从数据库中获取风险关键词
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@@ -35,6 +35,17 @@ def parse_unixtime(unixtime: int) -> datetime.datetime:
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return datetime.datetime.fromtimestamp(unixtime)
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async def get_filter_query() -> str:
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row = await mysql.fetch_one(
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"""
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select name from risk_news_keywords order by id limit 1
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"""
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)
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if not row:
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raise Exception("未找到风险关键词")
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return row[0]
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async def fetch(interval: ESInterval, size=1000) -> AsyncIterable[dict]:
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"""
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获取指定时间段内的数据,每次请求 size 条数据。这是一个递归函数,如果当前时间段内的数据量 = size,说明还有数据,继续请求
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@@ -45,7 +56,7 @@ async def fetch(interval: ESInterval, size=1000) -> AsyncIterable[dict]:
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es_response = await post(
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url,
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{
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"word": "(教师|老师|教授|导师|院长) - (教育部|公告|通报|准则|建设|座谈|细则|工作|动员|专题) + (不正当|性骚扰|出轨|猥亵|不公|强迫|侮辱|举报|滥用|违法|师德|贿|造假|不端|抄袭|虚假|篡改|挪用|抑郁|威胁|霸凌|体罚)",
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"word": await get_filter_query(),
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"size": size,
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"orders": 9,
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"tmode": 2,
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@@ -66,8 +77,8 @@ async def fetch(interval: ESInterval, size=1000) -> AsyncIterable[dict]:
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f'用时 {int(duration)} 秒,获取到 {len(docs)} 条数据,最早时间 {parse_unixtime(docs[0]["crawled_at"])},最晚时间 {parse_unixtime(docs[-1]["crawled_at"])}'
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)
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for d in docs:
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d['title'] = d['title'].replace('\x00', '')
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d['content'] = d['content'].replace('\x00', '')
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d["title"] = d["title"].replace("\x00", "")
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d["content"] = d["content"].replace("\x00", "")
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yield d
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# 如果当前时间度的数据量 = size 说明还有数据,继续请求
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# 这里使用递归
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