Fix bug caused by Tile Lost & Found Labels

pytile/api.py

@@ -110,12 +110,19 @@ async def async_get_tiles(self) -> dict[str, Tile]:
             for tile_uuid in [tile["tile_id"] for tile in states["result"]]
         }
 
-        results = await asyncio.gather(*details_tasks.values())
-
-        return {
-            tile_uuid: Tile(self._async_request, tile_data)
-            for tile_uuid, tile_data, in zip(details_tasks, results)  # noqa: B905
-        }
+        results = await asyncio.gather(*details_tasks.values(), return_exceptions=True)
+
+        data = {}
+        for tile_uuid, result in zip(details_tasks, results):
+            if isinstance(result, RequestError):
+                if "412" in str(result):
+                    # Tile Labels will return an HTTP 412 because they don't have
+                    # additional details; we can safely ignore these errors and still
+                    # track the Tile (without additional details):
+                    continue
+            data[tile_uuid] = Tile(self._async_request, result)
+
+        return data
 
     async def async_init(self) -> None:
         """Create a Tile session."""

tests/test_tile.py

@@ -267,6 +267,48 @@ async def test_tile_as_dict(
     aresponses.assert_plan_strictly_followed()
 
 
+@pytest.mark.asyncio
+async def test_tile_label(
+    aresponses: ResponsesMockServer,
+    authenticated_tile_api_server: ResponsesMockServer,
+    tile_states_response: dict[str, Any],
+) -> None:
+    """Test a Tile label (which is ignored by this library).
+
+    This is a sanity check that a Tile Label, which returns an HTTP 412 when passed to
+    /api/v1/tiles/{TILE_UUID}, is handled correctly.
+
+    Args:
+        aresponses: An aresponses server.
+        authenticated_tile_api_server: A mock Tile API server connection.
+        tile_states_response: An API response payload.
+    """
+    async with authenticated_tile_api_server:
+        authenticated_tile_api_server.add(
+            "production.tile-api.com",
+            "/api/v1/tiles/tile_states",
+            "get",
+            response=aiohttp.web_response.json_response(
+                tile_states_response, status=200
+            ),
+        )
+        authenticated_tile_api_server.add(
+            "production.tile-api.com",
+            f"/api/v1/tiles/{TILE_TILE_UUID}",
+            "get",
+            response=aresponses.Response(text="", status=412),
+        )
+
+        async with aiohttp.ClientSession() as session:
+            api = await async_login(
+                TILE_EMAIL, TILE_PASSWORD, session, client_uuid=TILE_CLIENT_UUID
+            )
+            tiles = await api.async_get_tiles()
+            assert len(tiles) == 0
+
+    aresponses.assert_plan_strictly_followed()
+
+
 @pytest.mark.asyncio
 async def test_tile_update(
     aresponses: ResponsesMockServer,