Improved Bit constructor for uint8 NumPy arrays

Author: ankane

pgvector/bit.py

@@ -7,14 +7,11 @@ def __init__(self, value):
         if isinstance(value, str):
             self._value = self.from_text(value)._value
         else:
-            # TODO change in 0.4.0
             # TODO raise if dtype not bool or uint8
-            # if isinstance(value, np.ndarray) and value.dtype == np.uint8:
-            #     value = np.unpackbits(value)
-            # else:
-            #     value = np.asarray(value, dtype=bool)
-
-            value = np.asarray(value, dtype=bool)
+            if isinstance(value, np.ndarray) and value.dtype == np.uint8:
+                value = np.unpackbits(value)
+            else:
+                value = np.asarray(value, dtype=bool)
 
             if value.ndim != 1:
                 raise ValueError('expected ndim to be 1')

tests/test_bit.py

@@ -15,9 +15,7 @@ def test_str(self):
 
     def test_ndarray_uint8(self):
         arr = np.array([254, 7, 0], dtype=np.uint8)
-        # TODO change in 0.4.0
-        # assert Bit(arr).to_text() == '111111100000011100000000'
-        assert Bit(arr).to_text() == '110'
+        assert Bit(arr).to_text() == '111111100000011100000000'
 
     def test_ndarray_same_object(self):
         arr = np.array([True, False, True])