argparse Archives - Tutorial Guruji

argparse argument may be str or int and the simplest way to handle it

Python April 1, 2021

I didn’t know quite how to word the title but I’m trying to enter two variables with argparse. The first argument may be a string or an integer and the second argument will always be an integer. The …

Pass data as a string to argparse in Python: unrecognized argument

Python March 16, 2021

I am trying to parse date as an argument in Python with argparse: def parsing(parser): parser.add_argument(“–b”, type=str) parser.add_argument(“–e”, type=str) return …

Best way to handle if-else with argparse?

Python March 15, 2021

Say we have a lot of options for argument parsing if __name__ == “__main__”: parser = argparse.ArgumentParser(description=’Download files from Canvas.’) parser.add_argument( …

AttributeError: ‘_io.TextIOWrapper’ object has no attribute ‘rpartition’

Python March 1, 2021

I get this error: AttributeError: ‘_io.TextIOWrapper’ object has no attribute ‘rpartition’ everytime I start my script. I don’t know why I get this error could someone please help me out with this …

Calling a function that uses argparse

Python July 21, 2019

how do I call a function that uses argparse through another function. def func(): import argparse parser = argparse.ArgumentParser() parser.add_argument(‘env_name’, type=str) parser….

How can I test whether my code is throwing the appropriate argparse exceptions?

Python November 30, 2016

From this great answer I learned to put argument parsing into its own function to simplify unit testing. From this answer I learned that sometimes you need to throw your own parser errors to get …

Require either of two arguments using argparse

Python June 22, 2012

Given: import argparse pa = argparse.ArgumentParser() pa.add_argument(‘–foo’) pa.add_argument(‘–bar’) print pa.parse_args(‘–foo 1’.split()) how do I make at least one of “foo, bar” mandatory: -…