feat: Print human readable type name in error messages

Based on <https://stackoverflow.com/a/13477954/96588>.

Also add tests to verify the exception being thrown.

Author: l0b0

pystac/extensions/datacube.py

@@ -356,7 +356,7 @@ def ext(cls, obj: T, add_if_missing: bool = False) -> "DatacubeExtension[T]":
             return cast(DatacubeExtension[T], AssetDatacubeExtension(obj))
         else:
             raise pystac.ExtensionTypeError(
-                f"Datacube extension does not apply to type {type(obj)}"
+                f"Datacube extension does not apply to type '{type(obj).__name__}'"
             )
 
 

pystac/extensions/eo.py

@@ -370,7 +370,7 @@ def ext(cls, obj: T, add_if_missing: bool = False) -> "EOExtension[T]":
             return cast(EOExtension[T], AssetEOExtension(obj))
         else:
             raise pystac.ExtensionTypeError(
-                f"EO extension does not apply to type {type(obj)}"
+                f"EO extension does not apply to type '{type(obj).__name__}'"
             )
 
     @staticmethod

pystac/extensions/file.py

@@ -206,7 +206,7 @@ def ext(cls, obj: pystac.Asset, add_if_missing: bool = False) -> "FileExtension"
             return cls(obj)
         else:
             raise pystac.ExtensionTypeError(
-                f"File Info extension does not apply to type {type(obj)}"
+                f"File Info extension does not apply to type '{type(obj).__name__}'"
             )
 
 

pystac/extensions/item_assets.py

@@ -126,7 +126,7 @@ def ext(
             return cls(obj)
         else:
             raise pystac.ExtensionTypeError(
-                f"Item Assets extension does not apply to type {type(obj)}"
+                f"Item Assets extension does not apply to type '{type(obj).__name__}'"
             )
 
 

pystac/extensions/label.py

@@ -710,7 +710,7 @@ def ext(cls, obj: pystac.Item, add_if_missing: bool = False) -> "LabelExtension"
             return cls(obj)
         else:
             raise pystac.ExtensionTypeError(
-                f"Label extension does not apply to type {type(obj)}"
+                f"Label extension does not apply to type '{type(obj).__name__}'"
             )
 
     @staticmethod

pystac/extensions/pointcloud.py

@@ -536,7 +536,7 @@ def ext(cls, obj: T, add_if_missing: bool = False) -> "PointcloudExtension[T]":
             return cast(PointcloudExtension[T], AssetPointcloudExtension(obj))
         else:
             raise pystac.ExtensionTypeError(
-                f"Pointcloud extension does not apply to type {type(obj)}"
+                f"Pointcloud extension does not apply to type '{type(obj).__name__}'"
             )
 
 

pystac/extensions/projection.py

@@ -261,7 +261,7 @@ def ext(cls, obj: T, add_if_missing: bool = False) -> "ProjectionExtension[T]":
             return cast(ProjectionExtension[T], AssetProjectionExtension(obj))
         else:
             raise pystac.ExtensionTypeError(
-                f"Projection extension does not apply to type {type(obj)}"
+                f"Projection extension does not apply to type '{type(obj).__name__}'"
             )
 
     @staticmethod

pystac/extensions/raster.py

@@ -706,7 +706,7 @@ def ext(cls, obj: pystac.Asset, add_if_missing: bool = False) -> "RasterExtensio
             return cls(obj)
         else:
             raise pystac.ExtensionTypeError(
-                f"Raster extension does not apply to type {type(obj)}"
+                f"Raster extension does not apply to type '{type(obj).__name__}'"
             )
 
     @staticmethod

pystac/extensions/sat.py

@@ -109,7 +109,7 @@ def ext(cls, obj: T, add_if_missing: bool = False) -> "SatExtension[T]":
             return cast(SatExtension[T], AssetSatExtension(obj))
         else:
             raise pystac.ExtensionTypeError(
-                f"Satellite extension does not apply to type {type(obj)}"
+                f"Satellite extension does not apply to type '{type(obj).__name__}'"
             )
 
 

pystac/extensions/scientific.py

@@ -248,7 +248,7 @@ def ext(cls, obj: T, add_if_missing: bool = False) -> "ScientificExtension[T]":
             return cast(ScientificExtension[T], ItemScientificExtension(obj))
         else:
             raise pystac.ExtensionTypeError(
-                f"Scientific extension does not apply to type {type(obj)}"
+                f"Scientific extension does not apply to type '{type(obj).__name__}'"
             )
 
     @staticmethod