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// dirstate_map.rs
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//
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// Copyright 2019 Raphaël Gomès <rgomes@octobus.net>
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//
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// This software may be used and distributed according to the terms of the
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// GNU General Public License version 2 or any later version.
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//! Bindings for the `hg::dirstate::dirstate_map` file provided by the
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//! `hg-core` package.
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use std::cell::{RefCell, RefMut};
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use std::convert::TryInto;
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use cpython::{
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exc, ObjectProtocol, PyBool, PyBytes, PyClone, PyDict, PyErr, PyList,
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PyObject, PyResult, PySet, PyString, Python, PythonObject, ToPyObject,
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UnsafePyLeaked,
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};
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use crate::{
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dirstate::copymap::{CopyMap, CopyMapItemsIterator, CopyMapKeysIterator},
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dirstate::non_normal_entries::{
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NonNormalEntries, NonNormalEntriesIterator,
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},
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dirstate::owning::OwningDirstateMap,
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dirstate::{dirs_multiset::Dirs, make_dirstate_tuple},
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parsers::dirstate_parents_to_pytuple,
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};
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use hg::{
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dirstate::parsers::Timestamp,
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dirstate_tree::dispatch::DirstateMapMethods,
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dirstate_tree::on_disk::DirstateV2ParseError,
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errors::HgError,
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revlog::Node,
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utils::files::normalize_case,
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utils::hg_path::{HgPath, HgPathBuf},
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DirsMultiset, DirstateEntry, DirstateError,
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DirstateMap as RustDirstateMap, DirstateParents, EntryState, StateMapIter,
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};
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// TODO
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// This object needs to share references to multiple members of its Rust
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// inner struct, namely `copy_map`, `dirs` and `all_dirs`.
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// Right now `CopyMap` is done, but it needs to have an explicit reference
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// to `RustDirstateMap` which itself needs to have an encapsulation for
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// every method in `CopyMap` (copymapcopy, etc.).
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// This is ugly and hard to maintain.
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// The same logic applies to `dirs` and `all_dirs`, however the `Dirs`
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// `py_class!` is already implemented and does not mention
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// `RustDirstateMap`, rightfully so.
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// All attributes also have to have a separate refcount data attribute for
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// leaks, with all methods that go along for reference sharing.
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py_class!(pub class DirstateMap |py| {
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@shared data inner: Box<dyn DirstateMapMethods + Send>;
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/// Returns a `(dirstate_map, parents)` tuple
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@staticmethod
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def new(
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use_dirstate_tree: bool,
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use_dirstate_v2: bool,
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on_disk: PyBytes,
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) -> PyResult<PyObject> {
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let dirstate_error = |e: DirstateError| {
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PyErr::new::<exc::OSError, _>(py, format!("Dirstate error: {:?}", e))
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};
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let (inner, parents) = if use_dirstate_tree || use_dirstate_v2 {
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let (map, parents) =
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OwningDirstateMap::new(py, on_disk, use_dirstate_v2)
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.map_err(dirstate_error)?;
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(Box::new(map) as _, parents)
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} else {
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let bytes = on_disk.data(py);
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let mut map = RustDirstateMap::default();
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let parents = map.read(bytes).map_err(dirstate_error)?;
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(Box::new(map) as _, parents)
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};
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let map = Self::create_instance(py, inner)?;
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let parents = parents.map(|p| dirstate_parents_to_pytuple(py, &p));
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Ok((map, parents).to_py_object(py).into_object())
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}
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def clear(&self) -> PyResult<PyObject> {
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self.inner(py).borrow_mut().clear();
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Ok(py.None())
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}
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def get(
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&self,
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key: PyObject,
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default: Option<PyObject> = None
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) -> PyResult<Option<PyObject>> {
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let key = key.extract::<PyBytes>(py)?;
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match self
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.inner(py)
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.borrow()
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.get(HgPath::new(key.data(py)))
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.map_err(|e| v2_error(py, e))?
