def get_news_list(date_str):
dao = DailyDao(config.DB_HOST, config.DB_PORT, config.DB_USER,
config.DB_PASS, config.DB_NAME)
news_list = []
try:
wait_for_indexed_news_list = dao.get_news_list(date_str)
for news in wait_for_indexed_news_list:
news_list.append(dict(news_id=news[1], title=news[2], body=news[5]))
return news_list
finally:
dao.close()
def get_daily_news(date_str):
"""获取日报信息
"""
news_list = []
dao = DailyDao(config.DB_HOST, config.DB_PORT, config.DB_USER,
config.DB_PASS, config.DB_NAME)
try:
newses = dao.get_news_list(date_str)
if newses:
for news in newses:
news_list.append(dict(share_url=news[3],
image_public_url=news[8],
image_source=news[7],
title=news[2]))
return news_list
finally:
dao.close()
def get_daily_news(date_str):
"""获取日报信息
"""
news_list = []
dao = DailyDao(config.DB_HOST, config.DB_PORT, config.DB_USER,
config.DB_PASS, config.DB_NAME)
try:
newses = dao.get_news_list(date_str)
if newses:
for news in newses:
news_list.append(
dict(share_url=news[3],
image_public_url=news[8],
image_source=news[7],
title=news[2]))
return news_list
finally:
dao.close()
def not_exists_news_ids(date_str, latest_news_ids):
"""找出所有不存在的news_ids
:param date_str:
:param latest_news_ids:
:return:
"""
dao = DailyDao(config.DB_HOST, config.DB_PORT, config.DB_USER,
config.DB_PASS, config.DB_NAME)
not_exists_news_ids = []
try:
exists_news_ids = [str(news[1]) for news
in dao.get_news_list(date_str)]
for news_id in latest_news_ids:
if str(news_id) not in exists_news_ids:
not_exists_news_ids.append(news_id)
finally:
dao.close()
return not_exists_news_ids
def search(keywords, start, limit):
"""搜索接口
Argumenst:
keywords: 关键词语
start: 开始位置
limit: 返回个数
Returns:
tuple: (total_count, results)
"""
fts_searcher = AliFTSSearcher(config.ALI_SEARCH_HOST, config.ALI_SEARCH_APP,
config.ACCESS_KEY, config.ACCESS_SECRET)
db = DailyDao(config.DB_HOST, config.DB_PORT, config.DB_USER,
config.DB_PASS, config.DB_NAME)
try:
hits = []
results = fts_searcher.search(keywords, start=start, limit=limit)
for hit in results:
news = db.get_news(hit['news_id'])
title = hit['title']
summary = hit['content']
hits.append(dict(
image_public_url=news[8],
share_url=news[3],
date=news[4],
title=title,
summary=summary,
))
return results.total_count, hits
finally:
db.close()
fts_searcher.close()
def store_news_list(news_list):
"""将news_list保存到数据库中
:param news_list:
:return:
"""
dao = DailyDao(config.DB_HOST, config.DB_PORT, config.DB_USER,
config.DB_PASS, config.DB_NAME)
try:
for news in news_list:
dao.insert(news['public_image_url'],
news['date_str'],
news['news'])
finally:
dao.close()
