diff -r 000000000000 -r 4f2f89ce4247 WebKitTools/Scripts/webkitpy/style/checkers/python.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebKitTools/Scripts/webkitpy/style/checkers/python.py	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,56 @@
+# Copyright (C) 2010 Chris Jerdonek (cjerdonek@webkit.org)
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1.  Redistributions of source code must retain the above copyright
+#     notice, this list of conditions and the following disclaimer.
+# 2.  Redistributions in binary form must reproduce the above copyright
+#     notice, this list of conditions and the following disclaimer in the
+#     documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR
+# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+"""Supports checking WebKit style in Python files."""
+
+from ...style_references import pep8
+
+
+class PythonChecker(object):
+
+    """Processes text lines for checking style."""
+
+    def __init__(self, file_path, handle_style_error):
+        self._file_path = file_path
+        self._handle_style_error = handle_style_error
+
+    def check(self, lines):
+        # Initialize pep8.options, which is necessary for
+        # Checker.check_all() to execute.
+        pep8.process_options(arglist=[self._file_path])
+
+        checker = pep8.Checker(self._file_path)
+
+        def _pep8_handle_error(line_number, offset, text, check):
+            # FIXME: Incorporate the character offset into the error output.
+            #        This will require updating the error handler __call__
+            #        signature to include an optional "offset" parameter.
+            pep8_code = text[:4]
+            pep8_message = text[5:]
+
+            category = "pep8/" + pep8_code
+
+            self._handle_style_error(line_number, category, 5, pep8_message)
+
+        checker.report_error = _pep8_handle_error
+
+        errors = checker.check_all()