代码：
#------------------------------------------------------------------------------------
# torrentParser1.04，用于解析torrent文件
# 增加了函数getMegnet,能将种子文件转磁力链
# 2018年5月13日
#------------------------------------------------------------------------------------
from bencode import bdecode,bencode
import time
import hashlib
import base64
#-------------------------------------
# torrentParser类
#-------------------------------------
class torrentParser(object):
# 构造函数
def init(self,filePathname):
self.filePathname=filePathname
with open(filePathname,'rb') as fObj:
self.fileDic=bdecode(fObj.read())
# 得到文件路径名
def getFilepathname(self):
return self.filePathname
# 得到所有键值
def getKeys(self):
return self.fileDic.keys()
# 得到全部内容
def getAllContent(self):
return self.fileDic;
# 得到文件结构
def getStructure(self):
retval=''
layer=0
for key in self.fileDic.keys():
value=self.fileDic【key】
retval=retval+self.getNextNode(key,value,layer)
return retval
# 向下递归查找文件结构,
def getNextNode(self,key,value,layer):
retval="";
layer+=1
if type(value)==type({}) and len(value.keys())>0:
for i in range(1,layer+1):
retval=retval+"\t"
retval=retval+str(key)+"\n"
for k in value.keys():
v=value【k】
retval=retval+ self.getNextNode(k,v,layer)
elif type(value)==type(【】) and len(value)>0:
for i in range(1,layer+1):
//代码效果参考：http://hnjlyzjd.com/xl/wz_24419.html
retval=retval+"\t"retval=retval+str(key)+"\n"
arr=value
for it in arr:
if type(it)==type({}) and len(it.keys())>0:
for nk in it.keys():
nv=it【nk】
retval=retval+''+self.getNextNode(nk,nv,layer)
else:
for i in range(1,layer+1):
retval=retval+"\t"
showValue=str(value)【0:50】 # 显示的值
retval=retval+str(key)+":"+showValue+"\n"
return retval
# 获得tracker服务器的URL
def getAnnounce(self):
if 'announce' in self.fileDic:
return self.fileDic【'announce'】.decode('utf-8','ignore')
return ''
# 获得tracker服务器的URL列表
def getAnnounceList(self):
retval=【】
if 'announce-list' in self.fileDic:
arr=self.fileDic【'announce-list'】
for childArr in arr:
if type(childArr)==type(【】):
for item in childArr:
retval.append(item.decode('utf-8','ignore'))
else:
retval.append(childArr.decode('utf-8','ignore'))
return retval
# 得到制作日期
def getCreateTime(self):
if 'creation date' in self.fileDic:
unixTimestamp=self.fileDic【'creation date'】
firmalTime = time.localtime(unixTimestamp)
dt = time.strftime('%Y-%m-%d %H:%M:%S', firmalTime)
return dt
else:
return ''
# 获得编码方式
def getEncoding(self):
if 'encoding' in self.fileDic:
return self.fileDic【'encoding'】.decode('utf-8','ignore')
return ''
# 是否包含多个文件
def hasMultiFiles(self):
if 'files' in self.fileDic【'info'】:
return True
else:
return False
# 获得文件名
def getTitle(self):
arr=【】
info = self.fileDic【'info'】
if 'name.utf-8' in info:
arr=info【'name.utf-8'】
else:
arr = info【'name'】
#print(str(arr))
return arr.decode('utf-8','ignore')
# 获得备注(可选项)
def getComment(self):
if 'comment' in self.fileDic:
return self.fileDic【'comment'】.decode('utf-8','ignore')
return ''
# 获得创建者(可选项)
def getCreatedBy(self):
if 'created by' in self.fileDic:
return self.fileDic【'created by'】.decode('utf-8','ignore')
return ''
# 多文件的情况下，得到多个文件的个数
def getFileCount(self):
return len(self.fileDic【'info'】【'files'】)
# 多文件的情况下，获得所有文件
def getFiles(self):
files=【】
for item in self.fileDic【'info'】【'files'】:
file={}
for key in item.keys():
value=item.get(key)
if key=='path':
#print('1.'+str(value))
#print('10.'+str(value【0】))
path=value【0】.decode('utf8','ignore')
value=path
if key=='path.utf-8':
#print('2.'+str(value))
#print('20.'+str(value【0】))
path=value【0】.decode('utf8','ignore')
value=path
file【key】=value
files.append(file)
return files
# 单文件情况下，取文件名
def getSingleFileName(self):
return self.getTitle();
# 单文件情况下，取文件长度
def getSingleFileLength(self):
return self.fileDic【'info'】【'length'】
# 单文件情况下，取文件md5sum
def getSingleFileMd5sum(self):
if 'md5sum' in self.fileDic【'info'】:
return self.fileDic【'info'】【'md5sum'】.decode('utf-8','ignore')
else:
return ''
# 单文件情况下，取文件长度
def getSingleFilePieceLength(self):
return self.fileDic【'info'】【'piece length'】
# 单文件情况下，取文件pieces
def getSingleFilePieces(self):
return self.fileDic【'info'】【'pieces'】
# 得到文件简报
def getBrief(self):
retval=""
retval=retval+"File:"+self.filePathname+"\n"
retval=retval+"announce:"+self.getAnnounce()+"\n"
arr=self.getAnnounceList()
if(len(arr)>0):
retval=retval+"announce list:"+"\n"
for it in arr:
retval=retval+"\t"+it+"\n"
retval=retval+"Create time:"+self.getCreateTime()+"\n"
retval=retval+"Ecoding:"+self.getEncoding()+"\n"
retval=retval+"Title:"+self.getTitle()+"\n"
retval=retval+"Comment:"+self.getComment()+"\n"
retval=retval+"Created by:
