Python 3, module 'itertools' has no attribute 'ifilter'

Question

I am new at Python, trying to build an old python file into Python 3. I got several build errors which I solved. But at this point I am getting above error. I have no idea how to fix this. The code section looks like below.

return itertools.ifilter(lambda i: i.state == "IS", self.storage)

Asked By: Sohag Mony

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Source

Answer 1

itertools.ifilter() was removed in Python 3 because the built-in filter() function provides the same functionality now.

If you need to write code that can run in both Python 2 and Python 3, use imports from the future_builtins module (only in Python 2, so use a try...except ImportError: guard):

try:
    # Python 2
    from future_builtins import filter
except ImportError:
    # Python 3
    pass

return filter(lambda i: i.state == "IS", self.storage)

Answered By: Martijn Pieters

Python 3, module 'itertools' has no attribute 'ifilter'

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