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+from . import EnumMeta, Enum, IntEnum, Flag, IntFlag, StrEnum, UniqueEnum, AutoEnum, AddValueEnum
+from . import NamedTuple, TupleSize, MagicValue, AddValue, NoAlias, Unique, MultiValue
+from . import AutoNumberEnum,MultiValueEnum, OrderedEnum, unique, skip, extend_enum, auto
+from . import StdlibEnumMeta, StdlibEnum, StdlibIntEnum, StdlibFlag, StdlibIntFlag, StdlibStrEnum
+from . import pyver, PY3_3, PY3_4, PY3_5, PY3_6, PY3_11
+from . import add_stdlib_integration, remove_stdlib_integration
+
+from collections import OrderedDict
+from datetime import timedelta
+from pickle import dumps, loads, PicklingError, HIGHEST_PROTOCOL
+from unittest import TestCase, main
+
+import os
+import sys
+import tempfile
+import textwrap
+import unittest
+
+try:
+ import pyparsing
+except (ImportError, SyntaxError):
+ pyparsing = None
+
+try:
+ RecursionError
+except NameError:
+ # python3.4
+ RecursionError = RuntimeError
+
+class TestEnumV3(TestCase):
+
+ def setUp(self):
+ class Season(Enum):
+ SPRING = 1
+ SUMMER = 2
+ AUTUMN = 3
+ WINTER = 4
+ self.Season = Season
+
+ class Konstants(float, Enum):
+ E = 2.7182818
+ PI = 3.1415926
+ TAU = 2 * PI
+ self.Konstants = Konstants
+
+ class Grades(IntEnum):
+ A = 5
+ B = 4
+ C = 3
+ D = 2
+ F = 0
+ self.Grades = Grades
+
+ class Directional(str, Enum):
+ EAST = 'east'
+ WEST = 'west'
+ NORTH = 'north'
+ SOUTH = 'south'
+ self.Directional = Directional
+
+ from datetime import date
+ class Holiday(date, Enum):
+ NEW_YEAR = 2013, 1, 1
+ IDES_OF_MARCH = 2013, 3, 15
+ self.Holiday = Holiday
+
+ @unittest.skipUnless(StdlibEnumMeta, 'Stdlib enum not available')
+ def test_stdlib_inheritence(self):
+ # 3.4
+ self.assertTrue(issubclass(self.Season, StdlibEnum))
+ self.assertTrue(isinstance(self.Season.SPRING, StdlibEnum))
+ #
+ if pyver >= PY3_6:
+ class AFlag(Flag):
+ one = 1
+ self.assertTrue(issubclass(AFlag, StdlibEnum))
+ self.assertTrue(isinstance(AFlag.one, StdlibEnum))
+ self.assertTrue(issubclass(AFlag, StdlibFlag))
+ self.assertTrue(isinstance(AFlag.one, StdlibFlag))
+ #
+ class AnIntFlag(IntFlag):
+ one = 1
+ self.assertTrue(issubclass(AnIntFlag, StdlibEnum))
+ self.assertTrue(isinstance(AnIntFlag.one, StdlibEnum))
+ self.assertTrue(issubclass(AnIntFlag, StdlibFlag))
+ self.assertTrue(isinstance(AnIntFlag.one, StdlibFlag))
+ self.assertTrue(issubclass(AnIntFlag, StdlibIntFlag))
+ self.assertTrue(isinstance(AnIntFlag.one, StdlibIntFlag))
+ #
+ if pyver >= PY3_11:
+ class AStrEnum(StrFlag):
+ one = '1'
+ self.assertTrue(issubclass(AStrEnum, StdlibEnum))
+ self.assertTrue(isinstance(AStrEnum.one, StdlibEnum))
+ self.assertTrue(issubclass(AStrEnum, StdlibStrEnum))
+ self.assertTrue(isinstance(AStrEnum.one, StdlibStrEnum))
+
+ @unittest.skipUnless(StdlibEnumMeta, 'Stdlib enum not available')
+ def test_stdlib_bad_getattribute(self):
+ class BadEnumType(StdlibEnumMeta):
+ def __getattribute__(cls, name):
+ obj = super().__getattribute__(name)
+ if isinstance(obj, cls):
+ obj.deprecate()
+ return obj
+ with self.assertRaisesRegex(RecursionError, 'endless recursion'):
+ class BaseEnum(StdlibEnum):
+ pass
+ class BadEnum(BaseEnum, metaclass=BadEnumType):
+ FOO = 'bar'
+ try:
+ remove_stdlib_integration()
+ class OkayEnum(StdlibEnum, metaclass=BadEnumType):
+ FOO = 'bar'
+ finally:
+ add_stdlib_integration()
+
+ @unittest.skipUnless(pyver >= PY3_5, '__qualname__ requires python 3.5 or greater')
+ def test_pickle_enum_function_with_qualname(self):
+ Theory = Enum('Theory', 'rule law supposition', qualname='spanish_inquisition')
+ globals()['spanish_inquisition'] = Theory
+ test_pickle_dump_load(self.assertTrue, Theory.rule)
+ test_pickle_dump_load(self.assertTrue, Theory)
+
+ def test_auto_init(self):
+ class Planet(Enum, init='mass radius'):
+ MERCURY = (3.303e+23, 2.4397e6)
+ VENUS = (4.869e+24, 6.0518e6)
+ EARTH = (5.976e+24, 6.37814e6)
+ MARS = (6.421e+23, 3.3972e6)
+ JUPITER = (1.9e+27, 7.1492e7)
+ SATURN = (5.688e+26, 6.0268e7)
+ URANUS = (8.686e+25, 2.5559e7)
+ NEPTUNE = (1.024e+26, 2.4746e7)
+ @property
+ def surface_gravity(self):
+ # universal gravitational constant (m3 kg-1 s-2)
+ G = 6.67300E-11
+ return G * self.mass / (self.radius * self.radius)
+ self.assertEqual(round(Planet.EARTH.surface_gravity, 2), 9.80)
+ self.assertEqual(Planet.EARTH.value, (5.976e+24, 6.37814e6))
+
+ def test_auto_init_with_value(self):
+ class Color(Enum, init='value, rgb'):
+ RED = 1, (1, 0, 0)
+ BLUE = 2, (0, 1, 0)
+ GREEN = 3, (0, 0, 1)
+ self.assertEqual(Color.RED.value, 1)
+ self.assertEqual(Color.BLUE.value, 2)
+ self.assertEqual(Color.GREEN.value, 3)
+ self.assertEqual(Color.RED.rgb, (1, 0, 0))
+ self.assertEqual(Color.BLUE.rgb, (0, 1, 0))
+ self.assertEqual(Color.GREEN.rgb, (0, 0, 1))
+
+ def test_auto_turns_off(self):
+ with self.assertRaises(NameError):
+ class Color(Enum, settings=MagicValue):
+ red
+ green
+ blue
+ def hello(self):
+ print('Hello! My serial is %s.' % self.value)
+ rose
+ with self.assertRaises(NameError):
+ class Color(Enum, settings=MagicValue):
+ red
+ green
+ blue
+ def __init__(self, *args):
+ pass
+ rose
+
+ def test_magic(self):
+ class Color(Enum, settings=MagicValue):
+ red, green, blue
+ self.assertEqual(list(Color), [Color.red, Color.green, Color.blue])
+ self.assertEqual(Color.red.value, 1)
+
+ def test_ignore_not_overridden(self):
+ with self.assertRaisesRegex(TypeError, 'object is not callable'):
+ class Color(Flag):
+ _ignore_ = 'irrelevent'
+ _settings_ = MagicValue
+ @property
+ def shade(self):
+ print('I am light', self.name.lower())
+
+ def test_magic_start(self):
+ class Color(Enum, settings=MagicValue, start=0):
+ red, green, blue
+ self.assertEqual(list(Color), [Color.red, Color.green, Color.blue])
+ self.assertEqual(Color.red.value, 0)
+
+ def test_dir_on_class(self):
+ Season = self.Season
+ self.assertEqual(
+ set(dir(Season)),
+ set(['__class__', '__doc__', '__members__', '__module__',
+ 'SPRING', 'SUMMER', 'AUTUMN', 'WINTER',
+ '__init_subclass__', '__name__', '__getitem__', '__len__',
+ '__contains__', '__iter__', '__qualname__',
+ ]))
+
+ def test_dir_on_item(self):
+ Season = self.Season
+ self.assertEqual(
+ set(dir(Season.WINTER)),
+ set(['__class__', '__doc__', '__eq__', '__hash__', '__module__', 'name', 'value', 'values']),
+ )
+
+ def test_dir_with_added_behavior(self):
+ class Test(Enum):
+ this = 'that'
+ these = 'those'
+ def wowser(self):
+ return ("Wowser! I'm %s!" % self.name)
+ self.assertEqual(
+ set(dir(Test)),
+ set([
+ '__class__', '__doc__', '__members__', '__module__', 'this', 'these',
+ '__init_subclass__', '__name__', '__getitem__', '__len__',
+ '__contains__', '__iter__', '__qualname__',
+ ]))
+ self.assertEqual(
+ set(dir(Test.this)),
+ set(['__class__', '__doc__', '__eq__', '__hash__', '__module__', 'name', 'value', 'values', 'wowser']),
+ )
+
+ def test_dir_on_sub_with_behavior_on_super(self):
+ # see issue22506
+ class SuperEnum(Enum):
+ def invisible(self):
+ return "did you see me?"
