Intermediate changes

commit_hash:5e2a2254279501ad2bde571fbd53c1a27a00e898

1 files changed, 28 insertions, 0 deletions

diff --git a/contrib/python/fonttools/fontTools/diff/utils.py b/contrib/python/fonttools/fontTools/diff/utils.py
new file mode 100644
index 00000000000..aed97063636
--- /dev/null
+++ b/contrib/python/fonttools/fontTools/diff/utils.py
@@ -0,0 +1,28 @@
+import os
+from datetime import datetime, timezone
+from typing import List, Optional, Text, Union
+
+
+def file_exists(path: Union[bytes, str, "os.PathLike[Text]"]) -> bool:
+    """Validates file path as existing local file"""
+    return os.path.isfile(path)
+
+
+def get_file_modtime(path: Union[bytes, str, "os.PathLike[Text]"]) -> Text:
+    """Returns ISO formatted file modification time in local system timezone"""
+    return (
+        datetime.fromtimestamp(os.stat(path).st_mtime, timezone.utc)
+        .astimezone()
+        .isoformat()
+    )
+
+
+def get_tables_argument_list(table_list: Optional[List[Text]]) -> Optional[List[Text]]:
+    """Converts a list of OpenType table string into a Python list or
+    return None if the table_list was not defined (i.e., it was not included
+    in an option on the command line). Tables that are composed of three
+    characters must be right padded with a space."""
+    if table_list is None:
+        return None
+    else:
+        return [table.ljust(4) for table in table_list]