Merge pull request #496 from doronbehar/fix-np.bool_

DeepHash: check numpy booleans like native booleans

deepdiff/deephash.py

@@ -24,6 +24,11 @@
     import polars
 except ImportError:
     polars = False
+try:
+    import numpy as np
+    booleanTypes = (bool, np.bool_)
+except ImportError:
+    booleanTypes = bool
 
 logger = logging.getLogger(__name__)
 
@@ -492,7 +497,7 @@ def _hash(self, obj, parent, parents_ids=EMPTY_FROZENSET):
         """The main hash method"""
         counts = 1
 
-        if isinstance(obj, bool):
+        if isinstance(obj, booleanTypes):
             obj = self._prep_bool(obj)
             result = None
         elif self.use_enum_value and isinstance(obj, Enum):

tests/test_hash.py

@@ -187,6 +187,12 @@ def test_re(self):
         a_hash = DeepHash(a)[a]
         assert not( a_hash is unprocessed)
 
+    # https://github.com/seperman/deepdiff/issues/494
+    def test_numpy_bool(self):
+        a = {'b': np.array([True], dtype='bool')}
+        a_hash = DeepHash(a)[a]
+        assert not( a_hash is unprocessed)
+
 class TestDeepHashPrep:
     """DeepHashPrep Tests covering object serialization."""