1 files changed, 14 insertions, 0 deletions
diff --git a/testing/mozbase/mozfile/mozfile/mozfile.py b/testing/mozbase/mozfile/mozfile/mozfile.py
index 1f4ffa74af..20d56fe4b2 100644
--- a/testing/mozbase/mozfile/mozfile/mozfile.py
+++ b/testing/mozbase/mozfile/mozfile/mozfile.py
@@ -22,6 +22,7 @@ __all__ = [
     "extract",
     "is_url",
     "load",
+    "load_source",
     "copy_contents",
     "match",
     "move",
@@ -629,6 +630,19 @@ def load(resource):
     return urllib.request.urlopen(resource)
 
 
+# see https://docs.python.org/3/whatsnew/3.12.html#imp
+def load_source(modname, filename):
+    import importlib.machinery
+    import importlib.util
+
+    loader = importlib.machinery.SourceFileLoader(modname, filename)
+    spec = importlib.util.spec_from_file_location(modname, filename, loader=loader)
+    module = importlib.util.module_from_spec(spec)
+    sys.modules[module.__name__] = module
+    loader.exec_module(module)
+    return module
+
+
 # We can't depend on mozpack.path here, so copy the 'match' function over.
 
 re_cache = {}