python处理csv数据的方法

本文实例讲述了python处理csv数据的方法。分享给大家供大家参考。具体如下：

Python代码：

#coding=utf-8

__author__ = 'dehua.li'

from datetime import *

import datetime

import csv

import sys

import time

import string

import os

import os.path

import pylab as plt

rootdir='/nethome/dehua.li/orderlifeCycleData/xingzheng'

writeFileDir="/nethome/dehua.li/orderlifeMyWork/xingzheng/csv"

heyueFile="/nethome/dehua.li/orderlifeCycleData/heyue_150128.csv"

ms_acked="1"

msg=[]

ex=[]

def getTheDate(date):

    [filenamePart1,filenamePart2]=string.split(filename,'.')

    [filenamePart11,filenamePart12,filenamePart13]=string.split(filenamePart1,'_')

    return filenamePart13

LocalTime=datetime.datetime.fromtimestamp(time.mktime(time.strptime("2014-11-04 20:59:59","%Y-%m-%d %H:%M:%S")))

for parent,dirname,filenames in os.walk(rootdir):

    for filename in filenames:

        fileNameWrite=os.path.join(writeFileDir,filename)

        print fileNameWrite

        csvfile00=open(fileNameWrite,'wb')

        writer1=csv.writer(csvfile00)

        writer1.writerow(['FeedCode','OrderId','Status','LocalTime','Time','Exchange'])

        fileName=os.path.join(parent,filename)

        [filenamePart1,filenamePart2]=string.split(filename,'.')

        [filenamePart11,filenamePart12,filenamePart13]=string.split(filenamePart1,'_')

        #filenamePart11_filenamePart12_filenamePart13.filenamePart2:dongzheng_orderlifeCycleData_20150111.csv

        print fileName

        with open(fileName,'rb') as csvfile:

            reader=csv.reader(csvfile)

            CsvItem=[row for row in reader]

            for item in CsvItem:

                if item[3]=='TPO':

                    #print " filter TPO "

                    continue

                if item[12]=='Sent':

                    [tm_local,ms_local]=string.split(item[15],'.')

                    [tm_localup,ms_localup]=string.split(item[19],'.')

                    LocalTime=datetime.datetime.fromtimestamp(time.mktime(time.strptime(tm_local,"%Y-%m-%d %H:%M:%S")))

                    LocalUpdate=datetime.datetime.fromtimestamp(time.mktime(time.strptime(tm_localup,"%Y-%m-%d %H:%M:%S")))

                    tm=int(((LocalTime-LocalUpdate).seconds))*1000

                    ms_sent=str(int(ms_local)-int(ms_localup)+tm)

                    if int(ms_sent)>10*60*1000:

                        print "ms_sent>600000"

                        continue

                    if(int(ms_local)-int(ms_localup)+tm)<0:

                        print 'wrong1'

                    msg=[]

                    msg.append(item[0])

                    msg.append(item[1])

                    msg.append(item[12])

                    msg.append(item[15])

                    msg.append(ms_sent)

                    with open(heyueFile,'rb') as csvfile1:

                        reader=csv.reader(csvfile1)

                        CsvItem=[row for row in reader]

                        for Item in CsvItem:

                            if Item[1]==item[0]:

                                msg.append(Item[3])

                                writer1.writerow(msg)

                                #print 'write ok'

                                ex=Item[3]

                                break

                    csvfile1.close()

                    with open(fileName,'rb') as csvfile22:

                        reader=csv.reader(csvfile22)

                        CsvItem2=[row for row in reader]

                        for item_ in CsvItem2:

                            if item_[12]=='Acked' and item_[1]==item[1]:

                                [tm_local2,ms_local2]=string.split(item_[15],'.')

