Do not allow multi-character separators for List[T] parsing.

fastapi · Apr 17, 2024 · cec52c9 · cec52c9
1 parent 7eb3fd2
commit cec52c9
Showing 1 changed file with 3 additions and 4 deletions.
diff --git a/typer/core.py b/typer/core.py
@@ -461,10 +461,9 @@ def __init__(
         self.multiple_separator = multiple_separator
 
         if self.multiple_separator is not None:
-            if self.multiple_separator.strip() == "":
-                raise UnsupportedMultipleSeparatorError(
-                    self.name, self.multiple_separator
-                )
+            self.multiple_separator = self.multiple_separator.strip()
+            if len(self.multiple_separator) != 1:
+                raise UnsupportedMultipleSeparatorError(self.name, multiple_separator)
 
             if not isinstance(self.type, list):
                 raise MultipleSeparatorForNonListTypeError(self.name)