What's the best way to parse command line arguments?
What's the easiest, tersest, and most flexible method or library for parsing Python command line arguments?
python - How to use argparse subparsers correctly? - Stack Overflow
a_parser.add_argument("something", choices=['a1', 'a2']) Since -v is defined for the main parser, it must be specified before the argument that specifies which subparser is used for the remaining arguments.
python - argparse mutual exclusive group - Stack Overflow
parser.add_argument("-a", "--aggregation", help="aggregation") I am using here options given to a command line wrapper for querying a mongodb. The collection instance can either call the method …
How can I parse (read) and use JSON in Python? - Stack Overflow
My Python program receives JSON data, and I need to get bits of information out of it. How can I parse the data and use the result? I think I need to use json.loads for this task, but I can't under...
How to handle variable number of arguments (nargs='*')
The relevant Python bug is Issue 15112. argparse: nargs='*' positional argument doesn't accept any items if preceded by an option and another positional When argparse parses ['1', '2', '--spam', '8', '8', …
How to parse multiple nested sub-commands using python argparse?
import argparse ## This function takes the 'extra' attribute from global namespace and ## re-parses it to create separate namespaces for all other chained commands. def parse_extra (parser, namespace): …
python - How can I parse XML and get instances of a particular node ...
Python has an interface to the expat XML parser. xml.parsers.expat It's a non-validating parser, so bad XML will not be caught. But if you know your file is correct, then this is pretty good, and you'll …
Which tool to use to parse programming languages in Python?
Apr 12, 2017 · Which Python tool can you recommend to parse programming languages? It should allow for a readable representation of the language grammar inside the source. It should also be able to …
How can I pass a list as a command-line argument with argparse?
I am trying to pass a list as an argument to a command line program. Is there an argparse option to pass a list as option? parser.add_argument('-l', '--list', type=list, acti...
python - Argparse optional positional arguments? - Stack Overflow
$ python myfile.py Installing to /users/myname/myfolder $ python myfile.py /usr/bin/ Installing to /usr/bin Longer answer Since you also mention the flag-style True/False options -h and -v in your question, …