pyo3/types/datetime.rs
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//! Safe Rust wrappers for types defined in the Python `datetime` library
//!
//! For more details about these types, see the [Python
//! documentation](https://docs.python.org/3/library/datetime.html)
use crate::err::PyResult;
use crate::ffi::{
self, PyDateTime_CAPI, PyDateTime_FromTimestamp, PyDateTime_IMPORT, PyDate_FromTimestamp,
};
use crate::ffi::{
PyDateTime_DATE_GET_FOLD, PyDateTime_DATE_GET_HOUR, PyDateTime_DATE_GET_MICROSECOND,
PyDateTime_DATE_GET_MINUTE, PyDateTime_DATE_GET_SECOND,
};
#[cfg(GraalPy)]
use crate::ffi::{PyDateTime_DATE_GET_TZINFO, PyDateTime_TIME_GET_TZINFO, Py_IsNone};
use crate::ffi::{
PyDateTime_DELTA_GET_DAYS, PyDateTime_DELTA_GET_MICROSECONDS, PyDateTime_DELTA_GET_SECONDS,
};
use crate::ffi::{PyDateTime_GET_DAY, PyDateTime_GET_MONTH, PyDateTime_GET_YEAR};
use crate::ffi::{
PyDateTime_TIME_GET_FOLD, PyDateTime_TIME_GET_HOUR, PyDateTime_TIME_GET_MICROSECOND,
PyDateTime_TIME_GET_MINUTE, PyDateTime_TIME_GET_SECOND,
};
use crate::ffi_ptr_ext::FfiPtrExt;
use crate::py_result_ext::PyResultExt;
use crate::types::any::PyAnyMethods;
use crate::types::PyTuple;
use crate::{Bound, IntoPyObject, PyAny, PyErr, Python};
use std::os::raw::c_int;
#[cfg(feature = "chrono")]
use std::ptr;
fn ensure_datetime_api(py: Python<'_>) -> PyResult<&'static PyDateTime_CAPI> {
if let Some(api) = unsafe { pyo3_ffi::PyDateTimeAPI().as_ref() } {
Ok(api)
} else {
unsafe {
PyDateTime_IMPORT();
pyo3_ffi::PyDateTimeAPI().as_ref()
}
.ok_or_else(|| PyErr::fetch(py))
}
}
fn expect_datetime_api(py: Python<'_>) -> &'static PyDateTime_CAPI {
ensure_datetime_api(py).expect("failed to import `datetime` C API")
}
// Type Check macros
//
// These are bindings around the C API typecheck macros, all of them return
// `1` if True and `0` if False. In all type check macros, the argument (`op`)
// must not be `NULL`. The implementations here all call ensure_datetime_api
// to ensure that the PyDateTimeAPI is initialized before use
//
//
// # Safety
//
// These functions must only be called when the GIL is held!
macro_rules! ffi_fun_with_autoinit {
($(#[$outer:meta] unsafe fn $name: ident($arg: ident: *mut PyObject) -> $ret: ty;)*) => {
$(
#[$outer]
#[allow(non_snake_case)]
/// # Safety
///
/// Must only be called while the GIL is held
unsafe fn $name($arg: *mut crate::ffi::PyObject) -> $ret {
let _ = ensure_datetime_api(Python::assume_gil_acquired());
crate::ffi::$name($arg)
}
)*
};
}
ffi_fun_with_autoinit! {
/// Check if `op` is a `PyDateTimeAPI.DateType` or subtype.
unsafe fn PyDate_Check(op: *mut PyObject) -> c_int;
/// Check if `op` is a `PyDateTimeAPI.DateTimeType` or subtype.
unsafe fn PyDateTime_Check(op: *mut PyObject) -> c_int;
/// Check if `op` is a `PyDateTimeAPI.TimeType` or subtype.
unsafe fn PyTime_Check(op: *mut PyObject) -> c_int;
/// Check if `op` is a `PyDateTimeAPI.DetaType` or subtype.
unsafe fn PyDelta_Check(op: *mut PyObject) -> c_int;
/// Check if `op` is a `PyDateTimeAPI.TZInfoType` or subtype.
unsafe fn PyTZInfo_Check(op: *mut PyObject) -> c_int;
}
// Access traits
/// Trait for accessing the date components of a struct containing a date.
pub trait PyDateAccess {
/// Returns the year, as a positive int.
