start using semver, fix doc.rs issue

src/lib.rs

@@ -1,4 +1,4 @@
-#![cfg_attr(docsrs, feature(doc_auto_cfg))]
+#![cfg_attr(docsrs, feature(doc_cfg))]
 
 mod bioformats;
 

src/metadata.rs

@@ -15,7 +15,7 @@ impl Metadata for Ome {
 
     fn get_image(&self) -> Option<&Image> {
         if let Some(image) = &self.image.first() {
-            Some(&image)
+            Some(image)
         } else {
             None
         }

src/py.rs

@@ -19,7 +19,7 @@ use std::sync::Arc;
 
 impl From<crate::error::Error> for PyErr {
     fn from(err: crate::error::Error) -> PyErr {
-        PyErr::new::<PyValueError, _>(err.to_string())
+        color_eyre::eyre::Report::from(err).into()
     }
 }
 
@@ -49,7 +49,7 @@ impl ViewConstructor {
     }
 }
 
-#[pyclass(subclass, module = "ndbioimage.ndbioimage_rs")]
+#[pyclass(subclass, from_py_object, module = "ndbioimage.ndbioimage_rs")]
 #[pyo3(name = "View")]
 #[derive(Clone, Debug, Serialize, Deserialize)]
 struct PyView {
@@ -982,6 +982,7 @@ fn py_download_bioformats(gpl_formats: bool) -> PyResult<()> {
 #[pymodule]
 #[pyo3(name = "ndbioimage_rs")]
 fn ndbioimage_rs(m: &Bound<PyModule>) -> PyResult<()> {
+    color_eyre::install()?;
     m.add_class::<PyView>()?;
     m.add_class::<ViewConstructor>()?;
     m.add_function(wrap_pyfunction!(py_download_bioformats, m)?)?;