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{
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Some(entry) => {
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Ok(Some(make_dirstate_tuple(py, &entry)?))
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},
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None => Ok(default)
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}
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}
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def addfile(
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&self,
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f: PyObject,
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oldstate: PyObject,
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state: PyObject,
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mode: PyObject,
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size: PyObject,
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mtime: PyObject
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) -> PyResult<PyObject> {
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self.inner(py).borrow_mut().add_file(
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HgPath::new(f.extract::<PyBytes>(py)?.data(py)),
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oldstate.extract::<PyBytes>(py)?.data(py)[0]
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.try_into()
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.map_err(|e: HgError| {
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PyErr::new::<exc::ValueError, _>(py, e.to_string())
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})?,
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DirstateEntry {
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state: state.extract::<PyBytes>(py)?.data(py)[0]
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.try_into()
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.map_err(|e: HgError| {
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PyErr::new::<exc::ValueError, _>(py, e.to_string())
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})?,
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mode: mode.extract(py)?,
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size: size.extract(py)?,
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mtime: mtime.extract(py)?,
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},
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).and(Ok(py.None())).or_else(|e: DirstateError| {
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Err(PyErr::new::<exc::ValueError, _>(py, e.to_string()))
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})
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}
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def removefile(
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&self,
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f: PyObject,
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oldstate: PyObject,
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size: PyObject
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) -> PyResult<PyObject> {
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self.inner(py).borrow_mut()
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.remove_file(
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HgPath::new(f.extract::<PyBytes>(py)?.data(py)),
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oldstate.extract::<PyBytes>(py)?.data(py)[0]
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.try_into()
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.map_err(|e: HgError| {
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PyErr::new::<exc::ValueError, _>(py, e.to_string())
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})?,
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size.extract(py)?,
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)
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.or_else(|_| {
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Err(PyErr::new::<exc::OSError, _>(
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py,
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"Dirstate error".to_string(),
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))
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})?;
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Ok(py.None())
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}
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def dropfile(
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&self,
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f: PyObject,
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oldstate: PyObject
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) -> PyResult<PyBool> {
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self.inner(py).borrow_mut()
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.drop_file(
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HgPath::new(f.extract::<PyBytes>(py)?.data(py)),
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oldstate.extract::<PyBytes>(py)?.data(py)[0]
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.try_into()
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.map_err(|e: HgError| {
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PyErr::new::<exc::ValueError, _>(py, e.to_string())
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})?,
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)
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.and_then(|b| Ok(b.to_py_object(py)))
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.or_else(|e| {
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Err(PyErr::new::<exc::OSError, _>(
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py,
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format!("Dirstate error: {}", e.to_string()),
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))
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})
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}
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def clearambiguoustimes(
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&self,
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files: PyObject,
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now: PyObject
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) -> PyResult<PyObject> {
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let files: PyResult<Vec<HgPathBuf>> = files
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.iter(py)?
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.map(|filename| {
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Ok(HgPathBuf::from_bytes(
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filename?.extract::<PyBytes>(py)?.data(py),
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))
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})
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.collect();
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self.inner(py)
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.borrow_mut()
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.clear_ambiguous_times(files?, now.extract(py)?)