///
/// Implementations should conform to the upstream documentation:
/// <https://docs.python.org/3/c-api/datetime.html#c.PyDateTime_GET_YEAR>
fn get_year(&self) -> i32;
/// Returns the month, as an int from 1 through 12.
///
/// Implementations should conform to the upstream documentation:
/// <https://docs.python.org/3/c-api/datetime.html#c.PyDateTime_GET_MONTH>
fn get_month(&self) -> u8;
/// Returns the day, as an int from 1 through 31.
///
/// Implementations should conform to the upstream documentation:
/// <https://docs.python.org/3/c-api/datetime.html#c.PyDateTime_GET_DAY>
fn get_day(&self) -> u8;
}
/// Trait for accessing the components of a struct containing a timedelta.
///
/// Note: These access the individual components of a (day, second,
/// microsecond) representation of the delta, they are *not* intended as
/// aliases for calculating the total duration in each of these units.
pub trait PyDeltaAccess {
/// Returns the number of days, as an int from -999999999 to 999999999.
///
/// Implementations should conform to the upstream documentation:
/// <https://docs.python.org/3/c-api/datetime.html#c.PyDateTime_DELTA_GET_DAYS>
fn get_days(&self) -> i32;
/// Returns the number of seconds, as an int from 0 through 86399.
///
/// Implementations should conform to the upstream documentation:
/// <https://docs.python.org/3/c-api/datetime.html#c.PyDateTime_DELTA_GET_DAYS>
fn get_seconds(&self) -> i32;
/// Returns the number of microseconds, as an int from 0 through 999999.
///
/// Implementations should conform to the upstream documentation:
/// <https://docs.python.org/3/c-api/datetime.html#c.PyDateTime_DELTA_GET_DAYS>
fn get_microseconds(&self) -> i32;
}
/// Trait for accessing the time components of a struct containing a time.
pub trait PyTimeAccess {
/// Returns the hour, as an int from 0 through 23.
///
/// Implementations should conform to the upstream documentation:
/// <https://docs.python.org/3/c-api/datetime.html#c.PyDateTime_DATE_GET_HOUR>
fn get_hour(&self) -> u8;
/// Returns the minute, as an int from 0 through 59.
///
/// Implementations should conform to the upstream documentation:
/// <https://docs.python.org/3/c-api/datetime.html#c.PyDateTime_DATE_GET_MINUTE>
fn get_minute(&self) -> u8;
/// Returns the second, as an int from 0 through 59.
///
/// Implementations should conform to the upstream documentation:
/// <https://docs.python.org/3/c-api/datetime.html#c.PyDateTime_DATE_GET_SECOND>
fn get_second(&self) -> u8;
/// Returns the microsecond, as an int from 0 through 999999.
///
/// Implementations should conform to the upstream documentation:
/// <https://docs.python.org/3/c-api/datetime.html#c.PyDateTime_DATE_GET_MICROSECOND>
fn get_microsecond(&self) -> u32;
/// Returns whether this date is the later of two moments with the
/// same representation, during a repeated interval.
///
/// This typically occurs at the end of daylight savings time. Only valid if the
/// represented time is ambiguous.
/// See [PEP 495](https://www.python.org/dev/peps/pep-0495/) for more detail.
fn get_fold(&self) -> bool;
}
/// Trait for accessing the components of a struct containing a tzinfo.
pub trait PyTzInfoAccess<'py> {
/// Returns the tzinfo (which may be None).
