validate: Place regex flags at the start of the regex

In Python 3.11 it is an error to have regex flags in the middle
of an expression, so make sure they appear at the start.

Fixes https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/1630

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3643>

diff --git a/subprojects/gst-devtools/validate/launcher/apps/gstvalidate.py b/subprojects/gst-devtools/validate/launcher/apps/gstvalidate.py
index 46188f8..1aef8e6 100644 (file)
--- a/subprojects/gst-devtools/validate/launcher/apps/gstvalidate.py
+++ b/subprojects/gst-devtools/validate/launcher/apps/gstvalidate.py
@@ -1333,8 +1333,8 @@ not been tested and explicitly activated if you set use --wanted-tests ALL""")
              "matroskademux.gst_matroska_demux_handle_seek_push: Seek end-time not supported in streaming mode"),
 
             # MPEG TS known issues:
-            ('(?i)*playback.reverse_playback.*(?:_|.)(?:|m)ts$',
-             "https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/issues/97"),
+            ('*.playback.reverse_playback.*(?:_|.)(?:|m)ts$',
+             "https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/issues/97", '(?i)'),
 
             # Fragmented MP4 disabled tests:
             ('*.playback..*seek.*.fragmented_nonseekable_sink_mp4',

diff --git a/subprojects/gst-devtools/validate/launcher/baseclasses.py b/subprojects/gst-devtools/validate/launcher/baseclasses.py
index 65a3791..0368c3f 100644 (file)
--- a/subprojects/gst-devtools/validate/launcher/baseclasses.py
+++ b/subprojects/gst-devtools/validate/launcher/baseclasses.py
@@ -1565,9 +1565,13 @@ class TestsManager(Loggable):
                 self.blacklisted_tests_patterns.append(re.compile(pattern))
 
     def set_default_blacklist(self, default_blacklist):
-        for test_regex, reason in default_blacklist:
+        for test_regex, reason, *re_flags in default_blacklist:
+            re_flags = re_flags[0] if re_flags else None
+
             if not test_regex.startswith(self.loading_testsuite + '.'):
                 test_regex = self.loading_testsuite + '.' + test_regex
+            if re_flags is not None:
+                test_regex = re_flags + test_regex
             self.blacklisted_tests.append((test_regex, reason))
             self._add_blacklist(test_regex)