ModpackUpdater/Backend.py

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Python
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2024-06-20 08:30:57 -06:00
from ftplib import FTP_TLS as FTP
import io
import json
import tempfile
import subprocess
import time
import os
import datetime
def perform_installation(instance_name, prism_command, prism_instance_path):
ftp = FTP("gitea.piwalker.net")
ftp.login()
ftp.prot_p()
# Fetching versions.json from FTP
bio = io.BytesIO()
ftp.retrbinary("RETR versions.json", bio.write)
bio.seek(0)
versions = json.load(bio)
bio.close()
# Checking current version
version = "0.0.0"
version_file_path = os.path.join(prism_instance_path, instance_name, ".minecraft", "version.txt")
if os.path.exists(version_file_path):
with open(version_file_path, 'r') as fp:
version = fp.readline().rstrip()
# Checking if update is needed
if version != versions[-1]["Version"]:
print(f"Current version: {version}")
print(f"Latest version: {versions[-1]['Version']}")
# Downloading modpack
with tempfile.TemporaryDirectory() as temp_dir:
modpack_file_path = os.path.join(temp_dir, instance_name + ".mrpack")
with open(modpack_file_path, 'wb') as modpack:
ftp.retrbinary("RETR " + versions[-1]["File"], modpack.write)
# Running PrismLauncher with modpack
subprocess.Popen([prism_command, '-I', modpack_file_path])
# Waiting for installation to complete
while True:
time.sleep(5)
if os.path.exists(version_file_path):
with open(version_file_path, 'r') as fp:
version = fp.readline().rstrip()
if version == versions[-1]["Version"]:
break
# Launching PrismLauncher with the instance
subprocess.run([prism_command, '-l', instance_name])
def upload_pack(username, password, version_tag, fileName):
ftp = FTP("gitea.piwalker.net", username, password)
ftp.prot_p()
bio = io.BytesIO()
ftp.retrbinary("RETR versions.json", bio.write)
bio.seek(0)
versions = json.load(bio)
bio.close()
time = datetime.datetime.now().strftime("%Y-%m-%d-%H-%M-%S")
versions.append({"Version":version_tag, "Date":time, "File":"Versions/fcs7-"+time+".mrpack"})
with open(fileName, 'rb') as fp:
ftp.storbinary("STOR "+versions[len(versions)-1]["File"], fp)
bio = io.BytesIO()
bio.write(json.dumps(versions).encode())
bio.seek(0)
ftp.storbinary("STOR versions.json", bio)
bio.close()
ftp.close()