_register_translators"
 
 [tool.ruff]
 line-length = 110
diff --git a/python/lsst/obs/lsst/translators/__init__.py b/python/lsst/obs/lsst/translators/__init__.py
index 92e6278a0..9677ad0a6 100644
--- a/python/lsst/obs/lsst/translators/__init__.py
+++ b/python/lsst/obs/lsst/translators/__init__.py
@@ -20,8 +20,24 @@
 from .lsstCamSim import *
 
 
-def _force_load():
-    # This function exists solely to be loaded by the
-    # astro_metadata_translators entry point. The function
-    # will not be called.
-    pass
+def _register_translators() -> list[str]:
+    """Ensure that the translators are loaded.
+
+    When this function is imported we are guaranteed to also import the
+    translators which will automatically register themselves.
+
+    Returns
+    -------
+    translators : `list` [ `str` ]
+        The names of the translators provided by this package.
+    """
+    return [
+        LsstCamTranslator.name,
+        LatissTranslator.name,
+        LsstComCamTranslator.name,
+        LsstComCamSimTranslator.name,
+        LsstCamSimTranslator.name,
+        LsstCamImSimTranslator.name,
+        LsstUCDCamTranslator.name,
+        LsstCamPhoSimTranslator.name,
+    ]