Python datetime.datetime() Examples

def __getDateTime(cls, value):
        from ..GXDateTime import GXDateTime
        dt = None
        if isinstance(value, (GXDateTime)):
            dt = value
        elif isinstance(value, (datetime, str)):
            dt = GXDateTime(value)
            dt.skip |= DateTimeSkips.MILLISECOND
        else:
            raise ValueError("Invalid date format.")
        return dt

    #
    # Convert date time to DLMS bytes.
    #
    # buff
    # Byte buffer where data is write.
    # value
    # Added value.
    # 

def getGeneralizedTime(cls, dateString):
        year = int(dateString[0:4])
        month = int(dateString[4:6])
        day = int(dateString[6:8])
        hour = int(dateString[8:10])
        minute = int(dateString[10:12])
        #If UTC time.
        if dateString.endsWith("Z"):
            if len(dateString) > 13:
                second = int(dateString[12:14])
            return datetime(year, month, day, hour, minute, second, 0, tzinfo=tzoffset(None, 0))

        if len(dateString) > 17:
            second = int(dateString.substring(12, 14))
        tz = dateString[dateString.length() - 4:]
        return datetime(year, month, day, hour, minute, second, 0, tzinfo=tzoffset(None, tz)) 

def __init__(self, value=None):
        self.extra = DateTimeExtraInfo.NONE
        self.skip = DateTimeSkips.NONE
        self.status = ClockStatus.OK
        self.dayOfWeek = 0
        if isinstance(value, datetime.datetime):
            self.value = value
        elif isinstance(value, str):
            self.value = self.fromString(value)
        elif isinstance(value, GXDateTime):
            self.value = value.value
            self.skip = value.skip
        elif not value:
            self.value = None
        else:
            raise ValueError("Invalid datetime value.") 

def update_records(self, uploaded_file, file_type):
            transactions = []
            for transaction in csv.DictReader(uploaded_file, delimiter=',',):

                # sent transactions
                if file_type == Transaction.TYPES.sent:
                    try:
                        date = time.strptime(transaction['Date'], '%d/%m/%Y %H:%M:%S')
                        date = datetime(*date[:6])
                        transactions.append(Transaction(code=transaction['Code'], date=date, recipient=transaction['Recipient'],
                                                        amount=float(transaction['Amount'].replace(",", "")), type=file_type, phonenumber=PhoneNumber.from_string(transaction['No.'], 'KE')))
                    except NumberParseException:
                        pass

                # received transactions
                if file_type == Transaction.TYPES.received:
                    try:
                        date = time.strptime(transaction['Date'], '%d/%m/%Y %H:%M:%S')
                        date = datetime(*date[:6])
                        transactions.append(Transaction(code=transaction['\xef\xbb\xbf"Code"'], date=date, sent_by=transaction['Sent By'],
                                                        amount=float(transaction['Amount'].replace(",", "")), type=file_type))
                    except NumberParseException:
                        pass

            Transaction.objects.bulk_create(transactions) 

def test_get_status_summary(mock_trial_results):
    """Test the status summary based on the trial results."""
    expected = {
        "SURVIVED": 1,
        "DETECTED": 1,
        "ERROR": 1,
        "UNKNOWN": 1,
        "TIMEOUT": 1,
        "TOTAL RUNS": 5,
        "RUN DATETIME": str(datetime(2019, 1, 1)),
    }

    result = get_status_summary(mock_trial_results)
    print(expected)

    assert result == expected 

def generate_delta_tests():
    test_deltas = {
        '5min': { 'delta': datetime.timedelta(minutes=5), 'pretty': '1:40 PM' },
        '5.5min': { 'delta': datetime.timedelta(minutes=5, seconds=32), 'pretty': '1:40 PM' },
        '10min': { 'delta': datetime.timedelta(minutes=10, seconds=2), 'pretty': '1:45 PM' },
        '2hours': { 'delta': datetime.timedelta(hours=2, seconds=4), 'pretty': '3:35 PM' },
        '14hours': { 'delta': datetime.timedelta(hours=14, seconds=2), 'pretty': '3:35 AM' },
        '24hours': { 'delta': datetime.timedelta(hours=24, minutes=10, seconds=2), 'pretty': 'tomorrow at 1:45 PM' },
        '2days': { 'delta': datetime.timedelta(days=2, minutes=10, seconds=2), 'pretty': 'Sunday at 1:45 PM' },
        '6days': { 'delta': datetime.timedelta(days=6, minutes=10, seconds=2), 'pretty': 'Thursday at 1:45 PM' },
        '7days': { 'delta': datetime.timedelta(days=7, minutes=10, seconds=2), 'pretty': 'Friday the 31st at 1:45 PM' },
        '8days': { 'delta': datetime.timedelta(days=8, minutes=10, seconds=2), 'pretty': 'April 1st at 1:45 PM' },
        '8years': { 'delta': datetime.timedelta(weeks=8*52, days=8, minutes=10, seconds=2), 'pretty': 'March 22nd 2025 at 1:45 PM' },
    }

