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Rust extension module #101

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Jul 4, 2024
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94f31ed
Rust extension module with maturin
ariebovenberg Mar 29, 2024
18a83b4
Make rust extension optional
ariebovenberg Apr 1, 2024
7b81dd6
First classes in rust extension
ariebovenberg Apr 2, 2024
2fc7ccf
Add other datetime types, redesign DateDelta
ariebovenberg Apr 29, 2024
fc2f77f
Improve error handling
ariebovenberg May 20, 2024
a060e69
Add missing methods, improve error handling
ariebovenberg May 28, 2024
7b1d82c
patch up GC/ref handling, 3.13 support
ariebovenberg Jun 10, 2024
5d7ce10
Improve docs, get pure-Python version working again
ariebovenberg Jun 10, 2024
0c39c8c
rationalize method names
ariebovenberg Jun 13, 2024
2e6e53a
fix leftover todos and coverage
ariebovenberg Jun 13, 2024
6cc336c
Fixes for wheels across platforms
ariebovenberg Jun 16, 2024
def6619
fix image link in README
ariebovenberg Jun 19, 2024
3b43929
Additional wheels for other archs
ariebovenberg Jun 19, 2024
a4c0e8f
add flag to see whether rust extension is loaded
ariebovenberg Jun 20, 2024
e5bfa10
additional testing for internal function
ariebovenberg Jun 20, 2024
857caab
add benchmark readme
ariebovenberg Jun 20, 2024
1ef0ab7
docs improvements
ariebovenberg Jun 20, 2024
d517867
small refactorings across extension module
ariebovenberg Jun 20, 2024
9475917
improve robustness of conversions near bounds
ariebovenberg Jun 23, 2024
14876cf
Drop "local" terminolgy from system timezone
ariebovenberg Jun 23, 2024
38cfb27
fix failing tests
ariebovenberg Jun 24, 2024
d93a57f
Replace UTCDateTime with Instant
ariebovenberg Jun 25, 2024
f18b5ba
Rename naive to local, cleanup docs
ariebovenberg Jun 28, 2024
1d4b722
make disambiguate argument required for relevant methods
ariebovenberg Jun 28, 2024
7c35f86
Add ignore_dst and disambiguate arg to relevant methods
ariebovenberg Jun 29, 2024
ce7885a
prepare next release
ariebovenberg Jul 4, 2024
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fix failing tests
  • Loading branch information
ariebovenberg committed Jun 24, 2024
commit 38cfb2731a8a4bfdf621bb82f4579a6194fd53da
18 changes: 9 additions & 9 deletions README.md
Original file line number Diff line number Diff line change
Expand Up @@ -128,25 +128,25 @@ Additionally, it hasn't been actively maintained since a breaking 3.0 release la
```python
>>> from whenever import (
... # Explicit types for different use cases
... UTCDateTime, # -> Enforce UTC-normalization
... Instant, # -> Enforce UTC-normalization
... ZonedDateTime, # -> Full-featured timezones
... NaiveDateTime, # -> Without any timezone
... LocalDateTime, # -> Without any timezone
... )

>>> py311_release = UTCDateTime(2022, 10, 24, hour=17)
UTCDateTime(2022-10-24 17:00:00Z)
>>> livestream_start = Instant.from_utc(2022, 10, 24, hour=17)
Instant(2022-10-24 17:00:00Z)

# Simple, explicit conversions
>>> py311_release.to_tz("Europe/Paris")
>>> livestream_start.to_tz("Europe/Paris")
ZonedDateTime(2022-10-24 19:00:00+02:00[Europe/Paris])

# Comparison and equality
>>> UTCDateTime.now() > py311_release
>>> Instant.now() > livestream_start
True

# Naive type that can't accidentally mix with aware types.
# Only explicit assumptions will make it aware
>>> hackathon_invite = NaiveDateTime(2023, 10, 28, hour=12)
>>> hackathon_invite = LocalDateTime(2023, 10, 28, hour=12)
>>> hackathon_start = hackathon_invite.assume_tz("Europe/Amsterdam")
ZonedDateTime(2023-10-28 12:00:00+02:00[Europe/Amsterdam])

Expand All @@ -155,11 +155,11 @@ ZonedDateTime(2023-10-28 12:00:00+02:00[Europe/Amsterdam])
ZonedDateTime(2022-10-29 11:00:00+01:00[Europe/Amsterdam])

# Formatting & parsing common formats (ISO, RFC3339, RFC2822)
>>> py311_release.format_rfc2822()
>>> livestream_start.format_rfc2822()
"Mon, 24 Oct 2022 17:00:00 GMT"

# If you must: you can convert to/from the standard lib
>>> py311_release.py_datetime()
>>> livestream_start.py_datetime()
datetime.datetime(2022, 10, 24, 17, 0, tzinfo=datetime.timezone.utc)
```

