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Reimplemented datetime.now() to be useful.

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This commit is contained in:
Tim Peters 2003-01-23 19:58:02 +00:00
parent 250684ddd8
commit 10cadce41e
4 changed files with 62 additions and 17 deletions
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22
Lib/test/test_datetime.py
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@ -2228,7 +2228,7 @@ class TestDateTimeTZ(TestDateTime, TZInfoBase):
# Try with and without naming the keyword.
off42 = FixedOffset(42, "42")
another = meth(off42)
again = meth(tzinfo=off42)
again = meth(tz=off42)
self.failUnless(another.tzinfo is again.tzinfo)
self.assertEqual(another.utcoffset(), timedelta(minutes=42))
# Bad argument with and w/o naming the keyword.
@ -2239,6 +2239,24 @@ class TestDateTimeTZ(TestDateTime, TZInfoBase):
# Too many args.
self.assertRaises(TypeError, meth, off42, off42)
# We don't know which time zone we're in, and don't have a tzinfo
# class to represent it, so seeing whether a tz argument actually
# does a conversion is tricky.
weirdtz = FixedOffset(timedelta(hours=15, minutes=58), "weirdtz", 0)
utc = FixedOffset(0, "utc", 0)
for dummy in range(3):
now = datetime.now(weirdtz)
self.failUnless(now.tzinfo is weirdtz)
utcnow = datetime.utcnow().replace(tzinfo=utc)
now2 = utcnow.astimezone(weirdtz)
if abs(now - now2) < timedelta(seconds=30):
break
# Else the code is broken, or more than 30 seconds passed between
# calls; assuming the latter, just try again.
else:
# Three strikes and we're out.
self.fail("utcnow(), now(tz), or astimezone() may be broken")
def test_tzinfo_fromtimestamp(self):
import time
meth = self.theclass.fromtimestamp
@ -2448,7 +2466,7 @@ class TestDateTimeTZ(TestDateTime, TZInfoBase):
f44m = FixedOffset(44, "44")
fm5h = FixedOffset(-timedelta(hours=5), "m300")
dt = self.theclass.now(tzinfo=f44m)
dt = self.theclass.now(tz=f44m)
self.failUnless(dt.tzinfo is f44m)
# Replacing with degenerate tzinfo raises an exception.
self.assertRaises(ValueError, dt.astimezone, fnone)