+ class SubEnum(SuperEnum):
+ sample = 5
+ self.assertEqual(
+ set(dir(SubEnum.sample)),
+ set(['__class__', '__doc__', '__eq__', '__hash__', '__module__', 'name', 'value', 'values', 'invisible']),
+ )
+
+ def test_members_are_always_ordered(self):
+ class AlwaysOrdered(Enum):
+ first = 1
+ second = 2
+ third = 3
+ self.assertTrue(type(AlwaysOrdered.__members__) is OrderedDict)
+
+ def test_comparisons(self):
+ def bad_compare():
+ Season.SPRING > 4
+ Season = self.Season
+ self.assertNotEqual(Season.SPRING, 1)
+ self.assertRaises(TypeError, bad_compare)
+
+ class Part(Enum):
+ SPRING = 1
+ CLIP = 2
+ BARREL = 3
+
+ self.assertNotEqual(Season.SPRING, Part.SPRING)
+ def bad_compare():
+ Season.SPRING < Part.CLIP
+ self.assertRaises(TypeError, bad_compare)
+
+ def test_duplicate_name(self):
+ with self.assertRaises(TypeError):
+ class Color1(Enum):
+ red = 1
+ green = 2
+ blue = 3
+ red = 4
+
+ with self.assertRaises(TypeError):
+ class Color2(Enum):
+ red = 1
+ green = 2
+ blue = 3
+ def red(self):
+ return 'red'
+
+ with self.assertRaises(TypeError):
+ class Color3(Enum):
+ @property
+ def red(self):
+ return 'redder'
+ red = 1
+ green = 2
+ blue = 3
+
+ def test_duplicate_value_with_unique(self):
+ with self.assertRaises(ValueError):
+ class Color(Enum, settings=Unique):
+ red = 1
+ green = 2
+ blue = 3
+ rojo = 1
+
+ def test_duplicate_value_with_noalias(self):
+ class Color(Enum, settings=NoAlias):
+ red = 1
+ green = 2
+ blue = 3
+ rojo = 1
+ self.assertFalse(Color.red is Color.rojo)
+ self.assertEqual(Color.red.value, 1)
+ self.assertEqual(Color.rojo.value, 1)
+ self.assertEqual(len(Color), 4)
+ self.assertEqual(list(Color), [Color.red, Color.green, Color.blue, Color.rojo])
+
+ def test_noalias_value_lookup(self):
+ class Color(Enum, settings=NoAlias):
+ red = 1
+ green = 2
+ blue = 3
+ rojo = 1
+ self.assertRaises(TypeError, Color, 2)
+
+ def test_multivalue(self):
+ class Color(Enum, settings=MultiValue):
+ red = 1, 'red'
+ green = 2, 'green'
+ blue = 3, 'blue'
+ self.assertEqual(Color.red.value, 1)
+ self.assertIs(Color('green'), Color.green)
+ self.assertEqual(Color.blue.values, (3, 'blue'))
+
+ def test_multivalue_with_duplicate_values(self):
+ with self.assertRaises(ValueError):
+ class Color(Enum, settings=MultiValue):
+ red = 1, 'red'
+ green = 2, 'green'
+ blue = 3, 'blue', 'red'
+
+ def test_multivalue_with_duplicate_values_and_noalias(self):
+ with self.assertRaises(TypeError):
+ class Color(Enum, settings=(MultiValue, NoAlias)):
+ red = 1, 'red'
+ green = 2, 'green'
+ blue = 3, 'blue', 'red'
+
+ def test_multivalue_and_auto(self):
+ with self.assertRaisesRegex(TypeError, r'MultiValue and MagicValue are mutually exclusive'):
+ class Color(Enum, settings=(MultiValue, MagicValue)):
+ red
+ green = 3, 'green'
+ blue
+
+ def test_autonumber_and_init(self):
+ class Field(IntEnum, settings=AddValue, init='__doc__'):
+ TYPE = "Char, Date, Logical, etc."
+ START = "Field offset in record"
+ self.assertEqual(Field.TYPE, 1)
+ self.assertEqual(Field.START, 2)
+ self.assertEqual(Field.TYPE.__doc__, 'Char, Date, Logical, etc.')
+ self.assertEqual(Field.START.__doc__, 'Field offset in record')
+ self.assertFalse(hasattr(Field, '_order_'))
+
+ def test_autovalue_and_init(self):
+ class Field(IntEnum, init='value __doc__'):
+ TYPE = "Char, Date, Logical, etc."
+ START = "Field offset in record"
+ self.assertEqual(Field.TYPE, 1)
+ self.assertEqual(Field.START.__doc__, 'Field offset in record')
+
+ def test_autonumber_and_start(self):
+ class Field(IntEnum, init='__doc__', settings=AddValue, start=0):
+ TYPE = "Char, Date, Logical, etc."
+ START = "Field offset in record"
+ self.assertEqual(Field.TYPE, 0)
+ self.assertEqual(Field.START, 1)
+ self.assertEqual(Field.TYPE.__doc__, 'Char, Date, Logical, etc.')
+ self.assertEqual(Field.START.__doc__, 'Field offset in record')
+
+ def test_autonumber_and_init_and_some_values(self):
+ class Field(IntEnum, init='value __doc__'):
+ TYPE = "Char, Date, Logical, etc."
+ START = "Field offset in record"
+ BLAH = 5, "test blah"
+ BELCH = 'test belch'
+ self.assertEqual(Field.TYPE, 1)
+ self.assertEqual(Field.START, 2)
+ self.assertEqual(Field.BLAH, 5)
+ self.assertEqual(Field.BELCH, 6)
+ self.assertEqual(Field.TYPE.__doc__, 'Char, Date, Logical, etc.')
+ self.assertEqual(Field.START.__doc__, 'Field offset in record')
+ self.assertEqual(Field.BLAH.__doc__, 'test blah')
+ self.assertEqual(Field.BELCH.__doc__, 'test belch')
+
+ def test_autonumber_with_irregular_values(self):
+ class Point(AutoNumberEnum, init='x y'):
+ first = 7, 9
+ second = 11, 13
+ self.assertEqual(Point.first.value, 1)
+ self.assertEqual(Point.first.x, 7)
+ self.assertEqual(Point.first.y, 9)
+ self.assertEqual(Point.second.value, 2)
+ self.assertEqual(Point.second.x, 11)
+ self.assertEqual(Point.second.y, 13)
+ with self.assertRaisesRegex(TypeError, '.*number of fields provided do not match init ...x., .y.. != .3, 11, 13..'):
+ class Point(AutoNumberEnum, init='x y'):
+ first = 7, 9
+ second = 3, 11, 13
+ class Color(AutoNumberEnum, init='__doc__'):
+ # interactions between AutoNumberEnum and _generate_next_value_ may not be pretty
+ red = ()
+ green = 'red'
+ blue = ()
+ self.assertTrue(Color.red.__doc__, 1)
+ self.assertEqual(Color.green.__doc__, 'red')
+ self.assertTrue(Color.blue.__doc__, 2)
+
+ def test_autonumber_and_property(self):
+ with self.assertRaises(TypeError):
+ class Color(AutoEnum):
+ _ignore_ = ()
+ red = ()
+ green = ()
+ blue = ()
+ @property
+ def cap_name(self) -> str:
+ return self.name.title()
+
+ def test_autoenum(self):
+ class Color(AutoEnum):
+ red
+ green
+ blue
+ self.assertEqual(list(Color), [Color.red, Color.green, Color.blue])
+ self.assertEqual([m.value for m in Color], [1, 2, 3])
+ self.assertEqual([m.name for m in Color], ['red', 'green', 'blue'])
+
+ def test_autoenum_with_str(self):
+ class Color(AutoEnum):
+ def _generate_next_value_(name, start, count, last_values):
+ return name
+ red
+ green
+ blue
+ self.assertEqual(list(Color), [Color.red, Color.green, Color.blue])
+ self.assertEqual([m.value for m in Color], ['red', 'green', 'blue'])
+ self.assertEqual([m.name for m in Color], ['red', 'green', 'blue'])
+
+ def test_autoenum_and_default_ignore(self):
+ class Color(AutoEnum):
+ red
+ green
+ blue
+ @property
+ def cap_name(self):
+ return self.name.title()
+ self.assertEqual(Color.blue.cap_name, 'Blue')
+
+ def test_autonumber_and_overridden_ignore(self):
+ with self.assertRaises(TypeError):
+ class Color(AutoEnum):
+ _ignore_ = 'staticmethod'
+ red
+ green
+ blue
+ @property
+ def cap_name(self) -> str:
+ return self.name.title()
+
+ def test_autonumber_and_multiple_assignment(self):
+ class Color(AutoEnum):
+ _ignore_ = 'property'
+ red
+ green
+ blue = cyan
+ @property
+ def cap_name(self) -> str:
+ return self.name.title()
+ self.assertEqual(Color.blue.cap_name, 'Cyan')
+
+ def test_multivalue_and_autonumber_inherited(self):
+ class Measurement(int, Enum, settings=(MultiValue, AddValue), start=0):
+ one = "20110721"
+ two = "20120911"
+ three = "20110518"
+ M = Measurement
+ self.assertEqual(M.one, 0)
+ self.assertTrue(M.one is M(0) is M('20110721'))
+
+ def test_combine_new_settings_with_old_settings(self):
+ class Auto(Enum, settings=Unique):
+ pass
+ with self.assertRaises(ValueError):
+ class AutoUnique(Auto, settings=MagicValue):
+ BLAH
+ BLUH
+ ICK = 1
+
+ def test_timedelta(self):
+ class Period(timedelta, Enum):
+ '''
+ different lengths of time
+ '''
+ _init_ = 'value period'
+ _settings_ = NoAlias
+ _ignore_ = 'Period i'
+ Period = vars()
+ for i in range(31):
+ Period['day_%d' % i] = i, 'day'
+ for i in range(15):
+ Period['week_%d' % i] = i*7, 'week'
+ for i in range(12):
+ Period['month_%d' % i] = i*30, 'month'
+ OneDay = day_1
+ OneWeek = week_1
+ self.assertFalse(hasattr(Period, '_ignore_'))
+ self.assertFalse(hasattr(Period, 'Period'))
+ self.assertFalse(hasattr(Period, 'i'))
+ self.assertTrue(isinstance(Period.day_1, timedelta))
+
+ def test_extend_enum_plain(self):
+ class Color(UniqueEnum):
+ red = 1
+ green = 2
+ blue = 3
+ extend_enum(Color, 'brown', 4)
+ self.assertEqual(Color.brown.name, 'brown')
+ self.assertEqual(Color.brown.value, 4)
+ self.assertTrue(Color.brown in Color)
+ self.assertEqual(len(Color), 4)
+
+ def test_extend_enum_shadow(self):
