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-rw-r--r--pre_commit_hooks/check_toml.py30
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())