Both Python 2.7 and 3 support the same io.StringIO to handle unicode strings.
Python 2.6 requires special care, but since 7f2b55443a his support was removed. Stop caring, drop the ImportError check. Use the common form to use indistinctly Python 2.7 or 3. http://python-future.org/compatible_idioms.html#stringio This fixes running tests on the Fedora Docker image, which uses Python3 since 356dc290f: $ make docker-test-block@fedora [...] 045 [failed, exit status 1] - output mismatch (see 045.out.bad) --- /tmp/qemu-test/src/tests/qemu-iotests/045.out 2018-07-17 16:56:18.000000000 +0000 +++ /tmp/qemu-test/build/tests/qemu-iotests/045.out.bad 2018-07-17 17:19:22.448409007 +0000 @@ -1,5 +1,6 @@ -........... ----------------------------------------------------------------------- -Ran 11 tests - -OK +Traceback (most recent call last): + File "045", line 178, in <module> + iotests.main(supported_fmts=['raw']) + File "/tmp/qemu-test/src/tests/qemu-iotests/iotests.py", line 682, in main + import StringIO +ModuleNotFoundError: No module named 'StringIO' 132 [failed, exit status 1] - output mismatch (see 132.out.bad) 152 [failed, exit status 1] - output mismatch (see 152.out.bad) Failures: 045 132 152 Suggested-by: Eduardo Habkost <ehabk...@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <f4...@amsat.org> --- tests/docker/docker.py | 5 +---- tests/image-fuzzer/runner.py | 6 +++--- tests/qemu-iotests/iotests.py | 5 +++-- 3 files changed, 7 insertions(+), 9 deletions(-) diff --git a/tests/docker/docker.py b/tests/docker/docker.py index 69e7130db7..9d53b868db 100755 --- a/tests/docker/docker.py +++ b/tests/docker/docker.py @@ -26,10 +26,7 @@ import tempfile import re import signal from tarfile import TarFile, TarInfo -try: - from StringIO import StringIO -except ImportError: - from io import StringIO +from io import StringIO from shutil import copy, rmtree from pwd import getpwuid from datetime import datetime,timedelta diff --git a/tests/image-fuzzer/runner.py b/tests/image-fuzzer/runner.py index 95d84f38f3..4462d84f45 100755 --- a/tests/image-fuzzer/runner.py +++ b/tests/image-fuzzer/runner.py @@ -28,7 +28,7 @@ import shutil from itertools import count import time import getopt -import StringIO +from io import StringIO import resource try: @@ -183,7 +183,7 @@ class TestEnv(object): MAX_BACKING_FILE_SIZE) * (1 << 20) cmd = self.qemu_img + ['create', '-f', backing_file_fmt, backing_file_name, str(backing_file_size)] - temp_log = StringIO.StringIO() + temp_log = StringIO() retcode = run_app(temp_log, cmd) if retcode == 0: temp_log.close() @@ -240,7 +240,7 @@ class TestEnv(object): "Backing file: %s\n" \ % (self.seed, " ".join(current_cmd), self.current_dir, backing_file_name) - temp_log = StringIO.StringIO() + temp_log = StringIO() try: retcode = run_app(temp_log, current_cmd) except OSError as e: diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py index 4e67fbbe96..c95dd17190 100644 --- a/tests/qemu-iotests/iotests.py +++ b/tests/qemu-iotests/iotests.py @@ -679,13 +679,14 @@ def main(supported_fmts=[], supported_oses=['linux'], supported_cache_modes=[], # We need to filter out the time taken from the output so that qemu-iotest # can reliably diff the results against master output. - import StringIO + from io import StringIO + if debug: output = sys.stdout verbosity = 2 sys.argv.remove('-d') else: - output = StringIO.StringIO() + output = StringIO() logging.basicConfig(level=(logging.DEBUG if debug else logging.WARN)) -- 2.18.0