blocklists_simple.py 文件源码

def fetch():
    a = IPSet([])
    for blocklist in blocklists:
        r = requests.get(blocklist)
        for line in r.iter_lines():
            if linefilter(line):
                a.add(makeprefix(linefilter(line)))

    for prefix in b:
        if b.len() > 0 and b.__contains__(prefix) and not a.__contains__(prefix):
            a.discard(prefix)
            stdout.write('withdraw route ' + str(prefix) + nexthop)
            stdout.flush()

    for prefix in a:
        if a.__contains__(prefix) and not b.__contains__(prefix):
            stdout.write('announce route ' + str(prefix) + nexthop)
            stdout.flush()

    b.add(a)