Add Job.__repr__()

This is gonna be useful for monitoring and debugging when jobs appear in
log messages and tracebacks, Sentry issues, etc.

h/models/job.py

@@ -65,3 +65,20 @@ class Job(Base):
         server_default=text("'{}'::jsonb"),
         nullable=False,
     )
+
+    def __repr__(self):
+        class_name = type(self).__name__
+        attrs = {
+            attrname: repr(getattr(self, attrname))
+            for attrname in [
+                "id",
+                "name",
+                "enqueued_at",
+                "scheduled_at",
+                "expires_at",
+                "priority",
+                "tag",
+                "kwargs",
+            ]
+        }
+        return f"{class_name}({', '.join(f'{name}={value}' for name, value in attrs.items())})"

tests/unit/h/models/job_test.py

@@ -0,0 +1,43 @@
+from datetime import datetime
+
+from h.models.job import Job
+
+
+class TestJob:
+    def test___repr__(self):
+        job = Job(
+            id=42,
+            name="job_name",
+            enqueued_at=datetime(
+                year=2024,
+                month=5,
+                day=8,
+                hour=11,
+                minute=51,
+                second=23,
+            ),
+            scheduled_at=datetime(
+                year=2024,
+                month=6,
+                day=1,
+                hour=0,
+                minute=0,
+                second=0,
+            ),
+            expires_at=datetime(
+                year=2025,
+                month=1,
+                day=1,
+                hour=0,
+                minute=0,
+                second=0,
+            ),
+            priority=3,
+            tag="job_tag",
+            kwargs={"foo": "FOO", "bar": "BAR"},
+        )
+
+        assert (
+            repr(job)
+            == "Job(id=42, name='job_name', enqueued_at=datetime.datetime(2024, 5, 8, 11, 51, 23), scheduled_at=datetime.datetime(2024, 6, 1, 0, 0), expires_at=datetime.datetime(2025, 1, 1, 0, 0), priority=3, tag='job_tag', kwargs={'foo': 'FOO', 'bar': 'BAR'})"
+        )