python argparse file argument
import argparse
parser = argparse.ArgumentParser()
parser.add_argument('file', type=argparse.FileType('r'))
args = parser.parse_args()
print(args.file.readlines())python argparse file argument
import argparse
parser = argparse.ArgumentParser()
parser.add_argument('file', type=argparse.FileType('r'))
args = parser.parse_args()
print(args.file.readlines())python argument parser default value
parser.add_argument("-v", "--verbose", action="store_true",
default="your default value", help="verbose output")argparse positional arguments
import argparse
parser = argparse.ArgumentParser(description='Process some integers.')
# Positional arguments
parser.add_argument('integers', metavar='N', type=int, nargs='+',
help='an integer for the accumulator')
# Optional arguments
parser.add_argument('--sum', dest='accumulate', action='store_const',
const=sum, default=max,
help='sum the integers (default: find the max)')Copyright © 2021 Codeinu
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