byp4a55 professor6T9

Linux sonniq.ru 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 UTC 2025 x86_64
Apache/2.4.52 (Ubuntu)
127.0.0.1

test_tzhelper.py

# # Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.

"""
Tests for L{twisted.python._tzhelper}.
"""

from os import environ

try:
    from time import tzset as _tzset
except ImportError:
    tzset = None
else:
    tzset = _tzset

from datetime import timedelta
from time import mktime as mktime_real

from twisted.python._tzhelper import FixedOffsetTimeZone
from twisted.trial.unittest import SkipTest, TestCase

# On some rare platforms (FreeBSD 8?  I was not able to reproduce
# on FreeBSD 9) 'mktime' seems to always fail once tzset() has been
# called more than once in a process lifetime.  I think this is
# just a platform bug, so let's work around it.  -glyph

def mktime(t9):
    """
    Call L{mktime_real}, and if it raises L{OverflowError}, catch it and raise
    SkipTest instead.

@param t9: A time as a 9-item tuple.
    @type t9: L{tuple}

@return: A timestamp.
    @rtype: L{float}
    """
    try:
        return mktime_real(t9)
    except OverflowError:
        raise SkipTest(f"Platform cannot construct time zone for {t9!r}")

def setTZ(name):
    """
    Set time zone.

@param name: a time zone name
    @type name: L{str}
    """
    if tzset is None:
        return

if name is None:
        try:
            del environ["TZ"]
        except KeyError:
            pass
    else:
        environ["TZ"] = name
    tzset()

def addTZCleanup(testCase):
    """
    Add cleanup hooks to a test case to reset timezone to original value.

@param testCase: the test case to add the cleanup to.
    @type testCase: L{unittest.TestCase}
    """
    tzIn = environ.get("TZ", None)

@testCase.addCleanup
    def resetTZ():
        setTZ(tzIn)

class FixedOffsetTimeZoneTests(TestCase):
    """
    Tests for L{FixedOffsetTimeZone}.
    """

def test_tzinfo(self):
        """
        Test that timezone attributes respect the timezone as set by the
        standard C{TZ} environment variable and L{tzset} API.
        """
        if tzset is None:
            raise SkipTest("Platform cannot change timezone; unable to verify offsets.")

def testForTimeZone(name, expectedOffsetDST, expectedOffsetSTD):
            setTZ(name)

localDST = mktime((2006, 6, 30, 0, 0, 0, 4, 181, 1))
            localSTD = mktime((2007, 1, 31, 0, 0, 0, 2, 31, 0))

tzDST = FixedOffsetTimeZone.fromLocalTimeStamp(localDST)
            tzSTD = FixedOffsetTimeZone.fromLocalTimeStamp(localSTD)

self.assertEqual(tzDST.tzname(localDST), f"UTC{expectedOffsetDST}")
            self.assertEqual(tzSTD.tzname(localSTD), f"UTC{expectedOffsetSTD}")

self.assertEqual(tzDST.dst(localDST), timedelta(0))
            self.assertEqual(tzSTD.dst(localSTD), timedelta(0))

def timeDeltaFromOffset(offset):
                assert len(offset) == 5

sign = offset[0]
                hours = int(offset[1:3])
                minutes = int(offset[3:5])

if sign == "-":
                    hours = -hours
                    minutes = -minutes
                else:
                    assert sign == "+"

return timedelta(hours=hours, minutes=minutes)

self.assertEqual(
                tzDST.utcoffset(localDST), timeDeltaFromOffset(expectedOffsetDST)
            )
            self.assertEqual(
                tzSTD.utcoffset(localSTD), timeDeltaFromOffset(expectedOffsetSTD)
            )

addTZCleanup(self)

# UTC
        testForTimeZone("UTC+00", "+0000", "+0000")
        # West of UTC
        testForTimeZone("EST+05EDT,M4.1.0,M10.5.0", "-0400", "-0500")
        # East of UTC
        testForTimeZone("CEST-01CEDT,M4.1.0,M10.5.0", "+0200", "+0100")
        # No DST
        testForTimeZone("CST+06", "-0600", "-0600")

Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	0/0	0755	2024-11-28 06:10:11
..	dir	-	0/0	0755	2024-11-28 06:10:11
__pycache__	dir	-	0/0	0755	2024-11-28 06:10:12
__init__.py	text/plain	42 B	0/0	0644	2022-02-07 04:12:15
deprecatedattributes.py	text/x-script.python	505 B	0/0	0644	2022-02-07 04:12:15
modules_helpers.py	text/x-script.python	1.76 KB	0/0	0644	2022-02-07 04:12:15
pullpipe.py	text/x-script.python	1.24 KB	0/0	0644	2022-02-07 04:12:15
test_appdirs.py	text/x-script.python	1.05 KB	0/0	0644	2022-02-07 04:12:15
test_components.py	text/x-script.python	25.22 KB	0/0	0644	2022-02-07 04:12:15
test_constants.py	text/x-script.python	36.94 KB	0/0	0644	2022-02-07 04:12:15
test_deprecate.py	text/x-script.python	41.04 KB	0/0	0644	2022-02-07 04:12:15
test_fakepwd.py	text/x-script.python	14.84 KB	0/0	0644	2022-02-07 04:12:15
test_htmlizer.py	text/x-script.python	1.24 KB	0/0	0644	2022-02-07 04:12:15
test_inotify.py	text/x-script.python	3.62 KB	0/0	0644	2022-02-07 04:12:15
test_pydoctor.py	text/x-script.python	6.07 KB	0/0	0644	2022-02-07 04:12:15
test_release.py	text/x-script.python	40.99 KB	0/0	0644	2024-11-22 08:49:41
test_runtime.py	text/x-script.python	7.8 KB	0/0	0644	2022-02-07 04:12:15
test_sendmsg.py	text/x-script.python	10.03 KB	0/0	0644	2022-02-07 04:12:15
test_shellcomp.py	text/x-script.python	20.67 KB	0/0	0644	2022-02-07 04:12:15
test_syslog.py	text/x-script.python	5.04 KB	0/0	0644	2022-02-07 04:12:15
test_systemd.py	text/x-script.python	6.13 KB	0/0	0644	2022-02-07 04:12:15
test_textattributes.py	text/x-script.python	662 B	0/0	0644	2022-02-07 04:12:15
test_tzhelper.py	text/x-script.python	3.71 KB	0/0	0644	2022-02-07 04:12:15
test_url.py	text/x-script.python	28.28 KB	0/0	0644	2022-02-07 04:12:15
test_urlpath.py	text/x-script.python	9.97 KB	0/0	0644	2022-02-07 04:12:15
test_util.py	text/x-script.python	34.07 KB	0/0	0644	2022-02-07 04:12:15
test_versions.py	text/x-script.python	5.12 KB	0/0	0644	2024-11-22 08:49:41
test_win32.py	text/x-script.python	1.97 KB	0/0	0644	2022-02-07 04:12:15
test_zippath.py	text/x-script.python	3.29 KB	0/0	0644	2022-02-07 04:12:15
test_zipstream.py	text/x-script.python	11.8 KB	0/0	0644	2022-02-07 04:12:15

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