    for label in test_deltas.keys():
        new_test = generate_test(test_deltas[label]['delta'], test_deltas[label]['pretty'])
        test_name = 'test_' + label
        setattr(PrettyDateTests, test_name, new_test) 

def collect_users_cb(bot, message=None, *args, **kwargs):
    ''' Detect all users and add them to the 'users' table, if not present. Disabled. '''
    LOGGER.info('Beginning user detection.')
    if not bot.known_groups:
        LOGGER.warning('Groups have not been detected, aborting.')
        return
    for group in bot.known_groups:
        for user in group.getParticipants().keys():
            LOGGER.info('User: %s', user)
            bot.cursor.execute('SELECT COUNT(*) FROM users WHERE jid = ?',
                               (user,))
            result = bot.cursor.fetchone()[0]
            if result == 0:
                LOGGER.info('User not yet present in database, adding...')
                currenttime = (datetime.datetime.now() -
                               datetime.datetime(1970, 1, 1)).total_seconds()
                default_timeout = 2 * 60 * 60 # 2 hours
                bot.cursor.execute('''INSERT INTO USERS
                    (jid, lastactive, timeout, admin) VALUES (?, ?, ?, ?)
                ''', (user, currenttime, default_timeout, False))
                LOGGER.info('User added.')
            else:
                LOGGER.info('User present.')
        bot.conn.commit() 

def on_save(self, button):
        """
        Save and exit.
        """


        vcal = icalendar.Calendar()
        event = icalendar.Event()
        event['uid'] = self.calendar + str(uuid.uuid1())
        # event['dtstart'] = self._datetime_to_ical(datetime.datetime(2016,5,15))
        # event['dtend'] = self._datetime_to_ical(datetime.datetime(2016,5,15))
        event['summary'] = self.msg.edit_text
        vcal.add_component(event)       

        
        logging.debug("EventWidget:on_save:vcal: {}".format(vcal.to_ical()))
        r = self.server.add_event(vcal.to_ical(), self.calendar)
        logging.debug("EventWidget:on_save:add_event: {}".format(r))
        raise urwid.ExitMainLoop() 

def CheckConvertTimestampMicrosecondPadding(self):
        """
        http://bugs.python.org/issue14720

        The microsecond parsing of convert_timestamp() should pad with zeros,
        since the microsecond string "456" actually represents "456000".
        """

        con = sqlite.connect(":memory:", detect_types=sqlite.PARSE_DECLTYPES)
        cur = con.cursor()
        cur.execute("CREATE TABLE t (x TIMESTAMP)")

        # Microseconds should be 456000
        cur.execute("INSERT INTO t (x) VALUES ('2012-04-04 15:06:00.456')")

        # Microseconds should be truncated to 123456
        cur.execute("INSERT INTO t (x) VALUES ('2012-04-04 15:06:00.123456789')")

        cur.execute("SELECT * FROM t")
        values = [x[0] for x in cur.fetchall()]

        self.assertEqual(values, [
            datetime.datetime(2012, 4, 4, 15, 6, 0, 456000),
            datetime.datetime(2012, 4, 4, 15, 6, 0, 123456),
        ]) 

def writeValue(self, value):
        if isinstance(value, (str, unicode)):
            self.simpleElement("string", value)
        elif isinstance(value, bool):
            # must switch for bool before int, as bool is a
            # subclass of int...
            if value:
                self.simpleElement("true")
            else:
                self.simpleElement("false")
        elif isinstance(value, (int, long)):
            self.simpleElement("integer", "%d" % value)
        elif isinstance(value, float):
            self.simpleElement("real", repr(value))
        elif isinstance(value, dict):
            self.writeDict(value)
        elif isinstance(value, Data):
            self.writeData(value)
        elif isinstance(value, datetime.datetime):
            self.simpleElement("date", _dateToString(value))
        elif isinstance(value, (tuple, list)):
            self.writeArray(value)
        else:
            raise TypeError("unsuported type: %s" % type(value)) 

def test_pickling_subclass(self):
        # Make sure we can pickle/unpickle an instance of a subclass.
        offset = timedelta(minutes=-300)
        orig = PicklableFixedOffset(offset, 'cookie')
        self.assertIsInstance(orig, tzinfo)
        self.assertTrue(type(orig) is PicklableFixedOffset)
        self.assertEqual(orig.utcoffset(None), offset)
        self.assertEqual(orig.tzname(None), 'cookie')
        for pickler, unpickler, proto in pickle_choices:
            green = pickler.dumps(orig, proto)
            derived = unpickler.loads(green)
            self.assertIsInstance(derived, tzinfo)
            self.assertTrue(type(derived) is PicklableFixedOffset)
            self.assertEqual(derived.utcoffset(None), offset)
            self.assertEqual(derived.tzname(None), 'cookie')

