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how to use argparse

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TheRubberDucky answered on July 20, 2020 Popularity 10/10 Helpfulness 4/10

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how to use argparse

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import argparse

if __name__ == "__main__":
	#add a description
	parser = argparse.ArgumentParser(description="what the program does")

	#add the arguments
	parser.add_argument("arg1", help="advice on arg")
	parser.add_argument("arg2", help="advice on arg")
#						.
# 						.
#   					.
	parser.add_argument("argn", help="advice on arg")

	#this allows you to access the arguments via the object args
	args = parser.parse_args()

	#how to use the arguments
	args.arg1, args.arg2 ... args.argn

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Contributed on Feb 19 2021

TheRubberDucky

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python argparse

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import argparse

# construct the argument parse and parse the arguments
ap = argparse.ArgumentParser()
ap.add_argument("-n", "--name", required=True, help="name of the user")
args = vars(ap.parse_args())

# display a friendly message to the user
print("Hi there {}, it's nice to meet you!".format(args["name"]))

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Source: www.pyimagesearch.com

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Contributed on May 24 2021

Enoch

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python argparse

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import argparse

parser = argparse.ArgumentParser()
parser.add_argument('-d', '--date', help='date of event', type=str)
parser.add_argument('-t', '--time', help='time of event', type=str)
args = parser.parse_args()

print(f'Event was on {args.date} at {args.time}')

Popularity 10/10 Helpfulness 5/10 Language python

Source: Grepper

Tags: add

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Contributed on Nov 09 2022

Jonathan Birnbaum

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python argparse

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import argparse

parser = argparse.ArgumentParser(
    prog='top',
    description='Show top lines from each file')
parser.add_argument('filenames', nargs='+')
parser.add_argument('-l', '--lines', type=int, default=10)
args = parser.parse_args()
print(args)

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Source: docs.python.org

Tags: argparse argpars

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Contributed on Dec 07 2022

Emmanuel Ogunsola

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python argparse file argument

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import argparse

parser = argparse.ArgumentParser()
parser.add_argument('file', type=argparse.FileType('r'))
args = parser.parse_args()

print(args.file.readlines())

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Source: stackoverflow.com

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Contributed on Jul 20 2020

Wrong Whale

0 Answers Avg Quality 2/10

argparse cli

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# importing required modules
import argparse
 
# create a parser object
parser = argparse.ArgumentParser(description = "An addition program")
 
# add argument
parser.add_argument("add", nargs = '*', metavar = "num", type = int,
                     help = "All the numbers separated by spaces will be added.")
 
# parse the arguments from standard input
args = parser.parse_args()
 
# check if add argument has any input data.
# If it has, then print sum of the given numbers
if len(args.add) != 0:
    print(sum(args.add))

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Source: www.geeksforgeeks.org

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Contributed on Apr 23 2022

Matthew Edelen

0 Answers Avg Quality 2/10

use argparse to call function and use argument in function

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# Parse the subcommand argument first
parser = ArgumentParser(add_help=False)
parser.add_argument("function", 
                    nargs="?",
                    choices=['function1', 'function2', 'function2'],
                    )
parser.add_argument('--help', action='store_true')
args, sub_args = parser.parse_known_args(['--help'])

# Manually handle help
if args.help:
    # If no subcommand was specified, give general help
    if args.function is None: 
        print parser.format_help()
        sys.exit(1)
    # Otherwise pass the help option on to the subcommand
    sub_args.append('--help')

# Manually handle the default for "function"
function = "function1" if args.function is None else args.function

# Parse the remaining args as per the selected subcommand
parser = ArgumentParser(prog="%s %s" % (os.path.basename(sys.argv[0]), function))
if function == "function1":
    parser.add_argument('-a','--a')
    parser.add_argument('-b','--b')
    parser.add_argument('-c','--c')
    args = parser.parse_args(sub_args)
    function1(args.a, args.b, args.c)
elif function == "function2":
    ...
elif function == "function3":
    ...

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Source: stackoverflow.com

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Contributed on Feb 01 2021

Strange Swan

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argparse type

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parser.add_argument("arg1", type=int)

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Contributed on Jun 04 2021

FaceToThePalm

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argparse python sentence

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python Application.py -env="-env"

Popularity 10/10 Helpfulness 1/10 Language python

Source: stackoverflow.com

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Contributed on Jun 07 2021

Tirbo06

0 Answers Avg Quality 2/10

how to use argparse

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