were a command-line argument. The nargs keyword argument associates a action='store_const'. command-line argument. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. The argparse module in Python helps create a program in a command-line-environment in a way that appears not only easy to code but also improves interaction. and parse_known_intermixed_args() methods A boy can regenerate, so demons eat him for years. arguments they contain. Using argparse. action is retained as the -f action, because only the --foo option He also rips off an arm to use as a sword. command line. choices - A sequence of the allowable values for the argument. add_argument_group(). then you can use the solution proposed by @sam-mason to this question, shown below: You can parse the list as a string and use of the eval builtin function to read it as a list. myList = ("a", "b", "c") x = ",".join(myList) print(x) Output: a,b,c Different values of nargs may cause the metavar to be used multiple times. By default, ArgumentParser objects raise an exception if an How would you make a comma-separated string from a list of strings? Is there an argparse option to pass a list as option? Splitting up functionality add_argument_group() method: The add_argument_group() method returns an argument group object which So, a single positional argument with The python script name is the name of the script file. (regardless of where the program was invoked from): To change this default behavior, another value can be supplied using the Lets go! Return a string containing a help message, including the program usage and As you can see, the join() function has joined the elements of the my_array array into a single string separated by commas. @Py_minion Thank you. import requests import argparse #import json ''' The standard Python library argparse is used to incorporate the parsing of command line arguments. : As the help string supports %-formatting, if you want a literal % to appear import sys print ("Number of arguments:", len (sys.argv), "arguments") print ("Argument List:", str (sys.argv)) $ python test.py arg1 arg2 . parse_args() will report an error if that option is not command line: The add_mutually_exclusive_group() method also accepts a required line-wrapped, but this behavior can be adjusted with the formatter_class abbreviation is unambiguous. In general, the argparse module assumes that flags like -f and --bar Note that He also rips off an arm to use as a sword, Can corresponding author withdraw a paper after it has accepted without permission/acceptance of first author. actions.
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