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.map_err(|e| v2_error(py, e))?;
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Ok(py.None())
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}
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def other_parent_entries(&self) -> PyResult<PyObject> {
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let mut inner_shared = self.inner(py).borrow_mut();
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let set = PySet::empty(py)?;
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for path in inner_shared.iter_other_parent_paths() {
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let path = path.map_err(|e| v2_error(py, e))?;
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set.add(py, PyBytes::new(py, path.as_bytes()))?;
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}
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Ok(set.into_object())
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}
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def non_normal_entries(&self) -> PyResult<NonNormalEntries> {
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NonNormalEntries::from_inner(py, self.clone_ref(py))
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}
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def non_normal_entries_contains(&self, key: PyObject) -> PyResult<bool> {
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let key = key.extract::<PyBytes>(py)?;
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self.inner(py)
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.borrow_mut()
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.non_normal_entries_contains(HgPath::new(key.data(py)))
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.map_err(|e| v2_error(py, e))
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}
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def non_normal_entries_display(&self) -> PyResult<PyString> {
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let mut inner = self.inner(py).borrow_mut();
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let paths = inner
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.iter_non_normal_paths()
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.collect::<Result<Vec<_>, _>>()
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.map_err(|e| v2_error(py, e))?;
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let formatted = format!("NonNormalEntries: {}", hg::utils::join_display(paths, ", "));
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Ok(PyString::new(py, &formatted))
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}
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def non_normal_entries_remove(&self, key: PyObject) -> PyResult<PyObject> {
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let key = key.extract::<PyBytes>(py)?;
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self
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.inner(py)
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.borrow_mut()
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.non_normal_entries_remove(HgPath::new(key.data(py)));
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Ok(py.None())
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}
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def non_normal_or_other_parent_paths(&self) -> PyResult<PyList> {
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let mut inner = self.inner(py).borrow_mut();
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let ret = PyList::new(py, &[]);
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for filename in inner.non_normal_or_other_parent_paths() {
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let filename = filename.map_err(|e| v2_error(py, e))?;
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let as_pystring = PyBytes::new(py, filename.as_bytes());
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ret.append(py, as_pystring.into_object());
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}
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Ok(ret)
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}
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def non_normal_entries_iter(&self) -> PyResult<NonNormalEntriesIterator> {
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// Make sure the sets are defined before we no longer have a mutable
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// reference to the dmap.
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self.inner(py)
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.borrow_mut()
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.set_non_normal_other_parent_entries(false);
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let leaked_ref = self.inner(py).leak_immutable();
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NonNormalEntriesIterator::from_inner(py, unsafe {
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leaked_ref.map(py, |o| {
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o.iter_non_normal_paths_panic()
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})
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})
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}
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def hastrackeddir(&self, d: PyObject) -> PyResult<PyBool> {
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let d = d.extract::<PyBytes>(py)?;
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Ok(self.inner(py).borrow_mut()
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.has_tracked_dir(HgPath::new(d.data(py)))
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.map_err(|e| {
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PyErr::new::<exc::ValueError, _>(py, e.to_string())
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})?
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.to_py_object(py))
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}
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def hasdir(&self, d: PyObject) -> PyResult<PyBool> {
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let d = d.extract::<PyBytes>(py)?;
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Ok(self.inner(py).borrow_mut()
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.has_dir(HgPath::new(d.data(py)))
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.map_err(|e| {
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PyErr::new::<exc::ValueError, _>(py, e.to_string())
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})?
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.to_py_object(py))
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}
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def write(
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&self,
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use_dirstate_v2: bool,
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p1: PyObject,
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p2: PyObject,
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now: PyObject
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) -> PyResult<PyBytes> {
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let now = Timestamp(now.extract(py)?);
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let parents = DirstateParents {
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p1: extract_node_id(py, &p1)?,
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p2: extract_node_id(py, &p2)?,
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};
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let mut inner = self.inner(py).borrow_mut();
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let result = if use_dirstate_v2 {
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inner.pack_v2(parents, now)
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} else {
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inner.pack_v1(parents, now)
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};
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match result {
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Ok(packed) => Ok(PyBytes::new(py, &packed)),
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Err(_) => Err(PyErr::new::<exc::OSError, _>(
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py,
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"Dirstate error".to_string(),
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)),
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}
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}
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def filefoldmapasdict(&self) -> PyResult<PyDict> {
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let dict = PyDict::new(py);
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for item in self.inner(py).borrow_mut().iter() {
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let (path, entry) = item.map_err(|e| v2_error(py, e))?;
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if entry.state != EntryState::Removed {
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let key = normalize_case(path);
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let value = path;
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dict.set_item(
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py,
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PyBytes::new(py, key.as_bytes()).into_object(),
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PyBytes::new(py, value.as_bytes()).into_object(),
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)?;
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}
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}
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Ok(dict)
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}
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def __len__(&self) -> PyResult<usize> {
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Ok(self.inner(py).borrow().len())
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}
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def __contains__(&self, key: PyObject) -> PyResult<bool> {
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let key = key.extract::<PyBytes>(py)?;
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self.inner(py)
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.borrow()
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.contains_key(HgPath::new(key.data(py)))
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.map_err(|e| v2_error(py, e))
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}
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def __getitem__(&self, key: PyObject) -> PyResult<PyObject> {
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let key = key.extract::<PyBytes>(py)?;
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let key = HgPath::new(key.data(py));
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match self
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.inner(py)
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.borrow()
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.get(key)
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.map_err(|e| v2_error(py, e))?
