lucasdavila

# see the current limits
$ sysctl -a | grep maxproc

# increase it
$ sudo sysctl -w kern.maxproc=xxxx
$ sudo sysctl -w kern.maxprocperuid=xxx

# run at startup
$ sudo vim /etc/sysctl.conf

codeb2cc

# -*- coding: utf-8 -*-

from sqlalchemy.exc import IntegrityError
from sqlalchemy.sql.expression import ClauseElement

def _get_or_create(session, model, defaults=None, **kwargs):
    try:
        query = session.query(model).filter_by(**kwargs)

        instance = query.first()