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gh-83861: Fix datetime.astimezone() method (GH-101545)

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Alexander Belopolsky 2023-04-19 17:02:29 -04:00 • committed by GitHub
parent d4aa8578b1
commit 2b1260c557
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4 changed files with 29 additions and 2 deletions
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18
Modules/_datetimemodule.c
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@ -6153,17 +6153,31 @@ local_to_seconds(int year, int month, int day,
static PyObject *
local_timezone_from_local(PyDateTime_DateTime *local_dt)
{
long long seconds;
long long seconds, seconds2;
time_t timestamp;
int fold = DATE_GET_FOLD(local_dt);
seconds = local_to_seconds(GET_YEAR(local_dt),
GET_MONTH(local_dt),
GET_DAY(local_dt),
DATE_GET_HOUR(local_dt),
DATE_GET_MINUTE(local_dt),
DATE_GET_SECOND(local_dt),
DATE_GET_FOLD(local_dt));
fold);
if (seconds == -1)
return NULL;
seconds2 = local_to_seconds(GET_YEAR(local_dt),
GET_MONTH(local_dt),
GET_DAY(local_dt),
DATE_GET_HOUR(local_dt),
DATE_GET_MINUTE(local_dt),
DATE_GET_SECOND(local_dt),
!fold);
if (seconds2 == -1)
return NULL;
/* Detect gap */
if (seconds2 != seconds && (seconds2 > seconds) == fold)
seconds = seconds2;
/* XXX: add bounds check */
timestamp = seconds - epoch;
return local_timezone_from_timestamp(timestamp);