1 files changed, 37 insertions, 0 deletions
diff --git a/Tools/scripts/import_diagnostics.py b/Tools/scripts/import_diagnostics.py
new file mode 100755
index 0000000000..c907221d04
--- /dev/null
+++ b/Tools/scripts/import_diagnostics.py
@@ -0,0 +1,37 @@
+#!/usr/bin/env python3
+"""Miscellaneous diagnostics for the import system"""
+
+import sys
+import argparse
+from pprint import pprint
+
+def _dump_state(args):
+    print(sys.version)
+    for name in args.attributes:
+        print("sys.{}:".format(name))
+        pprint(getattr(sys, name))
+
+def _add_dump_args(cmd):
+    cmd.add_argument("attributes", metavar="ATTR", nargs="+",
+                     help="sys module attribute to display")
+
+COMMANDS = (
+  ("dump", "Dump import state", _dump_state, _add_dump_args),
+)
+
+def _make_parser():
+    parser = argparse.ArgumentParser()
+    sub = parser.add_subparsers(title="Commands")
+    for name, description, implementation, add_args in COMMANDS:
+        cmd = sub.add_parser(name, help=description)
+        cmd.set_defaults(command=implementation)
+        add_args(cmd)
+    return parser
+
+def main(args):
+    parser = _make_parser()
+    args = parser.parse_args(args)
+    return args.command(args)
+
+if __name__ == "__main__":
+    sys.exit(main(sys.argv[1:]))