+ class Color(UniqueEnum):
+ red = 1
+ green = 2
+ blue = 3
+ extend_enum(Color, 'value', 4)
+ self.assertEqual(Color.value.name, 'value')
+ self.assertEqual(Color.value.value, 4)
+ self.assertTrue(Color.value in Color)
+ self.assertEqual(len(Color), 4)
+ self.assertEqual(Color.red.value, 1)
+
+ def test_extend_enum_generate(self):
+ class Foo(AutoEnum):
+ def _generate_next_value_(name, start, count, values, *args, **kwds):
+ return name
+ a
+ b
+ #
+ extend_enum(Foo, 'c')
+ self.assertEqual(Foo.a.value, 'a')
+ self.assertEqual(Foo.b.value, 'b')
+ self.assertEqual(Foo.c.value, 'c')
+
+ def test_extend_enum_unique_with_duplicate(self):
+ with self.assertRaises(ValueError):
+ class Color(Enum, settings=Unique):
+ red = 1
+ green = 2
+ blue = 3
+ extend_enum(Color, 'value', 1)
+
+ def test_extend_enum_multivalue_with_duplicate(self):
+ with self.assertRaises(ValueError):
+ class Color(Enum, settings=MultiValue):
+ red = 1, 'rojo'
+ green = 2, 'verde'
+ blue = 3, 'azul'
+ extend_enum(Color, 'value', 2)
+
+ def test_extend_enum_noalias_with_duplicate(self):
+ class Color(Enum, settings=NoAlias):
+ red = 1
+ green = 2
+ blue = 3
+ extend_enum(Color, 'value', 3, )
+ self.assertRaises(TypeError, Color, 3)
+ self.assertFalse(Color.value is Color.blue)
+ self.assertTrue(Color.value.value, 3)
+
+ def test_no_duplicates(self):
+ def bad_duplicates():
+ class Color(UniqueEnum):
+ red = 1
+ green = 2
+ blue = 3
+ class Color(UniqueEnum):
+ red = 1
+ green = 2
+ blue = 3
+ grene = 2
+ self.assertRaises(ValueError, bad_duplicates)
+
+ def test_no_duplicates_kinda(self):
+ class Silly(UniqueEnum):
+ one = 1
+ two = 'dos'
+ name = 3
+ class Sillier(IntEnum, UniqueEnum):
+ single = 1
+ name = 2
+ triple = 3
+ value = 4
+
+ def test_auto_number(self):
+ class Color(Enum, settings=MagicValue):
+ red
+ blue
+ green
+
+ self.assertEqual(list(Color), [Color.red, Color.blue, Color.green])
+ self.assertEqual(Color.red.value, 1)
+ self.assertEqual(Color.blue.value, 2)
+ self.assertEqual(Color.green.value, 3)
+
+ def test_auto_name(self):
+ class Color(Enum, settings=MagicValue):
+ def _generate_next_value_(name, start, count, last):
+ return name
+ red
+ blue
+ green
+
+ self.assertEqual(list(Color), [Color.red, Color.blue, Color.green])
+ self.assertEqual(Color.red.value, 'red')
+ self.assertEqual(Color.blue.value, 'blue')
+ self.assertEqual(Color.green.value, 'green')
+
+ def test_auto_name_inherit(self):
+ class AutoNameEnum(Enum):
+ def _generate_next_value_(name, start, count, last):
+ return name
+ class Color(AutoNameEnum, settings=MagicValue):
+ red
+ blue
+ green
+
+ self.assertEqual(list(Color), [Color.red, Color.blue, Color.green])
+ self.assertEqual(Color.red.value, 'red')
+ self.assertEqual(Color.blue.value, 'blue')
+ self.assertEqual(Color.green.value, 'green')
+
+ def test_auto_garbage(self):
+ class Color(Enum):
+ _settings_ = MagicValue
+ red = 'red'
+ blue
+ self.assertEqual(Color.blue.value, 1)
+
+ def test_auto_garbage_corrected(self):
+ class Color(Enum, settings=MagicValue):
+ red = 'red'
+ blue = 2
+ green
+
+ self.assertEqual(list(Color), [Color.red, Color.blue, Color.green])
+ self.assertEqual(Color.red.value, 'red')
+ self.assertEqual(Color.blue.value, 2)
+ self.assertEqual(Color.green.value, 3)
+
+ def test_duplicate_auto(self):
+ class Dupes(Enum, settings=MagicValue):
+ first = primero
+ second
+ third
+ self.assertEqual([Dupes.first, Dupes.second, Dupes.third], list(Dupes))
+
+ def test_order_as_function(self):
+ # first with _init_
+ class TestSequence(Enum):
+ _init_ = 'value, sequence'
+ _order_ = lambda member: member.sequence
+ item_id = 'An$(1,6)', 0 # Item Code
+ company_id = 'An$(7,2)', 1 # Company Code
+ warehouse_no = 'An$(9,4)', 2 # Warehouse Number
+ company = 'Hn$(13,6)', 3 # 4 SPACES + COMPANY
+ key_type = 'Cn$(19,3)', 4 # Key Type = '1**'
+ available = 'Zn$(1,1)', 5 # Available?
+ contract_item = 'Bn(2,1)', 6 # Contract Item?
+ sales_category = 'Fn', 7 # Sales Category
+ gl_category = 'Rn$(5,1)', 8 # G/L Category
+ warehouse_category = 'Sn$(6,1)', 9 # Warehouse Category
+ inv_units = 'Qn$(7,2)', 10 # Inv Units
+ for i, member in enumerate(TestSequence):
+ self.assertEqual(i, member.sequence)
+ ts = TestSequence
+ self.assertEqual(ts.item_id.name, 'item_id')
+ self.assertEqual(ts.item_id.value, 'An$(1,6)')
+ self.assertEqual(ts.item_id.sequence, 0)
+ self.assertEqual(ts.company_id.name, 'company_id')
+ self.assertEqual(ts.company_id.value, 'An$(7,2)')
+ self.assertEqual(ts.company_id.sequence, 1)
+ self.assertEqual(ts.warehouse_no.name, 'warehouse_no')
+ self.assertEqual(ts.warehouse_no.value, 'An$(9,4)')
+ self.assertEqual(ts.warehouse_no.sequence, 2)
+ self.assertEqual(ts.company.name, 'company')
+ self.assertEqual(ts.company.value, 'Hn$(13,6)')
+ self.assertEqual(ts.company.sequence, 3)
+ self.assertEqual(ts.key_type.name, 'key_type')
+ self.assertEqual(ts.key_type.value, 'Cn$(19,3)')
+ self.assertEqual(ts.key_type.sequence, 4)
+ self.assertEqual(ts.available.name, 'available')
+ self.assertEqual(ts.available.value, 'Zn$(1,1)')
+ self.assertEqual(ts.available.sequence, 5)
+ self.assertEqual(ts.contract_item.name, 'contract_item')
+ self.assertEqual(ts.contract_item.value, 'Bn(2,1)')
+ self.assertEqual(ts.contract_item.sequence, 6)
+ self.assertEqual(ts.sales_category.name, 'sales_category')
+ self.assertEqual(ts.sales_category.value, 'Fn')
+ self.assertEqual(ts.sales_category.sequence, 7)
+ self.assertEqual(ts.gl_category.name, 'gl_category')
+ self.assertEqual(ts.gl_category.value, 'Rn$(5,1)')
+ self.assertEqual(ts.gl_category.sequence, 8)
+ self.assertEqual(ts.warehouse_category.name, 'warehouse_category')
+ self.assertEqual(ts.warehouse_category.value, 'Sn$(6,1)')
+ self.assertEqual(ts.warehouse_category.sequence, 9)
+ self.assertEqual(ts.inv_units.name, 'inv_units')
+ self.assertEqual(ts.inv_units.value, 'Qn$(7,2)')
+ self.assertEqual(ts.inv_units.sequence, 10)
+ # and then without
+ class TestSequence(Enum):
+ _order_ = lambda member: member.value[1]
+ item_id = 'An$(1,6)', 0 # Item Code
+ company_id = 'An$(7,2)', 1 # Company Code
+ warehouse_no = 'An$(9,4)', 2 # Warehouse Number
+ company = 'Hn$(13,6)', 3 # 4 SPACES + COMPANY
+ key_type = 'Cn$(19,3)', 4 # Key Type = '1**'
+ available = 'Zn$(1,1)', 5 # Available?
+ contract_item = 'Bn(2,1)', 6 # Contract Item?
+ sales_category = 'Fn', 7 # Sales Category
+ gl_category = 'Rn$(5,1)', 8 # G/L Category
+ warehouse_category = 'Sn$(6,1)', 9 # Warehouse Category
+ inv_units = 'Qn$(7,2)', 10 # Inv Units
+ for i, member in enumerate(TestSequence):
+ self.assertEqual(i, member.value[1])
+ ts = TestSequence
+ self.assertEqual(ts.item_id.name, 'item_id')
+ self.assertEqual(ts.item_id.value, ('An$(1,6)', 0))
+ self.assertEqual(ts.company_id.name, 'company_id')
+ self.assertEqual(ts.company_id.value, ('An$(7,2)', 1))
+ self.assertEqual(ts.warehouse_no.name, 'warehouse_no')
+ self.assertEqual(ts.warehouse_no.value, ('An$(9,4)', 2))
+ self.assertEqual(ts.company.name, 'company')
+ self.assertEqual(ts.company.value, ('Hn$(13,6)', 3))
+ self.assertEqual(ts.key_type.name, 'key_type')
+ self.assertEqual(ts.key_type.value, ('Cn$(19,3)', 4))
+ self.assertEqual(ts.available.name, 'available')
+ self.assertEqual(ts.available.value, ('Zn$(1,1)', 5))
+ self.assertEqual(ts.contract_item.name, 'contract_item')
+ self.assertEqual(ts.contract_item.value, ('Bn(2,1)', 6))
+ self.assertEqual(ts.sales_category.name, 'sales_category')
+ self.assertEqual(ts.sales_category.value, ('Fn', 7))
+ self.assertEqual(ts.gl_category.name, 'gl_category')
+ self.assertEqual(ts.gl_category.value, ('Rn$(5,1)', 8))
+ self.assertEqual(ts.warehouse_category.name, 'warehouse_category')
+ self.assertEqual(ts.warehouse_category.value, ('Sn$(6,1)', 9))
+ self.assertEqual(ts.inv_units.name, 'inv_units')
+ self.assertEqual(ts.inv_units.value, ('Qn$(7,2)', 10))
+ # then with _init_ but without value
+ with self.assertRaises(TypeError):
+ class TestSequence(Enum):
+ _init_ = 'sequence'
+ _order_ = lambda member: member.sequence
+ item_id = 'An$(1,6)', 0 # Item Code
+ company_id = 'An$(7,2)', 1 # Company Code
+ warehouse_no = 'An$(9,4)', 2 # Warehouse Number
+ company = 'Hn$(13,6)', 3 # 4 SPACES + COMPANY
+ key_type = 'Cn$(19,3)', 4 # Key Type = '1**'
+ available = 'Zn$(1,1)', 5 # Available?
