if not commonsPage.exists():
    logpages = commonsSite.logpages(mode='delete',
                                    title=commonsPage.title())
    try:
        logitem = logpages.next()
        (logpage, loguser, logtimestamp, logcomment) = logitem
        # Some logic to extract the target page.
        regex = u'moved to \[\[\:?Category:(?P<newcat1>[^\|\}]+)(\|[^\}]+)?\]\]|Robot: Changing Category:(.+) to Category:(?P<newcat2>.+)'
        m = re.search(regex, logcomment, flags=re.I)
        if m:
            if m.group('newcat1'):
                return self.checkCommonscatLink(m.group('newcat1'))
            elif m.group('newcat2'):
                return self.checkCommonscatLink(m.group('newcat2'))
        else:
            pywikibot.output(
                u'getCommonscat: Deleted by %s. Couldn\'t find move target in \" %s \"'
                % (loguser, logcomment))
            return u''
    except StopIteration:
        if pywikibot.verbose:
            pywikibot.output(
                u"getCommonscat: The category doesnt exist and nothing found in the deletion log.")
        return u''