import py
import re
import datetime
from dateutil import parser

logrex = re.compile(
    r'(?P<date>.*:\d\d \d\d\d\d) (?P<pid>\(\d*\)) (?P<msg>.*)')

newrex = re.compile(
    r'(?P<list>.*): new (\(digest\) )?"?(?P<email>[^ ]*)"? [<\(](?P<name>.*)[>/)](, (?P<how>.*))?')

deleterex = re.compile(
    r'(?P<list>.*): deleted (?P<email>[^ ;]*)(; (?P<how>.*))?')

def extract_date(date):
    date = parser.parse(date)
    return "%02d/%02d/%02d" % (date.year, date.month, date.day)

displaylists = "pypy-dev pypy-svn".split()

if __name__ == '__main__':
    subscribed = {}
    lines = py.path.local(py.std.sys.argv[1]).readlines()
    lastdate = ''
    for line in lines:
        m = logrex.match(line)
        if m is None:
            pass
            #print "did not match", line
        else:
            gdict = m.groupdict()
            msg = gdict['msg']
            date = extract_date(gdict['date'])
            if lastdate == '':
                lastdate = date
            if lastdate != date:
                pattern = "%s" + ", %s" * len(displaylists)
                print pattern % (
                    (lastdate, ) +
                    tuple([len(subscribed.get(dl, [])) for dl in displaylists]))
                lastdate = date
            m2 = newrex.match(msg)
            if m2 is not None:
                gdict = m2.groupdict()
                if gdict['list'] not in subscribed:
                    subscribed[gdict['list']] = set()
                subscribed[gdict['list']].add(gdict['email'])
#                print date, "add", len(subscribed), gdict['list'], len(subscribed[gdict['list']])
                continue
            m2 = deleterex.match(msg)
            if m2 is not None:
                gdict = m2.groupdict()
                if gdict['list'] not in subscribed:
#                    print "missing!"
                    continue
                subscribed[gdict['list']].discard(gdict['email'])
                continue