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POOrdering enum value in python
 

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    <p>I would like to be able to arrange the ordering of Enum. Has somebody suggestions how this can be solved? </p> <p>The following Enum meta class is using: </p> <pre><code>class EnumMeta(type): def __new__(typ, name, bases, attrs): cls_attrs = {} cls_choices = [] for attr_name, value in attrs.items(): cls_attrs[attr_name] = attr_name.lower() if not attr_name.startswith("__"): cls_choices.append((attr_name.lower(), value)) def choices(cls): return cls_choices def values(cls, value=None): if value is None: return {choice[0]: unicode(choice[1]) for choice in cls.choices()} elif isinstance(value, list): return {choice[0]: unicode(choice[1]) for choice in cls.choices() if choice[0] in value} else: return unicode(dict(cls.choices()).get(value)) def keys(cls, nil=False): items = [item[0] for item in cls.choices()] if nil: items.append('') return items def combined_length(cls): return len(",".join(cls.values().keys())) def max_length(cls): return max(map(len, cls.values().keys())) cls_attrs['choices'] = classmethod(choices) cls_attrs['values'] = classmethod(values) cls_attrs['keys'] = classmethod(keys) cls_attrs['combined_length'] = classmethod(combined_length) cls_attrs['max_length'] = classmethod(max_length) return type(name, bases, cls_attrs) </code></pre> <p>An example of an Enum is as follow: </p> <pre><code>class SideHemType: __ordering__ = ['double', 'single'] __metaclass__ = EnumMeta Single = "Single side hem for opaque fabrics" Double = "Double side hem for transparent fabrics" class TestEnumOrdering: print SideHemType.keys() print SideHemType.values() </code></pre> <p>By printing the Enum SideHemType first Double is printed and then Single. But I would like first Single and then Double. </p>
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    1. USRobert
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    1. COI don't see any printing in the code you provided. My wild guess is that you are printing a `dict`, which does *not* provide any guarantee on the order of the keys.
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    2. COI think the indenting is right at last...
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      1. USAntti Haapala
    3. COThe dict is the class.__dict__, no there is no ordering for that
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