                                LocalTime2=datetime.datetime.fromtimestamp(time.mktime(time.strptime(tm_local2,"%Y-%m-%d %H:%M:%S")))

                                tm2=int(((LocalTime2-LocalTime).seconds))*1000

                                ms_acked=str(int(ms_local2)-int(ms_local)+tm2)

                                if int(ms_acked)>10*60*1000:

                                    print "MSacked>600000"

                                    continue

                                msg=[]

                                msg.append(item_[0])

                                msg.append(item_[1])

                                msg.append(item_[12])

                                msg.append(item_[15])

                                msg.append(ms_acked)

                    with open(heyueFile,'rb') as csvfile111:

                        reader=csv.reader(csvfile111)

                        CsvItem=[row for row in reader]

                        for Item in CsvItem:

                            if Item[1]==item[0]:

                                msg.append(Item[3])

                                writer1.writerow(msg)

                                #print 'write ok'

                                break

                                #print "write ok"

                    csvfile22.close()

        csvfile.close()

        csvfile00.close()

#coding=utf-8

#__author__ = 'dehua.li'

from datetime import *

import datetime

import csv

import sys

import time

import string

import os

import os.path

import pylab as plt

def median(lst):

    even = (0 if len(lst) % 2 else 1) + 1

    half = (len(lst) - 1) / 2

    return sum(sorted(lst)[half:half + even]) / float(even)

def mean(lst):

    if len(lst)==0:

        return 0

    return sum(lst)/len(lst)

nightLine="21:01:00"

morningLine="09:01:00"

def getTheDate(date):

    [filenamePart1,filenamePart2]=string.split(filename,'.')

    [filenamePart11,filenamePart12,filenamePart13]=string.split(filenamePart1,'_')

    return filenamePart13

def afterOneMin(time):

    [tm_local,ms_local]=string.split(time,'.')

    [ymd,hms]=string.split(tm_local,' ')

    flag=0

    if hms>"21:01:00":

        flag=1

    elif hms>"09:01:00" and hms<"20:00:00":

        flag=1

    elif hms>"00:00:00" and hms<"05:00:00":

        flag=1

    return flag

rootdir="/nethome/dehua.li/orderlifeMyWork/xingzheng/csv"

#csvfileMaxMin = open('e:\dehua.li\csv\__xingzhenMaxMin.csv','wb')

#writer1 = csv.writer(csvfileMaxMin)

#writer1.writerow(['FeedCode','date','SentMaxTime','SentMaxLocalTime','SentMinTime','SentMinLocalTime','SentMeanTime','SentMedian','AckedMaxTime','AckedMaxLocalTime','AckedMinTime','AckedMinLocalTime','AckedMeanTime','AckedMedianTime','Exchange'])

#writer1.writerow(['FeedCode','date','SentMaxTime','SentMinTime','SentMeanTime','SentMedian','AckedMaxTime','AckedMinTime','AckedMeanTime','AckedMedianTime','Exchange'])

msg=[]

codeList=list()

orderList=list()

itemSentList=[]

itemAckedList=[]

feedCode=[]

exchange=[]

zhengshangSentMedian=0

zhengshangSentMean=0

zhengshangAckedMedian=0

zhengshangAckedMean=0

dashangSentMedian=0

dashangSentMean=0

dashangAckedMedian=0

dashangAckedMean=0

shangqiSentMedian=0

shangqiSentMean=0

shangqiAckedMedian=0

shangqiAckedMean=0

zhongjinSentMedian=0

zhongjinSentMean=0

zhongjinAckedMedian=0

zhongjinAckedMean=0

zhengshangSent=[]

zhengshangAcked=[]

dashangSent=[]

dashangAcked=[]

shangqiSent=[]

shangqiAcked=[]

zhongjinSent=[]

zhongjinAcked=[]

zhengshangSentMedianAll=[]

zhengshangSentMeanAll=[]

zhengshangAckedMedianAll=[]

zhengshangAckedMeanAll=[]

dashangSentMedianAll=[]

dashangSentMeanAll=[]

dashangAckedMedianAll=[]

dashangAckedMeanAll=[]

shangqiSentMedianAll=[]

shangqiSentMeanAll=[]

shangqiAckedMedianAll=[]

shangqiAckedMeanAll=[]

zhongjinSentMedianAll=[]

zhongjinSentMeanAll=[]

zhongjinAckedMedianAll=[]

zhongjinAckedMeanAll=[]

zhengshang='0'

dashang='0'

shangqi='0'

zhongjin='0'

with open('/nethome/dehua.li/orderlifeCycleData/heyue_150128.csv','rb') as csvfile:

    reader=csv.reader(csvfile)

    csvItem=[row for row in reader]

    zhengshang=csvItem[300][3]

    dashang=csvItem[5][3]

    shangqi=csvItem[165][3]

    zhongjin=csvItem[435][3]

