def test_unique_dirty(self):
try:
class Dirty(Enum):
__order__ = 'one two tres'
one = 1
two = 'dos'
tres = 1
unique(Dirty)
except ValueError:
exc = sys.exc_info()[1]
message = exc.args[0]
self.assertTrue('tres -> one' in message)
try:
class Dirtier(IntEnum):
__order__ = 'single double triple turkey'
single = 1
double = 1
triple = 3
turkey = 3
unique(Dirtier)
except ValueError:
exc = sys.exc_info()[1]
message = exc.args[0]
self.assertTrue('double -> single' in message)
self.assertTrue('turkey -> triple' in message)
def member_of(obj, arg):
if isinstance(arg, enum.Enum):
enum.unique(obj) # check that enum has unique values
arg = arg.name
if not hasattr(obj, arg):
raise com.IbisTypeError(
'Value with type {} is not a member of {}'.format(type(arg), obj))
return getattr(obj, arg)
def unique3(S, start, stop):
"""Return True if there are no duplicate elements in slice S[start:stop]."""
if stop - start <= 1: return True
elif not unique(S, start, stop - 1): return False
elif not unique(S, start + 1, stop): return False
else: return S[start] != S[stop - 1]
# first part has duplicate
# second part has duplicate # do first and last differ?
def member_of(obj, arg):
if isinstance(arg, enum.Enum):
enum.unique(obj) # check that enum has unique values
arg = arg.name
if not hasattr(obj, arg):
raise com.IbisTypeError(
'Value with type {} is not a member of {}'.format(type(arg), obj)
)
return getattr(obj, arg)
def test_unique_clean(self):
class Clean(Enum):
one = 1
two = 'dos'
tres = 4.0
unique(Clean)
class Cleaner(IntEnum):
single = 1
double = 2
triple = 3
unique(Cleaner)
def member_of(obj, arg, **kwargs):
if isinstance(arg, ir.EnumValue):
arg = arg.op().value
if isinstance(arg, enum.Enum):
enum.unique(obj) # check that enum has unique values
arg = arg.name
if not hasattr(obj, arg):
raise com.IbisTypeError(
f'Value with type {type(arg)} is not a member of {obj}')
return getattr(obj, arg)
def __init__(
self,
*,
coerce: Optional[Callable[[Any], Optional[_GT]]] = None,
empty_value: Optional[str] = "",
enum: Optional[Type[_GT]] = None,
choices: Optional[EnumChoiceIterator[_GT]] = None,
required: bool = True,
widget: Optional[Union[Widget, Type[Widget]]] = None,
label: Optional[str] = None,
initial: Optional[_GT] = None,
help_text: str = "",
error_messages: Optional[Any] = None,
show_hidden_initial: bool = False,
validators: Sequence[Any] = (),
localize: bool = False,
disabled: bool = False,
label_suffix: Optional[Any] = None,
) -> None:
"""When instantiated by a model form, choices will be populated and
enum will not, as Django strips all but a defined set of kwargs.
And coerce will be populated by the model as well.
When using this field directly in a form, enum will be populated and
choices and coerce should be None."""
if enum is not None and choices is None:
self.enum = enum
choices = EnumChoiceIterator(enum=enum, include_blank=required)
coerce = lambda value: coerce_to_enum(self.enum, value)
elif enum is None and choices is not None:
self.enum = choices.enum
else:
assert False, "Pass enum or choices. Not both"
unique(self.enum)
return super().__init__(
coerce=coerce,
empty_value=empty_value,
choices=choices,
required=required,
widget=widget,
label=label,
initial=initial,
help_text=help_text,
error_messages=error_messages,
show_hidden_initial=show_hidden_initial,
validators=validators,
localize=localize,
disabled=disabled,
label_suffix=label_suffix,
)
def named_equally(enumeration: t.Type[ENUM]) -> t.Type[ENUM]:
"""Make sure all the values in the given enum are unique and equal to their
key.
