from traceback import format_exc
import logging

from django.db import transaction

from parser.models import Error

def log_errors(real_func):
    @transaction.commit_manually
    def func(*args, **kwargs):
        transaction.commit()
        try:
            result = real_func(*args, **kwargs)
        except Exception, ex:
            transaction.rollback()
            Error.objects.create(message=format_exc(), args=args, kwargs=kwargs)
            logging.error('', exc_info=ex)
            transaction.commit()
            return None
        else:
            transaction.commit()
        return result
    return func