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ad_service.py
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ad_service.py
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# -*- coding: UTF-8 -*-
from whoosh.analysis import Tokenizer,Token
from whoosh.analysis import RegexTokenizer
from whoosh.index import create_in
from whoosh import index,sorting
from whoosh.qparser import QueryParser
from whoosh.fields import *
from radix_tree import RadixTree
import pymongo
from ac_trie import Trie
import json
import uuid
import config
import logging
from multiprocessing import Process, Queue
import time
import re
logger = config.getLogger('ad_service',"./data/ad_service.log")
class update_task(Process):
def __init__(self,task_queue,ix):
Process.__init__(self)
self.task_queue = task_queue
self.ix = ix
self.tagsParser = Trie(config.SKILL_FILE)
def cut(self,value):
value=value.lower().replace(' ','')
value = value.encode('UTF-8')
terms = self.tagsParser.parse(value)
v = {}
for i in terms:
v[i[0]]=i[1]
return v.values()
def update_doc(self,jdata):
writer = self.ix.writer()
for j in jdata['fields']:
tags = self.cut(j['jobname']+' '+j['description'])
jobid = j['jobid']
orgid = j['orgid']
jobname = unicode(j['jobname'])
tags = ' '.join(tags).decode('UTF-8')
ishunterjob=j['ishunterjob']
writer.update_document(id=jobid,orgid=orgid,
title=jobname,tags=tags
,ishunterjob=ishunterjob)
logger.info('update doc :'+str(jobid))
writer.commit()
def del_doc(self,id):
self.ix.delete_by_term('id',id)
logger.info('del doc :'+str(id))
def run(self):
logger.info('启动异步任务队列')
while(True):
task = self.task_queue.get(1)
if task[0] == 1:
jdata = task[1]
self.update_doc(jdata)
elif task[0] == 2:
id = task[1]
self.del_doc(id)
class ADIndex:
def __init__(self,ix,task_queue,pid):
self.serverName = "%s_%d" %(config.get_mac_address(),pid)
self.conn = pymongo.Connection(config.MONGO_CONN)
self.pageurls = self.conn.pongo.pageurls
self.task_queue = task_queue
self.ix = ix
self.p = re.compile(u'(http://blog.csdn.net/[^\\/]+/article/details/\\d+)')
def add_doc(self,jdata):
self.task_queue.put((1,jdata))
return {"message": "add doc ok"}
def del_doc(self,id):
self.task_queue.put((2,id))
return {"del doc ":id}
def find_by_query(self,q,limit):
jobs = self.ix.searcher().search(q,limit=limit)
return jobs
def find_unique_orgid(self,q,limit):
facet = sorting.FieldFacet("id", reverse=True)
jobs = self.ix.searcher().search(q,collapse="orgid",sortedby=facet,limit=limit)
return jobs
def find_all(self,limit):
qp = QueryParser("id", schema=self.ix.schema)
q = qp.parse(u'*')
return self.find_by_query(q,limit)
def find_all_unique_orgid(self,limit):
qp = QueryParser("id", schema=self.ix.schema)
q = qp.parse(u'*')
return self.find_unique_orgid(q,limit)
def hunter_job(self,limit):
qp = QueryParser("ishunterjob", schema=self.ix.schema)
q = qp.parse(u'1')
return self.find_unique_orgid(q,limit)
def find(self,query,limit):
query = query.strip()
if len(query) == 0:
query =u'*'
searcher=self.ix.searcher()
qp = QueryParser("tags", schema=self.ix.schema)
q = qp.parse(query)
return searcher.search(q,limit=limit)
#state 0 插入 链接
#state 1 插入 正文
#state 2 插入 标签
def search_by_url(self,url,limit):
pagetags = self.conn.pongo.pagetags
url = unicode(url)
m = self.p.search(url)
if m :
url = m.group(1)
one = pagetags.find_one({"_id": url}, {"tags": 1})
if one :
tags = one["tags"]
tags = tags.replace(',',' OR ')
return self.find(tags,limit)
else:
self.insert_url(url)
return None
else:
return None
def insert_url(self,url):
self.pageurls.insert({"_id":url})
logger.info('adv insert :'+url)
def jobs2json(self,jobs):
rep = {}
rep["server"] = self.serverName
rep["state"] = True
response = {}
rep['response'] = response
if jobs == None:
response['totalCount']=0
return rep
response['totalCount']=len(jobs)
#response['usedTime']=jobs.runtime
items=[]
for j in jobs:
job={}
job['jobId'] = j['id']
job['orgid'] = j['orgid']
job['jobTitle'] = j['title']
items.append(job)
response['items']=items
return rep
def search(self,query,limit,hunterjob,uniqueorgid):
if hunterjob:
return self.hunter_job(limit)
elif uniqueorgid:
return self.find_all_unique_orgid(limit)
else:
return self.find(query,limit)
def dispatch_hander(self,worker,frames):
header = frames[2]
data = frames[3]
rep = ''
try:
jdata = json.loads(data.replace("''","0"),strict=False)
action = jdata ["action"]
rep = 'request err :'+data
if action == "syncDoc":
rep = {"message": "syncDoc ok"}
elif header == 'update' and action == "updateDoc":
rep = self.add_doc(jdata)
#remove
#{"action":"removeDoc","name":"job","keyID":"64983"}
elif header == 'remove' and action == "removeDoc":
keyid = jdata ["keyID"]
rep =self.del_doc(int(keyid))
elif header == 'search':
size = jdata['output']["size"]
if action == 'adv':
referurl = jdata['q']["referurl"]
rep = self.jobs2json(self.search_by_url(referurl,size))
logger.info('adv:'+referurl)
elif action == 'searchJob':
keyword = ''
uniqueorgid = False
hunterjob = False
if jdata.has_key('filter'):
f = jdata['filter']
if f.has_key('uniqueKey'):
uniqueorgid = True
if f.has_key('jobflag'):
hunterjob = True
if jdata.has_key('q') and jdata['q'].has_key('keyword'):
keyword = jdata['q']["keyword"]
rep = self.jobs2json(self.search(keyword,size,hunterjob,uniqueorgid))
logger.info('searchJob:keyword['+keyword+']')
elif action == 'all' :#所有职位
rep = self.jobs2json(self.find_all(size))
logger.info('search all')
elif action == 'uniqueorgid': #按orgid排重后的所有职位
rep = self.jobs2json(self.find_all_unique_orgid(size))
logger.info('search uniqueorgid')
elif action == 'hunterjob':#获取最新猎头数据
rep = self.jobs2json(self.hunter_job(size))
logger.info('search hunterjob')
except Exception,e:
logger.error("except:%s\n%s" %(frames,e))
rep = json.dumps(rep)
msg = [frames[0],frames[1],rep.encode('UTF-8')]
if len(frames) == 5 :
msg.append(frames[4])
worker.send_multipart(msg)
if __name__ == '__main__' :
aix = ADIndex('indexdir')
jobs =[
(1,u'java搜索',u'java linux lucene'),
(2,u'ruby开发',u'java linux linux ruby'),
(3,u'python开发',u'java linux linux python')
]
aix.add_doc(jobs)
aix.del_doc(2)
jobs = aix.find(u'java linux',10,False,False)
print jobs
for j in jobs:
print j,j.score