REF: Created pandas.core.arrays

Moved pandas.core.categorical to arrays.

Author: TomAugspurger

pandas/_libs/parsers.pyx

@@ -55,7 +55,7 @@ from pandas.core.dtypes.common import (
     is_bool_dtype, is_object_dtype,
     is_datetime64_dtype,
     pandas_dtype)
-from pandas.core.categorical import Categorical
+from pandas.core.arrays import Categorical
 from pandas.core.dtypes.concat import union_categoricals
 import pandas.io.common as com
 

pandas/compat/pickle_compat.py

@@ -108,7 +108,11 @@ def load_reduce(self):
     ('pandas.tseries.index', 'DatetimeIndex'):
         ('pandas.core.indexes.datetimes', 'DatetimeIndex'),
     ('pandas.tseries.period', 'PeriodIndex'):
-        ('pandas.core.indexes.period', 'PeriodIndex')
+        ('pandas.core.indexes.period', 'PeriodIndex'),
+
+    # 19269, arrays moving
+    ('pandas.core.categorical', 'Categorical'):
+        ('pandas.core.arrays', 'Categorical'),
 }
 
 

pandas/core/api.py

@@ -6,7 +6,7 @@
 
 from pandas.core.algorithms import factorize, unique, value_counts
 from pandas.core.dtypes.missing import isna, isnull, notna, notnull
-from pandas.core.categorical import Categorical
+from pandas.core.arrays import Categorical
 from pandas.core.groupby import Grouper
 from pandas.io.formats.format import set_eng_float_format
 from pandas.core.index import (Index, CategoricalIndex, Int64Index,

pandas/core/arrays/__init__.py

@@ -0,0 +1 @@
+from .categorical import Categorical  # noqa