mirror of
https://github.com/ViaVersion/Mappings.git
synced 2024-11-24 12:25:37 +01:00
69 lines
1.7 KiB
Python
69 lines
1.7 KiB
Python
#!/usr/bin/env python3
|
|
import json
|
|
import os
|
|
import six
|
|
import subprocess
|
|
import sys
|
|
import wget
|
|
from pathlib import Path
|
|
from urllib.error import HTTPError
|
|
|
|
MANIFEST_LOCATION = "https://piston-meta.mojang.com/mc/game/version_manifest_v2.json"
|
|
|
|
|
|
def load_json(url):
|
|
try:
|
|
with six.moves.urllib.request.urlopen(url) as stream:
|
|
return json.load(stream)
|
|
except HTTPError as e:
|
|
print('HTTP Error')
|
|
print(e)
|
|
sys.exit(-1)
|
|
|
|
|
|
def main():
|
|
# Get latest version from manifest
|
|
manifest = load_json(MANIFEST_LOCATION)
|
|
latest = manifest["latest"]
|
|
snapshot = latest["snapshot"]
|
|
release = latest["release"]
|
|
|
|
# Compare with old version
|
|
last_release = release
|
|
last_snapshot_path = Path('last_snapshot.txt')
|
|
if last_snapshot_path.exists():
|
|
with open(last_snapshot_path, 'r') as f:
|
|
if f.readline() == snapshot:
|
|
sys.exit(1)
|
|
|
|
# Download version data
|
|
manifestEntry = None
|
|
for entry in manifest["versions"]:
|
|
if entry["id"] == snapshot:
|
|
manifestEntry = entry
|
|
break
|
|
|
|
if manifestEntry is None:
|
|
print("VERSION DATA FOR", snapshot, "NOT FOUND")
|
|
sys.exit(1)
|
|
|
|
# Rename old server jar as backup and download new one
|
|
if os.path.exists("server_old.jar"):
|
|
os.remove("server_old.jar")
|
|
if os.path.exists("server.jar"):
|
|
os.rename('server.jar', 'server_old.jar')
|
|
|
|
print("=== Downloading server...")
|
|
versionData = load_json(manifestEntry["url"])
|
|
serverUrl = versionData["downloads"]["server"]["url"]
|
|
wget.download(serverUrl, "server.jar")
|
|
|
|
with open(last_snapshot_path, 'w') as f:
|
|
f.write(snapshot)
|
|
|
|
sys.exit(0)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|