Do argparse parsing of config file first (#6119)

Author: DanielNoord

pylint/config/config_initialization.py

@@ -32,20 +32,20 @@ def _config_initialization(
     linter.set_current_module(config_file)
 
     # Read the configuration file
+    config_file_parser = config._ConfigurationFileParser(verbose_mode, linter)
     try:
-        # The parser is stored on linter.cfgfile_parser
-        linter.read_config_file(config_file=config_file_path, verbose=verbose_mode)
+        config_data = config_file_parser.parse_config_file(file_path=config_file_path)
     except OSError as ex:
         print(ex, file=sys.stderr)
         sys.exit(32)
-    config_parser = linter.cfgfile_parser
 
-    config_file_parser = config._ConfigurationFileParser(verbose_mode, linter)
     try:
-        config_data = config_file_parser.parse_config_file(file_path=config_file_path)
+        # The parser is stored on linter.cfgfile_parser
+        linter.read_config_file(config_file=config_file_path, verbose=verbose_mode)
     except OSError as ex:
         print(ex, file=sys.stderr)
         sys.exit(32)
+    config_parser = linter.cfgfile_parser
 
     # Run init hook, if present, before loading plugins
     if config_parser.has_option("MASTER", "init-hook"):