"""
enum.unique(enumeration)
for name, member in enumeration.__members__.items():
if name != member.value:
raise ValueError('Member {} has a wrong value: {}'.format(
name, member.value))
return enumeration
def test_unique_clean(self):
class Clean(Enum):
one = 1
two = 'dos'
tres = 4.0
unique(Clean)
class Cleaner(IntEnum):
single = 1
double = 2
triple = 3
unique(Cleaner)
def __new__(metacls, classname, bases, classdict):
labels = []
value_as_label = classdict.pop('__value_as_label__', False)
for key in classdict._member_names:
args = classdict[key]
if (isinstance(args, (list, tuple)) and len(args) > 1
and isinstance(args[-1], (Promise, str))):
if len(args) == 2 and isinstance(args[0], enum.auto):
value = key
label = args[1]
else:
*value, label = args
value = tuple(value)
else:
value = args
if value_as_label:
label = value
else:
label = key.replace('_', ' ').title()
labels.append(label)
# Use dict.__setitem__() to suppress defenses against double
# assignment in enum's classdict.
dict.__setitem__(classdict, key, value)
cls = super().__new__(metacls, classname, bases, classdict)
cls._value2label_map_ = dict(zip(cls._value2member_map_, labels))
# Add a label property to instances of enum which uses the enum member
# that is passed in as "self" as the value to use when looking up the
# label in the choices.
cls.label = property(
lambda self: cls._value2label_map_.get(self.value))
return enum.unique(cls)
def __new__(metacls, classname, bases, classdict):
labels = []
for key in classdict._member_names:
value = classdict[key]
if (
isinstance(value, (list, tuple)) and
len(value) > 1 and
isinstance(value[-1], (Promise, str))
):
*value, label = value
value = tuple(value)
else:
label = key.replace('_', ' ').title()
labels.append(label)
# Use dict.__setitem__() to suppress defenses against double
# assignment in enum's classdict.
dict.__setitem__(classdict, key, value)
cls = super().__new__(metacls, classname, bases, classdict)
cls._value2label_map_ = dict(zip(cls._value2member_map_, labels))
# Add a label property to instances of enum which uses the enum member
# that is passed in as "self" as the value to use when looking up the
# label in the choices.
cls.label = property(lambda self: cls._value2label_map_.get(self.value))
cls.do_not_call_in_templates = True
return enum.unique(cls)
def __new__(metacls, classname, bases, classdict, **kwds):
extra_keys = {'next', 'initial'}
extra_data = []
# Always is expected that start will be 1
auto_start = 1
auto_last_values = []
auto_count = 0
for key in classdict._member_names:
value = classdict[key]
member_extra_data = {
'next': None,
'initial': True,
'label': key.replace('_', ' ').title()
}
if isinstance(value, Choice):
choice = value
value = choice.value
label = choice.label
member_extra_data.update({
'next': choice.next,
'initial': choice.initial,
**choice.extra
})
elif (isinstance(value, (list, tuple)) and len(value) > 1
and isinstance(value[-1], (Promise, str))):
*value, label = value
value = tuple(value)
if len(value) == 1:
value = value[0]
else:
label = None
if label is None:
label = key.replace('_', ' ').title()
member_extra_data['label'] = label
extra_keys.update(member_extra_data.keys())
extra_data.append(member_extra_data)
if isinstance(value, enum.auto):
value = classdict['_generate_next_value_'](key, auto_start,
auto_count,
auto_last_values)
auto_count += 1
auto_last_values.append(value)
# Use dict.__setitem__() to suppress defenses against double
# assignment in enum's classdict.
dict.__setitem__(classdict, key, value)
cls = super().__new__(metacls, classname, bases, classdict, **kwds)
cls._value2data_map_ = dict(zip(cls._value2member_map_, extra_data))
for key in extra_keys:
set_enum_attribute(cls, key, cls._value2data_map_)
return enum.unique(cls)
def __init__(self, base_enum):
"""Init.
:param enum base_enum: Enum, to which elements values are translated.
"""
base_enum = unique(base_enum)
self.base_enum = base_enum
self._generate_values_tree()
def __init__(self, base_enum):
"""Init.
:param enum base_enum: Enum, to which elements values are translated.