Expand Down
4 changes: 2 additions & 2 deletions docs/overview.rst
Original file line number Diff line number Diff line change
Expand Up @@ -113,7 +113,7 @@ SystemDateTime(2023-12-28 02:00:00-05:00)

.. seealso::

- :ref:`Why does SystemDateTime exist? <faq-why-system>`
- :ref:`Why does SystemDateTime exist? <faq-why-system-tz>`
- :ref:`Working with the system timezone <systemtime>`

:class:`~whenever.NaiveDateTime`
Expand Down Expand Up @@ -703,7 +703,7 @@ SystemDateTime(2020-08-15 08:00:00+02:00)

.. seealso::

:ref:`Why does SystemDateTime exist? <faq-why-system>`
:ref:`Why does SystemDateTime exist? <faq-why-system-tz>`

.. [1] The timezone ID is not part of the core ISO 8601 standard,
but is part of the RFC 9557 extension.
Expand Down
4 changes: 2 additions & 2 deletions pysrc/whenever/__init__.py
Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
try:
try: # pragma: no cover
from ._whenever import *
from ._whenever import ( # pragma: no cover
from ._whenever import (
_unpkl_date,
_unpkl_ddelta,
_unpkl_dtdelta,
Expand Down
2 changes: 1 addition & 1 deletion pysrc/whenever/_pywhenever.py
Original file line number Diff line number Diff line change
Expand Up @@ -4761,7 +4761,7 @@ def _load_offset(offset: int | TimeDelta, /) -> _timezone:
_match_naive_str = re.compile(_DT_RE_GROUPED, re.ASCII).fullmatch
_match_offset_str = re.compile(_OFFSET_DATETIME_RE, re.ASCII).fullmatch
_match_zoned_str = re.compile(
_OFFSET_DATETIME_RE + r"\[([^\]]+)\]", re.ASCII
_OFFSET_DATETIME_RE + r"\[([^\]]{1,255})\]", re.ASCII
).fullmatch
_match_utc_rfc3339 = re.compile(
r"(\d{4})-([0-1]\d)-([0-3]\d)[ _Tt]([0-2]\d):([0-5]\d):([0-6]\d)(?:\.(\d{1,9}))?(?:[Zz]|[+-]00:00)",
Expand Down
4 changes: 2 additions & 2 deletions requirements/test.txt
Original file line number Diff line number Diff line change
Expand Up @@ -4,5 +4,5 @@ pytest-benchmark[histogram]>=4,<6
hypothesis>=6,<7

# FUTURE: remove these constraints once rdps-py supports python 3.13
referencing>=...,<0.24.0; python_version == '3.13'
jsonschema>=...,<4.18.0; python_version == '3.13'
referencing>=0.23,<0.24.0; python_version == '3.13'
jsonschema>=4.17,<4.18.0; python_version == '3.13'
3 changes: 2 additions & 1 deletion src/naive_datetime.rs
Original file line number Diff line number Diff line change
Expand Up @@ -328,6 +328,7 @@ static mut SLOTS: &[PyType_Slot] = &[
];

#[inline]
#[allow(clippy::too_many_arguments)]
pub(crate) unsafe fn set_components_from_kwargs(
key: *mut PyObject,
value: *mut PyObject,
Expand Down Expand Up @@ -390,7 +391,7 @@ unsafe fn replace(
let mut hour = dt.time.hour.into();
let mut minute = dt.time.minute.into();
let mut second = dt.time.second.into();
let mut nanos = dt.time.nanos.try_into().unwrap();
let mut nanos = dt.time.nanos as _;
for &(name, value) in kwargs {
set_components_from_kwargs(
name,
Expand Down
8 changes: 4 additions & 4 deletions src/offset_datetime.rs
Original file line number Diff line number Diff line change
Expand Up @@ -415,9 +415,9 @@ unsafe fn to_utc(slf: *mut PyObject, _: *mut PyObject) -> PyReturn {
}

unsafe fn to_fixed_offset(slf_obj: *mut PyObject, args: &[*mut PyObject]) -> PyReturn {
match args {
&[] => Ok(newref(slf_obj)),
&[offset] => {
match *args {
[] => Ok(newref(slf_obj)),
[offset] => {
let cls = Py_TYPE(slf_obj);
let offset_secs = extract_offset(offset, State::for_type(cls).time_delta_type)?;
OffsetDateTime::extract(slf_obj)
Expand Down Expand Up @@ -548,7 +548,7 @@ unsafe fn replace(
let mut hour = time.hour.into();
let mut minute = time.minute.into();
let mut second = time.second.into();
let mut nanos = time.nanos.try_into().unwrap();
let mut nanos = time.nanos as _;
let mut offset_secs = offset_secs;

