[Mailman-Users] patch implementing FIFO for mailman queue in 2.0.13

[Myk Melez]

The mailman FAQ (http://www.python.org/cgi-bin/faqw-mm.py?req=all#6.6) 
says about the incoming message queue processor: "It's STILL not FIFO 
(and this is why replies get seen before messages being replied to, and 
why digests have messages scrambles; Barry and I have talked at length 
about this and the queueing should be FIFO in 2.1"

Here's a small patch for qrunner in mailman 2.0.13 that makes it process 
the mail queue in first-in-first-out order (FIFO) rather than randomly:

--- qrunner.orig        Fri Jan 23 13:51:01 2004
+++ qrunner     Fri Apr 16 12:21:35 2004
@@ -190,7 +190,9 @@
    t0 = time.time()
    msgcount = 0
    allkids = {}
-    for file in os.listdir(mm_cfg.QUEUE_DIR):
+    files = os.listdir(mm_cfg.QUEUE_DIR)
+    files.sort(lambda 
x,y:cmp(os.path.getmtime(os.path.join(mm_cfg.QUEUE_DIR, x)), 
os.path.getmtime(os.path.join(mm_cfg.QUEUE_DIR, y))))
+    for file in files:
        # Keep the qrunner lock alive for a while longer
        lock.refresh()
        root, ext = os.path.splitext(os.path.join(mm_cfg.QUEUE_DIR, file))

It seems to work, but is there anything I'm missing that depends on the 
old behavior and will break with this patch applied?

-myk

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