nexus_asset_links.py

#!/usr/bin/env python
import requests

base_url = "https://example.com/nexus/service/rest/beta/assets"
repository = "maven-central"

url = "{}?repository={}".format(base_url, repository)
links_file = open('links.txt', 'w')

while True:
    r = requests.get(url)
    data = r.json()
    for item in data["items"]:
        links_file.write("{}\n".format(item["downloadUrl"]))
    if not data["continuationToken"]:
        break
    url = "{}?repository={}&continuationToken={}".format(base_url, repository, data["continuationToken"])

links_file.close()

#wget -x -i links.txt