PERF: use from __future__ import annotations more

pandas/_config/config.py

@@ -47,6 +47,7 @@
   which can save developers some typing, see the docstring.
 
 """
+from __future__ import annotations
 
 from collections import namedtuple
 from contextlib import ContextDecorator, contextmanager

pandas/_config/dates.py

@@ -1,6 +1,8 @@
 """
 config for datetime formatting
 """
+from __future__ import annotations
+
 from pandas._config import config as cf
 
 pc_date_dayfirst_doc = """

pandas/_config/display.py

@@ -2,6 +2,8 @@
 Unopinionated display configuration.
 """
 
+from __future__ import annotations
+
 import locale
 import sys
 

pandas/_config/localization.py

@@ -3,6 +3,8 @@
 
 Name `localization` is chosen to avoid overlap with builtin `locale` module.
 """
+from __future__ import annotations
+
 from contextlib import contextmanager
 import locale
 import re

pandas/compat/_optional.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 import distutils.version
 import importlib
 import types

pandas/compat/chainmap.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 from typing import ChainMap, MutableMapping, TypeVar, cast
 
 _KT = TypeVar("_KT")

pandas/compat/pickle_compat.py

@@ -1,6 +1,7 @@
 """
 Support pre-0.12 series pickle compatibility.
 """
+from __future__ import annotations
 
 import contextlib
 import copy

pandas/core/accessor.py

@@ -4,6 +4,8 @@
 that can be mixed into or pinned onto other pandas classes.
 
 """
+from __future__ import annotations
+
 from typing import FrozenSet, Set
 import warnings
 

pandas/core/aggregation.py

@@ -2,6 +2,7 @@
 aggregation.py contains utility functions to handle multiple named and lambda
 kwarg aggregations in groupby and DataFrame/Series aggregation
 """
+from __future__ import annotations
 
 from collections import defaultdict
 from functools import partial

pandas/core/api.py

@@ -1,5 +1,7 @@
 # flake8: noqa
 
+from __future__ import annotations
+
 from pandas._libs import NaT, Period, Timedelta, Timestamp
 from pandas._libs.missing import NA
 

pandas/core/apply.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 import abc
 import inspect
 from typing import TYPE_CHECKING, Any, Dict, Iterator, Optional, Tuple, Type, Union

pandas/core/array_algos/masked_reductions.py

@@ -3,6 +3,8 @@
 for missing values.
 """
 
+from __future__ import annotations
+
 from typing import Callable
 
 import numpy as np

pandas/core/array_algos/transforms.py

@@ -2,6 +2,8 @@
 transforms.py is for shape-preserving functions.
 """
 
+from __future__ import annotations
+
 import numpy as np
 
 from pandas.core.dtypes.common import ensure_platform_int

pandas/core/arrays/_arrow_utils.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 from distutils.version import LooseVersion
 import json
 

pandas/core/arrays/_mixins.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 from typing import Any, Sequence, Tuple, TypeVar
 
 import numpy as np

pandas/core/arrays/_ranges.py

@@ -3,6 +3,8 @@
 (and possibly TimedeltaArray/PeriodArray)
 """
 
+from __future__ import annotations
+
 from typing import Union
 
 import numpy as np

pandas/core/arrays/base.py

@@ -6,6 +6,8 @@
    This is an experimental API and subject to breaking changes
    without warning.
 """
+from __future__ import annotations
+
 import operator
 from typing import Any, Callable, Dict, Optional, Sequence, Tuple, Union, cast
 

pandas/core/arrays/boolean.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 import numbers
 from typing import TYPE_CHECKING, List, Tuple, Type, Union
 import warnings

pandas/core/arrays/categorical.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 from csv import QUOTE_NONNUMERIC
 from functools import partial
 import operator

pandas/core/arrays/datetimelike.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 from datetime import datetime, timedelta
 import operator
 from typing import Any, Callable, Optional, Sequence, Tuple, Type, TypeVar, Union, cast

pandas/core/arrays/datetimes.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 from datetime import datetime, time, timedelta, tzinfo
 from typing import Optional, Union
 import warnings

pandas/core/arrays/integer.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 import numbers
 from typing import TYPE_CHECKING, Dict, List, Optional, Tuple, Type, Union
 import warnings

pandas/core/arrays/interval.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 from operator import le, lt
 import textwrap
 

pandas/core/arrays/masked.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 from typing import TYPE_CHECKING, Optional, Tuple, Type, TypeVar
 
 import numpy as np

pandas/core/arrays/numpy_.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 import numbers
 from typing import Optional, Tuple, Type, Union
 

pandas/core/arrays/period.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 from datetime import timedelta
 import operator
 from typing import Any, Callable, List, Optional, Sequence, Type, Union

pandas/core/arrays/sparse/accessor.py

@@ -1,5 +1,7 @@
 """Sparse accessor"""
 
