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#!/usr/bin/env python
# Main Stetl program.
#
# Author: Just van den Broecke
#
from stetl.main import parse_args
from stetl.etl import ETL
from stetl.util import Util
from stetl.version import __version__
import sys
log = Util.get_log('main')
def main():
"""The Stetl `main` program, to be called from commandline, like `stetl -c etl.cfg`.
Args:
-c --config <config_file> the Stetl config file.
-s --section <section_name> the section in the Stetl config (ini) file to execute (default is [etl]).
-a --args <arglist> zero or more substitutable args for symbolic, {arg}, values in Stetl config file, in format -a arg1=foo -a arg2=bar etc.
-v --version Show the current version of stelt and exit
-h --help <subject> Get component documentation like its configuration parameters, e.g. stetl doc stetl.inputs.fileinput.FileInput
"""
args = parse_args(sys.argv[1:])
if args.version:
print('Stetl version: ', __version__)
exit()
if args.config_file:
# Do the ETL
etl = ETL(vars(args), args.config_args)
etl.run()
else:
print('Try stetl -h for help')
if __name__ == "__main__":
main()
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