in kinto-remote-settings/src/kinto_remote_settings/signer/listeners.py [0:0]
def signer_impacts_resource(signer, bid, cid):
matches_destination = signer_resource_match(signer["destination"], bid, cid)
if matches_destination:
return True
if "preview" in signer:
matches_preview = signer_resource_match(signer["preview"], bid, cid)
if matches_preview:
return True
return False