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May 14, 2024
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time.{tzname,timezone,daylight} #5323

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64 changes: 60 additions & 4 deletions vm/src/stdlib/time.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -2,10 +2,35 @@

// See also:
// https://docs.python.org/3/library/time.html
pub use time::*;
use crate::{builtins::PyModule, PyRef, VirtualMachine};

pub use decl::time;

pub(crate) fn make_module(vm: &VirtualMachine) -> PyRef<PyModule> {
#[cfg(not(target_env = "msvc"))]
#[cfg(not(target_arch = "wasm32"))]
unsafe {
c_tzset()
};
decl::make_module(vm)
}

#[cfg(not(target_env = "msvc"))]
#[cfg(not(target_arch = "wasm32"))]
extern "C" {
#[link_name = "daylight"]
static c_daylight: std::ffi::c_int;
// pub static dstbias: std::ffi::c_int;
#[link_name = "timezone"]
static c_timezone: std::ffi::c_long;
#[link_name = "tzname"]
static c_tzname: [*const std::ffi::c_char; 2];
#[link_name = "tzset"]
fn c_tzset();
}

#[pymodule(name = "time", with(platform))]
mod time {
mod decl {
use crate::{
builtins::{PyStrRef, PyTypeRef},
function::{Either, FuncArgs, OptionalArg},
Expand Down Expand Up @@ -110,6 +135,37 @@ mod time {
Ok(get_perf_time(vm)?.as_nanos())
}

// #[pyfunction]
// fn tzset() {
// unsafe { super::_tzset() };
// }

#[cfg(not(target_env = "msvc"))]
#[cfg(not(target_arch = "wasm32"))]
#[pyattr]
fn timezone(_vm: &VirtualMachine) -> std::ffi::c_long {
unsafe { super::c_timezone }
}

#[cfg(not(target_env = "msvc"))]
#[cfg(not(target_arch = "wasm32"))]
#[pyattr]
fn daylight(_vm: &VirtualMachine) -> std::ffi::c_int {
unsafe { super::c_daylight }
}

#[cfg(not(target_env = "msvc"))]
#[cfg(not(target_arch = "wasm32"))]
#[pyattr]
fn tzname(vm: &VirtualMachine) -> crate::builtins::PyTupleRef {
use crate::builtins::tuple::IntoPyTuple;

unsafe fn to_str(s: *const std::ffi::c_char) -> String {
std::ffi::CStr::from_ptr(s).to_string_lossy().into_owned()
}
unsafe { (to_str(super::c_tzname[0]), to_str(super::c_tzname[1])) }.into_pytuple(vm)
}

fn pyobj_to_date_time(
value: Either<f64, i64>,
vm: &VirtualMachine,
Expand Down Expand Up @@ -384,7 +440,7 @@ mod time {
#[pymodule(sub)]
mod platform {
#[allow(unused_imports)]
use super::{SEC_TO_NS, US_TO_NS};
use super::decl::{SEC_TO_NS, US_TO_NS};
#[cfg_attr(target_os = "macos", allow(unused_imports))]
use crate::{
builtins::{PyNamespace, PyStrRef},
Expand Down Expand Up @@ -621,7 +677,7 @@ mod platform {
#[cfg(windows)]
#[pymodule]
mod platform {
use super::{time_muldiv, MS_TO_NS, SEC_TO_NS};
use super::decl::{time_muldiv, MS_TO_NS, SEC_TO_NS};
use crate::{
builtins::{PyNamespace, PyStrRef},
stdlib::os::errno_err,
Expand Down