From 456b7dde5f862666d82f4e8f48234f08a941fb9a Mon Sep 17 00:00:00 2001 From: Ansgar Burchardt Date: Sat, 26 Mar 2011 17:09:11 +0000 Subject: [PATCH] dakmultiprocessing: close all session Make sure to close all sessions so we do not run out of connections. Before this exceptions in the workers might leave open transactions around. Signed-off-by: Ansgar Burchardt --- daklib/dakmultiprocessing.py | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/daklib/dakmultiprocessing.py b/daklib/dakmultiprocessing.py index 646f3633..ded81a29 100644 --- a/daklib/dakmultiprocessing.py +++ b/daklib/dakmultiprocessing.py @@ -26,6 +26,14 @@ multiprocessing for DAK ############################################################################### import multiprocessing +import sqlalchemy.orm.session + +def _func_wrapper(func, *args, **kwds): + try: + return func(*args, **kwds) + finally: + # Make sure connections are closed. We might die otherwise. + sqlalchemy.orm.session.Session.close_all() class Pool(): def __init__(self, *args, **kwds): @@ -33,7 +41,9 @@ class Pool(): self.results = [] def apply_async(self, func, args=(), kwds={}, callback=None): - self.results.append(self.pool.apply_async(func, args, kwds, callback)) + wrapper_args = list(args) + wrapper_args.insert(0, func) + self.results.append(self.pool.apply_async(_func_wrapper, wrapper_args, kwds, callback)) def close(self): self.pool.close() -- 2.39.2