def get_seen_urls(self):
        slugged_url = slugify(self.plugin_name)
        seen_urls = set()
        for fn in os.listdir(self.server['documents']):
            if slugged_url in fn:
                with open(os.path.join(self.server['documents'], fn)) as f:
                    seen_urls.add(json.load(f)['url'])
        return seen_urls
dataset/ETHPy150Open kootenpv/sky/sky/crawler_plugins.py/CrawlFilePlugin.get_seen_urls/original