"""
base_enum = unique(base_enum)
self.base_enum = base_enum
self.generate_search_table()
def computeDirectMethod(self):
self.clearResults()
point_size = len(self._input_points)
if point_size < 3:
return
for i in range(point_size - 1):
p = self._input_points[i]
for j in range(i + 1, point_size):
q = self._input_points[j]
rel = q - p
valid = True
last_value = 0.0
for k in range(point_size):
if k == i or k == j:
continue
r = self._input_points[k]
outer_prod = rel.outerProduct(r - p)
if math.fabs(outer_prod) < EPSILON:
# point is on the line
if (r - p).r2() < rel.r2():
# point is on the segment
valid = False
break
if (outer_prod > 0.0
and last_value < 0.0) or (outer_prod < 0.0
and last_value > 0.0):
# point exists in the opposite side
valid = False
break
last_value = outer_prod
if valid:
self._vertices.append(p)
self._vertices.append(q)
if last_value < 0.0:
self._edges.append(Segment2D(p, q))
else:
self._edges.append(Segment2D(q, p))
# sort vertices by counter clockwise order
if len(self._vertices):
BASE_ = self._vertices[len(self._vertices) - 1]
self._vertices.sort(key=functools.cmp_to_key(AngleSortPredicate))
self._vertices = unique(self._vertices)
def get_enum(cls) -> Type[models.TextChoices]:
"""Возвращает перечисление источников для модели."""
enum = unique(
models.TextChoices(
'Source',
[(alias, (alias, source_cls.title))
for alias, source_cls in cls.get_sources().items()]))
return enum
def wrapper(cl):
res = unique(cl)
res.__fb_module__ = modules[fb_cl.__module__]
res.__fb_class__ = fb_cl
if cl.__name__ != fb_cl.__name__:
raise ValueError(
f"Names don't match: {cl.__name__}/{fb_cl.__name__}.")
for member in cl:
if not hasattr(fb_cl, member.name):
raise ValueError(f"{cl}/{member.name} doesn't match {fb_cl}.")
return res
def enum(name, items, start=1, is_int=False):
"""Factory for simple enumerations.
Args:
name: Name of the enum
items: Iterable of items to be sequentially enumerated.
start: The number to use for the first value.
We use 1 as default so enum members are always True.
is_init: True if the enum should be a Python IntEnum
"""
enums = [(v, i) for (i, v) in enumerate(items, start)]
base = pyenum.IntEnum if is_int else pyenum.Enum
base = pyenum.unique(base)
return base(name, enums)
def __new__(metacls, classname, bases, classdict, **kwds):
labels = []
for key in classdict._member_names:
value = classdict[key]
if (isinstance(value, (list, tuple)) and len(value) > 1
and isinstance(value[-1], (Promise, str))):
*value, label = value
value = tuple(value)
else:
label = key.replace('_', ' ').title()
labels.append(label)
