def merge_exercises(app: Sphinx, env: BuildEnvironment, docnames: Set[str],
other: BuildEnvironment) -> None:
if not hasattr(env, "exercise_list"):
env.exercise_list = {}
# Merge env stored data
if hasattr(other, "exercise_list"):
env.exercise_list = {**env.exercise_list, **other.exercise_list}
def purge_exercises(app: Sphinx, env: BuildEnvironment, docname: str) -> None:
if not hasattr(env, "exercise_list"):
return
# Override env.exercise_list
env.exercise_list = {
exercise: env.exercise_list[exercise]
for exercise in env.exercise_list.keys()
if env.exercise_list[exercise]["docname"] != docname
}