#############################################################################
# Base class for testing a particular aspect of timedelta, time, date and
# datetime comparisons. 

def test_roundtrip(self):
        for td in (timedelta(days=999999999, hours=23, minutes=59,
                             seconds=59, microseconds=999999),
                   timedelta(days=-999999999),
                   timedelta(days=1, seconds=2, microseconds=3)):

            # Verify td -> string -> td identity.
            s = repr(td)
            self.assertTrue(s.startswith('datetime.'))
            s = s[9:]
            td2 = eval(s)
            self.assertEqual(td, td2)

            # Verify identity via reconstructing from pieces.
            td2 = timedelta(td.days, td.seconds, td.microseconds)
            self.assertEqual(td, td2) 

def test_argument_passing(self):
        cls = self.theclass
        # A datetime passes itself on, a time passes None.
        class introspective(tzinfo):
            def tzname(self, dt):    return dt and "real" or "none"
            def utcoffset(self, dt):
                return timedelta(minutes = dt and 42 or -42)
            dst = utcoffset

        obj = cls(1, 2, 3, tzinfo=introspective())

        expected = cls is time and "none" or "real"
        self.assertEqual(obj.tzname(), expected)

        expected = timedelta(minutes=(cls is time and -42 or 42))
        self.assertEqual(obj.utcoffset(), expected)
        self.assertEqual(obj.dst(), expected) 

def _create(self):
        pl = dict(
            aString="Doodah",
            aList=["A", "B", 12, 32.5, [1, 2, 3]],
            aFloat = 0.5,
            anInt = 728,
            aDict=dict(
                anotherString="<hello & 'hi' there!>",
                aUnicodeValue=u'M\xe4ssig, Ma\xdf',
                aTrueValue=True,
                aFalseValue=False,
                deeperDict=dict(a=17, b=32.5, c=[1, 2, "text"]),
            ),
            someData = plistlib.Data("<binary gunk>"),
            someMoreData = plistlib.Data("<lots of binary gunk>\0\1\2\3" * 10),
            nestedData = [plistlib.Data("<lots of binary gunk>\0\1\2\3" * 10)],
            aDate = datetime.datetime(2004, 10, 26, 10, 33, 33),
        )
        pl[u'\xc5benraa'] = "That was a unicode key."
        return pl 

def make_comparable(self, other):
        if isinstance(other, DateTime):
            s = self.value
            o = other.value
        elif datetime and isinstance(other, datetime.datetime):
            s = self.value
            o = other.strftime("%Y%m%dT%H:%M:%S")
        elif isinstance(other, (str, unicode)):
            s = self.value
            o = other
        elif hasattr(other, "timetuple"):
            s = self.timetuple()
            o = other.timetuple()
        else:
            otype = (hasattr(other, "__class__")
                     and other.__class__.__name__
                     or type(other))
            raise TypeError("Can't compare %s and %s" %
                            (self.__class__.__name__, otype))
        return s, o 

def ensure_datetime(obj):
    """Return the object if it is a datetime-like object

    Parameters
    ----------
    obj : Object to be tested.

    Returns
    -------
    The original object if it is a datetime-like object

    Raises
    ------
    TypeError if `obj` is not datetime-like
    """
    _VALID_TYPES = (str, datetime.datetime, cftime.datetime,
                    np.datetime64)
    if isinstance(obj, _VALID_TYPES):
        return obj
    raise TypeError("datetime-like object required.  "
                    "Type given: {}".format(type(obj))) 

def datetime_or_default(date, default):
    """Return a datetime-like object or a default.

    Parameters
    ----------
    date : `None` or datetime-like object or str
    default : The value to return if `date` is `None`

    Returns
    -------
    `default` if `date` is `None`, otherwise returns the result of
    `utils.times.ensure_datetime(date)`

    """
    if date is None:
        return default
    else:
        return ensure_datetime(date) 

def recursive_test_params():
    basic_params = {
        'proj': example_proj,
        'model': example_model,
        'run': example_run,
        'var': condensation_rain,
        'date_range': (datetime.datetime(4, 1, 1),
                       datetime.datetime(6, 12, 31)),
        'intvl_in': 'monthly',
        'dtype_in_time': 'ts'
    }
    recursive_params = basic_params.copy()

    recursive_condensation_rain = Var(
        name='recursive_condensation_rain',
        variables=(precip, convection_rain), func=lambda x, y: x - y,
        def_time=True)
    recursive_params['var'] = recursive_condensation_rain

    yield (basic_params, recursive_params)

    _clean_test_direcs() 

def default(self, o):
        """Implement this method in a subclass such that it returns a
        serializable object for ``o``, or calls the base implementation (to
        raise a ``TypeError``).

