New submission from Chris Bruner:
When reading options from a file, argparse should read all <nargs> values from
each line. Instead, it complains of there not being enough options.
python file:
#!/usr/bin/env python
import argparse
p = argparse.ArgumentParser(description='Reproduce argparse nargs file bug',
fromfile_prefix_chars='@')
p.add_argument('-t', '--triple', metavar='N', nargs=3)
args = p.parse_args(['@input.opts'])
print args
input.opts:
--triple 1 2 3
-t 2 2 32
Output:
bernoulli:myclu cwbrune$ argparse_nargs_file_bug.py
usage: argparse_nargs_file_bug.py [-h] [-t N N N]
argparse_nargs_file_bug.py: error: argument -t/--triple: expected 3 argument(s)
----------
files: argparse_nargs_file_bug.py
messages: 223753
nosy: Chris.Bruner
priority: normal
severity: normal
status: open
title: argparse: read nargs > 1 options from file doesn't work
type: behavior
versions: Python 2.7
Added file: http://bugs.python.org/file36049/argparse_nargs_file_bug.py
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue22050>
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