Only use single startswith calls for detecting different BOMs

chardet · Apr 11, 2017 · 663c57a · 663c57a
1 parent 7c8239b
commit 663c57a
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/chardet/universaldetector.py b/chardet/universaldetector.py
@@ -138,7 +138,8 @@ def feed(self, byte_str):
                 self.result = {'encoding': "UTF-8-SIG",
                                'confidence': 1.0,
                                'language': ''}
-            elif byte_str.startswith(codecs.BOM_UTF32_LE) or byte_str.startswith(codecs.BOM_UTF32_BE):
+            elif byte_str.startswith((codecs.BOM_UTF32_LE,
+                                      codecs.BOM_UTF32_BE)):
                 # FF FE 00 00  UTF-32, little-endian BOM
                 # 00 00 FE FF  UTF-32, big-endian BOM
                 self.result = {'encoding': "UTF-32",
@@ -154,7 +155,7 @@ def feed(self, byte_str):
                 self.result = {'encoding': "X-ISO-10646-UCS-4-2143",
                                'confidence': 1.0,
                                'language': ''}
-            elif byte_str.startswith(codecs.BOM_LE) or byte_str.startswith(codecs.BOM_BE):
+            elif byte_str.startswith((codecs.BOM_LE, codecs.BOM_BE)):
                 # FF FE  UTF-16, little endian BOM
                 # FE FF  UTF-16, big endian BOM
                 self.result = {'encoding': "UTF-16",