view python/example/iterable.py @ 767:35f8751c0930

it is very annoying to have ones overrides overridden; see also http://stackoverflow.com/questions/25381304/why-type-cd-on-mac-os-states-that-cd-is-a-function
author Jeff Hammel <k0scist@gmail.com>
date Thu, 28 Jan 2016 14:02:17 -0800
parents e10d85ee0be3
children
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#!/usr/bin/env python
# -*- coding: utf-8 -*-

"""
illustration of a class iterable
"""
# XXX does not work!!@ TODO!!! XXX #

import argparse
import sys

class MyIterable(object):
    def __init__(self, max):
        self.items = list(range(max))
    def __iter__(self):
        return self
    def next(self):
        for i in self.items:
            yield i

def main(args=sys.argv[1:]):

    usage = '%prog [options]'
    parser = argparse.ArgumentParser(usage=usage, description=__doc__)
    options = parser.parse_args(args)

    myiter = MyIterable(10)
    for i in myiter:
        print ('Hi {}'.format(i))

if __name__ == '__main__':
    main()