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scripts: print usage in argparse-using scripts when a command-line error occurs

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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>
This commit is contained in:
Paul Eggleton
2015-12-22 17:02:54 +13:00
committed by Richard Purdie
parent 548d4332e8
commit 8e0a84c901
10 changed files with 38 additions and 15 deletions
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6
scripts/send-error-report
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@@ -15,6 +15,10 @@ import subprocess
import argparse
import logging
scripts_lib_path = os.path.join(os.path.dirname(os.path.realpath(__file__)), 'lib')
sys.path.insert(0, scripts_lib_path)
import argparse_oe
version = "0.3"
log = logging.getLogger("send-error-report")
@@ -143,7 +147,7 @@ def send_data(data, args):
if __name__ == '__main__':
arg_parse = argparse.ArgumentParser(description="This scripts will send an error report to your specified error-report-web server.")
arg_parse = argparse_oe.ArgumentParser(description="This scripts will send an error report to your specified error-report-web server.")
arg_parse.add_argument("error_file",
help="Generated error report file location",