urls = []

for link_version, link_url in self.links.iteritems():

    if link_version.startswith(version) or link_version == "v%s-latest" % (version):

        # The 'link_version' is a candidate for the requested 'version' if

        #   (a) it is a prefix of the requested version, or if

        #   (b) it is the "<branchname>-latest" version and the requested version is for a

        #       particular major release.

        if "-" in version:

            # The requested 'version' contains a hyphen, so we only consider exact matches

            # to that version.

            if link_version != version:

                continue

        urls.append((link_version, link_url))