        For example, to support arbitrary iterators, you could implement
        default like this::

            def default(self, o):
                try:
                    iterable = iter(o)
                except TypeError:
                    pass
                else:
                    return list(iterable)
                return JSONEncoder.default(self, o)
        """
        if isinstance(o, datetime):
            return http_date(o)
        if isinstance(o, uuid.UUID):
            return str(o)
        if hasattr(o, '__html__'):
            return text_type(o.__html__())
        return _json.JSONEncoder.default(self, o) 

def default(self, o):
        """Implement this method in a subclass such that it returns a
        serializable object for ``o``, or calls the base implementation (to
        raise a ``TypeError``).

        For example, to support arbitrary iterators, you could implement
        default like this::

            def default(self, o):
                try:
                    iterable = iter(o)
                except TypeError:
                    pass
                else:
                    return list(iterable)
                return JSONEncoder.default(self, o)
        """
        if isinstance(o, datetime):
            return http_date(o)
        if isinstance(o, uuid.UUID):
            return str(o)
        if hasattr(o, '__html__'):
            return text_type(o.__html__())
        return _json.JSONEncoder.default(self, o) 

def __init__(self):
        """
        A class to store simulation and optimization results.
        """
        # Data series
        self.generated_datetime = datetime.datetime
        self.results_name = None
        self.solver_statistics = {}
        self.Z = None
        self.X = None
        self.Y = None
        self.C = None
        self.S = None
        self.sigma_sq = None
        self.device_variance = None
        self.P = None
        self.dZdt = None
        self.dXdt = None 

def getDLMSDataType(cls, value):
        from ..GXDateTime import GXDateTime
        from ..GXDate import GXDate
        from ..GXTime import GXTime
        if value is None:
            ret = DataType.NONE
        elif isinstance(value, (bytes, bytearray, GXByteBuffer)):
            ret = DataType.OCTET_STRING
        #elif isinstance(value, (Enum,)):
        #    ret = DataType.ENUM
        elif isinstance(value, int):
            ret = DataType.INT32
        elif isinstance(value, GXTime):
            ret = DataType.TIME
        elif isinstance(value, GXDate):
            ret = DataType.DATE
        elif isinstance(value, (datetime, GXDateTime)):
            ret = DataType.DATETIME
        elif isinstance(value, list):
            ret = DataType.ARRAY
        elif isinstance(value, str):
            ret = DataType.STRING
        elif isinstance(value, bool):
            ret = DataType.BOOLEAN
        elif isinstance(value, float):
            ret = DataType.FLOAT32
        else:
            raise ValueError("Invalid value.")
        return ret 

def fromUnixTime(cls, unixTime):
        return GXDateTime(datetime.datetime(unixTime * 1000))

    #
    # Convert date time to Epoch time.
    #
    # @param date
    #            Date and time.
    # Unix time.
    # 

def from_json(cls, json_dict):
        self = cls()
        for k, v in json_dict.items():
            if isinstance(getattr(self, k, None), datetime.datetime) and v:
                try:
                    if len(v.strip().split()) == 2:
                        v += " +0000"
                    v = datetime.datetime.strptime(v, "%Y-%m-%d %H:%M:%S %z")
                except TypeError:
                    pass
            if hasattr(self, k):
                setattr(self, k, v)
        return self 

def setUp(self):
        self.now = datetime.datetime(2017, 3, 24, 13, 35, 22) 

def update_lastseen_cb(bot, message, *args, **kwargs):
    ''' Updates the user's last seen time in the database. '''
    author = determine_sender(message)
    currenttime = (datetime.datetime.now() - datetime.datetime(1970, 1, 1)).total_seconds()
    LOGGER.debug('Updating %s\'s last seen.', author)
    bot.cursor.execute('UPDATE users SET lastactive = ?, message = ? WHERE jid = ?',
                       (currenttime, message.getBody().decode('utf-8'), author))
    bot.conn.commit() 

