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python多线程代码实例

2016-10-14 16:46 441 查看
因业务需求,写了一个python多线程处理数据的程序,记录下来,方便以后参考:

#!/usr/bin/python

'''
coding=utf-8

bossid.fy.mapping.itil.dic
2611:171:video_p2p_pieces
2125:82:live_pcclients
1365:142:appnews_1365
1446:143:appnews_1446
2181:144:appnews_2181

note:please care the data dir(line:131),and get bossid(line 78)
'''

import urllib2
import json
import os
import os.path
import threading
import datetime
import time
import re
#import nameapi
import sys
if not "/usr/local/zk_l5_name/zk_ex_named/names" in sys.path:
sys.path.append("/usr/local/zk_l5_name/zk_ex_named/names")
if not 'nameapi' in sys.modules:
nameapi=__import__('nameapi')
else:
eval('import nameapi')
nameapi=eval('reload(nameapi)')

class Th(threading.Thread):
def __init__(self,strBossIdConf,processer):
threading.Thread.__init__(self)
self._strBossIdConf = strBossIdConf
self._processer = processer

def run(self):
self._processer.LoadBossIdData(self._strBossIdConf)

class BossDataProcesser:
def GetBossIdColInfo(self,strBossId):
"""
Get columns info of bossid
"""
strurl='http://beehive.boss.webdev.com/bossid/api/getAllIds?bossid='+str(strBossId)
#print strurl
req = urllib2.Request(strurl)
response = urllib2.urlopen(req)
strContent = response.read()
#print strContent

objJson = json.loads(strContent)
lstColInfo = list()
for key in objJson:
if key == "data":
cols = objJson[key]
for col in cols:
colname = col['name']
coltype = col['type']
collen = col['len']
#print "name:" + colname + " type:" + coltype + " len:" + collen
if cmp(coltype,'varchar') == 0:
lstColInfo.append(collen)
else:
lstColInfo.append(-1)

return lstColInfo

def GetFyIdColInfo(self,strFyId):
"""
Get columns info of bossid
"""
strurl='http://fy.webdev.com/php/interface/getTableInfo.php?id='+str(strFyId)
#print strurl
req = urllib2.Request(strurl)
response = urllib2.urlopen(req)
strContent = response.read()
#print strContent

objJson = json.loads(strContent)
lstColInfo = list()
for key in objJson:
if key == "data":
cols = objJson[key]
for col in cols:
colname = col['f_Name']
coltype = col['f_Type']
collen = col['f_Length']
#print "name:" + colname + " type:" + coltype + " len:" + collen
if cmp(coltype,'VARCHAR') == 0:
lstColInfo.append(collen)
else:
lstColInfo.append(-1)

return lstColInfo

def GetBossidColInfoFromFile(self,strBossId):
today = datetime.datetime.today().strftime("%Y%m%d")
strcol = ''
filename = "/tmp/fycolinfo.info"
fileobj = open(filename)

try:
while True:
strLine = fileobj.readline()
if not strLine:
break

lstitem = strLine.split("|")
bossid = lstitem[0]
day = lstitem[1]
strjson = lstitem[2]
if ( int(strBossId) == int(bossid) and cmp(today,day) == 0 ):
strcol = strjson
break

finally:
fileobj.close()

lstColInfo = list()
if ( len(strcol) > 0 ):
objJson = json.loads(strcol)
lstColInfo = list()
for key in objJson:
if key == "data":
cols = objJson[key]
for col in cols:
colname = col['f_Name']
coltype = col['f_Type']
collen = col['f_Length']
#print "name:" + colname + " type:" + coltype + " len:" + collen
if cmp(coltype,'VARCHAR') == 0:
lstColInfo.append(collen)
else:
lstColInfo.append(-1)

return lstColInfo

def ProcessFile(self,filename,bossid,fyid):
"""
process data file
"""
#lstInfo = filename.split('/')
#bossid = lstInfo[5]

lstColInfo = list()
#lstColInfo = self.GetBossIdColInfo(bossid)
lstColInfo = self.GetBossidColInfoFromFile(bossid)
if ( len(lstColInfo) == 0 ):
print("enter")
lstColInfo = self.GetFyIdColInfo(fyid)

fileobj = open(filename)
filewriteobj = open(filename + ".ok",'w+')

try:
while True:
strLine = fileobj.readline()
if not strLine:
break
strLine = self.ProcessLine(strLine,lstColInfo)
filewriteobj.write(strLine)
#filewriteobj.write(os.linesep)
finally:
fileobj.close()
filewriteobj.close()

def ProcessLine(self,strLine,lstColInfo):
"""
process one line of file
"""
lstColLen =  len(lstColInfo)
if ( lstColLen == 0 ):
return strLine

#lstItems = strLine.split(',')
lstItems = re.split(r'(?<!\\),',strLine)
lstItemsLen = len(lstItems)

for index in range(0,lstColLen):
collen = lstColInfo[index]
collen = int(collen)
if ( collen > 0	):
if ( index < lstItemsLen and len(lstItems[index]) > collen ):
lstItems[index] = lstItems[index][0:collen]
if ( collen == 0 ):
lstItems[index] = ""

#newline = ",".join(lstItems)
if ( lstItemsLen > lstColLen ):
newline = ",".join(lstItems[0:lstColLen])
newline += os.linesep
else:
diff = lstColLen - lstItemsLen
diff += 1
tmplist = lstItems[0:lstItemsLen-1]
for i in range(0,diff):
tmplist.append('0')

newline = ",".join(tmplist)
newline += os.linesep

return newline

def GetProcessFiles(self,dir,lstFiles):
fileminute = datetime.datetime.now()-datetime.timedelta(minutes=1)
fileminute = fileminute.strftime("%Y%m%d%H%M")
if os.path.isdir(dir):
for s in os.listdir(dir):
if ( fileminute in s and ".ok" not in s ):
filename = os.path.join(dir,s)
#print filename
lstFiles.append(filename)
return lstFiles

def LoadBossIdData(self,conf):
"""
Load data to fy
"""
lstitem = conf.split(":")
bossid = lstitem[0]
fyid = lstitem[1]
fytable = lstitem[2]

today = datetime.datetime.today().strftime("%Y%m%d")
datadir="/data1/webitil/logreceiver/data/" + bossid +"/" + today
if os.path.exists(datadir):
#print datadir
filelst = self.GetProcessFiles(datadir,[])
for file in filelst:
self.ProcessFile(file,bossid,fyid)
strcmd = '/usr/local/bin/fyloader  --escaped "\\\\\\\\" --delimiter "," --abort_on_threshold 0.2 -l 200000 ' + fyid + ' ' + fytable+'_' + today + ' ' + file + '.ok'
#print strcmd
os.system(strcmd);
if os.path.exists(file + '.ok'):
os.remove(file + '.ok')

if __name__ == '__main__':
start = time.clock()

processer = BossDataProcesser()
lstTh = list()

ret,value = nameapi.getValueByKey('bossid.fy.mapping.itil.dic')
lstconf = value.split()
for conf in lstconf:
lstitem = conf.split(":")
switch = lstitem[4]
if switch == "1":
t = Th(conf,processer)
t.start()
lstTh.append(t)
#t.join()

for t in lstTh:
t.join()

end = time.clock()

print "cost:%f s" % (end - start)
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标签:  python 多线程