    #for item in csvItem:

    #    if item[3]==zhengshang:

     #       print item

for parent,dirname,filenames in os.walk(rootdir):

    for filename in filenames:

        fileName=os.path.join(rootdir,filename)

        csvfile1=open(fileName,'rb')

        reader=csv.reader(csvfile1)

        CsvItem=[row for row in reader]

        for item in CsvItem:

            if item[0]=='FeedCode':

                continue

            if item[0] not in codeList:

                codeList.append(item[0])

                #print CsvItem[15]

            if len(item)<=5:

                print fileName

                print item

                print '++++++++++++++++++++++++++++++'

            #if afterOneMin(item[3])==0:

            #    print item[3]

            #    continue

            if item[5]==zhengshang and item[2]=='Sent':

                zhengshangSent.append(int(item[4]))

            elif item[5]==zhengshang and item[2]=='Acked':

                zhengshangAcked.append(int(item[4]))

            elif item[5]==dashang and item[2]=='Sent':

                 dashangSent.append(int(item[4]))

            elif item[5]==dashang and item[2]=='Acked':

                 dashangAcked.append(int(item[4]))

            elif item[5]==shangqi and item[2]=='Sent':

                 shangqiSent.append(int(item[4]))

                 if int(item[4])>=600000:

                     print "------------"

                     print item

            elif item[5]==shangqi and item[2]=='Acked':

                 shangqiAcked.append(int(item[4]))

            elif item[5]==zhongjin and item[2]=='Sent':

                 zhongjinSent.append(int(item[4]))

            elif item[5]==zhongjin and item[2]=='Acked':

                 zhongjinAcked.append(int(item[4]))

            else:

                 print "wrong info"

                 print item

        if mean(shangqiSent)>420000:

            print sum(shangqiSent)

            print len(shangqiSent)

            print item

            print fileName

            print shangqiSent

        zhengshangSentMedian=median(zhengshangSent)

        zhengshangSentMean=mean(zhengshangSent)

        zhengshangAckedMedian=median(zhengshangAcked)

        zhengshangAckedMean=mean(zhengshangAcked)

        dashangSentMedian=median(dashangSent)

        dashangSentMean=mean(dashangSent)

        dashangAckedMedian=median(dashangAcked)

        dashangAckedMean=mean(dashangAcked)

        shangqiSentMedian=median(shangqiSent)

        shangqiSentMean=mean(shangqiSent)

        shangqiAckedMedian=median(shangqiAcked)

        shangqiAckedMean=mean(shangqiAcked)

        zhongjinSentMedian=median(zhongjinSent)

        zhongjinSentMean=mean(zhongjinSent)

        zhongjinAckedMedian=median(zhongjinAcked)

        zhongjinAckedMean=mean(zhongjinAcked)

        #if mean(shangqiSent)>70:

        #    print '================================'

        #    print fileName

        #print codeList

        '''

        for listItem in codeList:

            itemSentList=[]

            itemAckedList=[]

            for item in CsvItem:

                if item[0]==listItem and item[2]=='Sent':

                    itemSentList.append(int(item[4]))

                    exchange=item[5]

                elif  item[0]==listItem and item[2]=='Acked':

                    itemAckedList.append(int(item[4]))

            #print itemSentList

            itemMaxSent=max(itemSentList)

            itemMinSent=min(itemSentList)

            itemAvgSent=sum(itemSentList)/len(itemSentList)

            itemMaxAcked=max(itemAckedList)

            itemMinAcked=min(itemAckedList)

            itemAvgAcked=sum(itemAckedList)/len(itemAckedList)

            SentMedian=median(itemSentList)

            AckedMedian=median(itemAckedList)

            msg=[]

            msg.append(listItem)         #0

            msg.append("2015/01/14")   #1

            msg.append(itemMaxSent)     #2

            msg.append(itemMinSent)     #3

            msg.append(itemAvgSent)     #4

            msg.append(SentMedian)     #5

            msg.append(itemMaxAcked)    #6

            msg.append(itemMinAcked)     #7

            msg.append(itemAvgAcked)     #8

            msg.append(AckedMedian)      #9

            msg.append(exchange)          #10

            if len(msg)>15:

               print "------------------------------"

               print msg

            writer1.writerow(msg)