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{
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Some(entry) => {
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Ok(make_dirstate_tuple(py, &entry)?)
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},
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None => Err(PyErr::new::<exc::KeyError, _>(
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py,
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String::from_utf8_lossy(key.as_bytes()),
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)),
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}
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}
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def keys(&self) -> PyResult<DirstateMapKeysIterator> {
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let leaked_ref = self.inner(py).leak_immutable();
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DirstateMapKeysIterator::from_inner(
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py,
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unsafe { leaked_ref.map(py, |o| o.iter()) },
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)
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}
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def items(&self) -> PyResult<DirstateMapItemsIterator> {
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let leaked_ref = self.inner(py).leak_immutable();
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DirstateMapItemsIterator::from_inner(
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py,
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unsafe { leaked_ref.map(py, |o| o.iter()) },
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)
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}
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def __iter__(&self) -> PyResult<DirstateMapKeysIterator> {
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let leaked_ref = self.inner(py).leak_immutable();
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DirstateMapKeysIterator::from_inner(
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py,
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unsafe { leaked_ref.map(py, |o| o.iter()) },
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)
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}
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def getdirs(&self) -> PyResult<Dirs> {
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// TODO don't copy, share the reference
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self.inner(py).borrow_mut().set_dirs()
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.map_err(|e| {
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PyErr::new::<exc::ValueError, _>(py, e.to_string())
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})?;
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Dirs::from_inner(
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py,
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DirsMultiset::from_dirstate(
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self.inner(py).borrow().iter(),
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Some(EntryState::Removed),
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)
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.map_err(|e| {
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PyErr::new::<exc::ValueError, _>(py, e.to_string())
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})?,
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)
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}
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def getalldirs(&self) -> PyResult<Dirs> {
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// TODO don't copy, share the reference
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self.inner(py).borrow_mut().set_all_dirs()
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|
|
.map_err(|e| {
|
|
|
PyErr::new::<exc::ValueError, _>(py, e.to_string())
|
|
|
})?;
|
|
|
Dirs::from_inner(
|
|
|
py,
|
|
|
DirsMultiset::from_dirstate(
|
|
|
self.inner(py).borrow().iter(),
|
|
|
None,
|
|
|
).map_err(|e| {
|
|
|
PyErr::new::<exc::ValueError, _>(py, e.to_string())
|
|
|
})?,
|
|
|
)
|
|
|
}
|
|
|
|
|
|
// TODO all copymap* methods, see docstring above
|
|
|
def copymapcopy(&self) -> PyResult<PyDict> {
|
|
|
let dict = PyDict::new(py);
|
|
|
for item in self.inner(py).borrow().copy_map_iter() {
|
|
|
let (key, value) = item.map_err(|e| v2_error(py, e))?;
|
|
|
dict.set_item(
|
|
|
py,
|
|
|
PyBytes::new(py, key.as_bytes()),
|
|
|
PyBytes::new(py, value.as_bytes()),
|
|
|
)?;
|
|
|
}
|
|
|
Ok(dict)
|
|
|
}
|
|
|
|
|
|
def copymapgetitem(&self, key: PyObject) -> PyResult<PyBytes> {
|
|
|
let key = key.extract::<PyBytes>(py)?;
|
|
|
match self
|
|
|
.inner(py)
|
|
|
.borrow()
|
|
|
.copy_map_get(HgPath::new(key.data(py)))
|
|
|
.map_err(|e| v2_error(py, e))?