+ contract_item = 'Bn(2,1)', 6 # Contract Item?
+ sales_category = 'Fn', 7 # Sales Category
+ gl_category = 'Rn$(5,1)', 8 # G/L Category
+ warehouse_category = 'Sn$(6,1)', 9 # Warehouse Category
+ inv_units = 'Qn$(7,2)', 10 # Inv Units
+ # finally, out of order so Python 3 barfs
+ with self.assertRaises(TypeError):
+ class TestSequence(Enum):
+ _init_ = 'sequence'
+ _order_ = lambda member: member.sequence
+ item_id = 'An$(1,6)', 0 # Item Code
+ warehouse_no = 'An$(9,4)', 2 # Warehouse Number
+ company = 'Hn$(13,6)', 3 # 4 SPACES + COMPANY
+ company_id = 'An$(7,2)', 1 # Company Code
+ inv_units = 'Qn$(7,2)', 10 # Inv Units
+ available = 'Zn$(1,1)', 5 # Available?
+ contract_item = 'Bn(2,1)', 6 # Contract Item?
+ sales_category = 'Fn', 7 # Sales Category
+ key_type = 'Cn$(19,3)', 4 # Key Type = '1**'
+ gl_category = 'Rn$(5,1)', 8 # G/L Category
+ warehouse_category = 'Sn$(6,1)', 9 # Warehouse Category
+
+ if pyver >= PY3_3:
+ def test_missing(self):
+ class Color(Enum):
+ red = 1
+ green = 2
+ blue = 3
+ @classmethod
+ def _missing_(cls, item):
+ if item == 'three':
+ return cls.blue
+ elif item == 'bad return':
+ # trigger internal error
+ return 5
+ elif item == 'error out':
+ raise ZeroDivisionError
+ else:
+ # trigger not found
+ return None
+ self.assertIs(Color('three'), Color.blue)
+ self.assertRaises(ValueError, Color, 7)
+ try:
+ Color('bad return')
+ except TypeError as exc:
+ self.assertTrue(isinstance(exc.__cause__, ValueError))
+ else:
+ raise Exception('Exception not raised.')
+ try:
+ Color('error out')
+ except ZeroDivisionError as exc:
+ self.assertTrue(isinstance(exc.__cause__, ValueError))
+ else:
+ raise Exception('Exception not raised.')
+
+ def test_enum_of_types(self):
+ """Support using Enum to refer to types deliberately."""
+ class MyTypes(Enum):
+ i = int
+ f = float
+ s = str
+ self.assertEqual(MyTypes.i.value, int)
+ self.assertEqual(MyTypes.f.value, float)
+ self.assertEqual(MyTypes.s.value, str)
+ class Foo:
+ pass
+ class Bar:
+ pass
+ class MyTypes2(Enum):
+ a = Foo
+ b = Bar
+ self.assertEqual(MyTypes2.a.value, Foo)
+ self.assertEqual(MyTypes2.b.value, Bar)
+ class SpamEnumNotInner:
+ pass
+ class SpamEnum(Enum):
+ spam = SpamEnumNotInner
+ self.assertEqual(SpamEnum.spam.value, SpamEnumNotInner)
+
+ def test_nested_classes_in_enum_do_not_create_members(self):
+ """Support locally-defined nested classes."""
+ # manually set __qualname__ to remove testing framework noise
+ class Outer(Enum):
+ __qualname__ = "Outer"
+ a = 1
+ b = 2
+ class Inner(Enum):
+ __qualname__ = "Outer.Inner"
+ foo = 10
+ bar = 11
+ self.assertTrue(isinstance(Outer.Inner, type))
+ self.assertEqual(Outer.a.value, 1)
+ self.assertEqual(Outer.Inner.foo.value, 10)
+ self.assertEqual(
+ list(Outer.Inner),
+ [Outer.Inner.foo, Outer.Inner.bar],
+ )
+ self.assertEqual(
+ list(Outer),
+ [Outer.a, Outer.b],
+ )
+
+ if pyver == PY3_4:
+ def test_class_nested_enum_and_pickle_protocol_four(self):
+ # would normally just have this directly in the class namespace
+ class NestedEnum(Enum):
+ twigs = 'common'
+ shiny = 'rare'
+
+ self.__class__.NestedEnum = NestedEnum
+ self.NestedEnum.__qualname__ = '%s.NestedEnum' % self.__class__.__name__
+ test_pickle_exception(
+ self.assertRaises, PicklingError, self.NestedEnum.twigs,
+ protocol=(0, 3))
+ test_pickle_dump_load(self.assertTrue, self.NestedEnum.twigs,
+ protocol=(4, HIGHEST_PROTOCOL))
+
+ elif pyver >= PY3_5:
+ def test_class_nested_enum_and_pickle_protocol_four(self):
+ # would normally just have this directly in the class namespace
+ class NestedEnum(Enum):
+ twigs = 'common'
+ shiny = 'rare'
+
+ self.__class__.NestedEnum = NestedEnum
+ self.NestedEnum.__qualname__ = '%s.NestedEnum' % self.__class__.__name__
+ test_pickle_dump_load(self.assertTrue, self.NestedEnum.twigs,
+ protocol=(0, HIGHEST_PROTOCOL))
+
+ if pyver >= PY3_4:
+ def test_enum_injection(self):
+ class Color(Enum):
+ _order_ = 'BLACK WHITE'
+ BLACK = Color('black', '#000')
+ WHITE = Color('white', '#fff')
+
+ def __init__(self, label, hex):
+ self.label = label
+ self.hex = hex
+
+ self.assertEqual([Color.BLACK, Color.WHITE], list(Color))
+ self.assertEqual(Color.WHITE.hex, '#fff')
+ self.assertEqual(Color.BLACK.label, 'black')
+
+ def test_subclasses_with_getnewargs_ex(self):
+ class NamedInt(int):
+ __qualname__ = 'NamedInt' # needed for pickle protocol 4
+ def __new__(cls, *args):
+ _args = args
+ if len(args) < 2:
+ raise TypeError("name and value must be specified")
+ name, args = args[0], args[1:]
+ self = int.__new__(cls, *args)
+ self._intname = name
+ self._args = _args
+ return self
+ def __getnewargs_ex__(self):
+ return self._args, {}
+ @property
+ def __name__(self):
+ return self._intname
+ def __repr__(self):
+ # repr() is updated to include the name and type info
+ return "{}({!r}, {})".format(type(self).__name__,
+ self.__name__,
+ int.__repr__(self))
+ def __str__(self):
+ # str() is unchanged, even if it relies on the repr() fallback
+ base = int
+ base_str = base.__str__
+ if base_str.__objclass__ is object:
+ return base.__repr__(self)
+ return base_str(self)
+ # for simplicity, we only define one operator that
+ # propagates expressions
+ def __add__(self, other):
+ temp = int(self) + int( other)
+ if isinstance(self, NamedInt) and isinstance(other, NamedInt):
+ return NamedInt(
+ '({0} + {1})'.format(self.__name__, other.__name__),
+ temp )
+ else:
+ return temp
+
+ class NEI(NamedInt, Enum):
+ __qualname__ = 'NEI' # needed for pickle protocol 4
+ x = ('the-x', 1)
+ y = ('the-y', 2)
+
+
+ self.assertIs(NEI.__new__, Enum.__new__)
+ self.assertEqual(repr(NEI.x + NEI.y), "NamedInt('(the-x + the-y)', 3)")
+ globals()['NamedInt'] = NamedInt
+ globals()['NEI'] = NEI
+ NI5 = NamedInt('test', 5)
+ self.assertEqual(NI5, 5)
+ test_pickle_dump_load(self.assertEqual, NI5, 5, protocol=(4, HIGHEST_PROTOCOL))
+ self.assertEqual(NEI.y.value, 2)
+ test_pickle_dump_load(self.assertTrue, NEI.y, protocol=(4, HIGHEST_PROTOCOL))
+
+
+class TestOrderV3(TestCase):
+ """
+ Test definition order versus _order_ order.
