| # Copyright (C) 2011 Google Inc. All rights reserved. |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions are |
| # met: |
| # |
| # * Redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer. |
| # * 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT |
| # OWNER OR 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. |
| |
| """Utility module for reftests.""" |
| |
| |
| from HTMLParser import HTMLParser |
| |
| |
| class ExtractReferenceLinkParser(HTMLParser): |
| |
| def __init__(self): |
| HTMLParser.__init__(self) |
| self.matches = [] |
| self.mismatches = [] |
| |
| def handle_starttag(self, tag, attrs): |
| if tag != "link": |
| return |
| attrs = dict(attrs) |
| if not "rel" in attrs: |
| return |
| if not "href" in attrs: |
| return |
| if attrs["rel"] == "match": |
| self.matches.append(attrs["href"]) |
| if attrs["rel"] == "mismatch": |
| self.mismatches.append(attrs["href"]) |
| |
| |
| def get_reference_link(html_string): |
| """Returns reference links in the given html_string. |
| |
| Returns: |
| a tuple of two URL lists, (matches, mismatches). |
| """ |
| parser = ExtractReferenceLinkParser() |
| parser.feed(html_string) |
| parser.close() |
| |
| return parser.matches, parser.mismatches |
