2

arcaea_apk_assets/parsers/_shared.py

@@ -16,11 +16,15 @@ You should have received a copy of the GNU General Public License along with
 this program. If not, see <https://www.gnu.org/licenses/>.
 """
 
+from __future__ import annotations
+
 import re
-from typing import Optional
+
+from typeguard import typechecked
 
 
-def is_string_blank(string: str):
+@typechecked
+def is_string_blank(string: str) -> bool:
     """
     Check if a string equals to a blank string after stripped.
 
@@ -37,14 +41,11 @@ def is_string_blank(string: str):
     False
     """
 
-    if not isinstance(string, str):
-        msg = "A `str` object is expected"
-        raise TypeError(msg)
-
     return string.strip() == ""
 
 
-def blank_str_to_none(string: str):
+@typechecked
+def blank_str_to_none(string: str | None) -> str | None:
     """
     Convert a blank string (see :func:`~is_string_blank`) to None, otherwise return the
     original string.
@@ -68,14 +69,11 @@ def blank_str_to_none(string: str):
     if string is None:
         return None
 
-    if not isinstance(string, str):
-        msg = "A `str` object is expected"
-        raise TypeError(msg)
-
     return None if is_string_blank(string) else string
 
 
-def replace_single_newline(text: Optional[str]):
+@typechecked
+def replace_single_newline(text: str | None) -> str | None:
     if text is None:
         return None