# Use dict.__setitem__() to suppress defenses against double
# assignment in enum's classdict.
dict.__setitem__(classdict, key, value)
cls = super().__new__(metacls, classname, bases, classdict, **kwds)
for member, label in zip(cls.__members__.values(), labels):
member._label_ = label
return enum.unique(cls)
def __new__(mcs, cls, bases, classdict):
# check if the __new__ was invoked for StateMachine itself
try:
is_base_cls = StateMachine not in bases
except NameError:
is_base_cls = True
if not is_base_cls:
event_listeners = collections.defaultdict(list)
change_listeners = collections.defaultdict(list)
remove = set()
for name, value in classdict.items():
if hasattr(value, '_on_state'):
states = value._on_state
for state in states:
if isinstance(state, enum.Enum):
state = state.value
event_listeners[state].append(value)
remove.add(name)
if hasattr(value, '_on_transition'):
transitions = value._on_transition
for transition in transitions:
current, next = transition
if isinstance(current, enum.Enum):
current = current.value
if isinstance(next, enum.Enum):
next = next.value
change_listeners[(current, next)].append(value)
remove.add(name)
for name in remove:
del classdict[name]
classdict['__event_listeners__'] = dict(event_listeners)
classdict['__change_listeners__'] = dict(change_listeners)
obj = enum.unique(super().__new__(mcs, cls, bases, classdict))
if 0 not in obj._value2member_map_:
raise ValueError(f'No start state found in {obj!r}')
else:
obj = super().__new__(mcs, cls, bases, classdict)
return obj
def __new__(mcs, cls, bases, classdict): # pylint: disable=too-many-branches
# check if the __new__ was invoked for StateMachine itself
try:
is_base_cls = StateMachine not in bases
except NameError:
is_base_cls = True
if not is_base_cls:
event_listeners = collections.defaultdict(list)
change_listeners = collections.defaultdict(list)
remove = set()
for name, value in classdict.items():
if hasattr(value, "_on_state"):
states = value._on_state # pylint: disable=protected-access
for state in states:
if isinstance(state, enum.Enum):
state = state.value
event_listeners[state].append(value)
remove.add(name)
if hasattr(value, "_on_transition"):
transitions = (value._on_transition) # pylint: disable=protected-access
for (current, next_state) in transitions:
if isinstance(current, enum.Enum):
current = current.value
if isinstance(next_state, enum.Enum):
next_state = next_state.value
change_listeners[(current, next_state)].append(value)
remove.add(name)
for name in remove:
del classdict[name]
classdict["__event_listeners__"] = dict(event_listeners)
classdict["__change_listeners__"] = dict(change_listeners)
obj = enum.unique(super().__new__(mcs, cls, bases, classdict))
if 0 not in obj._value2member_map_:
raise ValueError(f"No start state found in {obj!r}")
else:
obj = super().__new__(mcs, cls, bases, classdict)
return obj
from ieml.dictionary.dictionary import Dictionary
from ieml.dictionary.tools import term
logger = logging.getLogger(__name__)
RelationType = unique(
IntEnum(
'RelationType', {
'Null': 0,
'Equal': 1,
'Crossed': 2,
'Associated': 3,
'Twin': 4,
'Opposed': 5,
**{'Rank_%d' % i: 6 + i
for i in range(6)},
**{
'Child_%s' % ''.join(s): int(11 + (3**i - 1) / 2 + j)
for i in range(1, 4) for j, s in enumerate(
product('sam', repeat=i))
},
**{
'Father_%s' % ''.join(s): int(50 + (3**i - 1) / 2 + j)
for i in range(1, 4) for j, s in enumerate(
product('sam', repeat=i))
}
}))
def default_metric(dictionary_version):
mat = get_matrix('distance', dictionary_version)
return lambda t0, t1: mat[t0.index, t1.index]
def update_event(self, inp=-1):
self.set_output_val(0, enum.unique(self.input(0)))
'CLUSTER_COLOR_B',
'CLUSTER_COLOR_SAMPLE',
'CLUSTER_COLOR_APPLY',
'CLUSTER_COLOR_RESET',
'SAVED_PROFILES',
'LOAD_PROFILE',
'NEW_PROFILE_NAME',
'SAVE_PROFILE',
'MENU_TABS',
'COLOR_MANIPULATION_TAB',
'EXCLUSION_TAB',
'PERSISTENCE_TAB',
]
# noinspection PyArgumentList
Fields = unique(