///
/// Implementations should conform to the upstream documentation:
/// <https://docs.python.org/3/c-api/datetime.html#c.PyDateTime_DATE_GET_TZINFO>
/// <https://docs.python.org/3/c-api/datetime.html#c.PyDateTime_TIME_GET_TZINFO>
fn get_tzinfo(&self) -> Option<Bound<'py, PyTzInfo>>;
/// Deprecated name for [`PyTzInfoAccess::get_tzinfo`].
#[deprecated(since = "0.23.0", note = "renamed to `PyTzInfoAccess::get_tzinfo`")]
#[inline]
fn get_tzinfo_bound(&self) -> Option<Bound<'py, PyTzInfo>> {
self.get_tzinfo()
}
}
/// Bindings around `datetime.date`.
///
/// Values of this type are accessed via PyO3's smart pointers, e.g. as
/// [`Py<PyDate>`][crate::Py] or [`Bound<'py, PyDate>`][Bound].
#[repr(transparent)]
pub struct PyDate(PyAny);
pyobject_native_type!(
PyDate,
crate::ffi::PyDateTime_Date,
|py| expect_datetime_api(py).DateType,
#module=Some("datetime"),
#checkfunction=PyDate_Check
);
pyobject_subclassable_native_type!(PyDate, crate::ffi::PyDateTime_Date);
impl PyDate {
/// Creates a new `datetime.date`.
pub fn new(py: Python<'_>, year: i32, month: u8, day: u8) -> PyResult<Bound<'_, PyDate>> {
let api = ensure_datetime_api(py)?;
unsafe {
(api.Date_FromDate)(year, c_int::from(month), c_int::from(day), api.DateType)
.assume_owned_or_err(py)
.downcast_into_unchecked()
}
}
/// Deprecated name for [`PyDate::new`].
#[deprecated(since = "0.23.0", note = "renamed to `PyDate::new`")]
#[inline]
pub fn new_bound(py: Python<'_>, year: i32, month: u8, day: u8) -> PyResult<Bound<'_, PyDate>> {
Self::new(py, year, month, day)
}
/// Construct a `datetime.date` from a POSIX timestamp
///
/// This is equivalent to `datetime.date.fromtimestamp`
pub fn from_timestamp(py: Python<'_>, timestamp: i64) -> PyResult<Bound<'_, PyDate>> {
let time_tuple = PyTuple::new(py, [timestamp])?;
// safety ensure that the API is loaded
let _api = ensure_datetime_api(py)?;
unsafe {
PyDate_FromTimestamp(time_tuple.as_ptr())
.assume_owned_or_err(py)
.downcast_into_unchecked()
}
}
/// Deprecated name for [`PyDate::from_timestamp`].
#[deprecated(since = "0.23.0", note = "renamed to `PyDate::from_timestamp`")]
#[inline]
pub fn from_timestamp_bound(py: Python<'_>, timestamp: i64) -> PyResult<Bound<'_, PyDate>> {
Self::from_timestamp(py, timestamp)
}
}
impl PyDateAccess for Bound<'_, PyDate> {
fn get_year(&self) -> i32 {
unsafe { PyDateTime_GET_YEAR(self.as_ptr()) }
}
fn get_month(&self) -> u8 {
unsafe { PyDateTime_GET_MONTH(self.as_ptr()) as u8 }
}
fn get_day(&self) -> u8 {
unsafe { PyDateTime_GET_DAY(self.as_ptr()) as u8 }
}
}
/// Bindings for `datetime.datetime`.
///
/// Values of this type are accessed via PyO3's smart pointers, e.g. as
/// [`Py<PyDateTime>`][crate::Py] or [`Bound<'py, PyDateTime>`][Bound].
#[repr(transparent)]
pub struct PyDateTime(PyAny);
pyobject_native_type!(
PyDateTime,
crate::ffi::PyDateTime_DateTime,
|py| expect_datetime_api(py).DateTimeType,
#module=Some("datetime"),
#checkfunction=PyDateTime_Check
);
pyobject_subclassable_native_type!(PyDateTime, crate::ffi::PyDateTime_DateTime);
impl PyDateTime {
/// Creates a new `datetime.datetime` object.
