def from_queue(self, max_date, batch_limit=50, kind=None): from r2.models import is_banned_IP, Account, Thing keep_trying = True min_id = None s = self.queue_table while keep_trying: where = [s.c.date < max_date] if min_id: where.append(s.c.uid > min_id) if kind: where.append(s.c.kind == kind) res = sa.select([ s.c.to_addr, s.c.account_id, s.c.from_name, s.c.fullname, s.c.body, s.c.kind, s.c.ip, s.c.date, s.c.uid, s.c.msg_hash, s.c.fr_addr, s.c.reply_to ], sa.and_(*where), order_by=s.c.uid, limit=batch_limit).execute() res = res.fetchall() if not res: break # batch load user accounts aids = [x[1] for x in res if x[1] > 0] accts = Account._byID(aids, data=True, return_dict=True) if aids else {} # batch load things tids = [x[3] for x in res if x[3]] things = Thing._by_fullname(tids, data=True, return_dict=True) if tids else {} # make sure no IPs have been banned in the mean time ips = set(x[6] for x in res) ips = dict((ip, is_banned_IP(ip)) for ip in ips) # get the lower bound date for next iteration min_id = max(x[8] for x in res) # did we not fetch them all? keep_trying = (len(res) == batch_limit) for (addr, acct, fname, fulln, body, kind, ip, date, uid, msg_hash, fr_addr, reply_to) in res: yield (accts.get(acct), things.get(fulln), addr, fname, date, ip, ips[ip], kind, msg_hash, body, fr_addr, reply_to)
def from_queue(self, max_date, batch_limit = 50, kind = None): from r2.models import is_banned_IP, Account, Thing keep_trying = True min_id = None s = self.queue_table while keep_trying: where = [s.c.date < max_date] if min_id: where.append(s.c.uid > min_id) if kind: where.append(s.c.kind == kind) res = sa.select([s.c.to_addr, s.c.account_id, s.c.from_name, s.c.fullname, s.c.body, s.c.kind, s.c.ip, s.c.date, s.c.uid, s.c.msg_hash, s.c.fr_addr, s.c.reply_to], sa.and_(*where), order_by = s.c.uid, limit = batch_limit).execute() res = res.fetchall() if not res: break # batch load user accounts aids = [x[1] for x in res if x[1] > 0] accts = Account._byID(aids, data = True, return_dict = True) if aids else {} # batch load things tids = [x[3] for x in res if x[3]] things = Thing._by_fullname(tids, data = True, return_dict = True) if tids else {} # make sure no IPs have been banned in the mean time ips = set(x[6] for x in res) ips = dict((ip, is_banned_IP(ip)) for ip in ips) # get the lower bound date for next iteration min_id = max(x[8] for x in res) # did we not fetch them all? keep_trying = (len(res) == batch_limit) for (addr, acct, fname, fulln, body, kind, ip, date, uid, msg_hash, fr_addr, reply_to) in res: yield (accts.get(acct), things.get(fulln), addr, fname, date, ip, ips[ip], kind, msg_hash, body, fr_addr, reply_to)