93 lines
2.4 KiB
Python
93 lines
2.4 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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#
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# SSnR.py
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#
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# Copyright 2017 Rémi BERTHO <remi.bertho@dalan.fr>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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# MA 02110-1301, USA.
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#
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#
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import sys
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import argparse
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import regex
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def main():
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"""
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Main function
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"""
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parser = argparse.ArgumentParser(description='Search and replace tool', prog='SSnR')
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parser.add_argument('-e', '--regex', help='Regex', required=True)
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parser.add_argument('-s', '--string', help='String', required=True)
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parser.add_argument('-r', '--replace', help='Replace', required=False)
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args = vars(parser.parse_args())
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# Compile regex
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try:
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ex = compile_regex(args["regex"])
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except SyntaxError as exception:
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print("Error when compiling regex: " + str(exception))
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return -1
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except regex.error as exception:
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print("Error when compiling regex: " + exception.msg)
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return -1
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if args["replace"] is not None:
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replace(ex, args["string"], args["replace"])
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else:
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search(ex, args["string"])
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return 0
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def compile_regex(ex):
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"""
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Compile regex
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:param ex: Regular expression
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"""
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regex_compile = regex.compile(ex, regex.MULTILINE)
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if regex_compile is None:
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raise SyntaxError('Error in the regex')
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else:
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return regex_compile
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def search(ex, string):
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"""
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Search in a string
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:param ex: Regular expression
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:param string: A string
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"""
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ite = ex.finditer(string)
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nb_match = 0
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for match in ite:
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nb_match += 1
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print(" - Found \"" + match.group(0) + "\" at [" + str(match.start(0)) +
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":" + str(match.end(0)) + "]")
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print("Number of match: " + str(nb_match))
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def replace(ex, string, replace_string):
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"""
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Replace in a string
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:param ex: Regular expression
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:param string: A string
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"""
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res = ex.subn(replace_string, string)
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print(res[0])
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print("Number of match: " + str(res[1]))
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if __name__ == '__main__':
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sys.exit(main())
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