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#!/usr/bin/env python |
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# |
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# eval_line.py |
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# |
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# Copyright (C) 2014-2020, Takazumi Shirayanagi |
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# This software is released under the new BSD License, |
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# see LICENSE |
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# |
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import re |
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import codecs |
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from argparse import ArgumentParser |
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from argparse import Action |
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# EvalIntAction |
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class EvalIntAction(Action): |
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def __call__(self, parser, namespace, values, options_string=None): |
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setattr(namespace, self.dest, int(eval(values[0]))) |
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# command line option |
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View Code Duplication |
def parse_command_line(): |
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parser = ArgumentParser() |
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parser.add_argument( |
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'-v', |
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'--version', |
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action='version', |
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version=u'%(prog)s version 0.2' |
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) |
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parser.add_argument( |
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'-r', |
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'--repeat', |
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action=EvalIntAction, |
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nargs=1, |
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default=1, |
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help='Set eval repeat count.' |
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) |
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parser.add_argument( |
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'-s', |
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'--start', |
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action=EvalIntAction, |
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nargs=1, |
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default=0, |
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help='Set eval repeat start no.' |
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) |
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parser.add_argument( |
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'-o', |
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'--output', |
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default=None, |
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help='output file path.' |
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) |
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parser.add_argument( |
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'--encoding', |
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default=None, |
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help='output file encoding.' |
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) |
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parser.add_argument( |
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'expression', |
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metavar='EXP', |
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nargs='+', |
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help='eval expressions' |
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) |
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options = parser.parse_args() |
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return options |
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def eval_line(r, define, line): |
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m = r.finditer(define) |
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if m is None: |
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return define |
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else: |
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out = define |
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for e in m: |
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out = out.replace(e.group(0), str(eval(e.group(1)))) |
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return out |
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def main(): |
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re_eval = re.compile(r'\${([^}]+)}') |
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options = parse_command_line() |
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define = options.expression[0] |
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for a in options.expression[1:]: |
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define += ' ' + a |
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output = options.output |
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if output is None: |
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for line in range(options.repeat): |
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print(eval_line(re_eval, define, line + options.start)) |
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else: |
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if options.encoding: |
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file = codecs.open(output, 'w', options.encoding) |
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else: |
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file = open(output, 'w') |
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for line in range(options.repeat): |
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file.write(eval_line(re_eval, define, line + options.start)) |
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file.write('\n') |
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file.close() |
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if __name__ == '__main__': |
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main() |
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srz-zumix /
iutest
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