From b84d6ed07f8acf2ab25be2b31c64480ac3be66f6 Mon Sep 17 00:00:00 2001 From: Brian Warner Date: Tue, 17 Apr 2007 20:29:08 -0700 Subject: [PATCH] encode: fix multi-segment uploads: lambdas inside for loops require special attention to make sure you are capturing the *value* of the loop variable and not just the slot it lives in --- src/allmydata/encode.py | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/src/allmydata/encode.py b/src/allmydata/encode.py index 5b74f107..3731999d 100644 --- a/src/allmydata/encode.py +++ b/src/allmydata/encode.py @@ -151,7 +151,11 @@ class Encoder(object): d = defer.succeed(None) for i in range(self.num_segments-1): - d.addCallback(lambda res: self.do_segment(i)) + # note to self: this form doesn't work, because lambda only + # captures the slot, not the value + #d.addCallback(lambda res: self.do_segment(i)) + # use this form instead: + d.addCallback(lambda res, i=i: self.do_segment(i)) d.addCallback(lambda res: self.do_tail_segment(self.num_segments-1)) d.addCallback(lambda res: self.send_all_subshare_hash_trees()) -- 2.45.2