[oe-commits] [openembedded-core] 21/31: scripts/lib/argparse_oe: show self.prog in the error message

[git at git.openembedded.org]

rpurdie pushed a commit to branch master-next
in repository openembedded-core.

commit 9fbf377badfc0f429e642e755a0d1016e29c3017
Author: Christopher Larson <chris_larson at mentor.com>
AuthorDate: Wed Apr 27 16:23:58 2016 -0700

    scripts/lib/argparse_oe: show self.prog in the error message
    
    This aligns our subclassed error() with that in the original class, using
    _print_message and self.prog. Also add a docstring based on the original.
    
    Signed-off-by: Christopher Larson <chris_larson at mentor.com>
    Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
 scripts/lib/argparse_oe.py | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/scripts/lib/argparse_oe.py b/scripts/lib/argparse_oe.py
index bf3ebad..95b42e7 100644
--- a/scripts/lib/argparse_oe.py
+++ b/scripts/lib/argparse_oe.py
@@ -16,8 +16,13 @@ class ArgumentParser(argparse.ArgumentParser):
         super(ArgumentParser, self).__init__(*args, **kwargs)
 
     def error(self, message):
-        sys.stderr.write('ERROR: %s\n' % message)
-        self.print_help()
+        """error(message: string)
+
+        Prints a help message incorporating the message to stderr and
+        exits.
+        """
+        self._print_message('%s: error: %s\n' % (self.prog, message), sys.stderr)
+        self.print_help(sys.stderr)
         sys.exit(2)
 
     def error_subcommand(self, message, subcommand):

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