Intial checkin of layout test analyzer.

media/tools/layout_tests/bug.py

+#!/usr/bin/python
+# Copyright (c) 2011 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import re
+
+
+class Bug:
+  """A class representing a bug.
+
+  TODO(imasaki): add more functionalities here if bug-tracker API is available.
+  For example, you can get the name of a bug owner.
+  """
+  CHROME_BUG_URL = 'http://crbug.com/'
+  WEBKIT_BUG_URL = 'http://webkit.org/b/'
+  # Type enum for the bug.
+  WEBKIT = 0
+  CHROMIUM = 1
+  OTHERS = 2
+
+  def __init__(self, bug_modifier):
+    """Initialize the object using raw bug text (such as BUGWK2322).
+
+    The bug modifier used in the test expectation file.
+
+    Args:
+      bug_modifier: a string representing a bug modifier. According to
+        http://trac.webkit.org/wiki/TestExpectations#Modifiers,
+        currently, BUGWK12345, BUGCR12345, BUGV8_12345, BUGDPRANKE are
+        possible.
+    """
+    self.bug_txt = bug_modifier
+    pattern_for_webkit_bug = r'BUGWK(\d+)'
+    match = re.search(pattern_for_webkit_bug, bug_modifier)
+    if match:
+      self.type = self.WEBKIT
+      self.url = self.WEBKIT_BUG_URL + match.group(1)
+      return
+    pattern_for_chrome_bug = r'BUGCR(\d+)'
+    match = re.search(pattern_for_chrome_bug, bug_modifier)
+    if match:
+      self.type = self.CHROMIUM
+      self.url = self.CHROME_BUG_URL + match.group(1)
+      return
+    pattern_for_other_bug = r'BUG(\S+)'
+    match = re.search(pattern_for_other_bug, bug_modifier)
+    if match:
+      self.type = self.OTHERS
+      self.url = 'mailto:%s@chromium.org' % match.group(1).lower()
+      return
+    self.url = ''
+
+  def __str__(self):
+    """Get a string representation of a bug object.
+
+    Returns:
+      a string for HTML link representation of a bug.
+    """
+    return '<a href="%s">%s</a>' % (self.url, self.bug_txt)