python: add __repr__ methods

This makes handling the objects more visual than seeing the binary addresses

Signed-off-by: Baptiste Prevot <pro.baptiste.prevot@gmail.com>

Author: Castavo

.gitignore

@@ -3,3 +3,6 @@ node_modules
 dist
 data
 .env
+.venv
+.vscode
+pkg

Cargo.lock

@@ -1,6 +1,6 @@
 [package]
 name = "liblrs"
-version = "0.2.1"
+version = "0.2.2"
 edition = "2021"
 description = "Library to manipulate linear referencing systems"
 license = "MIT"

Cargo.toml

@@ -48,6 +48,8 @@ To run locally:
 
 ```bash
 cd wasm
+npm install
+npm install -g wasm-pack
 npm run serve
 ```
 

README.md

@@ -1,7 +1,7 @@
 [package]
 name = "liblrs_python"
 description = "Python bindings for liblrs: a library to work with linear referencing systems"
-version = "0.2.1"
+version = "0.2.2"
 edition = "2021"
 license = "MIT"
 repository = "https://github.com/osrd-project/liblrs/"

python/Cargo.toml

@@ -26,7 +26,7 @@ fn liblrs_python(_py: Python, m: &Bound<'_, PyModule>) -> PyResult<()> {
     Ok(())
 }
 
-#[derive(Clone, Copy)]
+#[derive(Clone, Copy, Debug)]
 /// A geographical [`Point`], it can be either a projected or spherical coordinates.
 #[pyclass]
 pub struct Point {
@@ -47,6 +47,10 @@ impl Point {
     fn new(x: f64, y: f64) -> Self {
         Self { x, y }
     }
+
+    fn __repr__(&self) -> String {
+        format!("{:?}", self)
+    }
 }
 
 impl From<geo_types::Point> for Point {
@@ -83,7 +87,7 @@ impl From<Point> for geo_types::Coord {
 }
 
 #[pyclass]
-#[derive(Clone)]
+#[derive(Clone, Debug)]
 /// Represent a position on an [`LrmScale`] relative as an `offset` to an [`Anchor`].
 pub struct LrmScaleMeasure {
     #[pyo3(get, set)]
@@ -122,6 +126,10 @@ impl LrmScaleMeasure {
             scale_offset,
         }
     }
+
+    fn __repr__(&self) -> String {
+        format!("{:?}", self)
+    }
 }
 
 #[derive(Clone, Copy)]
@@ -156,7 +164,7 @@ impl From<SegmentOfTraversal> for liblrs::builder::SegmentOfTraversal {
     }
 }
 
-#[derive(Clone, Copy)]
+#[derive(Clone, Copy, Debug)]
 #[pyclass]
 /// The linear position of an anchor doesn’t always match the measured distance
 /// For example if a road was transformed into a bypass, resulting in a longer road,
@@ -181,6 +189,10 @@ impl AnchorOnLrm {
             distance_along_lrm,
         }
     }
+
+    fn __repr__(&self) -> String {
+        format!("{:?}", self)
+    }
 }
 
 impl From<AnchorOnLrm> for liblrs::builder::AnchorOnLrm {
@@ -192,6 +204,7 @@ impl From<AnchorOnLrm> for liblrs::builder::AnchorOnLrm {
     }
 }
 
+#[derive(Debug)]
 #[pyclass]
 /// An `Anchor` is a reference point for a given [`Curve`].
 /// It can be a milestone, a bridge…
@@ -210,6 +223,13 @@ pub struct Anchor {
     pub scale_position: f64,
 }
 
+#[pymethods]
+impl Anchor {
+    fn __repr__(&self) -> String {
+        format!("{:?}", self)
+    }
+}
+
 #[pyclass]
 /// The result of a projection onto an [`LrmScale`].
 pub struct LrmProjection {

python/src/lib.rs

@@ -21,7 +21,7 @@
         "pmtiles": "3.2.0"
     },
     "name": "liblrs",
-    "version": "0.2.1",
+    "version": "0.2.2",
     "repository": {
         "type": "git",
         "url": "https://github.com/osrd-project/liblrs/"