How to use the patchman.signals.info_message.send function in patchman

if hasattr(settings, 'MAX_MIRRORS') and \
                isinstance(settings.MAX_MIRRORS, int):
            max_mirrors = settings.MAX_MIRRORS
            # only add X mirrors, where X = max_mirrors
            q = Q(mirrorlist=False, refresh=True)
            existing = mirror.repo.mirror_set.filter(q).count()
            if existing >= max_mirrors:
                text = '{0!s} mirrors already '.format(max_mirrors)
                text += 'exist, not adding {0!s}'.format(mirror_url)
                warning_message.send(sender=None, text=text)
                continue
        from repos.models import Mirror
        m, c = Mirror.objects.get_or_create(repo=mirror.repo, url=mirror_url)
        if c:
            text = 'Added mirror - {0!s}'.format(mirror_url)
            info_message.send(sender=None, text=text)

if line.startswith('%ARCH%'):
                        arch_sec = True
                        continue
                    if arch_sec:
                        arch_sec = False
                        arch = line
                        continue
                package = PackageString(name=name.lower(),
                                        epoch=epoch,
                                        version=version,
                                        release=release,
                                        arch=arch,
                                        packagetype='A')
                packages.add(package)
    else:
        info_message.send(sender=None, text='No packages found in repo')
    return packages