I know that there are several related threads out there, and they have helped me a lot, but I still can\'t get all the way. I am at the point where running the code doesn\'t
You need to modify your yielded Request in parse to use parse2 as its callback.
Request
parse
parse2
EDIT: allowed_domains shouldn't include the http prefix eg:
allowed_domains
allowed_domains = ["boliga.dk"]
Try that and see if your spider still runs correctly instead of leaving allowed_domains blank