#[allow(clippy::too_many_arguments)]
pub fn new<'py>(
py: Python<'py>,
year: i32,
month: u8,
day: u8,
hour: u8,
minute: u8,
second: u8,
microsecond: u32,
tzinfo: Option<&Bound<'py, PyTzInfo>>,
) -> PyResult<Bound<'py, PyDateTime>> {
let api = ensure_datetime_api(py)?;
unsafe {
(api.DateTime_FromDateAndTime)(
year,
c_int::from(month),
c_int::from(day),
c_int::from(hour),
c_int::from(minute),
c_int::from(second),
microsecond as c_int,
opt_to_pyobj(tzinfo),
api.DateTimeType,
)
.assume_owned_or_err(py)
.downcast_into_unchecked()
}
}
/// Deprecated name for [`PyDateTime::new`].
#[deprecated(since = "0.23.0", note = "renamed to `PyDateTime::new`")]
#[inline]
#[allow(clippy::too_many_arguments)]
pub fn new_bound<'py>(
py: Python<'py>,
year: i32,
month: u8,
day: u8,
hour: u8,
minute: u8,
second: u8,
microsecond: u32,
tzinfo: Option<&Bound<'py, PyTzInfo>>,
) -> PyResult<Bound<'py, PyDateTime>> {
Self::new(
py,
year,
month,
day,
hour,
minute,
second,
microsecond,
tzinfo,
)
}
/// Alternate constructor that takes a `fold` parameter. A `true` value for this parameter
/// signifies this this datetime is the later of two moments with the same representation,
/// during a repeated interval.
///
/// This typically occurs at the end of daylight savings time. Only valid if the
/// represented time is ambiguous.
/// See [PEP 495](https://www.python.org/dev/peps/pep-0495/) for more detail.
#[allow(clippy::too_many_arguments)]
pub fn new_with_fold<'py>(
py: Python<'py>,
year: i32,
month: u8,
day: u8,
hour: u8,
minute: u8,
second: u8,
microsecond: u32,
tzinfo: Option<&Bound<'py, PyTzInfo>>,
fold: bool,
) -> PyResult<Bound<'py, PyDateTime>> {
let api = ensure_datetime_api(py)?;
unsafe {
(api.DateTime_FromDateAndTimeAndFold)(
year,
c_int::from(month),
c_int::from(day),
c_int::from(hour),
c_int::from(minute),
c_int::from(second),
microsecond as c_int,
opt_to_pyobj(tzinfo),
c_int::from(fold),
api.DateTimeType,
)
.assume_owned_or_err(py)
.downcast_into_unchecked()
}
}
/// Deprecated name for [`PyDateTime::new_with_fold`].
#[deprecated(since = "0.23.0", note = "renamed to `PyDateTime::new_with_fold`")]
#[inline]
#[allow(clippy::too_many_arguments)]
pub fn new_bound_with_fold<'py>(
py: Python<'py>,
year: i32,
month: u8,
day: u8,
hour: u8,
minute: u8,
second: u8,
microsecond: u32,
tzinfo: Option<&Bound<'py, PyTzInfo>>,
fold: bool,
) -> PyResult<Bound<'py, PyDateTime>> {
Self::new_with_fold(
py,
year,
month,
day,
hour,
minute,
second,
microsecond,
tzinfo,
fold,
)
}
/// Construct a `datetime` object from a POSIX timestamp
///
/// This is equivalent to `datetime.datetime.fromtimestamp`
pub fn from_timestamp<'py>(
py: Python<'py>,
timestamp: f64,
tzinfo: Option<&Bound<'py, PyTzInfo>>,
) -> PyResult<Bound<'py, PyDateTime>> {
let args = (timestamp, tzinfo).into_pyobject(py)?;
// safety ensure API is loaded
let _api = ensure_datetime_api(py)?;
unsafe {
PyDateTime_FromTimestamp(args.as_ptr())
.assume_owned_or_err(py)
.downcast_into_unchecked()
}
}
/// Deprecated name for [`PyDateTime::from_timestamp`].
