annotate makeitso/file2template.py @ 210:ab726b2f3143

arbitrary python requirements, the bad way
author Jeff Hammel <k0scist@gmail.com>
date Wed, 25 Mar 2015 12:09:15 -0700
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children
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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 convert a file to a template
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6 """
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7 # TODO: shell script extension
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8
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9 import argparse
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10 import os
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11 import sys
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13 here = os.path.dirname(os.path.realpath(__file__))
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14 string = (str, unicode)
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15
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16 template = '''#!/usr/bin/env python
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18 """
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19 template
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20 """
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21
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22 import argparse
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23 import sys
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24
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25 variables = dict({variables})
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26
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27 template = """{template}"""
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29 def main(args=sys.argv[1:]):
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30 """CLI"""
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31
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32 # parse command line
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33 parser = argparse.ArgumentParser(description=__doc__)
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34 for variable in variables:
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35 pass
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36 options = parser.parse_args(args)
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37
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38 if __name__ == '__main__':
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39 main()
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40 '''
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42
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43 class File2TemplateParser(argparse.ArgumentParser):
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44 """argument parser for `%(prog)s`"""
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46 def __init__(self):
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47 argparse.ArgumentParser.__init__(self, description=__doc__)
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48 self.add_argument('input', nargs='?',
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49 type=argparse.FileType('r'), default=sys.stdin,
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50 help='input file, or read from stdin if ommitted')
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51 self.add_argument('variables', nargs='*',
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52 help="variables to use")
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53 self.add_argument('-o', '--output', dest='output',
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54 type=argparse.FileType('w'), default=sys.stdout,
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55 help="output file, or stdout if ommitted'")
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58 def main(args=sys.argv[1:]):
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59 """CLI"""
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60
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61 # parse command line
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62 parser = File2TemplateParser()
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63 options = parser.parse_args(args)
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64
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65 # get variable values
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66 lines = []
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67 for v in options.variables:
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68 if '=' in v:
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69 key, value = v.split('=', 1)
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70 else:
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71 key = v
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72 value = 'None'
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73 lines.append('{}: {},'.format(repr(key), value))
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74 varstring = '\n'.join(lines)
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75
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76 # read the content
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77
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78 # interpolate the template
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79 output = template.format(variables=varstring, template='')
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80 options.output.write(output)
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82 if __name__ == '__main__':
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83 main()