root.py 文件源码

def origine_des_annonces_diffusees(self, *args, **kwargs):
        sources_last_crawl = {}
        sorted_sources = collections.OrderedDict(
            sorted(SOURCES.items(), key=lambda x: x[1].label))
        for source_name in sorted_sources:
            try:
                sources_last_crawl[source_name] = DBSession.query(Log.datetime) \
                    .filter(Log.source == source_name) \
                    .order_by(Log.datetime.desc()) \
                    .limit(1) \
                    .one()[0]
            except NoResultFound:
                sources_last_crawl[source_name] = None

        return dict(
            sources=sorted_sources,
            existing_fields=existing_fields,
            sources_last_crawl=sources_last_crawl
        )