Isolate the WPT lint and make use of the LintRunner

python/servo/lints/wpt_lint.py

@@ -0,0 +1,37 @@
+# Copyright 2013 The Servo Project Developers. See the COPYRIGHT
+# file at the top-level directory of this distribution.
+#
+# Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+# http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+# <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+# option. This file may not be copied, modified, or distributed
+# except according to those terms.
+
+import os
+import site
+
+from servo_tidy.tidy import LintRunner, filter_file
+
+WPT_PATH = os.path.join(".", "tests", "wpt")
+SUITES = ["web-platform-tests", os.path.join("mozilla", "tests")]
+
+
+class Lint(LintRunner):
+    def _get_wpt_files(self, suite):
+        working_dir = os.path.join(WPT_PATH, suite, '')
+        file_iter = self.get_files(working_dir, exclude_dirs=[])
+        print '\nRunning the WPT lint on %s...' % working_dir
+        for f in file_iter:
+            if filter_file(f):
+                yield f[len(working_dir):]
+
+    def run(self):
+        wpt_working_dir = os.path.abspath(os.path.join(WPT_PATH, "web-platform-tests"))
+        for suite in SUITES:
+            files = self._get_wpt_files(suite)
+            site.addsitedir(wpt_working_dir)
+            from tools.lint import lint
+            file_dir = os.path.abspath(os.path.join(WPT_PATH, suite))
+            returncode = lint.lint(file_dir, files, output_json=False)
+            if returncode:
+                yield ("WPT Lint Tool", "", "lint error(s) in Web Platform Tests: exit status %s" % returncode)