#[deprecated(since = "0.23.0", note = "renamed to `PyDateTime::from_timestamp`")]
#[inline]
pub fn from_timestamp_bound<'py>(
py: Python<'py>,
timestamp: f64,
tzinfo: Option<&Bound<'py, PyTzInfo>>,
) -> PyResult<Bound<'py, PyDateTime>> {
Self::from_timestamp(py, timestamp, tzinfo)
}
}
impl PyDateAccess for Bound<'_, PyDateTime> {
fn get_year(&self) -> i32 {
unsafe { PyDateTime_GET_YEAR(self.as_ptr()) }
}
fn get_month(&self) -> u8 {
unsafe { PyDateTime_GET_MONTH(self.as_ptr()) as u8 }
}
fn get_day(&self) -> u8 {
unsafe { PyDateTime_GET_DAY(self.as_ptr()) as u8 }
}
}
impl PyTimeAccess for Bound<'_, PyDateTime> {
fn get_hour(&self) -> u8 {
unsafe { PyDateTime_DATE_GET_HOUR(self.as_ptr()) as u8 }
}
fn get_minute(&self) -> u8 {
unsafe { PyDateTime_DATE_GET_MINUTE(self.as_ptr()) as u8 }
}
fn get_second(&self) -> u8 {
unsafe { PyDateTime_DATE_GET_SECOND(self.as_ptr()) as u8 }
}
fn get_microsecond(&self) -> u32 {
unsafe { PyDateTime_DATE_GET_MICROSECOND(self.as_ptr()) as u32 }
}
fn get_fold(&self) -> bool {
unsafe { PyDateTime_DATE_GET_FOLD(self.as_ptr()) > 0 }
}
}
impl<'py> PyTzInfoAccess<'py> for Bound<'py, PyDateTime> {
fn get_tzinfo(&self) -> Option<Bound<'py, PyTzInfo>> {
let ptr = self.as_ptr() as *mut ffi::PyDateTime_DateTime;
#[cfg(not(GraalPy))]
unsafe {
if (*ptr).hastzinfo != 0 {
Some(
(*ptr)
.tzinfo
.assume_borrowed(self.py())
.to_owned()
.downcast_into_unchecked(),
)
} else {
None
}
}
#[cfg(GraalPy)]
unsafe {
let res = PyDateTime_DATE_GET_TZINFO(ptr as *mut ffi::PyObject);
if Py_IsNone(res) == 1 {
None
} else {
Some(
res.assume_borrowed(self.py())
.to_owned()
.downcast_into_unchecked(),
)
}
}
}
}
/// Bindings for `datetime.time`.
///
/// Values of this type are accessed via PyO3's smart pointers, e.g. as
/// [`Py<PyTime>`][crate::Py] or [`Bound<'py, PyTime>`][Bound].
#[repr(transparent)]
pub struct PyTime(PyAny);
pyobject_native_type!(
PyTime,
crate::ffi::PyDateTime_Time,
|py| expect_datetime_api(py).TimeType,
#module=Some("datetime"),
#checkfunction=PyTime_Check
);
pyobject_subclassable_native_type!(PyTime, crate::ffi::PyDateTime_Time);
impl PyTime {
/// Creates a new `datetime.time` object.
pub fn new<'py>(
py: Python<'py>,
hour: u8,
minute: u8,
second: u8,
microsecond: u32,
tzinfo: Option<&Bound<'py, PyTzInfo>>,
) -> PyResult<Bound<'py, PyTime>> {
let api = ensure_datetime_api(py)?;
unsafe {
(api.Time_FromTime)(
c_int::from(hour),
c_int::from(minute),
c_int::from(second),
microsecond as c_int,
opt_to_pyobj(tzinfo),
api.TimeType,
)
.assume_owned_or_err(py)
.downcast_into_unchecked()
}
}
/// Deprecated name for [`PyTime::new`].
