Merge pull request #24 from explosion/fix/registry-find-cython

Work around Cython issue in registry.find

catalogue/__init__.py

@@ -146,12 +146,19 @@ def find(self, name: str) -> Dict[str, Optional[Union[str, int]]]:
         RETURNS (Dict[str, Optional[Union[str, int]]]): The function info.
         """
         func = self.get(name)
-        _, line_no = inspect.getsourcelines(func)
         module = inspect.getmodule(func)
+        # These calls will fail for Cython modules so we need to work around them
+        line_no: Optional[int] = None
+        file_name: Optional[str] = None
+        try:
+            _, line_no = inspect.getsourcelines(func)
+            file_name = inspect.getfile(func)
+        except (TypeError, ValueError):
+            pass
         docstring = inspect.getdoc(func)
         return {
             "module": module.__name__ if module else None,
-            "file": inspect.getfile(func),
+            "file": file_name,
             "line_no": line_no,
             "docstring": inspect.cleandoc(docstring) if docstring else None,
         }

setup.cfg

@@ -1,5 +1,5 @@
 [metadata]
-version = 2.0.5
+version = 2.0.6
 description = Super lightweight function registries for your library
 url = https://github.com/explosion/catalogue
 author = Explosion