How Can I Pass A List As A Command line Argument With Argparse
SHORT ANSWER Use the nargs option or the append setting of the action option depending on how you want the user interface to behave nargs parser add argument l list nargs help lt Required gt Set flag required True Use like python arg py l 1234 2345 3456 4567 nargs takes 1 or more arguments
Python Argparse Default Value For Nargs Stack Overflow, argparse Default value for nargs Ask ion Asked 9 years 8 months ago Modified 1 year 3 months ago Viewed 5k times 7 I tried to use this statement
Argparse How To Allow Empty List With Nargs quot quot And Choices
1 Any object that support the in operator can be passed to choices It is odd though that you need to use an empty list rather than an empty string or None to accomplish an empty choice James Aug 31 2019 at 15 47 Agreed None and were the first things I tried when I got the error
Argparse Positional Nargs And Default Stack Overflow, 1 While using argparse with positionals and default provided nargs works as expected by setting the positional to the default if no positionals are provided But nargs does not do this
Python Argparse Type Conversion Of A List Of Default Arguments
Python Argparse Type Conversion Of A List Of Default Arguments, 1 Answer Sorted by 2 As you note a string default is passed through the type function while all other defaults are simply assigned to the attribute unchanged I think the solution is to build the exact file list that you want to
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Is There A Way To Use Python Argparse With Nargs Choices AND Default
Is There A Way To Use Python Argparse With Nargs Choices AND Default You can see that I want my default to be a list of two values from the set of choices parser argparse ArgumentParser parser add argument tests nargs choices a b c d default a d args parser parse args print
Python Argparse Comma Separated List DevRescue
16 I want use argparse to specify a option that take three integer values like specifying a range start end step parser add argument range nargs 3 metavar start end step type int help quot specify a range However it is not clear to me how to provide default values to all three values Python Argparse Set Default To Multiple Args Stack Overflow. List information about the FILEs the current directory by default Sort entries alphabetically if none of cftuvSUX nor sort is specified A few concepts we can learn from the four commands The ls command is useful when run without any options at all It defaults to displaying the contents of the current directory There s a parameter action for argparse add argument From the docs ArgumentParser objects associate command line arguments with actions These actions can do just about anything with the command line arguments associated with them though most actions simply add an attribute to the object returned by parse args
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