Handle error condition early. Reduces complexity by 1.

jaraco · Mar 28, 2024 · f52b395 · f52b395
1 parent 63ddbfe
commit f52b395
Showing 1 changed file with 20 additions and 19 deletions.
diff --git a/Lib/configparser.py b/Lib/configparser.py
@@ -1118,30 +1118,31 @@ def _handle_option(self, st, line, fpname):
         st.indent_level = st.cur_indent_level
 
         mo = self._optcre.match(line.clean)
-        if mo:
-            st.optname, vi, optval = mo.group('option', 'vi', 'value')
-            if not st.optname:
-                st.errors.append(ParsingError(fpname, st.lineno, line))
-            st.optname = self.optionxform(st.optname.rstrip())
-            if (self._strict and
-                (st.sectname, st.optname) in st.elements_added):
-                raise DuplicateOptionError(st.sectname, st.optname,
-                                        fpname, st.lineno)
-            st.elements_added.add((st.sectname, st.optname))
-            # This check is fine because the OPTCRE cannot
-            # match if it would set optval to None
-            if optval is not None:
-                optval = optval.strip()
-                st.cursect[st.optname] = [optval]
-            else:
-                # valueless option handling
-                st.cursect[st.optname] = None
-        else:
+        if not mo:
             # a non-fatal parsing error occurred. set up the
             # exception but keep going. the exception will be
             # raised at the end of the file and will contain a
             # list of all bogus lines
             st.errors.append(ParsingError(fpname, st.lineno, line))
+            return
+
+        st.optname, vi, optval = mo.group('option', 'vi', 'value')
+        if not st.optname:
+            st.errors.append(ParsingError(fpname, st.lineno, line))
+        st.optname = self.optionxform(st.optname.rstrip())
+        if (self._strict and
+            (st.sectname, st.optname) in st.elements_added):
+            raise DuplicateOptionError(st.sectname, st.optname,
+                                    fpname, st.lineno)
+        st.elements_added.add((st.sectname, st.optname))
+        # This check is fine because the OPTCRE cannot
+        # match if it would set optval to None
+        if optval is not None:
+            optval = optval.strip()
+            st.cursect[st.optname] = [optval]
+        else:
+            # valueless option handling
+            st.cursect[st.optname] = None
 
     def _join_multiline_values(self):
         defaults = self.default_section, self._defaults