WEB邮件程序

开发平台：
Python

fetchmail.py：源码内容
							from poplib import POP3
from mailbox import UnixMailbox, _Subfile
from string import split
try: from cStringIO import StringIO
except: from StringIO import StringIO
from Message import Message
import string, os
from bobomailrc import *
class Mailbox(UnixMailbox):
	def __init__(self, filename):
		self.fp = None
		self.seekp = 0
		self.filename = filename
		self.connected = 0
	def __del__(self):
		try: self.fp.close()
		except: pass
		
	def open(self, auth):
		self.fp = open(self.filename)
		self.auth = auth
		self.parse()
		self.connected = 1
	def parse(self):
		self.msgs = []
		while 1:
			m = self.next()
			if not m: break
			m.unique_num = len(self.msgs)
			self.msgs.append(m)
	def __len__(self):
		return len(self.msgs)
	def __getitem__(self, index):
		if type(index) == type(()): index, preview = index
		else: preview = false
		if not preview: self.msgs[index].parse()
		return self.msgs[index]
	def __delitem__(self, index):
		newfn = "%s.new" % self.filename
		new = MailboxList(newfn)
		for i in range(len(self)):
			if i <> index:
				new.append(self[i])
		os.remove(self.filename)
		os.rename(newfn, self.filename)
		self.msgs = new.msgs
		self.fp = new.fp
	def next(self):
		while 1:
			self.fp.seek(self.seekp)
			try:
				self._search_start()
			except EOFError:
				self.seekp = self.fp.tell()
				return None
			start = self.fp.tell()
			self._search_end()
			self.seekp = stop = self.fp.tell()
			if start <> stop: break
		return Message(_Subfile(self.fp, start, stop), preview=1)
	def append(self, msg):
		self.fp.seek(1,2)
		if self.fp.read(1) <> 'n':
			self.fp.write('n')
		self.fp.write(msg.unixfrom)
		self.fp.write(str(msg))
	def close(self): pass
class MailSpool(Mailbox):
	def __init__(self):
		Mailbox.__init__(self, "")
	def open(self, auth):
		self.filename = "/var/spool/mail/%s" % auth.userid
		Mailbox.open(self, auth)
class UserMailbox(Mailbox):
	def open(self, auth):
		self.filename = "%s/%s.%s" % (user_dir, auth.userid, self.filename)
		Mailbox.login(self, auth)
class POP3Box:
	def __init__(self): self.connected = 0
	def open(self, auth):
		self.con = POP3(pop3_host)
		self.con.user(auth.userid)
		self.con.pass_(auth.password)
		self.connected = 1
	def close(self):
		if self.connected:
			self.con.quit()
			self.connected = 0
			
	def __del__(self):
		try: self.close()
		except: pass
		
	def __len__(self):
		return self.con.stat()[0]
	
	def __getitem__(self, index):
		if type(index) == type(()): index, preview = index
		else: preview = false
		index = index + 1
		if preview:
			m = Message(StringIO(string.join(self.con.top(index, 0)[1], "n")), preview)
		else: m = Message(StringIO(string.join(self.con.retr(index)[1], "n")), preview)
		m.unique_num = index - 1
		return m
	def __delitem__(self, index):
		self.con.dele(index + 1)
	
class IMAP4Box:
	def __init__(self):
		self.connected = 0
	def open(self, auth):
		self.auth = auth
		self.con = IMAP4(imap4_host)
		self.con.login(auth.userid, auth.password)
		self.connected = 1
	def close(self):
		if self.connected:
			self.con.close()
			self.con.logout()
			self.connected = 0
			
	def __del__(self):
		try: self.close()
		except: pass
	def __len__(self):
	    resp = self.mailbox.select()
	    resp, data = self.mailbox.search(None, "ALL")
	    return len(split(data[0]))
	def __delitem__(self, index):
		if type(index) == type(()): index, preview = index
		else: preview = false
	def __getitem__(self, index):
		if type(index) == type(()): index, preview = index
		else: preview = false
		resp = self.mailbox.select()
		resp, data = self.mailbox.search(None, "ALL")
		entries = split(data[0])
		index = entries[index-1]
		resp, data = self.mailbox.fetch(index, '(RFC822)')
		buf = data[0][1]
		return Message(StringIO(buf))
#if __name__ == "__main__":
	#class Auth: userid = "guest"
	#from auth import POP3Authentication
	#a = POP3Authentication()
	#a.login(auth_host, "guest", "guest")
	#a.relogin(a.hash)
	#ml = POP3Box()
	#ml.login(a)
	#for x in ml: print x.headers

						