argparse

how to pass multiple flags in argparse python Question: I am trying to pass multiple flags, basically two flags. This is what my code looks like parser.add_argument(‘–naruto’, action=’store_true’) parser.add_argument(‘–transformers’, action=’store_true’) parser.add_argument(‘–goku’, action=’store_true’) parser.add_argument(‘–anime’, action=’store_true’) I know action=’store_true’ makes it a flag. basically in the command line I will pass the arguments like => nameOfTheScript.py –goku …

Is it possible to pass command line arguments to a decorator in Django? Question: I have a decorator that is supposed to use a parameter that’s passed in from the commandline e.g @deco(name) def handle(self, *_args, **options): name = options["name"] def deco(name): // The name should come from commandline pass class Command(BaseCommand): def add_arguments(self, parser): …

Arguments in top level parser come before subparsers if it has subparsers Question: I have this MRE: import argparse parser = argparse.ArgumentParser(description=’Bundle a Python application’) parser.add_argument( ‘-o’, ‘–output’, metavar=’OUTPUT FILE’, dest=’file_name’, type=str, default=None) parser.add_argument( ‘–extensions’, ‘–ext’, action=’store_const’, metavar=’EXTENSIONS’, dest=’extensions’, const=True, default=False, help=’Whether to allow the importing of C extensions (not needed if C extensions are …

Minimum amount for action='append'? Question: I have an argparse argument that appends, and I want it to be called at least twice. (args.option would contain at least two lists) I know that one way would be to check it myself, but I would prefer a way to make argparse do it. import argparse parser = …

Parse arguments to get an argument value, or environment variable value, and raise exception if neither Question: I wish to use the argparse module to set the value of a server URL. As well as being set via an argument, the vale can also be in an environment variable, though the argument should always take …

Why does adding the 'type' field to Argparse change it's behavior? Question: I have been following the example outlined in this previous question. But the behavior changes when I specify a type and I don’t understand why? parser.add_argument(‘–bar’, nargs=’?’, default=None, const=True) args = parser.parse_args([‘–bar=False’]) #Prints False as a string print(args.bar) parser.add_argument(‘–bar’, nargs=’?’, default=None, const=True, type=bool) …

Argument for argparse always needed, I want to make it optional(without –) Question: I’ve done my research but still couldn’t find a way to be able to run a python with a random string as an argument and without any arguments at the same time.(without –) import argparse parser = argparse.ArgumentParser(description="Argument list") parser.add_argument(‘string’, type=str, help=’String …

Creating an –all argument Question: I am creating a python script that parses log files in XML-format into a SQLite database file. There are several different types of log files, and by default the script only processes the process-*.xml files in the given folder. Using argparser options the user can control which log files should …

python use argparse for passing optional arguments for plotting Question: I would like to pass optional arguments to a matplotlib script running from the command line. I have the following: import numpy as np import matplotlib.pyplot as plt import matplotlib matplotlib.use(‘Agg’) import pandas as pd import argparse parser = argparse.ArgumentParser(description="Plot x,y data in python") parser.add_argument(‘-xF’,"–x", …

Argument with the name async Question: So I am using argparse and have an argument called async. The following code works in Python 2 but not in Python 3.8 and newer import argparse parser = argparse.ArgumentParser() parser.add_argument("–async", action=’store_true’) ARG = parser.parse_args() if ARG.async: print("Async") Unfortunatelly async seems to be a new keyword and there is …