         '''

        zhengshangSentMedianAll.append(zhengshangSentMedian)

        zhengshangSentMeanAll.append(zhengshangSentMean)

        zhengshangAckedMedianAll.append(zhengshangAckedMedian)

        zhengshangAckedMeanAll.append(zhengshangAckedMean)

        dashangSentMedianAll.append(dashangSentMedian)

        dashangSentMeanAll.append(dashangSentMean)

        dashangAckedMedianAll.append(dashangAckedMedian)

        dashangAckedMeanAll.append(dashangAckedMean)

        shangqiSentMedianAll.append(shangqiSentMedian)

        shangqiSentMeanAll.append(shangqiSentMean)

        shangqiAckedMedianAll.append(shangqiAckedMedian)

        shangqiAckedMeanAll.append(shangqiAckedMean)

        zhongjinSentMedianAll.append(zhongjinSentMedian)

        zhongjinSentMeanAll.append(zhongjinSentMean)

        zhongjinAckedMedianAll.append(zhongjinAckedMedian)

        zhongjinAckedMeanAll.append(zhongjinAckedMean)

plt.figure(1)

plt.figure(2)

plt.figure(3)

plt.figure(4)

plt.figure(1)

plt.title('SentMean r-zhengshang b-dashang,green-shangqi grey-zhongjin')

plt.plot(range(1,len(zhengshangSentMeanAll)+1),zhengshangSentMeanAll,'r')

plt.plot(range(1,len(dashangSentMeanAll)+1),dashangSentMeanAll,'b')

plt.plot(range(1,len(shangqiSentMeanAll)+1),shangqiSentMeanAll,'g')

plt.plot(range(1,len(zhongjinSentMeanAll)+1),zhongjinSentMeanAll,'grey')

plt.savefig('/nethome/dehua.li/orderlifeMyWork/xingzheng/data_noTPO_in10minutes/SentMean.png')

plt.figure(2)

plt.title('SentMedian r-zhengshang b-dashang,green-shangqi grey-zhongjin')

plt.plot(range(1,len(zhengshangSentMedianAll)+1),zhengshangSentMedianAll,'r')

plt.plot(range(1,len(dashangSentMedianAll)+1),dashangSentMedianAll,'b')

plt.plot(range(1,len(shangqiSentMedianAll)+1),shangqiSentMedianAll,'g')

plt.plot(range(1,len(zhongjinSentMedianAll)+1),zhongjinSentMedianAll,'grey')

plt.savefig('/nethome/dehua.li/orderlifeMyWork/xingzheng/data_noTPO_in10minutes/SentMedian.png')

plt.figure(3)

plt.title('AckedMean r-zhengshang b-dashang,green-shangqi grey-zhongjin')

plt.plot(range(1,len(zhengshangAckedMeanAll)+1),zhengshangAckedMeanAll,'r')

plt.plot(range(1,len(dashangAckedMeanAll)+1),dashangAckedMeanAll,'b')

plt.plot(range(1,len(shangqiAckedMeanAll)+1),shangqiAckedMeanAll,'g')

plt.plot(range(1,len(zhongjinAckedMeanAll)+1),zhongjinAckedMeanAll,'grey')

plt.savefig('/nethome/dehua.li/orderlifeMyWork/xingzheng/data_noTPO_in10minutes/AckedMean.png')

plt.figure(4)

plt.title('AckedMedian r-zhengshang b-dashang,green-shangqi grey-zhongjin')

plt.plot(range(1,len(zhengshangAckedMedianAll)+1),zhengshangAckedMedianAll,'r')

plt.plot(range(1,len(dashangAckedMedianAll)+1),dashangAckedMedianAll,'b')

plt.plot(range(1,len(shangqiAckedMedianAll)+1),shangqiAckedMedianAll,'g')

plt.plot(range(1,len(zhongjinAckedMedianAll)+1),zhongjinAckedMedianAll,'grey')

plt.savefig('/nethome/dehua.li/orderlifeMyWork/xingzheng/data_noTPO_in10minutes/AckedMedian.png')

plt.show()

print 'over'

希望本文所述对大家的Python程序设计有所帮助。