Add basic 1to2 and 2to1 filters.

Makefile.am

@@ -47,6 +47,8 @@ ACLOCAL_AMFLAGS = -I m4
 include_subunitdir = $(includedir)/subunit
 
 dist_bin_SCRIPTS = \
+	filters/subunit-1to2 \
+	filters/subunit-2to1 \
 	filters/subunit-filter \
 	filters/subunit-ls \
 	filters/subunit-notify \

filters/subunit-1to2

@@ -0,0 +1,42 @@
+#!/usr/bin/env python
+#  subunit: extensions to python unittest to get test results from subprocesses.
+#  Copyright (C) 2013  Robert Collins <robertc@robertcollins.net>
+#
+#  Licensed under either the Apache License, Version 2.0 or the BSD 3-clause
+#  license at the users choice. A copy of both licenses are available in the
+#  project source as Apache-2.0 and BSD. You may not use this file except in
+#  compliance with one of these two licences.
+#  
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under these licenses is distributed on an "AS IS" BASIS, WITHOUT
+#  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+#  license you chose for the specific language governing permissions and
+#  limitations under that license.
+#
+
+"""Convert a version 1 subunit stream to version 2 stream."""
+
+from optparse import OptionParser
+import sys
+
+from testtools import ExtendedToStreamDecorator
+
+from subunit import StreamResultToBytes
+from subunit.filters import run_tests_from_stream
+
+
+def make_options(description):
+    parser = OptionParser(description=__doc__)
+    return parser
+
+
+def main():
+    parser = make_options(__doc__)
+    (options, args) = parser.parse_args()
+    run_tests_from_stream(sys.stdin,
+        ExtendedToStreamDecorator(StreamResultToBytes(sys.stdout)))
+    sys.exit(0)
+
+
+if __name__ == '__main__':
+    main()

filters/subunit-2to1

@@ -0,0 +1,46 @@
+#!/usr/bin/env python
+#  subunit: extensions to python unittest to get test results from subprocesses.
+#  Copyright (C) 2013  Robert Collins <robertc@robertcollins.net>
+#
+#  Licensed under either the Apache License, Version 2.0 or the BSD 3-clause
+#  license at the users choice. A copy of both licenses are available in the
+#  project source as Apache-2.0 and BSD. You may not use this file except in
+#  compliance with one of these two licences.
+#  
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under these licenses is distributed on an "AS IS" BASIS, WITHOUT
+#  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+#  license you chose for the specific language governing permissions and
+#  limitations under that license.
+#
+
+"""Convert a version 2 subunit stream to a version 1 stream."""
+
+from optparse import OptionParser
+import sys
+
+from testtools import StreamToExtendedDecorator
+
+from subunit import ByteStreamToStreamResult, TestProtocolClient
+from subunit.filters import run_tests_from_stream
+
+
+def make_options(description):
+    parser = OptionParser(description=__doc__)
+    return parser
+
+
+def main():
+    parser = make_options(__doc__)
+    (options, args) = parser.parse_args()
+    case = ByteStreamToStreamResult(sys.stdin)
+    result = StreamToExtendedDecorator(TestProtocolClient(sys.stdout))
+    # What about stdout chunks?
+    result.startTestRun()
+    case.run(result)
+    result.stopTestRun()
+    sys.exit(0)
+
+
+if __name__ == '__main__':
+    main()

setup.py

@@ -49,6 +49,8 @@ setup(
     packages=['subunit', 'subunit.tests'],
     package_dir={'subunit': 'python/subunit'},
     scripts = [
+        'filters/subunit-1to2',
+        'filters/subunit-2to1',
         'filters/subunit2gtk',
         'filters/subunit2junitxml',
         'filters/subunit2pyunit',