+ """
+
+ def test_same_members(self):
+ class Color(Enum):
+ _order_ = 'red green blue'
+ red = 1
+ green = 2
+ blue = 3
+
+ def test_same_members_with_aliases(self):
+ class Color(Enum):
+ _order_ = 'red green blue'
+ red = 1
+ green = 2
+ blue = 3
+ verde = green
+
+ def test_same_members_wrong_order(self):
+ with self.assertRaisesRegex(TypeError, 'member order does not match _order_'):
+ class Color(Enum):
+ _order_ = 'red green blue'
+ red = 1
+ blue = 3
+ green = 2
+
+ def test_order_has_extra_members(self):
+ with self.assertRaisesRegex(TypeError, 'member order does not match _order_'):
+ class Color(Enum):
+ _order_ = 'red green blue purple'
+ red = 1
+ green = 2
+ blue = 3
+
+ def test_order_has_extra_members_with_aliases(self):
+ with self.assertRaisesRegex(TypeError, 'member order does not match _order_'):
+ class Color(Enum):
+ _order_ = 'red green blue purple'
+ red = 1
+ green = 2
+ blue = 3
+ verde = green
+
+ def test_enum_has_extra_members(self):
+ with self.assertRaisesRegex(TypeError, 'member order does not match _order_'):
+ class Color(Enum):
+ _order_ = 'red green blue'
+ red = 1
+ green = 2
+ blue = 3
+ purple = 4
+
+ def test_enum_has_extra_members_with_aliases(self):
+ with self.assertRaisesRegex(TypeError, 'member order does not match _order_'):
+ class Color(Enum):
+ _order_ = 'red green blue'
+ red = 1
+ green = 2
+ blue = 3
+ purple = 4
+ verde = green
+
+ def test_same_members_flag(self):
+ class Color(Flag):
+ _order_ = 'red green blue'
+ red = 1
+ green = 2
+ blue = 4
+
+ def test_same_members_with_aliases_flag(self):
+ class Color(Flag):
+ _order_ = 'red green blue'
+ red = 1
+ green = 2
+ blue = 4
+ verde = green
+
+ def test_same_members_wrong_order_falg(self):
+ with self.assertRaisesRegex(TypeError, 'member order does not match _order_'):
+ class Color(Flag):
+ _order_ = 'red green blue'
+ red = 1
+ blue = 4
+ green = 2
+
+ def test_order_has_extra_members_flag(self):
+ with self.assertRaisesRegex(TypeError, 'member order does not match _order_'):
+ class Color(Flag):
+ _order_ = 'red green blue purple'
+ red = 1
+ green = 2
+ blue = 4
+
+ def test_order_has_extra_members_with_aliases_flag(self):
+ with self.assertRaisesRegex(TypeError, 'member order does not match _order_'):
+ class Color(Flag):
+ _order_ = 'red green blue purple'
+ red = 1
+ green = 2
+ blue = 4
+ verde = green
+
+ def test_enum_has_extra_members_flag(self):
+ with self.assertRaisesRegex(TypeError, 'member order does not match _order_'):
+ class Color(Flag):
+ _order_ = 'red green blue'
+ red = 1
+ green = 2
+ blue = 4
+ purple = 8
+
+ def test_enum_has_extra_members_with_aliases_flag(self):
+ with self.assertRaisesRegex(TypeError, 'member order does not match _order_'):
+ class Color(Flag):
+ _order_ = 'red green blue'
+ red = 1
+ green = 2
+ blue = 4
+ purple = 8
+ verde = green
+
+
+class TestNamedTupleV3(TestCase):
+
+ def test_fixed_size(self):
+ class Book(NamedTuple, size=TupleSize.fixed):
+ title = 0
+ author = 1
+ genre = 2
+ b = Book('Teckla', 'Steven Brust', 'fantasy')
+ self.assertTrue('Teckla' in b)
+ self.assertTrue('Steven Brust' in b)
+ self.assertTrue('fantasy' in b)
+ self.assertEqual(b.title, 'Teckla')
+ self.assertEqual(b.author, 'Steven Brust')
+ self.assertRaises(TypeError, Book, 'Teckla', 'Steven Brust')
+ self.assertRaises(TypeError, Book, 'Teckla')
+
+ def test_minimum_size(self):
+ class Book(NamedTuple, size=TupleSize.minimum):
+ title = 0
+ author = 1
+ b = Book('Teckla', 'Steven Brust', 'fantasy')
+ self.assertTrue('Teckla' in b)
+ self.assertTrue('Steven Brust' in b)
+ self.assertTrue('fantasy' in b)
+ self.assertEqual(b.title, 'Teckla')
+ self.assertEqual(b.author, 'Steven Brust')
+ self.assertEqual(b[2], 'fantasy')
+ b = Book('Teckla', 'Steven Brust')
+ self.assertTrue('Teckla' in b)
+ self.assertTrue('Steven Brust' in b)
+ self.assertEqual(b.title, 'Teckla')
+ self.assertEqual(b.author, 'Steven Brust')
+ self.assertRaises(TypeError, Book, 'Teckla')
+
+ def test_variable_size(self):
+ class Book(NamedTuple, size=TupleSize.variable):
+ title = 0
+ author = 1
+ genre = 2
+ b = Book('Teckla', 'Steven Brust', 'fantasy')
+ self.assertTrue('Teckla' in b)
+ self.assertTrue('Steven Brust' in b)
+ self.assertTrue('fantasy' in b)
+ self.assertEqual(b.title, 'Teckla')
+ self.assertEqual(b.author, 'Steven Brust')
+ self.assertEqual(b.genre, 'fantasy')
+ b = Book('Teckla', 'Steven Brust')
+ self.assertTrue('Teckla' in b)
+ self.assertTrue('Steven Brust' in b)
+ self.assertEqual(b.title, 'Teckla')
+ self.assertEqual(b.author, 'Steven Brust')
+ self.assertRaises(AttributeError, getattr, b, 'genre')
+ self.assertRaises(TypeError, Book, title='Teckla', genre='fantasy')
+ self.assertRaises(TypeError, Book, author='Steven Brust')
+
+
+
+class TestStackoverflowAnswersV3(TestCase):
+
+ def test_self_referential_directions(self):
+ # https://stackoverflow.com/a/64000706/208880
+ class Directions(Enum):
+ #
+ NORTH = 1, 0
+ WEST = 0, 1
+ SOUTH = -1, 0
+ EAST = 0, -1
+ #
+ def __init__(self, x, y):
+ self.x = x
+ self.y = y
+ if len(self.__class__):
+ # make links
+ all = list(self.__class__)
+ left, right = all[0], all[-1]
+ self.left = left
+ self.right = right
+ left.right = self
+ right.left = self
+ #
+ D = Directions
+ self.assertEqual(D.NORTH.value, (1, 0))
+ self.assertTrue(D.NORTH.left is D.WEST)
+ self.assertTrue(D.SOUTH.right is D.WEST)
+
+ def test_self_referential_rock_paper_scissors(self):
+ # https://stackoverflow.com/a/57085357/208880
+ class RPS(Enum):
+ #
+ Rock = "rock"
+ Paper = "paper"
+ Scissors = "scissors"
+ #
+ def __init__(self, value):
+ if len(self.__class__):
+ # make links
+ all = list(self.__class__)
+ first, previous = all[0], all[-1]
+ first.beats = self
+ self.beats = previous
+ #
+ self.assertTrue(RPS.Rock.beats is RPS.Scissors)
+ self.assertTrue(RPS.Scissors.beats is RPS.Paper)
+ self.assertTrue(RPS.Paper.beats is RPS.Rock)
+
+ def test_arduino_headers(self):
+ # https://stackoverflow.com/q/65048495/208880
+ class CHeader(Enum):
+ def __init_subclass__(cls, **kwds):
+ # write Enums to C header file
+ cls_name = cls.__name__
+ header_path = getattr(cls, '_%s__header' % cls_name)
+ with open(header_path, 'w') as fh:
+ fh.write('initial header stuff here\n')
+ for enum in cls:
+ fh.write('#define %s %r\n' % (enum.name, enum.value))
+ class Arduino(CHeader):
+ __header = os.path.join(tempdir, 'arduino.h')
+ ONE = 1
+ TWO = 2
+ with open(os.path.join(tempdir, 'arduino.h')) as fh:
+ data = fh.read()
+ self.assertEqual(textwrap.dedent("""\
+ initial header stuff here
+ #define ONE 1
+ #define TWO 2
+ """),
+ data,
+ )
+
+ def test_create_C_like_Enum(self):
+ # https://stackoverflow.com/a/35965438/208880
+ class Id(Enum, settings=MagicValue, start=0):
+ #
+ NONE # 0x0
+ HEARTBEAT # 0x1
+ FLUID_TRANSFER_REQUEST
+ FLUID_TRANSFER_STATUS_MSG
+ FLUID_TRANSFER_ERROR_MSG
+ # ...
+ #
+ # Camera App Messages
+ START_SENDING_PICTURES = 0x010000
+ STOP_SENDING_PICTURES
+ START_RECORDING_VIDEO_REQ
+ STOP_RECORDING_VIDEO_REQ
+ # ...
+ #
+ # Sensor Calibration
+ VOLUME_REQUEST = 0x020000
+ START_CAL
+ CLI_COMMAND_REQUEST
+ CLI_COMMAND_RESPONSE
+ #
+ # File Mananger
+ NEW_DELIVERY_REQ = 0x30000
+ GET_DELIVERY_FILE_REQ
+ GET_FILE_REQ
+ #
+ ACK_NACK
+ RESPONSE
+ #
+ LAST_ID
+ #
+ self.assertEqual(Id.NONE.value, 0)
+ self.assertEqual(Id.FLUID_TRANSFER_ERROR_MSG.value, 4)
+ self.assertEqual(Id.START_SENDING_PICTURES.value, 0x010000)
+ self.assertEqual(Id.STOP_RECORDING_VIDEO_REQ.value, 0x010003)
+ self.assertEqual(Id.START_CAL.value, 0x020001)
+ self.assertEqual(Id.LAST_ID.value, 0x30005)
+
+
+ @unittest.skipUnless(pyparsing, 'pyparsing not installed')
+ def test_c_header_scanner(self):
+ # https://stackoverflow.com/questions/58732872/208880
+ with open(os.path.join(tempdir, 'c_plus_plus.h'), 'w') as fh:
+ fh.write("""
+ stuff before
+ enum hello {
+ Zero,
+ One,
+ Two,
+ Three,
+ Five=5,
+ Six,
+ Ten=10
+ };
+ in the middle
+ enum blah
+ {
+ alpha,
+ beta,
+ gamma = 10 ,
+ zeta = 50
+ };
+ at the end
+ """)
+ from pyparsing import Group, Optional, Suppress, Word, ZeroOrMore
+ from pyparsing import alphas, alphanums, nums
+ #
+ CPPEnum = None
+ class CPPEnumType(EnumMeta):
+ #
+ @classmethod
+ def __prepare__(metacls, clsname, bases, **kwds):
+ # return a standard dictionary for the initial processing
+ return {}
+ #
+ def __init__(clsname, *args , **kwds):
+ super(CPPEnumType, clsname).__init__(*args)
+ #
+ def __new__(metacls, clsname, bases, clsdict, **kwds):
+ if CPPEnum is None:
+ # first time through, ignore the rest
+ enum_dict = super(CPPEnumType, metacls).__prepare__(clsname, bases, **kwds)
+ enum_dict.update(clsdict)
+ return super(CPPEnumType, metacls).__new__(metacls, clsname, bases, enum_dict, **kwds)
+ members = []
+ #
+ # remove _file and _name using `pop()` as they will cause problems in EnumMeta
+ try:
+ file = clsdict.pop('_file')
+ except KeyError:
+ raise TypeError('_file not specified')
+ cpp_enum_name = clsdict.pop('_name', clsname.lower())
+ with open(file) as fh:
+ file_contents = fh.read()
+ #
+ # syntax we don't want to see in the final parse tree
+ LBRACE, RBRACE, EQ, COMMA = map(Suppress, "{}=,")
+ _enum = Suppress("enum")
+ identifier = Word(alphas, alphanums + "_")
+ integer = Word(nums)
+ enumValue = Group(identifier("name") + Optional(EQ + integer("value")))
+ enumList = Group(enumValue + ZeroOrMore(COMMA + enumValue))
+ enum = _enum + identifier("enum") + LBRACE + enumList("names") + RBRACE
+ #
+ # find the cpp_enum_name ignoring other syntax and other enums
+ for item, start, stop in enum.scanString(file_contents):
+ if item.enum != cpp_enum_name:
+ continue
+ id = 0
+ for entry in item.names:
+ if entry.value != "":
+ id = int(entry.value)
+ members.append((entry.name.upper(), id))
+ id += 1
+ #
+ # get the real EnumDict
+ enum_dict = super(CPPEnumType, metacls).__prepare__(clsname, bases, **kwds)
+ # transfer the original dict content, names starting with '_' first
+ items = list(clsdict.items())
+ items.sort(key=lambda p: (0 if p[0][0] == '_' else 1, p))
+ for name, value in items:
+ enum_dict[name] = value
+ # add the members
+ for name, value in members:
+ enum_dict[name] = value
+ return super(CPPEnumType, metacls).__new__(metacls, clsname, bases, enum_dict, **kwds)
+ #
+ class CPPEnum(IntEnum, metaclass=CPPEnumType):
+ pass
+ #
+ class Hello(CPPEnum):
+ _file = os.path.join(tempdir, 'c_plus_plus.h')
+ #
+ class Blah(CPPEnum):
+ _file = os.path.join(tempdir, 'c_plus_plus.h')
+ _name = 'blah'
+ #
+ self.assertEqual(
+ list(Hello),
+ [Hello.ZERO, Hello.ONE, Hello.TWO, Hello.THREE, Hello.FIVE, Hello.SIX, Hello.TEN],
+ )
+ self.assertEqual(Hello.ZERO.value, 0)
+ self.assertEqual(Hello.THREE.value, 3)
+ self.assertEqual(Hello.SIX.value, 6)
+ self.assertEqual(Hello.TEN.value, 10)
+ #
+ self.assertEqual(
+ list(Blah),
+ [Blah.ALPHA, Blah.BETA, Blah.GAMMA, Blah.ZETA],
+ )
+ self.assertEqual(Blah.ALPHA.value, 0)
+ self.assertEqual(Blah.BETA.value, 1)
+ self.assertEqual(Blah.GAMMA.value, 10)
+ self.assertEqual(Blah.ZETA.value, 50)
+
+class TestIssuesV3(TestCase):
+ """
+ Problems that were stated in issues.
