192 lines
7 KiB
Rust
192 lines
7 KiB
Rust
extern crate strsim;
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mod common;
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mod preprocess;
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mod route;
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use common::{System, SystemSerde};
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use pyo3::exceptions::*;
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use pyo3::prelude::*;
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use pyo3::types::{PyDict, PyList};
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use std::collections::HashMap;
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use std::path::PathBuf;
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fn find_matches(
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path: &PathBuf,
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names: Vec<String>,
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) -> Result<HashMap<String, (f64, Option<System>)>, String> {
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let mut best: HashMap<String, (f64, Option<System>)> = HashMap::new();
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for name in &names {
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best.insert(name.to_string(), (0.0, None));
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}
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let mut reader = match csv::ReaderBuilder::new().from_path(path) {
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Ok(rdr) => rdr,
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Err(e) => {
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return Err(format!("Error opening {}: {}", path.to_str().unwrap(), e).to_string());
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}
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};
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let systems = reader.deserialize::<SystemSerde>();
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for sys in systems {
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let sys = sys.unwrap();
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for name in &names {
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best.entry(name.clone()).and_modify(|ent| {
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let d1 = strsim::normalized_levenshtein(&sys.system, &name);
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if d1 > ent.0 {
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*ent = (d1, Some(sys.build()))
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}
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});
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}
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}
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Ok(best)
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}
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#[pymodule]
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pub fn _ed_lrr(_py: Python, m: &PyModule) -> PyResult<()> {
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/// preprocess(infile_systems, infile_bodies, outfile, callback)
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/// --
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///
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/// Preprocess bodies.json and systemsWithCoordinates.json into stars.csv
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#[pyfn(m, "preprocess")]
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fn ed_lrr_preprocess(
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py: Python<'static>,
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infile_systems: String,
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infile_bodies: String,
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outfile: String,
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callback: PyObject,
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) -> PyResult<PyObject> {
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use preprocess::*;
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let state = PyDict::new(py);
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let state_dict = PyDict::new(py);
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callback.call(py, (state_dict,), None).unwrap();
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let callback_wrapped = move |state: &PreprocessState| {
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// println!("SEND: {:?}",state);
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state_dict.set_item("file", state.file.clone())?;
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state_dict.set_item("total", state.total)?;
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state_dict.set_item("count", state.count)?;
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state_dict.set_item("done", state.done)?;
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state_dict.set_item("message", state.message.clone())?;
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callback.call(py, (state_dict,), None)
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};
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preprocess_files(
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&PathBuf::from(infile_bodies),
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&PathBuf::from(infile_systems),
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&PathBuf::from(outfile),
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&callback_wrapped,
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)
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.unwrap();
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Ok(state.to_object(py))
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}
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///find_sys(sys_names,sys_list)
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/// --
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///
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/// Find system by name
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#[pyfn(m, "find_sys")]
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fn find_sys(py: Python, sys_names: Vec<String>, sys_list: String) -> PyResult<PyObject> {
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let path = PathBuf::from(sys_list);
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match find_matches(&path, sys_names) {
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Ok(vals) => {
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let ret = PyDict::new(py);
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for (key, (diff, sys)) in vals {
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let ret_dict = PyDict::new(py);
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if let Some(val) = sys {
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let pos = PyList::new(py, val.pos.iter());
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ret_dict.set_item("star_type", val.star_type.clone())?;
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ret_dict.set_item("system", val.system.clone())?;
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ret_dict.set_item("body", val.body.clone())?;
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ret_dict.set_item("distance", val.distance)?;
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ret_dict.set_item("pos", pos)?;
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ret_dict.set_item("id", val.id)?;
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ret.set_item(key, (diff, ret_dict).to_object(py))?;
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}
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}
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Ok(ret.to_object(py))
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}
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Err(e) => Err(PyErr::new::<ValueError, _>(e)),
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}
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}
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/// route(infile, hops, range, radius_mult, mode,primary, greedyness, precomp, callback)
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/// --
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///
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/// Compute a Route using the suplied parameters
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#[pyfn(m, "route")]
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#[allow(clippy::too_many_arguments)]
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fn route(
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py: Python<'static>,
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hops: Vec<String>,
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range: f32,
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prune: Option<(usize, f32)>,
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mode: String,
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primary: bool,
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permute: bool,
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keep_first: bool,
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keep_last: bool,
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greedyness: Option<f32>,
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precomp: Option<String>,
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path: String,
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callback: PyObject,
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) -> PyResult<PyObject> {
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use route::*;
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let mode = match Mode::parse(&mode) {
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Ok(val) => val,
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Err(e) => {
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return Err(PyErr::new::<ValueError, _>(e));
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}
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};
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let state_dict = PyDict::new(py);
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callback.call(py, (state_dict,), None).unwrap();
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let callback_wrapped = move |state: &SearchState| {
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state_dict.set_item("mode", state.mode.clone())?;
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state_dict.set_item("system", state.system.clone())?;
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state_dict.set_item("body", state.body.clone())?;
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state_dict.set_item("depth", state.depth)?;
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state_dict.set_item("queue_size", state.queue_size)?;
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state_dict.set_item("d_rem", state.d_rem)?;
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state_dict.set_item("d_total", state.d_total)?;
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state_dict.set_item("prc_done", state.prc_done)?;
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state_dict.set_item("n_seen", state.n_seen)?;
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state_dict.set_item("prc_seen", state.prc_seen)?;
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state_dict.set_item("from", state.from.clone())?;
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state_dict.set_item("to", state.to.clone())?;
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callback.call(py, (state_dict,), None)
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};
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let mut systems = Vec::new();
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for sys in hops {
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systems.push(route::SysEntry::parse(&sys))
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}
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let opts = RouteOpts {
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systems,
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range: Some(range),
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file_path: PathBuf::from(path),
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precomp_file: precomp.map(PathBuf::from),
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callback: Box::new(callback_wrapped),
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mode,
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factor: greedyness,
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precompute: false,
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permute,
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keep_first,
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keep_last,
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primary,
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prune,
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};
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let none = ().to_object(py);
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match route(opts) {
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Ok(Some(route)) => {
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let hops = route.iter().map(|hop| {
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let pos = PyList::new(py, hop.pos.iter());
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let elem = PyDict::new(py);
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elem.set_item("star_type", hop.star_type.clone()).unwrap();
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elem.set_item("system", hop.system.clone()).unwrap();
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elem.set_item("body", hop.body.clone()).unwrap();
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elem.set_item("distance", hop.distance).unwrap();
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elem.set_item("pos", pos).unwrap();
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elem
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});
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let lst = PyList::new(py, hops);
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Ok(lst.to_object(py))
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}
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Ok(None) => Ok(none),
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Err(e) => Err(PyErr::new::<ValueError, _>(e)),
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}
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}
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Ok(())
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}
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