[issue5513] "What's New" should say VERY CLEARLY that the type file is gone

[David W. Lambert]

David W. Lambert <lamber...@corning.com> added the comment:

#OOPS!  I forgot the subtlety.
#I must also retain the stream
#else it gets collected.
#Nasty.


import io

class file(io.TextIOWrapper):

    '''condensing code for this list without test is a no no!'''

    def __init__(self,name):
        self.stream = open(name)   # SAVE THE STREAM!
        super().__init__(self.stream.buffer)

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<http://bugs.python.org/issue5513>
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