+ """
+
+ def test_auto_multi_int_1(self):
+ class Measurement(int, AddValueEnum, MultiValueEnum, start=0):
+ one = "20110721"
+ two = "20120911"
+ three = "20110518"
+ self.assertEqual([m.value for m in Measurement], [0, 1, 2])
+ self.assertEqual([m.name for m in Measurement], ['one', 'two', 'three'])
+ self.assertIs(Measurement(0), Measurement.one)
+ self.assertIs(Measurement('20110721'), Measurement.one)
+ self.assertIs(Measurement(1), Measurement.two)
+ self.assertIs(Measurement('20120911'), Measurement.two)
+ self.assertIs(Measurement(2), Measurement.three)
+ self.assertIs(Measurement('20110518'), Measurement.three)
+
+ def test_auto_multi_int_2(self):
+ class Measurement(int, Enum, settings=(MultiValue, AddValue), start=0):
+ one = "20110721"
+ two = "20120911"
+ three = "20110518"
+ self.assertEqual([m.value for m in Measurement], [0, 1, 2])
+ self.assertEqual([m.name for m in Measurement], ['one', 'two', 'three'])
+ self.assertIs(Measurement(0), Measurement.one)
+ self.assertIs(Measurement('20110721'), Measurement.one)
+ self.assertIs(Measurement(1), Measurement.two)
+ self.assertIs(Measurement('20120911'), Measurement.two)
+ self.assertIs(Measurement(2), Measurement.three)
+ self.assertIs(Measurement('20110518'), Measurement.three)
+
+ def test_extend_enum_with_init(self):
+ class Color(Enum, settings=MultiValue, init='foo bar'):
+ red = '1', 'yes'
+ green = '2', 'no'
+ blue = '3', 'maybe'
+ self.assertEqual(Color.red.value, '1')
+ self.assertEqual(Color.red.foo, '1')
+ self.assertEqual(Color.red.bar, 'yes')
+ extend_enum(Color, 'opacity', '4', 'never')
+ self.assertEqual(list(Color), [Color.red, Color.green, Color.blue, Color.opacity])
+ self.assertEqual(Color.opacity.value, '4')
+ self.assertEqual(Color.opacity.name, 'opacity')
+ self.assertTrue(Color('4') is Color.opacity)
+ self.assertTrue(Color('never') is Color.opacity)
+
+class TestExtendEnumV3(TestCase):
+
+ def test_extend_enum_plain(self):
+ class Color(Enum):
+ red = 1
+ green = 2
+ blue = 3
+ self.assertRaisesRegex(TypeError, '.blue. already in use as property..Color.blue: 3.', extend_enum, Color, 'blue', 5)
+ #
+ extend_enum(Color, 'brown', 4)
+ self.assertEqual(Color.brown.name, 'brown')
+ self.assertEqual(Color.brown.value, 4)
+ self.assertTrue(Color.brown in Color)
+ self.assertEqual(Color(4), Color.brown)
+ self.assertEqual(Color['brown'], Color.brown)
+ self.assertEqual(len(Color), 4)
+ #
+ extend_enum(Color, 'mauve')
+ self.assertEqual(Color.mauve.name, 'mauve')
+ self.assertEqual(Color.mauve.value, 5)
+ self.assertTrue(Color.mauve in Color)
+ self.assertEqual(Color(5), Color.mauve)
+ self.assertEqual(Color['mauve'], Color.mauve)
+ self.assertEqual(len(Color), 5)
+
+ def test_extend_enum_alias(self):
+ class Color(Enum):
+ red = 1
+ green = 2
+ blue = 3
+ extend_enum(Color, 'rojo', 1)
+ self.assertEqual(Color.rojo.name, 'red')
+ self.assertEqual(Color.rojo.value, 1)
+ self.assertTrue(Color.rojo in Color)
+ self.assertEqual(Color(1), Color.rojo)
+ self.assertEqual(Color['rojo'], Color.red)
+ self.assertEqual(len(Color), 3)
+
+ def test_extend_enum_unique(self):
+ class Color(UniqueEnum):
+ red = 1
+ green = 2
+ blue = 3
+ self.assertRaisesRegex(ValueError, r'<Color.rojo: 1> is a duplicate of <Color.red: 1>', extend_enum, Color, 'rojo', 1)
+ #
+ self.assertEqual(Color.red.name, 'red')
+ self.assertEqual(Color.red.value, 1)
+ self.assertTrue(Color.red in Color)
+ self.assertEqual(Color(1), Color.red)
+ self.assertEqual(Color['red'], Color.red)
+ self.assertEqual(Color.green.name, 'green')
+ self.assertEqual(Color.green.value, 2)
+ self.assertTrue(Color.green in Color)
+ self.assertEqual(Color(2), Color.green)
+ self.assertEqual(Color['blue'], Color.blue)
+ self.assertEqual(Color.blue.name, 'blue')
+ self.assertEqual(Color.blue.value, 3)
+ self.assertTrue(Color.blue in Color)
+ self.assertEqual(Color(3), Color.blue)
+ self.assertEqual(len(Color), 3)
+ #
+ extend_enum(Color, 'brown', 4)
+ self.assertEqual(Color.brown.name, 'brown')
+ self.assertEqual(Color.brown.value, 4)
+ self.assertTrue(Color.brown in Color)
+ self.assertEqual(Color(4), Color.brown)
+ self.assertEqual(Color['brown'], Color.brown)
+ self.assertEqual(len(Color), 4)
+ #
+ self.assertRaisesRegex(ValueError, '<Color.verde: 2> is a duplicate of <Color.green: 2>', extend_enum, Color, 'verde', 2)
+ #
+ extend_enum(Color, 'mauve')
+ self.assertEqual(Color.mauve.name, 'mauve')
+ self.assertEqual(Color.mauve.value, 5)
+ self.assertTrue(Color.mauve in Color)
+ self.assertEqual(Color(5), Color.mauve)
+ self.assertEqual(Color['mauve'], Color.mauve)
+ self.assertEqual(len(Color), 5)
+
+
+ def test_extend_enum_shadow_property(self):
+ class Color(Enum):
+ red = 1
+ green = 2
+ blue = 3
+ extend_enum(Color, 'value', 4)
+ self.assertEqual(Color.value.name, 'value')
+ self.assertEqual(Color.value.value, 4)
+ self.assertTrue(Color.value in Color)
+ self.assertEqual(Color(4), Color.value)
+ self.assertEqual(Color['value'], Color.value)
+ self.assertEqual(len(Color), 4)
+ self.assertEqual(Color.red.value, 1)
+
+ def test_extend_enum_shadow_base(self):
+ class hohum(object):
+ def cyan(self):
+ "cyanize a color"
+ return self.value
+ class Color(hohum, Enum):
+ red = 1
+ green = 2
+ blue = 3
+ self.assertRaisesRegex(TypeError, r'already in use in superclass', extend_enum, Color, 'cyan', 4)
+ self.assertEqual(len(Color), 3)
+ self.assertEqual(list(Color), [Color.red, Color.green, Color.blue])
+
+ def test_extend_enum_multivalue(self):
+ class Color(MultiValueEnum):
+ red = 1, 4, 7
+ green = 2, 5, 8
+ blue = 3, 6, 9
+ extend_enum(Color, 'brown', 10, 20)
+ self.assertEqual(Color.brown.name, 'brown')
+ self.assertEqual(Color.brown.value, 10)
+ self.assertTrue(Color.brown in Color)
+ self.assertEqual(Color(10), Color.brown)
+ self.assertEqual(Color(20), Color.brown)
+ self.assertEqual(Color['brown'], Color.brown)
+ self.assertEqual(len(Color), 4)
+ #
+ self.assertRaisesRegex(ValueError, 'no values specified for MultiValue enum', extend_enum, Color, 'mauve')
+
+ def test_extend_enum_multivalue_alias(self):
+ class Color(MultiValueEnum):
+ red = 1, 4, 7
+ green = 2, 5, 8
+ blue = 3, 6, 9
+ self.assertRaisesRegex(ValueError, r'<Color.rojo: 7> is a duplicate of <Color.red: 1>', extend_enum, Color, 'rojo', 7)
+ self.assertEqual(Color.red.name, 'red')
+ self.assertEqual(Color.red.value, 1)
+ self.assertTrue(Color.red in Color)
+ self.assertEqual(Color(1), Color.red)
+ self.assertEqual(Color(4), Color.red)
+ self.assertEqual(Color(7), Color.red)
+ self.assertEqual(Color['red'], Color.red)
+ self.assertEqual(Color.green.name, 'green')
+ self.assertEqual(Color.green.value, 2)
+ self.assertTrue(Color.green in Color)
+ self.assertEqual(Color(2), Color.green)
+ self.assertEqual(Color(5), Color.green)
+ self.assertEqual(Color(8), Color.green)
+ self.assertEqual(Color['blue'], Color.blue)
+ self.assertEqual(Color.blue.name, 'blue')
+ self.assertEqual(Color.blue.value, 3)
+ self.assertTrue(Color.blue in Color)
+ self.assertEqual(Color(3), Color.blue)
+ self.assertEqual(Color(6), Color.blue)
