def _timestamp_instants_eq(a, b):
"""Compares two timestamp operands for point-in-time equivalence only."""
assert isinstance(a, datetime)
if not isinstance(b, datetime):
return False
# datetime's __eq__ can't compare a None offset and a non-None offset. For these equivalence semantics, a None
# offset (unknown local offset) is treated equivalently to a +00:00.
if a.tzinfo is None:
a = a.replace(tzinfo=OffsetTZInfo())
if b.tzinfo is None:
b = b.replace(tzinfo=OffsetTZInfo())
# datetime's __eq__ implementation compares instants; offsets and precision need not be equal.
return a == b
True,
False,
IonPyInt.from_value(IonType.BOOL, 0),
IonPyInt.from_value(IonType.BOOL, 1),
0,
-1,
1.23,
1.23e4,
-1.23,
-1.23e-4,
Decimal(0),
Decimal('-1.23'),
datetime(year=1,
month=1,
day=1,
tzinfo=OffsetTZInfo(timedelta(minutes=-1))),
u'',
u'abc',
u'abcdefghijklmno',
u'a\U0001f4a9c',
u'a\u3000\x20c',
_st(u''),
_st(u'abc'),
_st(u'abcdefghijklmno'),
_st(u'a\U0001f4a9c'),
_st(u'a\u3000\x20c'),
b'abcd',
IonPyBytes.from_value(IonType.CLOB, b'abcd'),
[[[]]],
[[], [], []],
[{}, {}, {}],
),
(
{},
_struct({}),
),
(
{u'abc': 123, 'def': 456},
_struct({u'def': 456, u'abc': 123}),
)
)
_EQUIVS_INSTANTS = (
(
# These all represent the same instant.
_dt(2000, 1, 1),
_dt(2000, 1, 1, tzinfo=(OffsetTZInfo())),
_dt(2000, 1, 1, 1, tzinfo=OffsetTZInfo(timedelta(hours=1))),
_ts(1999, 12, 31, 23, 59, off_hours=0, off_minutes=-1, precision=_TP.SECOND),
_timestamp(_ts(2000, 1, 1, 1, off_hours=1, off_minutes=0, precision=_TP.SECOND)),
),
)
_NONEQUIVS = (
# For each tuple, each element is not equivalent to any other element equivalent under the Ion data model.
(None, 0, _null(_IT.BOOL)),
(True, False),
(True, _bool(False)),
(_bool(True), False),
(_bool(True), _bool(False)),
(1, -1, 1.),
(1, _int(-1), _float(1)),
(_D('0e100'), b'0d+100'),
(_D('0e-15'), b'0d-15'),
(_D('-1e1000'), b'-1d+1000'),
(_D('-4.412111311414141e1000'), b'-4.412111311414141d+1000'),
(_D('1.1999999999999999555910790149937383830547332763671875e0'),
b'1.1999999999999999555910790149937383830547332763671875'),
),
_IT.TIMESTAMP: (
(None, b'null.timestamp'),
(_DT(2016, 1, 1), b'2016-01-01T00:00:00.000000-00:00'),
(_DT(2016, 1, 1, 12), b'2016-01-01T12:00:00.000000-00:00'),
(_DT(2016, 1, 1, 12, 34, 12), b'2016-01-01T12:34:12.000000-00:00'),
(_DT(2016, 1, 1, 12, 34, 12,
555000), b'2016-01-01T12:34:12.555000-00:00'),
(_DT(2016, 1, 1, 12, 34, 12,
tzinfo=OffsetTZInfo()), b'2016-01-01T12:34:12.000000Z'),
(_DT(2016, 1, 1, 12, 34, 12, tzinfo=OffsetTZInfo(timedelta(hours=-7))),
b'2016-01-01T12:34:12.000000-07:00'),
),
_IT.SYMBOL: (
(None, b'null.symbol'),
(SymbolToken(None, 4), b'$4'), # System symbol 'name'.
(SymbolToken(u'a token', 400), b"'a token'"),
) + _SIMPLE_SYMBOLS_TEXT,
_IT.STRING: ((None, b'null.string'), ) + _SIMPLE_STRINGS_TEXT,
_IT.CLOB: ((None, b'null.clob'), ) + _SIMPLE_CLOBS_TEXT,
_IT.BLOB: ((None, b'null.blob'), ) + _SIMPLE_BLOBS_TEXT,
_IT.LIST: ((None, b'null.list'), ),
_IT.SEXP: ((None, b'null.sexp'), ),
_IT.STRUCT: ((None, b'null.struct'), ),
}
(_D('0e100'), b'0d+100'),
(_D('0e-15'), b'0d-15'),
(_D('-1e1000'), b'-1d+1000'),
(_D('-4.412111311414141e1000'), b'-4.412111311414141d+1000'),
(_D('1.1999999999999999555910790149937383830547332763671875e0'),
b'1.1999999999999999555910790149937383830547332763671875'),
),
_IT.TIMESTAMP: (
(None, b'null.timestamp'),
(_DT(2016, 1, 1), b'2016-01-01T00:00:00-00:00'),
(_DT(2016, 1, 1, 12), b'2016-01-01T12:00:00-00:00'),
(_DT(2016, 1, 1, 12, 34, 12), b'2016-01-01T12:34:12-00:00'),
(_DT(2016, 1, 1, 12, 34, 12,
555000), b'2016-01-01T12:34:12.555000-00:00'),
(_DT(2016, 1, 1, 12, 34, 12,
tzinfo=OffsetTZInfo()), b'2016-01-01T12:34:12+00:00'),
(_DT(2016, 1, 1, 12, 34, 12, tzinfo=OffsetTZInfo(timedelta(hours=-7))),
b'2016-01-01T12:34:12-07:00'),
),
_IT.SYMBOL: (
(None, b'null.symbol'),
(SymbolToken(None, 4), b'$4'), # System symbol 'name'.
(SymbolToken(u'a token', 400), b"'a token'"),
) + _SIMPLE_SYMBOLS,
_IT.STRING: ((None, b'null.string'), ) + _SIMPLE_STRINGS,
_IT.CLOB: ((None, b'null.clob'), ) + _SIMPLE_CLOBS,
_IT.BLOB: ((None, b'null.blob'), ) + _SIMPLE_BLOBS,
_IT.LIST: ((None, b'null.list'), ),
_IT.SEXP: ((None, b'null.sexp'), ),
_IT.STRUCT: ((None, b'null.struct'), ),
}