mirror of
https://github.com/ViaVersion/Mappings.git
synced 2024-12-01 13:33:35 +01:00
71 lines
1.8 KiB
Python
71 lines
1.8 KiB
Python
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#!/usr/bin/env python3
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import json
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import os
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import six
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import subprocess
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import sys
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import wget
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from pathlib import Path
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from urllib.error import HTTPError
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MANIFEST_LOCATION = "https://piston-meta.mojang.com/mc/game/version_manifest_v2.json"
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def load_json(url):
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try:
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with six.moves.urllib.request.urlopen(url) as stream:
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return json.load(stream)
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except HTTPError as e:
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print('HTTP Error')
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print(e)
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sys.exit(-1)
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def main():
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# Get latest version from manifest
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manifest = load_json(MANIFEST_LOCATION)
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latest = manifest["latest"]
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snapshot = latest["snapshot"]
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release = latest["release"]
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# Compare with old version
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last_release = release
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last_snapshot_path = Path('last_snapshot.txt')
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if last_snapshot_path.exists():
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with open(last_snapshot_path, 'r') as f:
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if f.readline() == snapshot:
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sys.exit(1)
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# Download version data
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manifestEntry = None
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for entry in manifest["versions"]:
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if entry["id"] == snapshot:
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manifestEntry = entry
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break
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if manifestEntry is None:
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print("VERSION DATA FOR", snapshot, "NOT FOUND")
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sys.exit(1)
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# Rename old server jar as backup and download new one
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if os.path.exists("server_old.jar"):
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os.remove("server_old.jar")
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if os.path.exists("server.jar"):
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os.rename('server.jar', 'server_old.jar')
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print("=== Downloading server...")
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versionData = load_json(manifestEntry["url"])
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serverUrl = versionData["downloads"]["server"]["url"]
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wget.download(serverUrl, "server.jar")
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with open(last_snapshot_path, 'w') as f:
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f.write(snapshot)
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with open(Path('last_release.txt'), 'w') as f:
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f.write(release)
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sys.exit(0)
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if __name__ == "__main__":
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main()
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