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
What I need is: pro [-a xxx | [-b yyy -c zzz]] I tried this but it doesn't work: group= parser.add_argument_group('Model 2') group_ex = group.add_mutually_exclusive ...
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...
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 …
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): …
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 …
Python argparse command line flags without arguments
python command-line-arguments argparse asked Nov 24, 2011 at 14:57 interstar 27.5k 38 120 188
python - How do I parse an ISO 8601-formatted date and time? - Stack ...
Sep 24, 2008 · isoparse function from python-dateutil The python-dateutil package has dateutil.parser.isoparse to parse not only RFC 3339 datetime strings like the one in the question, but …