group_command: improve interface for subclassing

src/poetry/console/commands/group_command.py

@@ -60,6 +60,15 @@ def non_optional_groups(self) -> set[str]:
  if not group.is_optional()
  }
 
+ @property
+ def default_groups(self) -> set[str]:
+ """
+ The groups that are considered by the command by default.
+
+ Can be overridden to adapt behavior.
+ """
+ return self.non_optional_groups
+
  @property
  def activated_groups(self) -> set[str]:
  groups = {}
@@ -93,9 +102,9 @@ def activated_groups(self) -> set[str]:
  "</warning>"
  )
 
- return groups["only"] or self.non_optional_groups.union(
- groups["with"]
- ).difference(groups["without"])
+ return groups["only"] or self.default_groups.union(groups["with"]).difference(
+ groups["without"]
+ )
 
  def project_with_activated_groups_only(self) -> ProjectPackage:
  return self.poetry.package.with_dependency_groups(