#[deprecated(since = "0.23.0", note = "renamed to `PyTime::new`")]
#[inline]
pub fn new_bound<'py>(
py: Python<'py>,
hour: u8,
minute: u8,
second: u8,
microsecond: u32,
tzinfo: Option<&Bound<'py, PyTzInfo>>,
) -> PyResult<Bound<'py, PyTime>> {
Self::new(py, hour, minute, second, microsecond, tzinfo)
}
/// Alternate constructor that takes a `fold` argument. See [`PyDateTime::new_bound_with_fold`].
pub fn new_with_fold<'py>(
py: Python<'py>,
hour: u8,
minute: u8,
second: u8,
microsecond: u32,
tzinfo: Option<&Bound<'py, PyTzInfo>>,
fold: bool,
) -> PyResult<Bound<'py, PyTime>> {
let api = ensure_datetime_api(py)?;
unsafe {
(api.Time_FromTimeAndFold)(
c_int::from(hour),
c_int::from(minute),
c_int::from(second),
microsecond as c_int,
opt_to_pyobj(tzinfo),
fold as c_int,
api.TimeType,
)
.assume_owned_or_err(py)
.downcast_into_unchecked()
}
}
/// Deprecated name for [`PyTime::new_with_fold`].
#[deprecated(since = "0.23.0", note = "renamed to `PyTime::new_with_fold`")]
#[inline]
pub fn new_bound_with_fold<'py>(
py: Python<'py>,
hour: u8,
minute: u8,
second: u8,
microsecond: u32,
tzinfo: Option<&Bound<'py, PyTzInfo>>,
fold: bool,
) -> PyResult<Bound<'py, PyTime>> {
Self::new_with_fold(py, hour, minute, second, microsecond, tzinfo, fold)
}
}
impl PyTimeAccess for Bound<'_, PyTime> {
fn get_hour(&self) -> u8 {
unsafe { PyDateTime_TIME_GET_HOUR(self.as_ptr()) as u8 }
}
fn get_minute(&self) -> u8 {
unsafe { PyDateTime_TIME_GET_MINUTE(self.as_ptr()) as u8 }
}
fn get_second(&self) -> u8 {
unsafe { PyDateTime_TIME_GET_SECOND(self.as_ptr()) as u8 }
}
fn get_microsecond(&self) -> u32 {
unsafe { PyDateTime_TIME_GET_MICROSECOND(self.as_ptr()) as u32 }
}
fn get_fold(&self) -> bool {
unsafe { PyDateTime_TIME_GET_FOLD(self.as_ptr()) != 0 }
}
}
impl<'py> PyTzInfoAccess<'py> for Bound<'py, PyTime> {
fn get_tzinfo(&self) -> Option<Bound<'py, PyTzInfo>> {
let ptr = self.as_ptr() as *mut ffi::PyDateTime_Time;
#[cfg(not(GraalPy))]
unsafe {
if (*ptr).hastzinfo != 0 {
Some(
(*ptr)
.tzinfo
.assume_borrowed(self.py())
.to_owned()
.downcast_into_unchecked(),
)
} else {
None
}
}
#[cfg(GraalPy)]
unsafe {
let res = PyDateTime_TIME_GET_TZINFO(ptr as *mut ffi::PyObject);
if Py_IsNone(res) == 1 {
None
} else {
Some(
res.assume_borrowed(self.py())
.to_owned()
.downcast_into_unchecked(),
)
}
}
}
}
/// Bindings for `datetime.tzinfo`.
///
/// Values of this type are accessed via PyO3's smart pointers, e.g. as
/// [`Py<PyTzInfo>`][crate::Py] or [`Bound<'py, PyTzInfo>`][Bound].
///
/// This is an abstract base class and cannot be constructed directly.
/// For concrete time zone implementations, see [`timezone_utc_bound`] and
/// the [`zoneinfo` module](https://docs.python.org/3/library/zoneinfo.html).
