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#!/usr/bin/env python
# -*- coding: utf-8 -*-
import math
import time
import json
import random
from threading import Thread
from queue import Queue
from django.core.management import BaseCommand
from django.conf import settings
from gm_types.doris import (
CONTENT_AGGRE_CARD_TYPE,
)
from gm_types.gaia import (
TOPIC_TYPE,
)
from gm_types.mimas import (
QUICK_SEARCH_CONTENT_DIVISION,
)
from utils.rpc import get_rpc_invoker
from communal.models import QuickSearchContentKeyword
from qa.models import (
Answer,
Question
)
from talos.models.topic import Problem
from talos.models.tractate import Tractate
rpc_client = get_rpc_invoker()
is_finished = False
def sync_content_quick_search(content_ids, content_type):
"""
同步内容快速搜索词
:param content_ids:
:param content_type:
:return:
"""
def keywords_check(keywords):
"""
关键字校验，索引列表仅保留一个有效位置
:param keywords:
:return:
"""
_index_map_set = set()
_result = []
for item in keywords:
keyword_index_list = list(map(tuple, item.pop("index", [])))
_index_map_diff = set(keyword_index_list) - _index_map_set
if not _index_map_diff:
continue
# 更新位置暂存库
_index_map_set.update(set(keyword_index_list))
item["index"] = sorted(_index_map_diff, key=keyword_index_list.index)[0] # 注意此处是个元组
_result.append(item)
return _result
mapping_dic = {
QUICK_SEARCH_CONTENT_DIVISION.TRACTATE: CONTENT_AGGRE_CARD_TYPE.TRACTATE,
QUICK_SEARCH_CONTENT_DIVISION.TOPIC: CONTENT_AGGRE_CARD_TYPE.DIARY,
QUICK_SEARCH_CONTENT_DIVISION.QUESTION: CONTENT_AGGRE_CARD_TYPE.QA,
QUICK_SEARCH_CONTENT_DIVISION.ANSWER: CONTENT_AGGRE_CARD_TYPE.ANSWER,
QUICK_SEARCH_CONTENT_DIVISION.ARTICLE: CONTENT_AGGRE_CARD_TYPE.ARTICLE,
}
per_num = 100
success_create_num = 0
if not content_ids:
return
in_sql_ids = set(QuickSearchContentKeyword.objects.filter(
content_id__in=content_ids,
content_type=content_type
).using(settings.SLAVE_DB_NAME).values_list("content_id", flat=True))
need_update_content_ids = list(set(content_ids) - in_sql_ids)
for i in range(int(math.ceil(len(need_update_content_ids)/per_num))):
bulk_create_list = []
stn = i * per_num
_ids = need_update_content_ids[stn: stn + per_num]
time.sleep(0.5 * random.random()) # 让接口歇一会儿(*^▽^*)
try:
key_words_dic = rpc_client["doris/search/get_content_search_highlight"](
content_ids=_ids,
content_type=mapping_dic.get(content_type)
).unwrap()
except:
print(" doris rpc error")
key_words_dic = {}
keywords_dic = json.loads(key_words_dic.get("content_highlight_list") or '{}')
if keywords_dic:
for content_id in _ids:
keywords = keywords_dic.get(str(content_id), [])
if not keywords:
continue
_data = {
"content_id": content_id,
"content_type": content_type,
"keywords": json.dumps(keywords_check(keywords)),
}
bulk_create_list.append(_data)
if bulk_create_list:
# 批量创建前再做一次校验
_in_sql_ids = set(QuickSearchContentKeyword.objects.filter(
content_id__in=_ids,
content_type=content_type
).values_list("content_id", flat=True))
print("filter can create ids in sql")
bulk_create_list = list(filter(lambda item: item["content_id"] not in _in_sql_ids, bulk_create_list))
QuickSearchContentKeyword.objects.bulk_create([
QuickSearchContentKeyword(**item) for item in bulk_create_list
])
success_create_num = len(bulk_create_list)
return success_create_num
class ContentSearchThreadBase(Thread):
def __init__(self, name, queue, model, content_type, step=1000):
