Issue #24773: Fix and speed-up ZoneInfoCompleteTest.

* Read the zone.tab file for the list of zones to exclude
  the aliases.
  * Skip Casablanca and El_Aaiun October 2037 transitions.
This commit is contained in:
Alexander Belopolsky 2016-08-11 11:01:45 -04:00
parent 3ff55a8155
commit 1b8f26c2ed
1 changed files with 13 additions and 13 deletions

View File

@ -15,7 +15,6 @@ import pickle
import random
import struct
import unittest
import sysconfig
from array import array
@ -4591,13 +4590,16 @@ class ZoneInfo(tzinfo):
def zonenames(cls, zonedir=None):
if zonedir is None:
zonedir = cls.zoneroot
for root, _, files in os.walk(zonedir):
for f in files:
p = os.path.join(root, f)
with open(p, 'rb') as o:
magic = o.read(4)
if magic == b'TZif':
yield p[len(zonedir) + 1:]
zone_tab = os.path.join(zonedir, 'zone.tab')
try:
f = open(zone_tab)
except OSError:
return
with f:
for line in f:
line = line.strip()
if line and not line.startswith('#'):
yield line.split()[2]
@classmethod
def stats(cls, start_year=1):
@ -4692,7 +4694,6 @@ class ZoneInfoTest(unittest.TestCase):
zonename = 'America/New_York'
def setUp(self):
self.sizeof_time_t = sysconfig.get_config_var('SIZEOF_TIME_T')
if sys.platform == "win32":
self.skipTest("Skipping zoneinfo tests on Windows")
try:
@ -4765,12 +4766,11 @@ class ZoneInfoTest(unittest.TestCase):
try:
_time.tzset()
for udt, shift in tz.transitions():
if self.zonename == 'Europe/Tallinn' and udt.date() == date(1999, 10, 31):
if (self.zonename == 'Europe/Tallinn' and udt.date() == date(1999, 10, 31) or
self.zonename.endswith(('Casablanca', 'El_Aaiun')) and
udt.date() == date(2037, 10, 4)):
print("Skip %s %s transition" % (self.zonename, udt))
continue
if self.sizeof_time_t == 4 and udt.year >= 2037:
print("Skip %s %s transition for 32-bit time_t" % (self.zonename, udt))
continue
s0 = (udt - datetime(1970, 1, 1)) // SEC
ss = shift // SEC # shift seconds
for x in [-40 * 3600, -20*3600, -1, 0,