scoremsg.py

用python实现的邮件过滤器

#! /usr/bin/env python
"""Score a message provided on stdin and show the evidence."""

import sys
import email
import locale
from types import UnicodeType

import ZODB
from ZEO.ClientStorage import ClientStorage

import pspam.database
from spambayes.Options import options
from spambayes.tokenizer import tokenize

try:
    True, False
except NameError:
    # Maintain compatibility with Python 2.2
    True, False = 1, 0


def main(fp):
    charset = locale.getdefaultlocale()[1]
    if not charset:
        charset = 'us-ascii'

    db = pspam.database.open()
    r = db.open().root()

    p = r["profile"]

    msg = email.message_from_file(fp)
    prob, evidence = p.classifier.spamprob(tokenize(msg), True)
    print "Score:", prob
    print
    print "Clues"
    print "-----"
    for clue, prob in evidence:
        if isinstance(clue, UnicodeType):
            clue = clue.encode(charset, 'replace')
        print clue, prob
##    print
##    print msg

if __name__ == "__main__":
    main(sys.stdin)