Python 处理数据的实例详解

def showtxt(path,outpathname,detailpath):    greenpath=r"C://Users//qindongliang//Desktop//tnstxt//green.txt";   redpath=r"C://Users//qindongliang//Desktop//tnstxt//red.txt";   redset=listtxt(redpath)   greenset=listtxt(greenpath)   print("红色词数量: ",len(redset))   print("绿色词数量: ",len(greenset))   #符合1条件的内容写入   f1=open(r"C:/Users/qindongliang/Desktop/tnstxt/result//"+detailpath+"//1.txt",encoding="UTF-8",mode="a+")   #符合2条件的内容写入   f2=open(r"C:/Users/qindongliang/Desktop/tnstxt/result//"+detailpath+"//2.txt",encoding="UTF-8",mode="a+")   #符合3条件的内容写入   f3=open(r"C:/Users/qindongliang/Desktop/tnstxt/result//"+detailpath+"//3.txt",encoding="UTF-8",mode="a+")   #符合4条件的内容写入   f4=open(r"C:/Users/qindongliang/Desktop/tnstxt/result//"+detailpath+"//4.txt",encoding="UTF-8",mode="a+")      delcount=1;   f=open(path,encoding="UTF-8",mode="r+")   fnew=open(outpathname,encoding="UTF-8",mode="a+")   flog=open(outpathname+".log",encoding="UTF-8",mode="a+")   #count=1;   for line in f:     list=line.strip().split("/t")     line=line.strip()     catalogid=list[0]     score=list[1]     keyword=clear(list[4].strip())     if keyword in redset:       if catalogid.startswith("018022") or catalogid.startswith("018035") or catalogid.startswith("014023003") :         f1.write(line+"/n")#符合1条件写入         fnew.write(line+"/n")#符合1条件写入       else:         flog.write(line+"  不符合条件1 "+"/n")         delcount=delcount+1      if keyword in greenset:       if not (catalogid.startswith("018022") or catalogid.startswith("018035") or catalogid.startswith("014023003")) :         fnew.write(line+"/n")       else:         f2.write(line+"/n")         flog.write(line+"  不符合条件2"+"/n")         delcount=delcount+1       flist=formatStrList(keyword)     if "sexy" in flist or "sex" in flist:       if catalogid.startswith("018022") or catalogid.startswith("018035") or catalogid.startswith("014023003") :         f3.write(line+"/n")         fnew.write(line+"/n")       else:         flog.write(line+" 不符合条件3"+"/n")         delcount=delcount+1      #if (keyword.find("underwear")!=-1) & keyword.find("sexy")==-1 & keyword.find("sex")==-1:     if "underwear" in flist and "sexy" not in flist and "sex" not in flist:       if catalogid.startswith("014032") :         f4.write(line+"/n")         fnew.write(line+"/n")       else:         flog.write(line+" 不符合条件4"+"/n")         delcount=delcount+1      #print(list[0]," ",list[1]," ",list[4])     #print()      flog.write("删除总数目： "+str(delcount))   f.close()   f1.close()   f2.close()   f3.close()   f4.close()   fnew.close()   flog.close()  import re def clear(str):   str=re.sub("[/"/"/'/'+]","",str)   return str   def formatStrList(keyword):   list=keyword.split(" ")   for item in list:     item.strip();   return list     def listtxt(path):    f=open(path,encoding="UTF-8")    s=set()    for line in f:      s.add(line.strip())    f.close()    return s  path1=r"C://Users//qindongliang//Desktop//tnstxt//highfrequency.txt" pathout1=r"C://Users//qindongliang//Desktop//tnstxt//detail//a_highfrequency.txt" detail1path="highfrequency" path2=r"C://Users//qindongliang//Desktop//tnstxt//highfrequency_d1.txt" pathout2=r"C://Users//qindongliang//Desktop//tnstxt//detail//b_highfrequency_d1.txt" detail2path="highfrequency_d1"  #showtxt(path1,pathout1,detail1path)  showtxt(path2,pathout2,detail2path)