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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 personal experiments in plotting
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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 here = os.path.dirname(os.path.realpath(__file__))
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17 string = (str, unicode)
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18
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19 def ensure_dir(directory):
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20 """ensure a directory exists"""
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21 if os.path.exists(directory):
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22 assert os.path.isdir(directory)
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23 return directory
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24 os.makedirs(directory)
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25 return directory
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26
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27
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28 class Parser(argparse.ArgumentParser):
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29 """CLI option parser"""
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30 def __init__(self, **kwargs):
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31 kwargs.setdefault('description', __doc__)
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32 argparse.ArgumentParser.__init__(self, **kwargs)
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33 self.options = None
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34
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35 def parse_args(self, *args, **kw):
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36 options = argparse.ArgumentParser.parse_args(self, *args, **kw)
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37 self.validate(options)
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38 self.options = options
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39 return options
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40
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41 def validate(self, options):
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42 """validate options"""
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43
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44 def main(args=sys.argv[1:]):
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45 """CLI"""
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46
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47 # parse command line options
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48 parser = Parser()
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49 options = parser.parse_args(args)
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50
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51 if __name__ == '__main__':
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52 main()
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53
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