super(ContentSearchThreadBase, self).__init__(name=name)
self.queue = queue
self.model = model
self.content_type = content_type
self.step = step
@property
def get_ids(self):
filters = {
"is_online": True,
}
if self.content_type == QUICK_SEARCH_CONTENT_DIVISION.TOPIC:
filters.update({
"topic_type__in": [TOPIC_TYPE.ASK, TOPIC_TYPE.SHARE, TOPIC_TYPE.TOPIC],
})
elif self.content_type == QUICK_SEARCH_CONTENT_DIVISION.ARTICLE:
filters.update({
"topic_type__in": [TOPIC_TYPE.USER_ARTICLE, TOPIC_TYPE.COLUMN_ARTICLE],
})
return self.model.objects.filter(**filters).only('id').using(settings.SLAVE_DB_NAME)
# return self.model.objects.filter(**filters).only('id')
@property
def get_min_id(self):
return self.get_ids.first().id
@property
def get_max_id(self):
return self.get_ids.last().id
class Producer(ContentSearchThreadBase):
"""
生产者
"""
def run(self):
global is_finished
count = self.get_ids.count()
min_id = self.get_min_id
print("{} total_count {}".format(self.content_type, count))
transfer_id = min_id
for i in range(int(math.ceil(count/self.step))):
nexts_data = self.get_ids.filter(pk__gte=transfer_id).order_by("id")[:self.step]
if not nexts_data:
break
next_id = list(nexts_data.values_list("id", flat=True))[-1]
print("%s is producing %s to the queue!" % (self.getName(), (transfer_id, next_id)))
self.queue.put((transfer_id, next_id))
transfer_id = next_id + 1
is_finished = True
print("%s finished!" % self.getName())
class Consumer(ContentSearchThreadBase):
"""
消费者
"""
def executive_logic(self, start_pk_id, end_pk_id):
"""
执行逻辑
:return:
"""
content_ids = list(self.get_ids.filter(pk__range=[start_pk_id, end_pk_id]).values_list("id", flat=True))
nums = sync_content_quick_search(content_ids, self.content_type)
return nums
def run(self):
global is_finished
while True:
if is_finished and self.queue.empty():
break
try:
start_id, end_id = self.queue.get(timeout=0.2)
print("%s is consuming. %s in the queue is consumed!" % (self.getName(), (start_id, end_id)))
except:
continue
nums = self.executive_logic(start_id, end_id)
print("bulk_create_nums", nums)
print("%s finished!" % self.getName())
class Command(BaseCommand):
"""
python django_manage.py initialization_content_quick_search_data --content_type
内容-新标签映射 数据清洗
"""
_input_content_type_map_dic = {
"topic": (Problem, QUICK_SEARCH_CONTENT_DIVISION.TOPIC),
"article": (Problem, QUICK_SEARCH_CONTENT_DIVISION.ARTICLE),
"question": (Question, QUICK_SEARCH_CONTENT_DIVISION.QUESTION),
"answer": (Answer, QUICK_SEARCH_CONTENT_DIVISION.ANSWER),
"tractate": (Tractate, QUICK_SEARCH_CONTENT_DIVISION.TRACTATE),
}
def add_arguments(self, parser):
parser.add_argument(
'--content_type',
help=u'内容类型(单选), choice is article/topic/question/answer/tractate ...'
)
def handle(self, *args, **options):
_input_content_type = options["content_type"]
model_, content_type = self._input_content_type_map_dic.get(_input_content_type, (None, None))
if not model_:
print(u'请输入正确参数')
return
print("START!")
start_time = time.time()
content_queue = Queue()
producer = Producer("producer_{}".format(content_type), content_queue, model_, content_type)
consumer = Consumer("Consumer_{}".format(content_type), content_queue, model_, content_type)
producer.start()
consumer.start()
producer.join()
consumer.join()
end_time = time.time()
print("ALL threads finished!")
print("END")
print("total_time: %s s" % int(math.ceil(end_time - start_time)))