#[repr(transparent)]
pub struct PyTzInfo(PyAny);
pyobject_native_type!(
PyTzInfo,
crate::ffi::PyObject,
|py| expect_datetime_api(py).TZInfoType,
#module=Some("datetime"),
#checkfunction=PyTZInfo_Check
);
pyobject_subclassable_native_type!(PyTzInfo, crate::ffi::PyObject);
/// Equivalent to `datetime.timezone.utc`
pub fn timezone_utc(py: Python<'_>) -> Bound<'_, PyTzInfo> {
// TODO: this _could_ have a borrowed form `timezone_utc_borrowed`, but that seems
// like an edge case optimization and we'd prefer in PyO3 0.21 to use `Bound` as
// much as possible
unsafe {
expect_datetime_api(py)
.TimeZone_UTC
.assume_borrowed(py)
.to_owned()
.downcast_into_unchecked()
}
}
/// Deprecated name for [`timezone_utc`].
#[deprecated(since = "0.23.0", note = "renamed to `timezone_utc`")]
#[inline]
pub fn timezone_utc_bound(py: Python<'_>) -> Bound<'_, PyTzInfo> {
timezone_utc(py)
}
/// Equivalent to `datetime.timezone` constructor
///
/// Only used internally
#[cfg(feature = "chrono")]
pub(crate) fn timezone_from_offset<'py>(
offset: &Bound<'py, PyDelta>,
) -> PyResult<Bound<'py, PyTzInfo>> {
let py = offset.py();
let api = ensure_datetime_api(py)?;
unsafe {
(api.TimeZone_FromTimeZone)(offset.as_ptr(), ptr::null_mut())
.assume_owned_or_err(py)
.downcast_into_unchecked()
}
}
/// Bindings for `datetime.timedelta`.
///
/// Values of this type are accessed via PyO3's smart pointers, e.g. as
/// [`Py<PyDelta>`][crate::Py] or [`Bound<'py, PyDelta>`][Bound].
#[repr(transparent)]
pub struct PyDelta(PyAny);
pyobject_native_type!(
PyDelta,
crate::ffi::PyDateTime_Delta,
|py| expect_datetime_api(py).DeltaType,
#module=Some("datetime"),
#checkfunction=PyDelta_Check
);
pyobject_subclassable_native_type!(PyDelta, crate::ffi::PyDateTime_Delta);
impl PyDelta {
/// Creates a new `timedelta`.
pub fn new(
py: Python<'_>,
days: i32,
seconds: i32,
microseconds: i32,
normalize: bool,
) -> PyResult<Bound<'_, PyDelta>> {
let api = ensure_datetime_api(py)?;
unsafe {
(api.Delta_FromDelta)(
days as c_int,
seconds as c_int,
microseconds as c_int,
normalize as c_int,
api.DeltaType,
)
.assume_owned_or_err(py)
.downcast_into_unchecked()
}
}
/// Deprecated name for [`PyDelta::new`].
#[deprecated(since = "0.23.0", note = "renamed to `PyDelta::new`")]
#[inline]
pub fn new_bound(
py: Python<'_>,
days: i32,
seconds: i32,
microseconds: i32,
normalize: bool,
) -> PyResult<Bound<'_, PyDelta>> {
Self::new(py, days, seconds, microseconds, normalize)
}
}
impl PyDeltaAccess for Bound<'_, PyDelta> {
fn get_days(&self) -> i32 {
unsafe { PyDateTime_DELTA_GET_DAYS(self.as_ptr()) }
}
fn get_seconds(&self) -> i32 {
unsafe { PyDateTime_DELTA_GET_SECONDS(self.as_ptr()) }
}
fn get_microseconds(&self) -> i32 {
unsafe { PyDateTime_DELTA_GET_MICROSECONDS(self.as_ptr()) }
}
}
// Utility function which returns a borrowed reference to either
// the underlying tzinfo or None.
