Created
February 19, 2015 09:55
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C#/Java style Enum with names in Python 2.7+
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| from abc import ABCMeta, abstractmethod | |
| import inspect | |
| class BaseEnum(object): | |
| __metaclass__ = ABCMeta | |
| def __init__(self): | |
| self._names = dict() | |
| self._names_reversed = dict() | |
| self.init_enum() | |
| def get_name(self, id): | |
| name = self._names.get(id, None) | |
| return name | |
| def get_id(self, name): | |
| id = self._names_reversed.get(name, None) | |
| return id | |
| def define(self, id, name): | |
| self._names[id] = name | |
| self._names_reversed[name] = id | |
| return id | |
| @abstractmethod | |
| def init_enum(self): | |
| pass | |
| class StateEnum(BaseEnum): | |
| def init_enum(self): | |
| self.unknown = self.define(0, 'Unknown') | |
| self.known = self.define(1, 'Known') | |
| class TypeEnum(BaseEnum): | |
| def init_enum(self): | |
| self.car = self.define(0, 'Car') | |
| self.plane = self.define(1, 'Plane') | |
| State = StateEnum() | |
| Type = TypeEnum() |
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| #!/usr/bin/env python | |
| from enums import State, Type | |
| print State.unknown | |
| print State.get_id(State.get_name(State.unknown)) | |
| print Type.car | |
| print State.get_name(Type.car) |
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