Enum('Fields', [(name, _as_id(name)) for name in _FIELDS], type=str))
def make_title():
return html.H4(id=Fields.TITLE,
children=divik_result_path(),
style={'text-align': 'center'})
def make_plot():
result_depth = depth(divik_result())
return html.Div(id=Fields.CLUSTERS_CONTAINER,
children=[
dcc.Graph(id=Fields.CLUSTERS_GRAPH,
figure=default_clusters_figure(),
style={'min-height': 600}),
def assert_bijective(cls):
enum.unique(cls)
def test_currency():
unique(Currency)
assert Currency.EGP.value == 31
assert format(Currency.EUR, 's') == '€'
def test_continent():
unique(Continent)
assert Continent.AF.value == 'Africa'
import numpy as np
from scipy.sparse.csr import csr_matrix
from ieml.dictionary.dictionary import Dictionary
from ieml.dictionary.tools import term
logger = logging.getLogger(__name__)
RelationType = unique(IntEnum('RelationType', {
'Null': 0,
'Equal': 1,
'Crossed': 2,
'Associated': 3,
'Twin': 4,
'Opposed': 5,
**{'Rank_%d'%i: 6 + i for i in range(6)},
**{'Child_%s'%''.join(s): int(11 + (3 ** i - 1) / 2 + j) for i in range(1, 4) for j, s in
enumerate(product('sam', repeat=i))},
**{'Father_%s' % ''.join(s): int(50 + (3 ** i - 1) / 2 + j) for i in range(1, 4) for j, s in
enumerate(product('sam', repeat=i))}
}))
def default_metric(dictionary_version):
mat = get_matrix('distance', dictionary_version)
return lambda t0, t1: mat[t0.index, t1.index]
def term_ranking(t):
def test_country():
unique(Country)
assert Country.PH.value == 'Philippines'
def test_subdivision():
unique(Subdivision)
assert Subdivision['ES-CA'].value == 963
def unique_enum(cls):
"""Make the enum class unique and provide a reverse mapping"""
cls = enum.unique(cls)
cls.__values__ = OrderedDict(
(v.value, v) for v in cls.__members__.values())
return cls
def __new__(metacls, classname, bases, classdict):
cls = super().__new__(metacls, classname, bases, classdict)
return enum.unique(cls)
Args:
stream (object): a writable binary file-like object
'''
assert (not stream.closed) and stream.writable
pstr = pickle.dumps(self)
pstrlen = str(len(pstr)).encode()
stream.write(pstrlen + b'\n' + pstr)
stream.flush()
# Enumerated type for TrafficRequest; module-level for pickling purposes
TrafficRequestType = enum.unique(
enum.Enum(
'TrafficRequestType',
'EXIT SHUTDOWN START TEST',
), )
class TrafficRequest(TrafficMessage):
''' Request object sent from client to server '''
def __init__(self, message, identifier=None, payload=None):
''' Create a TrafficRequest of the given type with the specified
payload
Args:
message (TrafficRequestType): the message type
identifier (int): a unique identifier used to refer to a single
test driver
payload (object): the payload to incorporate; defaults to None
def unique_mask(enumeration):
for name, value in enumeration.__members__.items():
if value ^ (value & (-value)) > 0:
raise ValueError(f"Non-binary mask found in {enumeration}: "
f"{name} -> {value}")
unique(enumeration)
def __init__(self, enum_class, *args, **kwargs):
if not issubclass(enum_class, enum.Enum):
raise ValueError("enum_class argument must be a Python 3 enum.")
self.enum_class = enum.unique(enum_class) # ensure unique members to prevent accidental database corruption
kwargs['choices'] = [(item, item.name) for item in self.enum_class]
super(EnumField, self).__init__(*args, **kwargs)
def _make_enum(self):
pairs = ((t.name, t.type) for t in self._type_records)
return unique(Enum(self.name, pairs))
Feb ==> Month.Feb , 2
Mar ==> Month.Mar , 3
Apr ==> Month.Apr , 4
May ==> Month.May , 5
Jun ==> Month.Jun , 6
Jul ==> Month.Jul , 7
Aug ==> Month.Aug , 8
Sep ==> Month.Sep , 9
Oct ==> Month.Oct , 10
Nov ==> Month.Nov , 11
Dec ==> Month.Dec , 12
1)定义枚举时，成员名称不允许重复；
2)默认情况下，不同的成员值允许相同，但是两个相同值的成员，第二个的名称会被视作为第一个成员的别名；
3)如果枚举中存在相同值的成员，在通过值获取枚举成员时，只能获取到第一个成员
4)如果要限制定义枚举时，不能定义相同值的成员，可以使用装饰器@unique (需要导入unique模块)
eg:
from enum import Enum, unique
@unique
class Weekday(Enum): #枚举定义用class关键字，继承Enum类
Sun = 0
Mon = 1
Tue = 2
Wed = 3
Thu = 4
Fri = 5
Sat = 6