def addreminder_cb(bot, message, *args, **kwargs):
    ''' (Hopefully) sends user a message at the given time '''
    body = extract_query(message)
    timespec = body.split()[0]
    try:
        trytime = dateutil.parser.parse(body, parserinfo=datefinder.BPI, fuzzy=True)
    except ValueError:
        trytime = datetime.datetime(1970, 1, 1) # job is dropped if no other date is found
    delta = None
    if timespec in datefinder.DURATION_MARKERS or datefinder.STRICT_CLOCK_REGEX.match(timespec):
        try:
            delta = datetime.datetime.now() + datefinder.find_timedelta(body)
        except ValueError:
            delta = None
    elif timespec in datefinder.CLOCK_MARKERS:
        try:
            trytime = datefinder.find_first_time(body)
        except ValueError:
            LOGGER.error('Cannot find time in "%s"', body)
    if delta:
        deadline = delta
    else:
        deadline = trytime
    if deadline < datetime.datetime.now():
        LOGGER.error('Parsing %s failed, invalid deadline')
        return 'Sorry, limitations prevent parsing that kind of time.'
    LOGGER.debug('Parsed reminder command "%s"', body)
    LOGGER.info('Deadline %s from message "%s".',
                deadline, body)
    reply = 'Reminder set for {}.'.format(deadline)
    replymessage = TextMessageProtocolEntity(
        to=determine_sender(message), body=reply)
    bot.toLower(replymessage)
    bot.scheduler.add_job(
        rpc.remote_send, 'date',
        [body, determine_sender(message)],
        run_date=deadline)
    return 

def _datetime_to_ical(self, dt):
        """
        Converts datetime format to ical format and returns it.
        """
        return icalendar.vDatetime(dt).to_ical() 

def CheckColumnNameWithSpaces(self):
        cur = self.con.cursor()
        cur.execute('select 1 as "foo bar [datetime]"')
        self.assertEqual(cur.description[0][0], "foo bar")

        cur.execute('select 1 as "foo baz"')
        self.assertEqual(cur.description[0][0], "foo baz") 

def CheckTypeMapUsage(self):
        """
        pysqlite until 2.4.1 did not rebuild the row_cast_map when recompiling
        a statement. This test exhibits the problem.
        """
        SELECT = "select * from foo"
        con = sqlite.connect(":memory:",detect_types=sqlite.PARSE_DECLTYPES)
        con.execute("create table foo(bar timestamp)")
        con.execute("insert into foo(bar) values (?)", (datetime.datetime.now(),))
        con.execute(SELECT)
        con.execute("drop table foo")
        con.execute("create table foo(bar integer)")
        con.execute("insert into foo(bar) values (5)")
        con.execute(SELECT) 

def CheckSqlTimestamp(self):
        # The date functions are only available in SQLite version 3.1 or later
        if sqlite.sqlite_version_info < (3, 1):
            return

        # SQLite's current_timestamp uses UTC time, while datetime.datetime.now() uses local time.
        now = datetime.datetime.now()
        self.cur.execute("insert into test(ts) values (current_timestamp)")
        self.cur.execute("select ts from test")
        ts = self.cur.fetchone()[0]
        self.assertEqual(type(ts), datetime.datetime)
        self.assertEqual(ts.year, now.year) 

def register_adapters_and_converters():
    def adapt_date(val):
        return val.isoformat()

    def adapt_datetime(val):
        return val.isoformat(" ")

    def convert_date(val):
        return datetime.date(*map(int, val.split("-")))

    def convert_timestamp(val):
        datepart, timepart = val.split(" ")
        year, month, day = map(int, datepart.split("-"))
        timepart_full = timepart.split(".")
        hours, minutes, seconds = map(int, timepart_full[0].split(":"))
        if len(timepart_full) == 2:
            microseconds = int('{:0<6.6}'.format(timepart_full[1].decode()))
        else:
            microseconds = 0

        val = datetime.datetime(year, month, day, hours, minutes, seconds, microseconds)
        return val


    register_adapter(datetime.date, adapt_date)
    register_adapter(datetime.datetime, adapt_datetime)
    register_converter("date", convert_date)
    register_converter("timestamp", convert_timestamp) 

def get_hash_command(self, repr_):
        return 'import datetime; print(hash(%s))' % repr_ 

def test_fraction(self):
        # Test microseconds
        import datetime
        d = datetime.datetime(2012, 12, 20, 12, 34, 56, 78987)
        tup, frac = _strptime._strptime(str(d), format="%Y-%m-%d %H:%M:%S.%f")
        self.assertEqual(frac, d.microsecond) 

def test_constants(self):
        import datetime
        self.assertEqual(datetime.MINYEAR, 1)
        self.assertEqual(datetime.MAXYEAR, 9999)

