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use cpython::exc;
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use cpython::ObjectProtocol;
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use cpython::PyBytes;
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use cpython::PyErr;
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use cpython::PyNone;
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use cpython::PyObject;
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use cpython::PyResult;
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use cpython::Python;
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use cpython::PythonObject;
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use hg::dirstate::DirstateEntry;
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use hg::dirstate::EntryState;
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use hg::dirstate::TruncatedTimestamp;
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use std::cell::Cell;
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use std::convert::TryFrom;
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py_class!(pub class DirstateItem |py| {
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data entry: Cell<DirstateEntry>;
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def __new__(
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_cls,
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wc_tracked: bool = false,
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p1_tracked: bool = false,
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p2_info: bool = false,
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has_meaningful_data: bool = true,
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has_meaningful_mtime: bool = true,
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parentfiledata: Option<(u32, u32, Option<(u32, u32, bool)>)> = None,
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fallback_exec: Option<bool> = None,
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fallback_symlink: Option<bool> = None,
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) -> PyResult<DirstateItem> {
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let mut mode_size_opt = None;
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let mut mtime_opt = None;
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if let Some((mode, size, mtime)) = parentfiledata {
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if has_meaningful_data {
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mode_size_opt = Some((mode, size))
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}
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if has_meaningful_mtime {
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if let Some(m) = mtime {
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mtime_opt = Some(timestamp(py, m)?);
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}
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}
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}
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let entry = DirstateEntry::from_v2_data(
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wc_tracked,
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p1_tracked,
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p2_info,
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mode_size_opt,
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mtime_opt,
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fallback_exec,
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fallback_symlink,
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);
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DirstateItem::create_instance(py, Cell::new(entry))
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}
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@property
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def state(&self) -> PyResult<PyBytes> {
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let state_byte: u8 = self.entry(py).get().state().into();
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Ok(PyBytes::new(py, &[state_byte]))
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}
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@property
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def mode(&self) -> PyResult<i32> {
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Ok(self.entry(py).get().mode())
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}
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@property
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def size(&self) -> PyResult<i32> {
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Ok(self.entry(py).get().size())
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}
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@property
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def mtime(&self) -> PyResult<i32> {
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Ok(self.entry(py).get().mtime())
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}
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@property
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def has_fallback_exec(&self) -> PyResult<bool> {
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match self.entry(py).get().get_fallback_exec() {
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Some(_) => Ok(true),
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None => Ok(false),
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}
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}
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@property
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def fallback_exec(&self) -> PyResult<Option<bool>> {
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match self.entry(py).get().get_fallback_exec() {
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Some(exec) => Ok(Some(exec)),
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None => Ok(None),
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}
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}
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@fallback_exec.setter
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def set_fallback_exec(&self, value: Option<PyObject>) -> PyResult<()> {
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match value {
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None => {self.entry(py).get().set_fallback_exec(None);},
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Some(value) => {
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if value.is_none(py) {
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self.entry(py).get().set_fallback_exec(None);
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} else {
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self.entry(py).get().set_fallback_exec(
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Some(value.is_true(py)?)
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);
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}},
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}
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Ok(())
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}
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@property
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def has_fallback_symlink(&self) -> PyResult<bool> {
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match self.entry(py).get().get_fallback_symlink() {
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Some(_) => Ok(true),
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None => Ok(false),
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}
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}
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@property
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def fallback_symlink(&self) -> PyResult<Option<bool>> {
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match self.entry(py).get().get_fallback_symlink() {
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Some(symlink) => Ok(Some(symlink)),
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None => Ok(None),
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}
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}
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@fallback_symlink.setter
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def set_fallback_symlink(&self, value: Option<PyObject>) -> PyResult<()> {
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match value {
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None => {self.entry(py).get().set_fallback_symlink(None);},
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Some(value) => {
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if value.is_none(py) {
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self.entry(py).get().set_fallback_symlink(None);
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} else {
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self.entry(py).get().set_fallback_symlink(
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Some(value.is_true(py)?)