for &(key, value) in kwargs {
Expand Down
6 changes: 3 additions & 3 deletions src/system_datetime.rs
Original file line number Diff line number Diff line change
Expand Up @@ -646,15 +646,15 @@ unsafe fn to_utc(slf: *mut PyObject, _: *mut PyObject) -> PyReturn {

unsafe fn to_fixed_offset(slf_obj: *mut PyObject, args: &[*mut PyObject]) -> PyReturn {
let slf = OffsetDateTime::extract(slf_obj);
match args {
&[] => {
match *args {
[] => {
let &State {
offset_datetime_type,
..
} = State::for_obj(slf_obj);
slf.to_obj(offset_datetime_type)
}
&[arg] => {
[arg] => {
let &State {
offset_datetime_type,
time_delta_type,
Expand Down
2 changes: 1 addition & 1 deletion src/time_delta.rs
Original file line number Diff line number Diff line change
Expand Up @@ -570,7 +570,7 @@ unsafe fn from_py_timedelta(cls: *mut PyObject, d: *mut PyObject) -> PyReturn {
}
let secs = i64::from(PyDateTime_DELTA_GET_DAYS(d)) * SECS_PER_DAY
+ i64::from(PyDateTime_DELTA_GET_SECONDS(d));
if secs < -MAX_SECS || secs > MAX_SECS {
if !(-MAX_SECS..=MAX_SECS).contains(&secs) {
Err(value_err!("TimeDelta out of range"))?;
}
TimeDelta {
Expand Down
10 changes: 5 additions & 5 deletions src/utc_datetime.rs
Original file line number Diff line number Diff line change
Expand Up @@ -664,7 +664,7 @@ unsafe fn parse_rfc3339(cls: *mut PyObject, s_obj: *mut PyObject) -> PyReturn {
*s = &s[1..];
let time = Time::parse_partial(s).ok_or_else(raise)?;
if let b"Z" | b"z" | b"+00:00" | b"-00:00" = &s[..] {
return Instant::from_datetime(date, time).to_obj(cls.cast());
Instant::from_datetime(date, time).to_obj(cls.cast())
} else {
Err(raise())?
}
Expand All @@ -690,7 +690,7 @@ unsafe fn parse_common_iso(cls: *mut PyObject, s_obj: *mut PyObject) -> PyReturn
*s = &s[1..];
let time = Time::parse_partial(s).ok_or_else(raise)?;
if let b"Z" | b"+00:00" | b"+00:00:00" = &s[..] {
return Instant::from_datetime(date, time).to_obj(cls.cast());
Instant::from_datetime(date, time).to_obj(cls.cast())
} else {
Err(raise())?
}
Expand Down Expand Up @@ -828,12 +828,12 @@ unsafe fn to_fixed_offset(slf_obj: *mut PyObject, args: &[*mut PyObject]) -> PyR
time_delta_type,
..
} = State::for_type(cls);
match args {
&[] => slf
match *args {
[] => slf
.to_datetime()
.with_offset_unchecked(0)
.to_obj(offset_datetime_type),
&[offset] => {
[offset] => {
let offset_secs = offset_datetime::extract_offset(offset, time_delta_type)?;
slf.to_offset(offset_secs)
.ok_or_value_err("Resulting local date is out of range")?
Expand Down
6 changes: 3 additions & 3 deletions src/zoned_datetime.rs
Original file line number Diff line number Diff line change
Expand Up @@ -607,10 +607,10 @@ unsafe fn to_fixed_offset(slf_obj: &mut PyObject, args: &[*mut PyObject]) -> PyR
time_delta_type,
..
} = State::for_obj(slf_obj);
match args {
&[] => OffsetDateTime::new_unchecked(slf.date, slf.time, slf.offset_secs)
match *args {
[] => OffsetDateTime::new_unchecked(slf.date, slf.time, slf.offset_secs)
.to_obj(offset_datetime_type),
&[arg] => slf
[arg] => slf
.instant()
.to_offset(offset_datetime::extract_offset(arg, time_delta_type)?)
.ok_or_value_err("Resulting local date is out of range")?
Expand Down
4 changes: 4 additions & 0 deletions tests/common.py
Original file line number Diff line number Diff line change
Expand Up @@ -70,6 +70,8 @@ def system_tz_ams():
time.tzset()
yield

time.tzset()