#############################################################################
# tzinfo tests 

def test_non_abstractness(self):
        # In order to allow subclasses to get pickled, the C implementation
        # wasn't able to get away with having __init__ raise
        # NotImplementedError.
        useless = tzinfo()
        dt = datetime.max
        self.assertRaises(NotImplementedError, useless.tzname, dt)
        self.assertRaises(NotImplementedError, useless.utcoffset, dt)
        self.assertRaises(NotImplementedError, useless.dst, dt) 

def test_normal(self):
        fo = FixedOffset(3, "Three")
        self.assertIsInstance(fo, tzinfo)
        for dt in datetime.now(), None:
            self.assertEqual(fo.utcoffset(dt), timedelta(minutes=3))
            self.assertEqual(fo.tzname(dt), "Three")
            self.assertEqual(fo.dst(dt), timedelta(minutes=42)) 

def test_roundtrip(self):
        for dt in (self.theclass(1, 2, 3),
                   self.theclass.today()):
            # Verify dt -> string -> date identity.
            s = repr(dt)
            self.assertTrue(s.startswith('datetime.'))
            s = s[9:]
            dt2 = eval(s)
            self.assertEqual(dt, dt2)

            # Verify identity via reconstructing from pieces.
            dt2 = self.theclass(dt.year, dt.month, dt.day)
            self.assertEqual(dt, dt2) 

def test_mixed_compare(self):
        our = self.theclass(2000, 4, 5)
        self.assertRaises(TypeError, cmp, our, 1)
        self.assertRaises(TypeError, cmp, 1, our)

        class AnotherDateTimeClass(object):
            def __cmp__(self, other):
                # Return "equal" so calling this can't be confused with
                # compare-by-address (which never says "equal" for distinct
                # objects).
                return 0
            __hash__ = None # Silence Py3k warning

        # This still errors, because date and datetime comparison raise
        # TypeError instead of NotImplemented when they don't know what to
        # do, in order to stop comparison from falling back to the default
        # compare-by-address.
        their = AnotherDateTimeClass()
        self.assertRaises(TypeError, cmp, our, their)
        # Oops:  The next stab raises TypeError in the C implementation,
        # but not in the Python implementation of datetime.  The difference
        # is due to that the Python implementation defines __cmp__ but
        # the C implementation defines tp_richcompare.  This is more pain
        # to fix than it's worth, so commenting out the test.
        # self.assertEqual(cmp(their, our), 0)

        # But date and datetime comparison return NotImplemented instead if the
        # other object has a timetuple attr.  This gives the other object a
        # chance to do the comparison.
        class Comparable(AnotherDateTimeClass):
            def timetuple(self):
                return ()

        their = Comparable()
        self.assertEqual(cmp(our, their), 0)
        self.assertEqual(cmp(their, our), 0)
        self.assertTrue(our == their)
        self.assertTrue(their == our) 

def test_roundtrip(self):
        for dt in (self.theclass(1, 2, 3, 4, 5, 6, 7),
                   self.theclass.now()):
            # Verify dt -> string -> datetime identity.
            s = repr(dt)
            self.assertTrue(s.startswith('datetime.'))
            s = s[9:]
            dt2 = eval(s)
            self.assertEqual(dt, dt2)

            # Verify identity via reconstructing from pieces.
            dt2 = self.theclass(dt.year, dt.month, dt.day,
                                dt.hour, dt.minute, dt.second,
                                dt.microsecond)
            self.assertEqual(dt, dt2) 

def test_more_compare(self):
        # The test_compare() inherited from TestDate covers the error cases.
        # We just want to test lexicographic ordering on the members datetime
        # has that date lacks.
        args = [2000, 11, 29, 20, 58, 16, 999998]
        t1 = self.theclass(*args)
        t2 = self.theclass(*args)
        self.assertTrue(t1 == t2)
        self.assertTrue(t1 <= t2)
        self.assertTrue(t1 >= t2)
        self.assertFalse(t1 != t2)
        self.assertFalse(t1 < t2)
        self.assertFalse(t1 > t2)
        self.assertEqual(cmp(t1, t2), 0)
        self.assertEqual(cmp(t2, t1), 0)

        for i in range(len(args)):
            newargs = args[:]
            newargs[i] = args[i] + 1
            t2 = self.theclass(*newargs)   # this is larger than t1
            self.assertTrue(t1 < t2)
            self.assertTrue(t2 > t1)
            self.assertTrue(t1 <= t2)
            self.assertTrue(t2 >= t1)
            self.assertTrue(t1 != t2)
            self.assertTrue(t2 != t1)
            self.assertFalse(t1 == t2)
            self.assertFalse(t2 == t1)
            self.assertFalse(t1 > t2)
            self.assertFalse(t2 < t1)
            self.assertFalse(t1 >= t2)
            self.assertFalse(t2 <= t1)
            self.assertEqual(cmp(t1, t2), -1)
            self.assertEqual(cmp(t2, t1), 1)


    # A helper for timestamp constructor tests. 

def test_roundtrip(self):
        t = self.theclass(1, 2, 3, 4)

        # Verify t -> string -> time identity.
        s = repr(t)
        self.assertTrue(s.startswith('datetime.'))
        s = s[9:]
        t2 = eval(s)
        self.assertEqual(t, t2)

