keep PYTHONPATH when requested

jepler · jepler · commit 71eea30639ec · 2024-09-23T21:02:08.000-05:00
This turns out to be needed by the testsuite of jepler_udecimal, which
needs to add the `jepler_udecimal` directory both to PYTHONPATH and
MICROPYPATH.
diff --git a/tests/run-tests.py b/tests/run-tests.py
@@ -829,6 +829,10 @@ def run_one_test(test_file):
                 "PATH": os.environ["PATH"],
                 "LANG": "en_US.UTF-8",
             }
+            # CIRCUITPY-CHANGE: --keep-path applies to PYTHONPATH as well
+            if args.keep_path and os.getenv("PYTHONPATH"):
+                e["PYTHONPATH"] += ":" + os.getenv("PYTHONPATH")
+
             # run CPython to work out expected output
             try:
                 output_expected = subprocess.check_output(
