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authorPaul Eggleton <paul.eggleton@linux.intel.com>2015-12-22 17:02:54 +1300
committerRichard Purdie <richard.purdie@linuxfoundation.org>2015-12-28 09:25:12 +0000
commit8e0a84c90175cc2fedff0272abda073ee270b876 (patch)
treecc5e7a7778ffe12e0376cb7c06f1c1d69b79dfe9 /meta/recipes-graphics/xorg-lib
parent548d4332e827cc9ae13fd57517a42fa0f139880f (diff)
downloadpoky-8e0a84c90175cc2fedff0272abda073ee270b876.tar.gz
scripts: print usage in argparse-using scripts when a command-line error occurs
For scripts that use Python's standard argparse module to parse command-line arguments, create a subclass which will show the usage the usage information when a command-line parsing error occurs. The most common case would be when the script is run with no arguments; at least then the user immediately gets to see what arguments they might need to pass instead of just an error message. (From OE-Core rev: d62fe7c9bc2df6a4464440a3cae0539074bf99aa) Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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