        # Verify identity via reconstructing from pieces.
        t2 = self.theclass(t.hour, t.minute, t.second,
                           t.microsecond)
        self.assertEqual(t, t2) 

def test_repr(self):
        name = 'datetime.' + self.theclass.__name__
        self.assertEqual(repr(self.theclass(1, 2, 3, 4)),
                         "%s(1, 2, 3, 4)" % name)
        self.assertEqual(repr(self.theclass(10, 2, 3, 4000)),
                         "%s(10, 2, 3, 4000)" % name)
        self.assertEqual(repr(self.theclass(0, 2, 3, 400000)),
                         "%s(0, 2, 3, 400000)" % name)
        self.assertEqual(repr(self.theclass(12, 2, 3, 0)),
                         "%s(12, 2, 3)" % name)
        self.assertEqual(repr(self.theclass(23, 15, 0, 0)),
                         "%s(23, 15)" % name) 

def test_utc_offset_out_of_bounds(self):
        class Edgy(tzinfo):
            def __init__(self, offset):
                self.offset = timedelta(minutes=offset)
            def utcoffset(self, dt):
                return self.offset

        cls = self.theclass
        for offset, legit in ((-1440, False),
                              (-1439, True),
                              (1439, True),
                              (1440, False)):
            if cls is time:
                t = cls(1, 2, 3, tzinfo=Edgy(offset))
            elif cls is datetime:
                t = cls(6, 6, 6, 1, 2, 3, tzinfo=Edgy(offset))
            else:
                assert 0, "impossible"
            if legit:
                aofs = abs(offset)
                h, m = divmod(aofs, 60)
                tag = "%c%02d:%02d" % (offset < 0 and '-' or '+', h, m)
                if isinstance(t, datetime):
                    t = t.timetz()
                self.assertEqual(str(t), "01:02:03" + tag)
            else:
                self.assertRaises(ValueError, str, t) 

def test_subclass_timetz(self):

        class C(self.theclass):
            theAnswer = 42

            def __new__(cls, *args, **kws):
                temp = kws.copy()
                extra = temp.pop('extra')
                result = self.theclass.__new__(cls, *args, **temp)
                result.extra = extra
                return result

            def newmeth(self, start):
                return start + self.hour + self.second

        args = 4, 5, 6, 500, FixedOffset(-300, "EST", 1)

        dt1 = self.theclass(*args)
        dt2 = C(*args, **{'extra': 7})

        self.assertEqual(dt2.__class__, C)
        self.assertEqual(dt2.theAnswer, 42)
        self.assertEqual(dt2.extra, 7)
        self.assertEqual(dt1.utcoffset(), dt2.utcoffset())
        self.assertEqual(dt2.newmeth(-7), dt1.hour + dt1.second - 7)


# Testing datetime objects with a non-None tzinfo. 

def test_extreme_hashes(self):
        # If an attempt is made to hash these via subtracting the offset
        # then hashing a datetime object, OverflowError results.  The
        # Python implementation used to blow up here.
        t = self.theclass(1, 1, 1, tzinfo=FixedOffset(1439, ""))
        hash(t)
        t = self.theclass(MAXYEAR, 12, 31, 23, 59, 59, 999999,
                          tzinfo=FixedOffset(-1439, ""))
        hash(t)

        # OTOH, an OOB offset should blow up.
        t = self.theclass(5, 5, 5, tzinfo=FixedOffset(-1440, ""))
        self.assertRaises(ValueError, hash, t) 

def test_zones(self):
        est = FixedOffset(-300, "EST")
        utc = FixedOffset(0, "UTC")
        met = FixedOffset(60, "MET")
        t1 = datetime(2002, 3, 19,  7, 47, tzinfo=est)
        t2 = datetime(2002, 3, 19, 12, 47, tzinfo=utc)
        t3 = datetime(2002, 3, 19, 13, 47, tzinfo=met)
        self.assertEqual(t1.tzinfo, est)
        self.assertEqual(t2.tzinfo, utc)
        self.assertEqual(t3.tzinfo, met)
        self.assertEqual(t1.utcoffset(), timedelta(minutes=-300))
        self.assertEqual(t2.utcoffset(), timedelta(minutes=0))
        self.assertEqual(t3.utcoffset(), timedelta(minutes=60))
        self.assertEqual(t1.tzname(), "EST")
        self.assertEqual(t2.tzname(), "UTC")
        self.assertEqual(t3.tzname(), "MET")
        self.assertEqual(hash(t1), hash(t2))
        self.assertEqual(hash(t1), hash(t3))
        self.assertEqual(hash(t2), hash(t3))
        self.assertEqual(t1, t2)
        self.assertEqual(t1, t3)
        self.assertEqual(t2, t3)
        self.assertEqual(str(t1), "2002-03-19 07:47:00-05:00")
        self.assertEqual(str(t2), "2002-03-19 12:47:00+00:00")
        self.assertEqual(str(t3), "2002-03-19 13:47:00+01:00")
        d = 'datetime.datetime(2002, 3, 19, '
        self.assertEqual(repr(t1), d + "7, 47, tzinfo=est)")
        self.assertEqual(repr(t2), d + "12, 47, tzinfo=utc)")
        self.assertEqual(repr(t3), d + "13, 47, tzinfo=met)") 

