I have a string and I need to extract the positional params and optional params from it.
"start command test --param_1 a --param_2 b"
Is there a way we can extract the params from a string instead of script arguments using 'argparse' module?
Thanks
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pymotw.com/2/getopt this a good alternative?Utkarsh Sharma– Utkarsh Sharma2020-12-17 10:42:55 +00:00Commented Dec 17, 2020 at 10:42
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That is not a job for argparse (or for getopt). argparse handles the stuff that comes after the step you're trying to do.user2357112– user23571122020-12-18 05:03:51 +00:00Commented Dec 18, 2020 at 5:03
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1 Answer
argparse.parse_args() can accept a list to parse.
import argparse
parser = argparse.ArgumentParser()
# Insert your rules
# Parse my string, first splitting it into a list.
args = parser.parse_args("start command test --param_1 a --param_2 b".split())
If you need to be careful about quotes in your string, shelx.split may be better than .split().
