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Fix compatibility

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This commit fixes usage of the Singleton metaclass so that it is
compatible with both Python 2 and Python 3.
This commit is contained in:
Anish Athalye 2015-01-26 10:36:36 -05:00
parent c638e25941
commit 69502854aa
2 changed files with 7 additions and 3 deletions
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5
dotbot/messenger/messenger.py
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@ -1,11 +1,10 @@
import sys import sys
from ..util.singleton import Singleton from ..util.singleton import Singleton
from ..util.compat import with_metaclass
from .color import Color from .color import Color
from .level import Level from .level import Level
class Messenger(object): class Messenger(with_metaclass(Singleton, object)):
__metaclass__ = Singleton
def __init__(self, level = Level.LOWINFO): def __init__(self, level = Level.LOWINFO):
self.set_level(level) self.set_level(level)

5
dotbot/util/compat.py Normal file
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@ -0,0 +1,5 @@
def with_metaclass(meta, *bases):
class metaclass(meta):
def __new__(cls, name, this_bases, d):
return meta(name, bases, d)
return type.__new__(metaclass, 'temporary_class', (), {})