hangouts_link_hack.py

import json


with open('/home/user/Downloads/Takeout/Hangouts/Hangouts.json', 'r') as f:
    s = json.load(f)


links = []


for events in (
    conversation["conversation_state"]["event"] 
    for conversation in s["conversation_state"] 
):
    for event in events:
        for seg in event.get("chat_message", {}).get("message_content", {}).get("segment", []):
            if seg.get("type", "") == "LINK":                                                       
                if seg['text'] not in links:
                    links.append(seg['text'])


link_map = {
    "links": {
        "all": list(links)
    }
}


with open('alllinks.json', 'w') as f:
    json.dump(link_map, f, indent=4)