+from __future__ import annotations
+
 import numpy as np
 
 from pandas.compat._optional import import_optional_dependency

pandas/core/arrays/sparse/array.py

@@ -1,6 +1,8 @@
 """
 SparseArray data structure
 """
+from __future__ import annotations
+
 from collections import abc
 import numbers
 import operator

pandas/core/arrays/sparse/dtype.py

@@ -1,5 +1,7 @@
 """Sparse Dtype"""
 
+from __future__ import annotations
+
 import re
 from typing import TYPE_CHECKING, Any, List, Optional, Tuple, Type
 import warnings

pandas/core/arrays/sparse/scipy_sparse.py

@@ -3,6 +3,8 @@
 
 Currently only includes to_coo helpers.
 """
+from __future__ import annotations
+
 from pandas.core.indexes.api import Index, MultiIndex
 from pandas.core.series import Series
 

pandas/core/arrays/string_.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 import operator
 from typing import TYPE_CHECKING, Type, Union
 

pandas/core/arrays/timedeltas.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 from datetime import timedelta
 from typing import List
 

pandas/core/base.py

@@ -2,6 +2,8 @@
 Base and utility classes for pandas objects.
 """
 
+from __future__ import annotations
+
 import builtins
 import textwrap
 from typing import Any, Dict, FrozenSet, List, Optional, Union

pandas/core/common.py

@@ -4,6 +4,8 @@
 Note: pandas.core.common is *not* part of the public API.
 """
 
+from __future__ import annotations
+
 from collections import abc, defaultdict
 import contextlib
 from datetime import datetime, timedelta

pandas/core/computation/align.py

@@ -2,6 +2,8 @@
 Core eval alignment algorithms.
 """
 
+from __future__ import annotations
+
 from functools import partial, wraps
 from typing import Dict, Optional, Sequence, Tuple, Type, Union
 import warnings

pandas/core/computation/common.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 from functools import reduce
 
 import numpy as np

pandas/core/computation/engines.py

@@ -2,6 +2,8 @@
 Engine classes for :func:`~pandas.eval`
 """
 
+from __future__ import annotations
+
 import abc
 from typing import Dict, Type
 

pandas/core/computation/eval.py

@@ -2,6 +2,8 @@
 Top level ``eval`` module.
 """
 
+from __future__ import annotations
+
 import tokenize
 from typing import Optional
 import warnings

pandas/core/computation/expr.py

@@ -2,6 +2,8 @@
 :func:`~pandas.eval` parsers.
 """
 
+from __future__ import annotations
+
 import ast
 from functools import partial, reduce
 from keyword import iskeyword

pandas/core/computation/expressions.py

@@ -5,6 +5,8 @@
 Offer fast expression evaluation through numexpr
 
 """
+from __future__ import annotations
+
 import operator
 from typing import List, Set
 import warnings

pandas/core/computation/ops.py

@@ -2,6 +2,8 @@
 Operator classes for eval.
 """
 
+from __future__ import annotations
+
 from datetime import datetime
 from distutils.version import LooseVersion
 from functools import partial

pandas/core/computation/parsing.py

@@ -2,6 +2,8 @@
 :func:`~pandas.eval` source string parsing functions
 """
 
+from __future__ import annotations
+
 from io import StringIO
 from keyword import iskeyword
 import token

pandas/core/computation/pytables.py

@@ -1,5 +1,7 @@
 """ manage PyTables query interface via Expressions """
 
+from __future__ import annotations
+
 import ast
 from functools import partial
 from typing import Any, Dict, Optional, Tuple

pandas/core/computation/scope.py

@@ -2,6 +2,8 @@
 Module for scope operations
 """
 
+from __future__ import annotations
+
 import datetime
 import inspect
 from io import StringIO

pandas/core/dtypes/base.py

@@ -2,6 +2,8 @@
 Extend pandas with custom array types.
 """
 
+from __future__ import annotations
+
 from typing import TYPE_CHECKING, Any, List, Optional, Tuple, Type, Union
 
 import numpy as np

pandas/core/dtypes/cast.py

@@ -2,6 +2,8 @@
 Routines for casting.
 """
 
+from __future__ import annotations
+
 from datetime import date, datetime, timedelta
 from typing import TYPE_CHECKING, Any, List, Optional, Tuple, Type
 

pandas/core/dtypes/common.py

@@ -2,6 +2,8 @@
 Common type operations.
 """
 
+from __future__ import annotations
+
 from typing import Any, Callable, Union
 import warnings
 

pandas/core/dtypes/concat.py

@@ -1,6 +1,8 @@
 """
 Utility functions related to concat.
 """
+from __future__ import annotations
+
 from typing import cast
 
 import numpy as np

pandas/core/dtypes/dtypes.py

@@ -1,6 +1,7 @@
 """
 Define extension dtypes.
 """
+from __future__ import annotations
 
 import re
 from typing import (

pandas/core/dtypes/inference.py

@@ -1,5 +1,7 @@
 """ basic inference routines """
 
+from __future__ import annotations
+
 from collections import abc
 from numbers import Number
 import re

pandas/core/dtypes/missing.py

@@ -1,6 +1,8 @@
 """
 missing types & inference
 """
+from __future__ import annotations
+
 from functools import partial
 
 import numpy as np