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);
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}},
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}
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Ok(())
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}
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@property
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def tracked(&self) -> PyResult<bool> {
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Ok(self.entry(py).get().tracked())
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}
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@property
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def p1_tracked(&self) -> PyResult<bool> {
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Ok(self.entry(py).get().p1_tracked())
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}
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@property
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def added(&self) -> PyResult<bool> {
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Ok(self.entry(py).get().added())
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}
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@property
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def p2_info(&self) -> PyResult<bool> {
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Ok(self.entry(py).get().p2_info())
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}
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@property
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def removed(&self) -> PyResult<bool> {
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Ok(self.entry(py).get().removed())
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}
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@property
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def maybe_clean(&self) -> PyResult<bool> {
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Ok(self.entry(py).get().maybe_clean())
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}
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@property
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def any_tracked(&self) -> PyResult<bool> {
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Ok(self.entry(py).get().any_tracked())
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}
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def v1_state(&self) -> PyResult<PyBytes> {
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let (state, _mode, _size, _mtime) = self.entry(py).get().v1_data();
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let state_byte: u8 = state.into();
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Ok(PyBytes::new(py, &[state_byte]))
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}
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def v1_mode(&self) -> PyResult<i32> {
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let (_state, mode, _size, _mtime) = self.entry(py).get().v1_data();
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Ok(mode)
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}
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def v1_size(&self) -> PyResult<i32> {
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let (_state, _mode, size, _mtime) = self.entry(py).get().v1_data();
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Ok(size)
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}
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def v1_mtime(&self) -> PyResult<i32> {
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let (_state, _mode, _size, mtime) = self.entry(py).get().v1_data();
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Ok(mtime)
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}
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def mtime_likely_equal_to(&self, other: (u32, u32, bool))
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-> PyResult<bool> {
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if let Some(mtime) = self.entry(py).get().truncated_mtime() {
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Ok(mtime.likely_equal(timestamp(py, other)?))
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} else {
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Ok(false)
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}
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}
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@classmethod
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def from_v1_data(
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_cls,
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state: PyBytes,
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mode: i32,
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size: i32,
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mtime: i32,
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) -> PyResult<Self> {
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let state = <[u8; 1]>::try_from(state.data(py))
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.ok()
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.and_then(|state| EntryState::try_from(state[0]).ok())
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.ok_or_else(|| PyErr::new::<exc::ValueError, _>(py, "invalid state"))?;
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let entry = DirstateEntry::from_v1_data(state, mode, size, mtime);
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DirstateItem::create_instance(py, Cell::new(entry))
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}
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def drop_merge_data(&self) -> PyResult<PyNone> {
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self.update(py, |entry| entry.drop_merge_data());
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Ok(PyNone)
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}
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def set_clean(
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&self,
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mode: u32,
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size: u32,
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mtime: (u32, u32, bool),
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) -> PyResult<PyNone> {
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let mtime = timestamp(py, mtime)?;
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self.update(py, |entry| entry.set_clean(mode, size, mtime));
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Ok(PyNone)
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}
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def set_possibly_dirty(&self) -> PyResult<PyNone> {
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self.update(py, |entry| entry.set_possibly_dirty());
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Ok(PyNone)
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}
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def set_tracked(&self) -> PyResult<PyNone> {
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self.update(py, |entry| entry.set_tracked());
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Ok(PyNone)
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}
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def set_untracked(&self) -> PyResult<PyNone> {
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self.update(py, |entry| entry.set_untracked());
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Ok(PyNone)
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}
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});
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impl DirstateItem {
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pub fn new_as_pyobject(
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py: Python<'_>,
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entry: DirstateEntry,
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) -> PyResult<PyObject> {
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Ok(DirstateItem::create_instance(py, Cell::new(entry))?.into_object())
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}
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pub fn get_entry(&self, py: Python<'_>) -> DirstateEntry {
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self.entry(py).get()
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}
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// TODO: Use https://doc.rust-lang.org/std/cell/struct.Cell.html#method.update instead when it’s stable
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pub fn update(&self, py: Python<'_>, f: impl FnOnce(&mut DirstateEntry)) {
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let mut entry = self.entry(py).get();
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f(&mut entry);
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self.entry(py).set(entry)
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}
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}
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pub(crate) fn timestamp(
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py: Python<'_>,
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(s, ns, second_ambiguous): (u32, u32, bool),
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) -> PyResult<TruncatedTimestamp> {
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TruncatedTimestamp::from_already_truncated(s, ns, second_ambiguous)
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.map_err(|_| {
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PyErr::new::<exc::ValueError, _>(
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py,
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"expected mtime truncated to 31 bits",
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)
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})
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}
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