import sys, os, _codecs

class Blob(object):
    write = os.write
    encode = _codecs.ascii_encode
    remaining = set()

    def __init__(self, name):
        self.name = name
        self.remaining.add(name)

    def __del__(self):
        self.remaining.discard(self.name)
        tmp = "# purge/gc %s %s\n" % (self.name, self.remaining.__len__())
        if self.remaining.__len__() <= 5:
            tmp += "# remaining %s\n" % self.remaining
        self.write(2, self.encode(tmp)[0])

for name, mod in sys.modules.items():
    mod.__dict__["__blob__"] = Blob(name)
del name, mod