def query_by_keyword(cls,
keyword,
result_limit=CONFIG.SEARCH_PAGE_SIZE,
search_limit=CONFIG.MAX_SEARCH_COUNT):
cache_key = 'KeywordArticles:' + keyword
cached_result = redis_cache_client.get(cache_key)
if cached_result is not None:
if not cached_result:
return []
try:
article_ids = cached_result.split(',')
return [int(article_id) for article_id in article_ids]
except ValueError:
logging.warning('Key "%s" contains wrong value: %s', cache_key,
cached_result)
redis_cache_client.delete(cache_key)
pattern = '*%s*:*' % keyword.lower()
cursor, members = cls.redis_client.sscan(cls.KEY,
match=pattern,
count=search_limit)
if members:
article_ids = [
member.rsplit(':', 1)[-1] for member in members[:result_limit]
]
result = [int(article_id) for article_id in article_ids]
else:
article_ids = result = []
redis_cache_client.set(cache_key,
','.join(article_ids),
ex=CONFIG.DEFAULT_CACHE_TIME)
return result
def query_by_keyword(cls, keyword, result_limit=CONFIG.SEARCH_PAGE_SIZE, search_limit=CONFIG.MAX_SEARCH_COUNT):
cache_key = 'KeywordArticles:' + keyword
cached_result = redis_cache_client.get(cache_key)
if cached_result is not None:
if not cached_result:
return []
try:
article_ids = cached_result.split(',')
return [int(article_id) for article_id in article_ids]
except ValueError:
logging.warning('Key "%s" contains wrong value: %s', cache_key, cached_result)
redis_cache_client.delete(cache_key)
pattern = '*%s*:*' % keyword.lower()
cursor, members = cls.redis_client.sscan(cls.KEY, match=pattern, count=search_limit)
if members:
article_ids = [member.rsplit(':', 1)[-1] for member in members[:result_limit]]
result = [int(article_id) for article_id in article_ids]
else:
article_ids = result = []
redis_cache_client.set(cache_key, ','.join(article_ids), ex=CONFIG.DEFAULT_CACHE_TIME)
return result
def delete(cls, key):
return redis_cache_client.delete(cls.KEY % key) == 1
