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contextlib.py

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v0.9

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contextlib.py

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##

# copyright 2009, James William Pye

# http://python.projects.postgresql.org

##

import sys

class NoCM(object):

"""

CM that does nothing. Useful for parameterized CMs.

"""

__slots__ = ()

def __new__(typ):

return typ

@staticmethod

def __enter__():

pass

@classmethod

def __context__(typ):

return typ

@staticmethod

def __exit__(typ, val, tb):

pass