[Chore/Refactor] Switch from MyPy to Basedpyright for type checking (#25047)

Signed-off-by: -LAN- <laipz8200@outlook.com>

api/extensions/storage/clickzetta_volume/volume_permissions.py

@@ -84,7 +84,7 @@ class VolumePermissionManager:
                 logger.warning("Unknown volume type: %s", self._volume_type)
                 return False
 
-        except Exception as e:
+        except Exception:
             logger.exception("Permission check failed")
             return False
 
@@ -119,7 +119,7 @@ class VolumePermissionManager:
                     )
                     return False
 
-        except Exception as e:
+        except Exception:
             logger.exception("User Volume permission check failed")
             # For User Volume, if permission check fails, it might be a configuration issue, provide friendlier error message
             logger.info("User Volume permission check failed, but permission checking is disabled in this version")
@@ -158,7 +158,7 @@ class VolumePermissionManager:
 
             return has_permission
 
-        except Exception as e:
+        except Exception:
             logger.exception("Table volume permission check failed for %s", table_name)
             return False
 
@@ -216,7 +216,7 @@ class VolumePermissionManager:
 
             return has_permission
 
-        except Exception as e:
+        except Exception:
             logger.exception("External volume permission check failed for %s", self._volume_name)
             logger.info("External Volume permission check failed, but permission checking is disabled in this version")
             return False
@@ -292,7 +292,7 @@ class VolumePermissionManager:
                 if result:
                     self._current_username = result[0]
                     return str(self._current_username)
-        except Exception as e:
+        except Exception:
             logger.exception("Failed to get current username")
 
         return "unknown"
@@ -316,7 +316,7 @@ class VolumePermissionManager:
                 for grant in grants:
                     if len(grant) >= 3:  # Typical format: (privilege, object_type, object_name, ...)
                         privilege = grant[0].upper()
-                        object_type = grant[1].upper() if len(grant) > 1 else ""
+                        _ = grant[1].upper() if len(grant) > 1 else ""
 
                         # Collect all relevant permissions
                         if privilege in ["SELECT", "INSERT", "UPDATE", "DELETE", "ALL"]:
@@ -521,7 +521,7 @@ class VolumePermissionManager:
                 logger.warning("Unknown volume type for permission inheritance: %s", self._volume_type)
                 return False
 
-        except Exception as e:
+        except Exception:
             logger.exception("Permission inheritance check failed")
             return False