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1 #!/usr/bin/env python
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2 # -*- coding: utf-8 -*-
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3
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4 """
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5 slice a arbitrarily sized list
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6 """
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7
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8 # imports
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9 import argparse
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10 import os
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11 import subprocess
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12 import sys
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13
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14 # module globals
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15 __all__ = ['main', 'Parser']
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16
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17 def slice(container, n_chunks):
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18 size = int(len(container)/n_chunks)
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19
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20
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21 class Parser(argparse.ArgumentParser):
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22 """CLI option parser"""
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23 def __init__(self, **kwargs):
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24 kwargs.setdefault('description', __doc__)
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25 argparse.ArgumentParser.__init__(self, **kwargs)
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26 self.add_argument('N', type=int,
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27 help="number of chunks")
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28 self.add_argument('-M', '--len', dest='length', type=int,
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29 help="length of list")
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30 self.options = None
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31
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32 def parse_args(self, *args, **kw):
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33 options = argparse.ArgumentParser.parse_args(self, *args, **kw)
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34 self.validate(options)
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35 self.options = options
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36 return options
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37
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38 def validate(self, options):
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39 """validate options"""
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40
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41 def main(args=sys.argv[1:]):
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42 """CLI"""
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43
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44 # parse command line options
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45 parser = Parser()
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46 options = parser.parse_args(args)
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47
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48 if __name__ == '__main__':
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49 main()
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50
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