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| author | Stuart Bishop <stuart@stuartbishop.net> | 2011-11-04 17:32:42 +0700 |
|---|---|---|
| committer | Stuart Bishop <stuart@stuartbishop.net> | 2011-11-04 17:32:42 +0700 |
| commit | 391f15a4a31b2114d53ae5510e1c6ffe0043876c (patch) | |
| tree | 6263c45f8fd8867c362e342550c36eec0b8e5af0 | |
| parent | b3525169cedd766f0ee2d73672108c0720913dae (diff) | |
| download | pytz-391f15a4a31b2114d53ae5510e1c6ffe0043876c.tar.gz | |
Detect bad dst value from crossing the international date time and correct
| -rw-r--r-- | src/pytz/tzfile.py | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/pytz/tzfile.py b/src/pytz/tzfile.py index 05944da..9c007c8 100644 --- a/src/pytz/tzfile.py +++ b/src/pytz/tzfile.py @@ -97,7 +97,9 @@ def build_tzinfo(zone, fp): break dst = inf[0] - prev_inf[0] # dst offset - if dst <= 0: # Bad dst? Look further. + # Bad dst? Look further. DST > 24 hours happens when + # a timzone has moved across the international dateline. + if dst <= 0 or dst > 3600*3: for j in range(i+1, len(transitions)): stdinf = ttinfo[lindexes[j]] if not stdinf[1]: |