From 5c244f2680cbe627ce3769ae4665f7dd133cf062 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Maximilian=20Ke=C3=9Fler?= <git@maximilian-kessler.de>
Date: Wed, 9 Feb 2022 15:39:36 +0100
Subject: [PATCH] better error checking

---
 PyTeX/format/pytex_formatter.py | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/PyTeX/format/pytex_formatter.py b/PyTeX/format/pytex_formatter.py
index cc62aad..a352809 100644
--- a/PyTeX/format/pytex_formatter.py
+++ b/PyTeX/format/pytex_formatter.py
@@ -169,10 +169,11 @@ class PyTeXFormatter(FormatterIF, ABC):
 
     @property
     def raw_name(self) -> str:
-        try:
-            return self._input_file.name.split('.', maxsplit=1)[0]
-        except:
-            raise NotImplementedError
+        parts = self._input_file.name.split('.', maxsplit=1)
+        if not len(parts) == 2:
+            raise NotImplementedError  # invalid file name
+        else:
+            return parts[0]
 
     @property
     def name(self):