image-fuzzer: Use errors parameter of subprocess.Popen()
Instead of manually encoding stderr and stdout output, use
`errors` parameter of subprocess.Popen(). This will make
process.communicate() return unicode strings instead of bytes
objects.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20191016192430.25098-11-ehabkost@redhat.com
Message-Id: <20191016192430.25098-11-ehabkost@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
diff --git a/tests/image-fuzzer/runner.py b/tests/image-fuzzer/runner.py
index 0793234..4ba5c79 100755
--- a/tests/image-fuzzer/runner.py
+++ b/tests/image-fuzzer/runner.py
@@ -79,16 +79,13 @@
devnull = open('/dev/null', 'r+')
process = subprocess.Popen(q_args, stdin=devnull,
stdout=subprocess.PIPE,
- stderr=subprocess.PIPE)
+ stderr=subprocess.PIPE,
+ errors='replace')
try:
out, err = process.communicate()
signal.alarm(0)
- # fd is a text file, so we need to decode the process output before
- # writing to it.
- # We could be simply using the `errors` parameter of subprocess.Popen(),
- # but this will be possible only after migrating to Python 3
- fd.write(out.decode(errors='replace'))
- fd.write(err.decode(errors='replace'))
+ fd.write(out)
+ fd.write(err)
fd.flush()
return process.returncode