twisted搭建ftp server

from twisted.protocols import ftp

from twisted.cred import portal,checkers

from zope.interface import implements

from twisted.python import filepath

# 关于的FTPRealm类的具体信息，请去C:\Python25\Lib\site-packages\twisted\cred\protal.py文件中寻找

class MyFTPRealm:

implements(portal.IRealm)

def __init__(self, anonymousRoot):

self.anonymousRoot = filepath.FilePath(anonymousRoot)

self.dir = {'lilei':'D:\\xls','username':'D:\\word-process'}

def requestAvatar(self, avatarId, mind, *interfaces):

for iface in interfaces:

if iface is ftp.IFTPShell:

if avatarId is checkers.ANONYMOUS:

avatar = ftp.FTPAnonymousShell(self.anonymousRoot)

else:

user_dir = self.dir[avatarId]

avatar = ftp.FTPShell(filepath.FilePath(user_dir))

return ftp.IFTPShell, avatar, \

getattr(avatar, 'logout', lambda: None)

raise NotImplementedError(\

"Only IFTPShell interface is supported by this realm")

# 这个./表示本地路径，是匿名用户的默认文件夹

# 关于的

Portal

类的具体信息，请去C:\Python25\Lib\site-packages\twisted\cred\protal.py 文件中寻找

p = portal.Portal(MyFTPRealm('./'))

p.registerChecker(checkers.AllowAnonymousAccess())

# user.db文件是所有非匿名用户的用户名和密码，格式如下

# lilei:password

# username:hanmeimei

p.registerChecker(checkers.FilePasswordDB("user.db"))

f = ftp.FTPFactory(p)

from twisted.internet import reactor

reactor.listenTCP(21, f)

reactor.run()