+ self.assertEqual(Color(9), Color.blue)
+ self.assertEqual(len(Color), 3)
+
+ def test_extend_enum_multivalue_str(self):
+ class M(str, MultiValueEnum):
+ VALUE_1 = 'value_1', 'VALUE_1'
+ VALUE_2 = 'value_2', 'VALUE_2'
+ VALUE_3 = 'value_3', 'VALUE_3'
+ self.assertTrue(M._member_type_ is str)
+ extend_enum(M, 'VALUE_4', 'value_4', 'VALUE_4')
+ self.assertEqual(list(M), [M.VALUE_1, M.VALUE_2, M.VALUE_3, M.VALUE_4])
+ self.assertTrue(M('value_4') is M.VALUE_4)
+ self.assertTrue(M('VALUE_4') is M.VALUE_4)
+ self.assertTrue(M.VALUE_4.name == 'VALUE_4')
+ self.assertTrue(M.VALUE_4.value == 'value_4')
+
+ def test_extend_intenum(self):
+ class Index(IntEnum):
+ DeviceType = 0x1000
+ ErrorRegister = 0x1001
+
+ for name, value in (
+ ('ControlWord', 0x6040),
+ ('StatusWord', 0x6041),
+ ('OperationMode', 0x6060),
+ ):
+ extend_enum(Index, name, value)
+
+ self.assertEqual(len(Index), 5)
+ self.assertEqual(list(Index), [Index.DeviceType, Index.ErrorRegister, Index.ControlWord, Index.StatusWord, Index.OperationMode])
+ self.assertEqual(Index.DeviceType.value, 0x1000)
+ self.assertEqual(Index.StatusWord.value, 0x6041)
+
+ def test_extend_multi_init(self):
+ class HTTPStatus(IntEnum):
+ def __new__(cls, value, phrase, description):
+ obj = int.__new__(cls, value)
+ obj._value_ = value
+
+ obj.phrase = phrase
+ obj.description = description
+ return obj
+ CONTINUE = 100, 'Continue', 'Request received, please continue'
+ SWITCHING_PROTOCOLS = 101, 'Switching Protocols', 'Switching to new protocol; obey Upgrade header'
+ PROCESSING = 102, 'Processing', ''
+ length = 3
+ extend_enum(HTTPStatus, 'BAD_SPAM', 513, 'Too greasy', 'for a train')
+ extend_enum(HTTPStatus, 'BAD_EGGS', 514, 'Too green', '')
+ self.assertEqual(len(HTTPStatus), length+2)
+ self.assertEqual(
+ list(HTTPStatus)[-2:],
+ [HTTPStatus.BAD_SPAM, HTTPStatus.BAD_EGGS],
+ )
+ self.assertEqual(HTTPStatus.BAD_SPAM.value, 513)
+ self.assertEqual(HTTPStatus.BAD_SPAM.name, 'BAD_SPAM')
+ self.assertEqual(HTTPStatus.BAD_SPAM.phrase, 'Too greasy')
+ self.assertEqual(HTTPStatus.BAD_SPAM.description, 'for a train')
+ self.assertEqual(HTTPStatus.BAD_EGGS.value, 514)
+ self.assertEqual(HTTPStatus.BAD_EGGS.name, 'BAD_EGGS')
+ self.assertEqual(HTTPStatus.BAD_EGGS.phrase, 'Too green')
+ self.assertEqual(HTTPStatus.BAD_EGGS.description, '')
+
+ def test_extend_flag(self):
+ class Color(Flag):
+ BLACK = 0
+ RED = 1
+ GREEN = 2
+ BLUE = 4
+ extend_enum(Color, 'MAGENTA')
+ self.assertTrue(Color(8) is Color.MAGENTA)
+ self.assertTrue(isinstance(Color.MAGENTA, Color))
+ self.assertEqual(Color.MAGENTA.value, 8)
+ extend_enum(Color, 'PURPLE', 11)
+ self.assertTrue(Color(11) is Color.PURPLE)
+ self.assertTrue(isinstance(Color.PURPLE, Color))
+ self.assertEqual(Color.PURPLE.value, 11)
+ self.assertTrue(issubclass(Color, Flag))
+
+ def test_extend_flag_backwards(self):
+ class Color(Flag):
+ BLACK = 0
+ RED = 1
+ GREEN = 2
+ BLUE = 4
+ extend_enum(Color, 'PURPLE', 11)
+ self.assertTrue(Color(11) is Color.PURPLE)
+ self.assertTrue(isinstance(Color.PURPLE, Color))
+ self.assertEqual(Color.PURPLE.value, 11)
+ self.assertTrue(issubclass(Color, Flag))
+ #
+ extend_enum(Color, 'MAGENTA')
+ self.assertTrue(Color(8) is Color.MAGENTA)
+ self.assertTrue(isinstance(Color.MAGENTA, Color))
+ self.assertEqual(Color.MAGENTA.value, 8)
+ #
+ extend_enum(Color, 'mauve')
+ self.assertEqual(Color.mauve.name, 'mauve')
+ self.assertEqual(Color.mauve.value, 16)
+ self.assertTrue(Color.mauve in Color)
+ self.assertEqual(Color(16), Color.mauve)
+ self.assertEqual(Color['mauve'], Color.mauve)
+ self.assertEqual(len(Color), 5)
+
+ def test_extend_intflag(self):
+ class Color(IntFlag):
+ BLACK = 0
+ RED = 1
+ GREEN = 2
+ BLUE = 4
+ extend_enum(Color, 'MAGENTA')
+ self.assertTrue(Color(8) is Color.MAGENTA)
+ self.assertTrue(isinstance(Color.MAGENTA, Color))
+ self.assertEqual(Color.MAGENTA.value, 8)
+ extend_enum(Color, 'PURPLE', 11)
+ self.assertTrue(Color(11) is Color.PURPLE)
+ self.assertTrue(isinstance(Color.PURPLE, Color))
+ self.assertEqual(Color.PURPLE.value, 11)
+ self.assertTrue(issubclass(Color, Flag))
+ #
+ extend_enum(Color, 'mauve')
+ self.assertEqual(Color.mauve.name, 'mauve')
+ self.assertEqual(Color.mauve.value, 16)
+ self.assertTrue(Color.mauve in Color)
+ self.assertEqual(Color(16), Color.mauve)
+ self.assertEqual(Color['mauve'], Color.mauve)
+ self.assertEqual(len(Color), 5)
+
+ def test_extend_intflag_backwards(self):
+ class Color(IntFlag):
+ BLACK = 0
+ RED = 1
+ GREEN = 2
+ BLUE = 4
+ extend_enum(Color, 'PURPLE', 11)
+ self.assertTrue(Color(11) is Color.PURPLE)
+ self.assertTrue(isinstance(Color.PURPLE, Color))
+ self.assertEqual(Color.PURPLE.value, 11)
+ self.assertTrue(issubclass(Color, Flag))
+ #
+ extend_enum(Color, 'MAGENTA')
+ self.assertTrue(Color(8) is Color.MAGENTA)
+ self.assertTrue(isinstance(Color.MAGENTA, Color))
+ self.assertEqual(Color.MAGENTA.value, 8)
+ #
+ extend_enum(Color, 'mauve')
+ self.assertEqual(Color.mauve.name, 'mauve')
+ self.assertEqual(Color.mauve.value, 16)
+ self.assertTrue(Color.mauve in Color)
+ self.assertEqual(Color(16), Color.mauve)
+ self.assertEqual(Color['mauve'], Color.mauve)
+ self.assertEqual(len(Color), 5)
+
+ def test_extend_strenum(self):
+ class Color(StrEnum):
+ RED = auto()
+ GREEN = auto()
+ BLUE = auto()
+ extend_enum(Color, 'BLACK')
+ self.assertEqual(Color.BLACK.name, 'BLACK')
+ self.assertEqual(Color.BLACK.value, 'black')
+ self.assertEqual(len(Color), 4)
+
+ @unittest.skipUnless(StdlibEnum, 'Stdlib Enum not available')
+ def test_extend_enum_stdlib(self):
+ class Color(StdlibEnum):
+ red = 1
+ green = 2
+ blue = 3
+ self.assertEqual(getattr(Color.red, '_values_', None), None)
+ extend_enum(Color, 'brown', 4)
+ self.assertEqual(Color.brown.name, 'brown')
+ self.assertEqual(Color.brown.value, 4)
+ self.assertTrue(Color.brown in Color)
+ self.assertEqual(Color(4), Color.brown)
+ self.assertEqual(Color['brown'], Color.brown)
+ self.assertEqual(len(Color), 4)
+
+ @unittest.skipUnless(StdlibEnum, 'Stdlib Enum not available')
+ def test_extend_enum_plain_stdlib(self):
+ class Color(StdlibEnum):
+ red = 1
+ green = 2
+ blue = 3
+ self.assertRaisesRegex(TypeError, 'already in use as', extend_enum, Color, 'blue', 5)
+ #
+ extend_enum(Color, 'brown', 4)
+ self.assertEqual(Color.brown.name, 'brown')
+ self.assertEqual(Color.brown.value, 4)
+ self.assertTrue(Color.brown in Color)
+ self.assertEqual(Color(4), Color.brown)
+ self.assertEqual(Color['brown'], Color.brown)
+ self.assertEqual(len(Color), 4)
+ self.assertEqual(list(Color), [Color.red, Color.green, Color.blue, Color.brown])
+ self.assertEqual([c.value for c in Color], [1, 2, 3, 4])
+ #
+ extend_enum(Color, 'mauve')
+ self.assertEqual(Color.mauve.name, 'mauve')
+ self.assertEqual(Color.mauve.value, 5)
+ self.assertTrue(Color.mauve in Color)
+ self.assertEqual(Color(5), Color.mauve)
+ self.assertEqual(Color['mauve'], Color.mauve)
+ self.assertEqual(len(Color), 5)
+
+ @unittest.skipUnless(StdlibEnum, 'Stdlib Enum not available')
+ def test_extend_enum_alias_stdlib(self):
