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| author | Bob Halley <halley@dnspython.org> | 2020-08-31 10:01:10 -0700 |
|---|---|---|
| committer | Bob Halley <halley@dnspython.org> | 2020-09-02 07:29:26 -0700 |
| commit | 97e0a7b9039f18f51fa5813fcf231b6111da319e (patch) | |
| tree | 8ec4cd9fb3b1b2d234468cd5c12f5e3560353a6d | |
| parent | 2af6ea36dffc57504319c3b373cb589bb40194e2 (diff) | |
| download | dnspython-97e0a7b9039f18f51fa5813fcf231b6111da319e.tar.gz | |
deal with all zero weight URI case
| -rw-r--r-- | dns/rdtypes/util.py | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/dns/rdtypes/util.py b/dns/rdtypes/util.py index c2fb603..ddc4c67 100644 --- a/dns/rdtypes/util.py +++ b/dns/rdtypes/util.py @@ -240,6 +240,11 @@ def weighted_processing_order(iterable, adjust_zero_weight=False): weight = _processing_weight(rdata, adjust_zero_weight) weights.remove(weight) ordered.append(rdatas[0]) + elif weights[0] == 0: + # All the weights are 0! (This can't happen with SRV, but + # can with URI. It's not clear from the URI RFC what you do here + # as it doesn't discuss weight. + return [] else: random.shuffle(rdatas) ordered.extend(rdatas) |