Fix issue where poster halls weren't normalized into exhibit hall on break type events

Author: egeakman

src/models/europython.py

@@ -409,6 +409,14 @@ class EuroPythonScheduleBreak(BaseModel):
     rooms: list[Room]
     start: datetime
 
+    @field_validator("rooms", mode="before")
+    @classmethod
+    def normalize_poster_rooms(cls, value):
+        return [
+            "Exhibit Hall" if isinstance(v, str) and "Poster Hall" in v else v
+            for v in value
+        ]
+
 
 class DaySchedule(BaseModel):
     rooms: list[Room]

tests/test_poster_hall_normalization.py

@@ -0,0 +1,42 @@
+from datetime import datetime
+
+import pytest
+
+from src.misc import Room
+from src.models.europython import EuroPythonScheduleBreak, EuroPythonSession
+
+POSTER_HALLS = ["Poster Hall A", "Poster Hall B", "Poster Hall C"]
+
+
+def _session(room: str) -> EuroPythonSession:
+    return EuroPythonSession.model_validate(
+        {
+            "code": "TEST",
+            "title": "Test",
+            "speakers": [],
+            "session_type": "Talk",
+            "slug": "test",
+            "answers": [],
+            "slot_count": 1,
+            "room": room,
+        }
+    )
+
+
+def _break(rooms: list[str]) -> EuroPythonScheduleBreak:
+    return EuroPythonScheduleBreak(
+        title="Break",
+        duration=30,
+        rooms=rooms,
+        start=datetime(2026, 7, 14, 10, 0),
+    )
+
+
+@pytest.mark.parametrize("poster_hall", POSTER_HALLS)
+def test_session_poster_hall_becomes_exhibit_hall(poster_hall: str) -> None:
+    assert _session(poster_hall).room == "Exhibit Hall"
+
+
+def test_break_poster_halls_become_exhibit_hall() -> None:
+    brk = _break(POSTER_HALLS)
+    assert all(r == Room.exhibit_hall for r in brk.rooms)