fn opt_to_pyobj(opt: Option<&Bound<'_, PyTzInfo>>) -> *mut ffi::PyObject {
match opt {
Some(tzi) => tzi.as_ptr(),
None => unsafe { ffi::Py_None() },
}
}
#[cfg(test)]
mod tests {
use super::*;
#[cfg(feature = "macros")]
use crate::py_run;
#[test]
#[cfg(feature = "macros")]
#[cfg_attr(target_arch = "wasm32", ignore)] // DateTime import fails on wasm for mysterious reasons
fn test_datetime_fromtimestamp() {
Python::with_gil(|py| {
let dt = PyDateTime::from_timestamp(py, 100.0, None).unwrap();
py_run!(
py,
dt,
"import datetime; assert dt == datetime.datetime.fromtimestamp(100)"
);
let dt = PyDateTime::from_timestamp(py, 100.0, Some(&timezone_utc(py))).unwrap();
py_run!(
py,
dt,
"import datetime; assert dt == datetime.datetime.fromtimestamp(100, datetime.timezone.utc)"
);
})
}
#[test]
#[cfg(feature = "macros")]
#[cfg_attr(target_arch = "wasm32", ignore)] // DateTime import fails on wasm for mysterious reasons
fn test_date_fromtimestamp() {
Python::with_gil(|py| {
let dt = PyDate::from_timestamp(py, 100).unwrap();
py_run!(
py,
dt,
"import datetime; assert dt == datetime.date.fromtimestamp(100)"
);
})
}
#[test]
#[cfg_attr(target_arch = "wasm32", ignore)] // DateTime import fails on wasm for mysterious reasons
fn test_new_with_fold() {
Python::with_gil(|py| {
let a = PyDateTime::new_with_fold(py, 2021, 1, 23, 20, 32, 40, 341516, None, false);
let b = PyDateTime::new_with_fold(py, 2021, 1, 23, 20, 32, 40, 341516, None, true);
assert!(!a.unwrap().get_fold());
assert!(b.unwrap().get_fold());
});
}
#[test]
#[cfg_attr(target_arch = "wasm32", ignore)] // DateTime import fails on wasm for mysterious reasons
fn test_get_tzinfo() {
crate::Python::with_gil(|py| {
let utc = timezone_utc(py);
let dt = PyDateTime::new(py, 2018, 1, 1, 0, 0, 0, 0, Some(&utc)).unwrap();
assert!(dt.get_tzinfo().unwrap().eq(&utc).unwrap());
let dt = PyDateTime::new(py, 2018, 1, 1, 0, 0, 0, 0, None).unwrap();
assert!(dt.get_tzinfo().is_none());
let t = PyTime::new(py, 0, 0, 0, 0, Some(&utc)).unwrap();
assert!(t.get_tzinfo().unwrap().eq(utc).unwrap());
let t = PyTime::new(py, 0, 0, 0, 0, None).unwrap();
assert!(t.get_tzinfo().is_none());
});
}
#[test]
#[cfg(all(feature = "macros", feature = "chrono"))]
#[cfg_attr(target_arch = "wasm32", ignore)] // DateTime import fails on wasm for mysterious reasons
fn test_timezone_from_offset() {
use crate::types::PyNone;
Python::with_gil(|py| {
assert!(
timezone_from_offset(&PyDelta::new(py, 0, -3600, 0, true).unwrap())
.unwrap()
.call_method1("utcoffset", (PyNone::get(py),))
.unwrap()
.downcast_into::<PyDelta>()
.unwrap()
.eq(PyDelta::new(py, 0, -3600, 0, true).unwrap())
.unwrap()
);
assert!(
timezone_from_offset(&PyDelta::new(py, 0, 3600, 0, true).unwrap())
.unwrap()
.call_method1("utcoffset", (PyNone::get(py),))
.unwrap()
.downcast_into::<PyDelta>()
.unwrap()
.eq(PyDelta::new(py, 0, 3600, 0, true).unwrap())
.unwrap()
);
timezone_from_offset(&PyDelta::new(py, 1, 0, 0, true).unwrap()).unwrap_err();
})
}
}