plugins.handlers: warn when version determination fails

sopel/plugins/handlers.py

@@ -48,6 +48,7 @@
 import importlib.util
 import inspect
 import itertools
+import logging
 import os
 import sys
 from typing import Optional, TYPE_CHECKING, TypedDict
@@ -61,6 +62,9 @@
     from types import ModuleType
 
 
+LOGGER = logging.getLogger(__name__)
+
+
 class PluginMetaDescription(TypedDict):
     """Meta description of a plugin, as a dictionary.
 
@@ -623,11 +627,17 @@ def get_version(self) -> Optional[str]:
             and hasattr(self.entry_point, "dist")
             and hasattr(self.entry_point.dist, "name")
         ):
+            dist_name = self.entry_point.dist.name
             try:
-                version = importlib.metadata.version(self.entry_point.dist.name)
+                version = importlib.metadata.version(dist_name)
+            except (ValueError, importlib.metadata.PackageNotFoundError):
+                LOGGER.warning("Cannot determine version of %r", dist_name)
             except Exception:
-                # fine, just give up
-                pass
+                LOGGER.warning(
+                    "Unexpected error occurred while checking the version of %r",
+                    dist_name,
+                    exc_info=True,
+                )
 
         return version