Implement "mode" for SubTextIO

cfe-lab · Aug 6, 2024 · 7168919 · 7168919
1 parent df64cb7
commit 7168919
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/multicsv/subtextio.py b/src/multicsv/subtextio.py
@@ -112,6 +112,10 @@ def __init__(self, base_io: TextIO, start: int, end: int):
         self.length = len(self._buffer)
         self._closed = False
 
+    @property
+    def mode(self) -> str:
+        return self.base_io.mode
+
     def read(self, size: int = -1) -> str:
         if self._closed:
             raise ValueError("I/O operation on closed file.")