[libvirt] [PATCH 2/3] example: Redirect --help output to stdout/stderr
When --help is requested, print usage() to stdout.
When an illegal option is passed, print usage to stderr.
Signed-off-by: Philipp Hahn <hahn(a)univention.de>
---
examples/domain-events/events-python/event-test.py | 8 ++++----
1 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/examples/domain-events/events-python/event-test.py
b/examples/domain-events/events-python/event-test.py
index 9018366..5272e56 100644
--- a/examples/domain-events/events-python/event-test.py
+++ b/examples/domain-events/events-python/event-test.py
@@ -469,9 +469,9 @@ def myDomainEventIOErrorCallback(conn, dom, srcpath, devalias, action,
opaque):
def myDomainEventGraphicsCallback(conn, dom, phase, localAddr, remoteAddr, authScheme,
subject, opaque):
print "myDomainEventGraphicsCallback: Domain %s(%s) %d %s" % (dom.name(),
dom.ID(), phase, authScheme)
-def usage():
- print "usage: "+os.path.basename(sys.argv[0])+" [uri]"
- print " uri will default to qemu:///system"
+def usage(out=sys.stderr):
+ print >>out, "usage: "+os.path.basename(sys.argv[0])+"
[uri]"
+ print >>out, " uri will default to qemu:///system"
def main():
try:
@@ -483,7 +483,7 @@ def main():
sys.exit(2)
for o, a in opts:
if o in ("-h", "--help"):
- usage()
+ usage(sys.stdout)
sys.exit()
if len(args) >= 1:
--
1.7.1