fix stats hemisphere when no entities to display

natal/stats.py

@@ -162,10 +162,11 @@ def hemisphere(self) -> StatData:
         title = f"Hemispheres ({self.data1.name})"
         grid = [("hemisphere", "count", "bodies")]
         data = self.quadrant.grid[1:]
-        left = ("←", data[0][1] + data[3][1], f"{data[0][2]}, {data[3][2]}")
-        right = ("→", data[1][1] + data[2][1], f"{data[1][2]}, {data[2][2]}")
-        top = ("↑", data[2][1] + data[3][1], f"{data[2][2]}, {data[3][2]}")
-        bottom = ("↓", data[0][1] + data[1][1], f"{data[0][2]}, {data[1][2]}")
+        formatter = lambda a, b: (data[a][2] + ", " + data[b][2]).strip(" ,")
+        left = ("←", data[0][1] + data[3][1], formatter(0, 3))
+        right = ("→", data[1][1] + data[2][1], formatter(1, 2))
+        top = ("↑", data[2][1] + data[3][1], formatter(2, 3))
+        bottom = ("↓", data[0][1] + data[1][1], formatter(0, 1))
         return StatData(title, grid + [left, right, top, bottom])
 
     @property

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "natal"
-version = "0.6.2"
+version = "0.6.3"
 description = "create Natal Chart with ease"
 license = "MIT"
 repository = "https://github.com/hoishing/natal"

tests/test_stats.py

@@ -303,3 +303,11 @@ def test_inner_planets_cross_ref_grid(inner_planets_cross_ref_grid):
     d2 = Data(**person2)
     stats = Stats(data1=d1, data2=d2)
     assert stats.cross_ref.grid == inner_planets_cross_ref_grid
+
+def test_display_no_entities():
+    display = Display(**dict.fromkeys(Display(), False))
+    stats = Stats(data1=Data(**person1, config=Config(display=display)))
+    assert stats.quadrant.grid[1][1] == 0
+    assert stats.quadrant.grid[1][2] == ""
+    assert stats.hemisphere.grid[1][1] == 0
+    assert stats.hemisphere.grid[1][2] == ""