Reimplement import graph

rust/Cargo.toml

@@ -12,9 +12,15 @@ log = "0.4.19"
 pyo3-log = "0.12.1"
 serde_json = "1.0.103"
 rayon = "1.10"
-petgraph = "0.6.5"
 bimap = "0.6.3"
-rustc-hash = "2.1.0"
+slotmap = "1.0.7"
+getset = "0.1.3"
+derive-new = "0.7.0"
+lazy_static = "1.5.0"
+pathfinding = "4.13.1"
+string-interner = "0.18.0"
+thiserror = "2.0.11"
+itertools = "0.14.0"
 
 [dependencies.pyo3]
 version = "0.23.4"

rust/src/errors.rs

@@ -0,0 +1,17 @@
+use crate::exceptions::ModuleNotPresent;
+use pyo3::PyErr;
+use thiserror::Error;
+
+#[derive(Debug, Error)]
+pub enum GrimpError {
+    #[error("\"{0}\" not present in the graph")]
+    ModuleNotPresent(String),
+}
+
+impl From<GrimpError> for PyErr {
+    fn from(value: GrimpError) -> Self {
+        match value {
+            GrimpError::ModuleNotPresent(_) => ModuleNotPresent::new_err(value.to_string()),
+        }
+    }
+}

rust/src/exceptions.rs

@@ -0,0 +1,3 @@
+use pyo3::create_exception;
+
+create_exception!(_rustgrimp, ModuleNotPresent, pyo3::exceptions::PyException);