@contextmanager
def system_tz_nyc():
Expand All @@ -78,3 +80,5 @@ def system_tz_nyc():
with patch.dict(os.environ, {"TZ": "America/New_York"}):
time.tzset()
yield

time.tzset()
4 changes: 2 additions & 2 deletions tests/test_offset_datetime.py
Original file line number Diff line number Diff line change
Expand Up @@ -839,11 +839,11 @@ def test_to_tz():
d.to_tz("America/Not_A_Real_Zone")

small_dt = OffsetDateTime(1, 1, 1, offset=0)
with pytest.raises((ValueError, OverflowError)):
with pytest.raises((ValueError, OverflowError, OSError)):
small_dt.to_tz("America/New_York")

big_dt = OffsetDateTime(9999, 12, 31, hour=23, offset=0)
with pytest.raises((ValueError, OverflowError)):
with pytest.raises((ValueError, OverflowError, OSError)):
big_dt.to_tz("Asia/Tokyo")


Expand Down
8 changes: 5 additions & 3 deletions tests/test_utc_datetime.py
Original file line number Diff line number Diff line change
Expand Up @@ -275,8 +275,10 @@ def test_all(self, method, factor):
with pytest.raises((OSError, OverflowError, ValueError)):
method(1 << 129)

with pytest.raises(TypeError, match="integer"):
try:
method(1.0)
except TypeError:
pass

def test_extremes(self):
assert UTCDateTime.from_timestamp(
Expand Down Expand Up @@ -779,10 +781,10 @@ def test_to_tz():
ZonedDateTime(2020, 8, 15, 16, tz="America/New_York")
)

with pytest.raises((ValueError, OverflowError)):
with pytest.raises((ValueError, OverflowError, OSError)):
UTCDateTime.MIN.to_tz("America/New_York")

with pytest.raises((ValueError, OverflowError)):
with pytest.raises((ValueError, OverflowError, OSError)):
UTCDateTime.MAX.to_tz("Asia/Tokyo")


Expand Down
18 changes: 13 additions & 5 deletions tests/test_zoned_datetime.py
Original file line number Diff line number Diff line change
Expand Up @@ -577,11 +577,11 @@ def test_to_tz():

# catch local datetimes sliding out of range
small_zdt = ZonedDateTime(1, 1, 1, tz="Etc/UTC")
with pytest.raises((ValueError, OverflowError), match="range|year"):
with pytest.raises((ValueError, OverflowError, OSError)):
small_zdt.to_tz("America/New_York")

big_zdt = ZonedDateTime(9999, 12, 31, 23, tz="Etc/UTC")
with pytest.raises((ValueError, OverflowError), match="range|year"):
with pytest.raises((ValueError, OverflowError, OSError)):
big_zdt.to_tz("Asia/Tokyo")


Expand Down Expand Up @@ -759,8 +759,6 @@ def test_valid(self, s, expect):
"2023-10-29T02:15:30+02:00:00.00[Europe/Amsterdam]", # subsecond offset
"2023-10-29T02:15:30+0𝟙:00[Europe/Amsterdam]",
"2020-08-15T12:08:30.000000001+29:00[Europe/Berlin]", # out of range offset
f"2023-10-29T02:15:30+02:00[{'X'*9999}]", # huge tz
f"2023-10-29T02:15:30+02:00[{chr(1600)}]", # non-ascii
],
)
def test_invalid(self, s):
Expand All @@ -776,6 +774,16 @@ def test_invalid_tz(self):
with pytest.raises(ZoneInfoNotFoundError):
ZonedDateTime.parse_common_iso("2020-08-15T12:08:30Z[X]")

with pytest.raises((ZoneInfoNotFoundError, ValueError)):
ZonedDateTime.parse_common_iso(
f"2023-10-29T02:15:30+02:00[{'X'*9999}]"
)

with pytest.raises((ZoneInfoNotFoundError, ValueError)):
ZonedDateTime.parse_common_iso(
f"2023-10-29T02:15:30+02:00[{chr(1600)}]",
)

@pytest.mark.parametrize(
"s",
[
Expand Down Expand Up @@ -929,7 +937,7 @@ def test_all(self, method, factor):
with pytest.raises(TypeError, match="got 3|foo"):
method(0, tz="America/New_York", foo="bar")

with pytest.raises(TypeError, match="positional"):
with pytest.raises(TypeError, match="positional|ts"):
method(ts=0, tz="America/New_York")

with pytest.raises(TypeError):
Expand Down