Removed dict_subset

basic_utils/dict_helpers.py

@@ -5,7 +5,6 @@
 from basic_utils.seq_helpers import butlast, last
 
 __all__ = [
-    'dict_subset',
     'get_in_dict',
     'get_keys',
     'prune_dict',
@@ -26,21 +25,6 @@ def get_keys(d: dict, keys: Sequence[Any], default: Callable=None) -> Tuple:
     return tuple(d.get(key, default) for key in keys)
 
 
-def dict_subset(d, keys, prune=False, default=None):
-    # type: (dict, Sequence[str], bool, Callable) -> dict
-    """
-    Returns a new dictionary with a subset of key value pairs from the original
-
-    >>> d = {'a': 1, 'b': 2}
-    >>> dict_subset(d, ('c',), True, 'missing')
-    {'c': 'missing'}
-    """
-    new = {k: d.get(k, default) for k in keys}
-    if prune:
-        return prune_dict(new)
-    return new
-
-
 def get_in_dict(d: dict, keys: Sequence[str]) -> Any:
     """
     Retrieve nested key from dictionary

tests/test_dict_helpers.py

@@ -5,7 +5,6 @@
 import pytest  # type: ignore
 
 from basic_utils.dict_helpers import (
-    dict_subset,
     filter_keys,
     filter_values,
     get_in_dict,
@@ -16,17 +15,6 @@
 from basic_utils.primitives import even
 
 
-@pytest.mark.parametrize("args, expected", [
-    ((('a', 'b', 'c'), False, None), {'a': 1, 'b': 2, 'c': 3}),
-    ((('a', 'b', 'z'), True, None), {'a': 1, 'b': 2}),
-    ((('a', 'b', 'z'), False, None), {'a': 1, 'b': 2, 'z': None}),
-    ((('a', 'b', 'z'), False, 'Missing'), {'a': 1, 'b': 2, 'z': 'Missing'}),
-])
-def test_dict_subset(args: Any, expected: Any) -> None:
-    d = {'a': 1, 'b': 2, 'c': 3}
-    assert dict_subset(d, *args) == expected
-
-
 @pytest.mark.parametrize("data, keys, expected", [
     ({'a': {'b': {'c': 3}}}, 'a', {'b': {'c': 3}}),
     ({'a': {'b': {'c': 3}}}, ('a', 'b', 'c'), 3)