+ class Color(StdlibEnum):
+ red = 1
+ green = 2
+ blue = 3
+ extend_enum(Color, 'rojo', 1)
+ self.assertEqual(Color.rojo.name, 'red')
+ self.assertEqual(Color.rojo.value, 1)
+ self.assertTrue(Color.rojo in Color)
+ self.assertEqual(Color(1), Color.rojo)
+ self.assertEqual(Color['rojo'], Color.red)
+ self.assertEqual(len(Color), 3)
+
+ @unittest.skipUnless(StdlibEnum, 'Stdlib Enum not available')
+ def test_extend_enum_shadow_property_stdlib(self):
+ class Color(StdlibEnum):
+ red = 1
+ green = 2
+ blue = 3
+ extend_enum(Color, 'value', 4)
+ self.assertEqual(Color.value.name, 'value')
+ self.assertEqual(Color.value.value, 4)
+ self.assertTrue(Color.value in Color)
+ self.assertEqual(Color(4), Color.value)
+ self.assertEqual(Color['value'], Color.value)
+ self.assertEqual(len(Color), 4)
+ self.assertEqual(Color.red.value, 1)
+
+ @unittest.skipUnless(StdlibEnum, 'Stdlib Enum not available')
+ def test_extend_enum_shadow_base_stdlib(self):
+ class hohum(object):
+ def cyan(self):
+ "cyanize a color"
+ return self.value
+ class Color(hohum, StdlibEnum):
+ red = 1
+ green = 2
+ blue = 3
+ self.assertRaisesRegex(TypeError, r'already in use in superclass', extend_enum, Color, 'cyan', 4)
+ self.assertEqual(len(Color), 3)
+ self.assertEqual(list(Color), [Color.red, Color.green, Color.blue])
+
+ @unittest.skipUnless(StdlibIntEnum, 'Stdlib IntEnum not available')
+ def test_extend_intenum_stdlib(self):
+ class Index(StdlibIntEnum):
+ DeviceType = 0x1000
+ ErrorRegister = 0x1001
+
+ for name, value in (
+ ('ControlWord', 0x6040),
+ ('StatusWord', 0x6041),
+ ('OperationMode', 0x6060),
+ ):
+ extend_enum(Index, name, value)
+
+ self.assertEqual(len(Index), 5)
+ self.assertEqual(list(Index), [Index.DeviceType, Index.ErrorRegister, Index.ControlWord, Index.StatusWord, Index.OperationMode])
+ self.assertEqual(Index.DeviceType.value, 0x1000)
+ self.assertEqual(Index.StatusWord.value, 0x6041)
+
+ @unittest.skipUnless(StdlibIntEnum, 'Stdlib IntEnum not available')
+ def test_extend_multi_init_stdlib(self):
+ class HTTPStatus(StdlibIntEnum):
+ def __new__(cls, value, phrase, description):
+ obj = int.__new__(cls, value)
+ obj._value_ = value
+
+ obj.phrase = phrase
+ obj.description = description
+ return obj
+ CONTINUE = 100, 'Continue', 'Request received, please continue'
+ SWITCHING_PROTOCOLS = 101, 'Switching Protocols', 'Switching to new protocol; obey Upgrade header'
+ PROCESSING = 102, 'Processing', ''
+ length = 3
+ extend_enum(HTTPStatus, 'BAD_SPAM', 513, 'Too greasy', 'for a train')
+ extend_enum(HTTPStatus, 'BAD_EGGS', 514, 'Too green', '')
+ self.assertEqual(len(HTTPStatus), length+2)
+ self.assertEqual(
+ list(HTTPStatus)[-2:],
+ [HTTPStatus.BAD_SPAM, HTTPStatus.BAD_EGGS],
+ )
+ self.assertEqual(HTTPStatus.BAD_SPAM.value, 513)
+ self.assertEqual(HTTPStatus.BAD_SPAM.name, 'BAD_SPAM')
+ self.assertEqual(HTTPStatus.BAD_SPAM.phrase, 'Too greasy')
+ self.assertEqual(HTTPStatus.BAD_SPAM.description, 'for a train')
+ self.assertEqual(HTTPStatus.BAD_EGGS.value, 514)
+ self.assertEqual(HTTPStatus.BAD_EGGS.name, 'BAD_EGGS')
+ self.assertEqual(HTTPStatus.BAD_EGGS.phrase, 'Too green')
+ self.assertEqual(HTTPStatus.BAD_EGGS.description, '')
+
+ @unittest.skipUnless(StdlibFlag, 'Stdlib Flag not available')
+ def test_extend_flag_stdlib(self):
+ class Color(StdlibFlag):
+ BLACK = 0
+ RED = 1
+ GREEN = 2
+ BLUE = 4
+ extend_enum(Color, 'MAGENTA')
+ self.assertTrue(Color(8) is Color.MAGENTA)
+ self.assertTrue(isinstance(Color.MAGENTA, Color))
+ self.assertEqual(Color.MAGENTA.value, 8)
+ extend_enum(Color, 'PURPLE', 11)
+ self.assertTrue(Color(11) is Color.PURPLE)
+ self.assertTrue(isinstance(Color.PURPLE, Color))
+ self.assertEqual(Color.PURPLE.value, 11)
+ self.assertTrue(issubclass(Color, StdlibFlag))
+
+ @unittest.skipUnless(StdlibFlag, 'Stdlib Flag not available')
+ def test_extend_flag_backwards_stdlib(self):
+ class Color(StdlibFlag):
+ BLACK = 0
+ RED = 1
+ GREEN = 2
+ BLUE = 4
+ extend_enum(Color, 'PURPLE', 11)
+ self.assertTrue(Color(11) is Color.PURPLE)
+ self.assertTrue(isinstance(Color.PURPLE, Color))
+ self.assertEqual(Color.PURPLE.value, 11)
+ self.assertTrue(issubclass(Color, StdlibFlag))
+ #
+ extend_enum(Color, 'MAGENTA')
+ self.assertTrue(Color(16) is Color.MAGENTA)
+ self.assertTrue(isinstance(Color.MAGENTA, Color))
+ self.assertEqual(Color.MAGENTA.value,16)
+ #
+ extend_enum(Color, 'mauve')
+ self.assertEqual(Color.mauve.name, 'mauve')
+ self.assertEqual(Color.mauve.value, 32)
+ self.assertTrue(Color.mauve in Color)
+ self.assertEqual(Color(32), Color.mauve)
+ self.assertEqual(Color['mauve'], Color.mauve)
+
+ @unittest.skipUnless(StdlibIntFlag, 'Stdlib IntFlag not available')
+ def test_extend_intflag_stdlib(self):
+ class Color(StdlibIntFlag):
+ BLACK = 0
+ RED = 1
+ GREEN = 2
+ BLUE = 4
+ extend_enum(Color, 'MAGENTA')
+ self.assertTrue(Color(8) is Color.MAGENTA)
+ self.assertTrue(isinstance(Color.MAGENTA, Color))
+ self.assertEqual(Color.MAGENTA.value, 8)
+ extend_enum(Color, 'PURPLE', 11)
+ self.assertTrue(Color(11) is Color.PURPLE)
+ self.assertTrue(isinstance(Color.PURPLE, Color))
+ self.assertEqual(Color.PURPLE.value, 11)
+ self.assertTrue(issubclass(Color, StdlibFlag))
+ #
+ extend_enum(Color, 'mauve')
+ self.assertEqual(Color.mauve.name, 'mauve')
+ self.assertEqual(Color.mauve.value, 16)
+ self.assertTrue(Color.mauve in Color)
+ self.assertEqual(Color(16), Color.mauve)
+ self.assertEqual(Color['mauve'], Color.mauve)
+
+ @unittest.skipUnless(StdlibIntFlag, 'Stdlib IntFlag not available')
+ def test_extend_intflag_backwards_stdlib(self):
+ class Color(StdlibIntFlag):
+ BLACK = 0
+ RED = 1
+ GREEN = 2
+ BLUE = 4
+ if pyver >= PY3_11:
+ # flags make more sense in 3.11
+ length = 5
+ MAGENTA = 8
+ mauve = 16
+ else:
+ length = 7
+ MAGENTA = 16
+ mauve = 32
+ extend_enum(Color, 'PURPLE', 11)
+ self.assertTrue(Color(11) is Color.PURPLE)
+ self.assertTrue(isinstance(Color.PURPLE, Color))
+ self.assertEqual(Color.PURPLE.value, 11)
+ self.assertTrue(issubclass(Color, StdlibFlag))
+ #
+ extend_enum(Color, 'MAGENTA')
+ self.assertTrue(Color(MAGENTA) is Color.MAGENTA)
+ self.assertTrue(isinstance(Color.MAGENTA, Color))
+ self.assertEqual(Color.MAGENTA.value, MAGENTA)
+ #
+ extend_enum(Color, 'mauve')
+ self.assertEqual(Color.mauve.name, 'mauve')
+ self.assertEqual(Color.mauve.value, mauve)
+ self.assertTrue(Color.mauve in Color)
+ self.assertEqual(Color(mauve), Color.mauve)
+ self.assertEqual(Color['mauve'], Color.mauve)
+ self.assertEqual(len(Color), length, list(Color))
+
+ @unittest.skipUnless(StdlibStrEnum, 'Stdlib StrEnum not available')
+ def test_extend_strenum_stdlib(self):
+ class Color(StrEnum):
+ RED = auto()
+ GREEN = auto()
+ BLUE = auto()
+ extend_enum(Color, 'BLACK')
+ self.assertEqual(Color.BLACK.name, 'BLACK')
+ self.assertEqual(Color.BLACK.value, 'black')
+ self.assertEqual(len(Color), 4)
+
+
+if __name__ == '__main__':
+ raise RuntimeError("'test_v3.py' should not be run by itself; it's included in 'test.py'")
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-02 15:52:01 +0000