Mercurial > hg > sqlex
diff sqlex/main.py @ 0:a05c70cc24be
initial commit
author | Jeff Hammel <k0scist@gmail.com> |
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date | Fri, 31 Mar 2017 18:21:15 -0700 |
parents | |
children | 1cfdb859f9d2 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/sqlex/main.py Fri Mar 31 18:21:15 2017 -0700 @@ -0,0 +1,52 @@ +#!/usr/bin/env python +# -*- coding: utf-8 -*- + +""" +sql(ite) explorer/exporter +""" + +# imports +import argparse +import os +import sys + +def ensure_dir(directory): + """ensure a directory exists""" + if os.path.exists(directory): + if not os.path.isdir(directory): + raise OSError("Not a directory: '{}'".format(directory)) + return directory + os.makedirs(directory) + return directory + + +class SQLExParser(argparse.ArgumentParser): + """CLI option parser""" + + def __init__(self, **kwargs): + kwargs.setdefault('formatter_class', argparse.RawTextHelpFormatter) + kwargs.setdefault('description', __doc__) + argparse.ArgumentParser.__init__(self, **kwargs) + self.add_argument('db', help="sqlite `.db` file") + self.options = None + + def parse_args(self, *args, **kw): + options = argparse.ArgumentParser.parse_args(self, *args, **kw) + self.validate(options) + self.options = options + return options + + def validate(self, options): + """validate options""" + +def main(args=sys.argv[1:]): + """CLI""" + + # parse command line options + parser = SQLExParser() + options = parser.parse_args(args) + +if __name__ == '__main__': + main() + +