Allow to change the 'checker_class' for the StyleGuide.

2 files changed, 5 insertions, 1 deletions

diff --git a/CHANGES.txt b/CHANGES.txt
index ef70009..bc487dd 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -13,6 +13,8 @@ Changelog
 
 * Initiate a graceful shutdown on ``Control+C``.
 
+* Allow to change the ``checker_class`` for the ``StyleGuide``.
+
 
 1.4.2 (2013-02-10)
 ------------------
diff --git a/pep8.py b/pep8.py
index 039c714..e6729e2 100755
--- a/pep8.py
+++ b/pep8.py
@@ -1561,6 +1561,7 @@ class StyleGuide(object):
 
     def __init__(self, *args, **kwargs):
         # build options from the command line
+        self.checker_class = kwargs.pop('checker_class', Checker)
         parse_argv = kwargs.pop('parse_argv', False)
         config_file = kwargs.pop('config_file', None)
         parser = kwargs.pop('parser', None)
@@ -1618,7 +1619,8 @@ class StyleGuide(object):
         """Run all checks on a Python source file."""
         if self.options.verbose:
             print('checking %s' % filename)
-        fchecker = Checker(filename, lines=lines, options=self.options)
+        fchecker = self.checker_class(
+            filename, lines=lines, options=self.options)
         return fchecker.check_all(expected=expected, line_offset=line_offset)
 
     def input_dir(self, dirname):