osu-wayback/autoSchedule/scrape.py
2019-03-11 16:14:03 +01:00

65 lines
1.7 KiB
Python

import urllib.request, json
import time, calendar
from objects import glob
finished = True
def run():
global finished
if not finished:
print("[!] Scraper job is already running! ")
return
print("[!] Starting scraping job...")
sql = glob.new_sql()
cur = sql.cursor()
cur.execute("SELECT max(file_version) f FROM updates")
target = cur.fetchone()["f"]
finished = False
failed_streak = 0
while not finished:
target += 1
attempts = 0
extra_sleep = 0
while attempts < glob.config["scrape"]["max_attempts"]:
try:
with urllib.request.urlopen("https://osu.ppy.sh/web/check-updates.php?action=path&stream=stable&target=%s" % target) as url:
data = json.loads(url.read().decode())[0]
if "url_patch" not in data.keys():
data["url_patch"] = None
cur.execute("INSERT INTO updates (file_version,filename,file_hash,filesize,timestamp,patch_id,url_full,url_patch) VALUES ('%s','%s','%s','%s',%s,'%s','%s','%s')" %
(
data["file_version"],
data["filename"],
data["file_hash"],
data["filesize"],
calendar.timegm(time.strptime(data["timestamp"], "%Y-%m-%d %H:%M:%S")),
data["patch_id"],
data["url_full"],
data["url_patch"],
))
sql.commit()
failed_streak = 0
print("[Scraper] Target: %s, Status: OK" % target)
break
except:
attempts += 1
failed_streak += 1
if glob.config["scrape"]["increase_delay_on_fail"]:
extra_sleep = attempts
print("[Scraper] Target: %s, status: FAILED, Attempt: %s" % (target, attempts))
time.sleep(glob.config["scrape"]["delay"] + extra_sleep)
if failed_streak > glob.config["scrape"]["skips_until_finished"]:
finished = True
break
cur.close()
sql.close()
print("[Scraper] Finished!")