|
|
|
{
|
|
|
Some(copy) => Ok(PyBytes::new(py, copy.as_bytes())),
|
|
|
None => Err(PyErr::new::<exc::KeyError, _>(
|
|
|
py,
|
|
|
String::from_utf8_lossy(key.data(py)),
|
|
|
)),
|
|
|
}
|
|
|
}
|
|
|
def copymap(&self) -> PyResult<CopyMap> {
|
|
|
CopyMap::from_inner(py, self.clone_ref(py))
|
|
|
}
|
|
|
|
|
|
def copymaplen(&self) -> PyResult<usize> {
|
|
|
Ok(self.inner(py).borrow().copy_map_len())
|
|
|
}
|
|
|
def copymapcontains(&self, key: PyObject) -> PyResult<bool> {
|
|
|
let key = key.extract::<PyBytes>(py)?;
|
|
|
self.inner(py)
|
|
|
.borrow()
|
|
|
.copy_map_contains_key(HgPath::new(key.data(py)))
|
|
|
.map_err(|e| v2_error(py, e))
|
|
|
}
|
|
|
def copymapget(
|
|
|
&self,
|
|
|
key: PyObject,
|
|
|
default: Option<PyObject>
|
|
|
) -> PyResult<Option<PyObject>> {
|
|
|
let key = key.extract::<PyBytes>(py)?;
|
|
|
match self
|
|
|
.inner(py)
|
|
|
.borrow()
|
|
|
.copy_map_get(HgPath::new(key.data(py)))
|
|
|
.map_err(|e| v2_error(py, e))?
|
|
|
{
|
|
|
Some(copy) => Ok(Some(
|
|
|
PyBytes::new(py, copy.as_bytes()).into_object(),
|
|
|
)),
|
|
|
None => Ok(default),
|
|
|
}
|
|
|
}
|
|
|
def copymapsetitem(
|
|
|
&self,
|
|
|
key: PyObject,
|
|
|
value: PyObject
|
|
|
) -> PyResult<PyObject> {
|
|
|
let key = key.extract::<PyBytes>(py)?;
|
|
|
let value = value.extract::<PyBytes>(py)?;
|
|
|
self.inner(py)
|
|
|
.borrow_mut()
|
|
|
.copy_map_insert(
|
|
|
HgPathBuf::from_bytes(key.data(py)),
|
|
|
HgPathBuf::from_bytes(value.data(py)),
|
|
|
)
|
|
|
.map_err(|e| v2_error(py, e))?;
|
|
|
Ok(py.None())
|
|
|
}
|
|
|
def copymappop(
|
|
|
&self,
|
|
|
key: PyObject,
|
|
|
default: Option<PyObject>
|
|
|
) -> PyResult<Option<PyObject>> {
|
|
|
let key = key.extract::<PyBytes>(py)?;
|
|
|
match self
|
|
|
.inner(py)
|
|
|
.borrow_mut()
|
|
|
.copy_map_remove(HgPath::new(key.data(py)))
|
|
|
.map_err(|e| v2_error(py, e))?
