1 files changed, 30 insertions, 0 deletions
diff --git a/pre_commit_hooks/check_toml.py b/pre_commit_hooks/check_toml.py
new file mode 100644
index 0000000..0407371
--- /dev/null
+++ b/pre_commit_hooks/check_toml.py
@@ -0,0 +1,30 @@
+from __future__ import annotations
+
+import argparse
+import sys
+from typing import Sequence
+
+if sys.version_info >= (3, 11):  # pragma: >=3.11 cover
+    import tomllib
+else:  # pragma: <3.11 cover
+    import tomli as tomllib
+
+
+def main(argv: Sequence[str] | None = None) -> int:
+    parser = argparse.ArgumentParser()
+    parser.add_argument('filenames', nargs='*', help='Filenames to check.')
+    args = parser.parse_args(argv)
+
+    retval = 0
+    for filename in args.filenames:
+        try:
+            with open(filename, mode='rb') as fp:
+                tomllib.load(fp)
+        except tomllib.TOMLDecodeError as exc:
+            print(f'{filename}: {exc}')
+            retval = 1
+    return retval
+
+
+if __name__ == '__main__':
+    raise SystemExit(main())