Print Slack History for slack archive

print_slack_history.py

import os
import sys
import json
import datetime
import math

USER_FILE = sys.argv[1] # users.json
CHANNEL_DIR = sys.argv[2] # folder of channel containing message jsons

users = json.load(open(USER_FILE))
user_dict = dict([ (x["id"], x["name"])  for x in users])
for filename in os.listdir(CHANNEL_DIR):
    filepath = os.path.join(CHANNEL_DIR, filename)
    if not os.path.isfile(filepath):
        continue
    if not filename.endswith(".json"):
        continue
    data = json.load(open(filepath))
    data = sorted(data, key=lambda x:x["ts"])
    for item in data:
        if item.get("username") == "bot":
            continue
        if item.get("type") != "message":
            continue
        if not item.get("user", "").startswith("U"):
            continue
        if "_tick_data_verification_stats" in item["text"]:
            continue
        print(datetime.datetime.fromtimestamp(math.ceil(float(item["ts"]))), user_dict[item["user"]], ":", item["text"])