def test_tzinfo_now(self):
        meth = self.theclass.now
        # Ensure it doesn't require tzinfo (i.e., that this doesn't blow up).
        base = meth()
        # Try with and without naming the keyword.
        off42 = FixedOffset(42, "42")
        another = meth(off42)
        again = meth(tz=off42)
        self.assertIs(another.tzinfo, again.tzinfo)
        self.assertEqual(another.utcoffset(), timedelta(minutes=42))
        # Bad argument with and w/o naming the keyword.
        self.assertRaises(TypeError, meth, 16)
        self.assertRaises(TypeError, meth, tzinfo=16)
        # Bad keyword name.
        self.assertRaises(TypeError, meth, tinfo=off42)
        # 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.assertIs(now.tzinfo, 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
        ts = time.time()
        # Ensure it doesn't require tzinfo (i.e., that this doesn't blow up).
        base = meth(ts)
        # Try with and without naming the keyword.
        off42 = FixedOffset(42, "42")
        another = meth(ts, off42)
        again = meth(ts, tz=off42)
        self.assertIs(another.tzinfo, again.tzinfo)
        self.assertEqual(another.utcoffset(), timedelta(minutes=42))
        # Bad argument with and w/o naming the keyword.
        self.assertRaises(TypeError, meth, ts, 16)
        self.assertRaises(TypeError, meth, ts, tzinfo=16)
        # Bad keyword name.
        self.assertRaises(TypeError, meth, ts, tinfo=off42)
        # Too many args.
        self.assertRaises(TypeError, meth, ts, off42, off42)
        # Too few args.
        self.assertRaises(TypeError, meth)

        # Try to make sure tz= actually does some conversion.
        timestamp = 1000000000
        utcdatetime = datetime.utcfromtimestamp(timestamp)
        # In POSIX (epoch 1970), that's 2001-09-09 01:46:40 UTC, give or take.
        # But on some flavor of Mac, it's nowhere near that.  So we can't have
        # any idea here what time that actually is, we can only test that
        # relative changes match.
        utcoffset = timedelta(hours=-15, minutes=39) # arbitrary, but not zero
        tz = FixedOffset(utcoffset, "tz", 0)
        expected = utcdatetime + utcoffset
        got = datetime.fromtimestamp(timestamp, tz)
        self.assertEqual(expected, got.replace(tzinfo=None)) 

def test_tzinfo_timetuple(self):
        # TestDateTime tested most of this.  datetime adds a twist to the
        # DST flag.
        class DST(tzinfo):
            def __init__(self, dstvalue):
                if isinstance(dstvalue, int):
                    dstvalue = timedelta(minutes=dstvalue)
                self.dstvalue = dstvalue
            def dst(self, dt):
                return self.dstvalue

        cls = self.theclass
        for dstvalue, flag in (-33, 1), (33, 1), (0, 0), (None, -1):
            d = cls(1, 1, 1, 10, 20, 30, 40, tzinfo=DST(dstvalue))
            t = d.timetuple()
            self.assertEqual(1, t.tm_year)
            self.assertEqual(1, t.tm_mon)
            self.assertEqual(1, t.tm_mday)
            self.assertEqual(10, t.tm_hour)
            self.assertEqual(20, t.tm_min)
            self.assertEqual(30, t.tm_sec)
            self.assertEqual(0, t.tm_wday)
            self.assertEqual(1, t.tm_yday)
            self.assertEqual(flag, t.tm_isdst)

        # dst() returns wrong type.
        self.assertRaises(TypeError, cls(1, 1, 1, tzinfo=DST("x")).timetuple)

        # dst() at the edge.
        self.assertEqual(cls(1,1,1, tzinfo=DST(1439)).timetuple().tm_isdst, 1)
        self.assertEqual(cls(1,1,1, tzinfo=DST(-1439)).timetuple().tm_isdst, 1)

        # dst() out of range.
        self.assertRaises(ValueError, cls(1,1,1, tzinfo=DST(1440)).timetuple)
        self.assertRaises(ValueError, cls(1,1,1, tzinfo=DST(-1440)).timetuple)