Python: Copy Python extractor to codeql repo

python/extractor/cli-integration-test/stdout-encoding/repo_dir/ನನ್ನ_ಸ್ಕ್ರಿಪ್ಟ್.py

@@ -0,0 +1 @@
+print(42)

python/extractor/cli-integration-test/stdout-encoding/test.sh

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+#!/bin/bash
+
+set -Eeuo pipefail # see https://vaneyckt.io/posts/safer_bash_scripts_with_set_euxo_pipefail/
+
+set -x
+
+CODEQL=${CODEQL:-codeql}
+
+SCRIPTDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
+cd "$SCRIPTDIR"
+
+rm -rf db
+
+# even with default encoding that doesn't support utf-8 (like on windows) we want to
+# ensure that we can properly log that we've extracted files whose filenames contain
+# utf-8 chars
+export PYTHONIOENCODING="ascii"
+$CODEQL database create db --language python --source-root repo_dir/