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annotate makeitso/python_package/{{package}}/{{main}}.py @ 219:7f8820a1c2d6

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author Jeff Hammel <k0scist@gmail.com>
date Mon, 14 Dec 2015 13:02:39 -0800
parents ab726b2f3143
children b4a3e8bbe095
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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 {{description}}
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6 """
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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 import time
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15 # python requirements
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16 # (key, value) = (module, PyPI name)
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17 requirements = ()
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18 for module, package in requirements:
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19 try:
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20 globals()[module] = __import__(module)
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21 except ImportError:
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22 # install requirement and try again
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23 subprocess.check_call(['pip', 'install', package])
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24 args = [sys.executable] + sys.argv
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25 os.execl(sys.executable, *args)
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27 # module globals
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28 __all__ = ['main', 'Parser']
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29 here = os.path.dirname(os.path.realpath(__file__))
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30 string = (str, unicode)
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32 def ensure_dir(directory):
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33 """ensure a directory exists"""
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34 if os.path.exists(directory):
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35 if not os.path.isdir(directory):
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36 raise OSError("Not a directory: '{}'".format(directory))
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37 return directory
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38 os.makedirs(directory)
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39 return directory
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42 class Parser(argparse.ArgumentParser):
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43 """CLI option parser"""
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44 def __init__(self, **kwargs):
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45 kwargs.setdefault('formatter_class', argparse.RawTextHelpFormatter)
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46 kwargs.setdefault('description', __doc__)
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47 argparse.ArgumentParser.__init__(self, **kwargs)
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48 self.add_argument('--monitor', dest='monitor',
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49 type=float, metavar='SLEEP',
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50 help="run in monitor mode")
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51 self.options = None
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52
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53 def parse_args(self, *args, **kw):
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54 options = argparse.ArgumentParser.parse_args(self, *args, **kw)
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55 self.validate(options)
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56 self.options = options
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57 return options
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59 def validate(self, options):
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60 """validate options"""
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62 def main(args=sys.argv[1:]):
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63 """CLI"""
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65 # parse command line options
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66 parser = Parser()
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67 options = parser.parse_args(args)
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69 try:
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70 while True:
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71 if options.monitor:
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72 time.sleep(options.monitor)
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73 else:
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74 break
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75 except KeyboardInterrupt:
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76 pass
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78 if __name__ == '__main__':
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79 main()
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