Error messages

lib/src/ontology.rs

@@ -185,7 +185,7 @@ impl OntologyLocation {
             OntologyLocation::File(p) => {
                 // Use the Url crate, just like in the Display impl
                 let iri = Url::from_file_path(p)
-                    .expect("Failed to create file URL for IRI")
+                    .expect("Failed to create file URL for IRI. Try removing .ontoenv folder as it may contain corrupted or improperly formatted file paths. Then recreate the environment.")
                     .to_string();
                 NamedNode::new(iri).unwrap()
             }

python/ontoenv/__init__.py

@@ -1,8 +1,8 @@
 """Python package shim for the ontoenv extension."""
 
 # These symbols come from the Rust extension module built via maturin.
-from ._native import OntoEnv, Ontology, run_cli, version  # type: ignore[attr-defined]
-from . import _native as _ext  # type: ignore[attr-defined]
+from ontoenv._native import OntoEnv, Ontology, run_cli, version  # type: ignore[attr-defined]
+from ontoenv import _native as _ext  # type: ignore[attr-defined]
 
 __doc__ = getattr(_ext, "__doc__", None)  # type: ignore[assignment]
 

python/ontoenv/_cli.py

@@ -2,7 +2,7 @@
 
 import sys
 
-from .ontoenv import run_cli as _run_cli
+from ontoenv import run_cli as _run_cli
 
 
 def main(argv: list[str] | None = None) -> int:

python/src/lib.rs

@@ -238,7 +238,7 @@ impl OntoEnv {
         if path.is_none() && root == "." && !recreate && !temporary {
             // Use forward slashes for cross-platform compatibility in error messages
             return Err(PyValueError::new_err(
-                "OntoEnv directory not found at: \"./.ontoenv\""
+                "You must provide a valid path or set recreate=True or temporary=True to create a new OntoEnv.",
             ));
         }
         let mut root_path = path.clone().unwrap_or_else(|| PathBuf::from(root));

python/tests/test_ontoenv_init.py

@@ -75,7 +75,7 @@ def test_init_no_config_no_path_error(self):
                 os.remove(".ontoenv")
             else:
                 shutil.rmtree(".ontoenv")
-        with self.assertRaisesRegex(ValueError, "OntoEnv directory not found at: \"./.ontoenv\""):
+        with self.assertRaisesRegex(ValueError, "You must provide a valid path or set recreate=True or temporary=True to create a new OntoEnv."):
             OntoEnv()  # No args
 
     def test_init_path_no_env_error(self):