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zeroconf: port to Python 3...
zeroconf: port to Python 3 Since we're using the source transformer on Python 3, calls into Zeroconf and return values from it are generally bytes. But various socket functions require str on Python 3. This commit contains enough changes to coerce test-paths.t into passing on Python 3. I suspect there are still a handful of bugs on Python 3. But the tests do pass. Differential Revision: https://phab.mercurial-scm.org/D5805

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dagops.rs
53 lines | 1.8 KiB | application/rls-services+xml | RustLexer
// dagops.rs
//
// Copyright 2019 Georges Racinet <georges.racinet@octobus.net>
//
// This software may be used and distributed according to the terms of the
// GNU General Public License version 2 or any later version.
//! Bindings for the `hg::dagops` module provided by the
//! `hg-core` package.
//!
//! From Python, this will be seen as `mercurial.rustext.dagop`
use cindex::Index;
use cpython::{PyDict, PyModule, PyObject, PyResult, Python};
use crate::conversion::{py_set, rev_pyiter_collect};
use exceptions::GraphError;
use hg::dagops;
use hg::Revision;
use std::collections::HashSet;
/// Using the the `index`, return heads out of any Python iterable of Revisions
///
/// This is the Rust counterpart for `mercurial.dagop.headrevs`
pub fn headrevs(
py: Python,
index: PyObject,
revs: PyObject,
) -> PyResult<PyObject> {
let mut as_set: HashSet<Revision> = rev_pyiter_collect(py, &revs)?;
dagops::retain_heads(&Index::new(py, index)?, &mut as_set)
.map_err(|e| GraphError::pynew(py, e))?;
py_set(py, &as_set)
}
/// Create the module, with `__package__` given from parent
pub fn init_module(py: Python, package: &str) -> PyResult<PyModule> {
let dotted_name = &format!("{}.dagop", package);
let m = PyModule::new(py, dotted_name)?;
m.add(py, "__package__", package)?;
m.add(py, "__doc__", "DAG operations - Rust implementation")?;
m.add(
py,
"headrevs",
py_fn!(py, headrevs(index: PyObject, revs: PyObject)),
)?;
let sys = PyModule::import(py, "sys")?;
let sys_modules: PyDict = sys.get(py, "modules")?.extract(py)?;
sys_modules.set_item(py, dotted_name, &m)?;
// Example C code (see pyexpat.c and import.c) will "give away the
// reference", but we won't because it will be consumed once the
// Rust PyObject is dropped.
Ok(m)
}