bpo-38659: [Enum] add _simple_enum decorator (GH-25497)
add:
* `_simple_enum` decorator to transform a normal class into an enum
* `_test_simple_enum` function to compare
* `_old_convert_` to enable checking `_convert_` generated enums
`_simple_enum` takes a normal class and converts it into an enum:
@simple_enum(Enum)
class Color:
RED = 1
GREEN = 2
BLUE = 3
`_old_convert_` works much like` _convert_` does, using the original logic:
# in a test file
import socket, enum
CheckedAddressFamily = enum._old_convert_(
enum.IntEnum, 'AddressFamily', 'socket',
lambda C: C.isupper() and C.startswith('AF_'),
source=_socket,
)
`_test_simple_enum` takes a traditional enum and a simple enum and
compares the two:
# in the REPL or the same module as Color
class CheckedColor(Enum):
RED = 1
GREEN = 2
BLUE = 3
_test_simple_enum(CheckedColor, Color)
_test_simple_enum(CheckedAddressFamily, socket.AddressFamily)
Any important differences will raise a TypeErrordiff --git a/Lib/test/test_pstats.py b/Lib/test/test_pstats.py
index 4f78b99..acc2fa5 100644
--- a/Lib/test/test_pstats.py
+++ b/Lib/test/test_pstats.py
@@ -3,6 +3,7 @@
from test import support
from io import StringIO
from pstats import SortKey
+from enum import StrEnum, _test_simple_enum
import pstats
import cProfile
@@ -67,6 +68,25 @@ def test_sort_stats_enum(self):
self.assertEqual(
self.stats.sort_type,
self.stats.sort_arg_dict_default[member.value][-1])
+ class CheckedSortKey(StrEnum):
+ CALLS = 'calls', 'ncalls'
+ CUMULATIVE = 'cumulative', 'cumtime'
+ FILENAME = 'filename', 'module'
+ LINE = 'line'
+ NAME = 'name'
+ NFL = 'nfl'
+ PCALLS = 'pcalls'
+ STDNAME = 'stdname'
+ TIME = 'time', 'tottime'
+ def __new__(cls, *values):
+ value = values[0]
+ obj = str.__new__(cls, value)
+ obj._value_ = value
+ for other_value in values[1:]:
+ cls._value2member_map_[other_value] = obj
+ obj._all_values = values
+ return obj
+ _test_simple_enum(CheckedSortKey, SortKey)
def test_sort_starts_mix(self):
self.assertRaises(TypeError, self.stats.sort_stats,