|
|
|
{
|
|
|
Some(_) => Ok(None),
|
|
|
None => Ok(default),
|
|
|
}
|
|
|
}
|
|
|
|
|
|
def copymapiter(&self) -> PyResult<CopyMapKeysIterator> {
|
|
|
let leaked_ref = self.inner(py).leak_immutable();
|
|
|
CopyMapKeysIterator::from_inner(
|
|
|
py,
|
|
|
unsafe { leaked_ref.map(py, |o| o.copy_map_iter()) },
|
|
|
)
|
|
|
}
|
|
|
|
|
|
def copymapitemsiter(&self) -> PyResult<CopyMapItemsIterator> {
|
|
|
let leaked_ref = self.inner(py).leak_immutable();
|
|
|
CopyMapItemsIterator::from_inner(
|
|
|
py,
|
|
|
unsafe { leaked_ref.map(py, |o| o.copy_map_iter()) },
|
|
|
)
|
|
|
}
|
|
|
|
|
|
def directories(&self) -> PyResult<PyList> {
|
|
|
let dirs = PyList::new(py, &[]);
|
|
|
for item in self.inner(py).borrow().iter_directories() {
|
|
|
let (path, mtime) = item.map_err(|e| v2_error(py, e))?;
|
|
|
let path = PyBytes::new(py, path.as_bytes());
|
|
|
let mtime = mtime.map(|t| t.0).unwrap_or(-1);
|
|
|
let tuple = (path, (b'd', 0, 0, mtime));
|
|
|
dirs.append(py, tuple.to_py_object(py).into_object())
|
|
|
}
|
|
|
Ok(dirs)
|
|
|
}
|
|
|
|
|
|
});
|
|
|
|
|
|
impl DirstateMap {
|
|
|
pub fn get_inner_mut<'a>(
|
|
|
&'a self,
|
|
|
py: Python<'a>,
|
|
|
) -> RefMut<'a, Box<dyn DirstateMapMethods + Send>> {
|
|
|
self.inner(py).borrow_mut()
|
|
|
}
|
|
|
fn translate_key(
|
|
|
py: Python,
|
|
|
res: Result<(&HgPath, DirstateEntry), DirstateV2ParseError>,
|
|
|
) -> PyResult<Option<PyBytes>> {
|
|
|
let (f, _entry) = res.map_err(|e| v2_error(py, e))?;
|
|
|
Ok(Some(PyBytes::new(py, f.as_bytes())))
|
|
|
}
|
|
|
fn translate_key_value(
|
|
|
py: Python,
|
|
|
res: Result<(&HgPath, DirstateEntry), DirstateV2ParseError>,
|
|
|
) -> PyResult<Option<(PyBytes, PyObject)>> {
|
|
|
let (f, entry) = res.map_err(|e| v2_error(py, e))?;
|
|
|
Ok(Some((
|
|
|
PyBytes::new(py, f.as_bytes()),
|
|
|
make_dirstate_tuple(py, &entry)?,
|
|
|
)))
|
|
|
}
|
|
|
}
|
|
|
|
|
|
py_shared_iterator!(
|
|
|
DirstateMapKeysIterator,
|
|
|
UnsafePyLeaked<StateMapIter<'static>>,
|
|
|
DirstateMap::translate_key,
|
|
|
Option<PyBytes>
|
|
|
);
|
|
|
|
|
|
py_shared_iterator!(
|
|
|
DirstateMapItemsIterator,
|
|
|
UnsafePyLeaked<StateMapIter<'static>>,
|
|
|
DirstateMap::translate_key_value,
|
|
|
Option<(PyBytes, PyObject)>
|
|
|
);
|
|
|
|
|
|
fn extract_node_id(py: Python, obj: &PyObject) -> PyResult<Node> {
|
|
|
let bytes = obj.extract::<PyBytes>(py)?;
|
|
|
match bytes.data(py).try_into() {
|
|
|
Ok(s) => Ok(s),
|
|
|
Err(e) => Err(PyErr::new::<exc::ValueError, _>(py, e.to_string())),
|
|
|
}
|
|
|
}
|
|
|
|
|
|
pub(super) fn v2_error(py: Python<'_>, _: DirstateV2ParseError) -> PyErr {
|
|
|
PyErr::new::<exc::ValueError, _>(py, "corrupted dirstate-v2")
|
|
|
}
|
|
|
|
