piwalker/ModpackUpdater
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using bundled version of prism

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This commit is contained in:
Samuel Walker 2024-06-21 09:07:38 -06:00
parent bd53d50150
commit 4795a1f059
1 changed files with 59 additions and 4 deletions
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63
Backend.py
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@ -14,6 +14,52 @@ import tarfile
from pathlib import Path
import shutil
def install_prism():
global data_dir
if not os.path.exists(os.path.join(data_dir, "prism")):
install_java(21)
suff = "win.zip"
if os.name == "posix":
suff = "lin.tar.gz"
prism_file = "prism/prism-"+suff
ftp = FTP("gitea.piwalker.net")
ftp.login()
ftp.prot_p()
with io.BytesIO() as buff:
ftp.retrbinary("RETR "+prism_file, buff.write)
buff.seek(0)
if os.name == "nt":
with zipfile.ZipFile(buff) as zip:
zip.extractall(os.path.join(data_dir, "prism"))
else:
with tarfile.open(fileobj=buff) as tar:
tar.extractall(os.path.join(data_dir, "prism"))
with io.BytesIO() as buff:
ftp.retrbinary("RETR prism/prismlauncher.cfg", buff.write)
buff.seek(0)
with open(os.path.join(data_dir, "prism", "prismlauncher.cfg"), 'wb') as file:
file.write(buff.getbuffer())
ftp.close()
suff = "win"
cmd = "java.exe"
if os.name == "posix":
suff = "lin"
cmd = "java"
data = []
with open(os.path.join(data_dir, "prism", "prismlauncher.cfg"), 'r') as file:
data = file.readlines()
for ind, line in enumerate(data):
if line.startswith("JavaPath="):
data[ind] = "JavaPath="+data_dir.replace("\\", "/")+"/java/java-21-"+suff+"/bin/"+cmd+"\n"
with open(os.path.join(data_dir, "prism", "prismlauncher.cfg"), 'w') as file:
file.writelines(data)
def get_tar_members_stripped(tar, n_folders_stripped = 1):
@ -39,8 +85,7 @@ def unzip(zip, dest):
with zip.open(file_info, 'r') as src:
shutil.copyfileobj(src, dst)
def install_java(mc_version):
def get_java_version(mc_version):
global data_dir
tokens = mc_version.split(".")
java = 8
@ -53,7 +98,10 @@ def install_java(mc_version):
java = 17
else:
java = 21
return java
def install_java(java):
suff = "win"
ext = ".zip"
if os.name == "posix":
@ -78,7 +126,6 @@ def install_java(mc_version):
unzip(zip, data_dir+"/java/java-"+str(java)+"-"+suff)
return java
@ -98,6 +145,13 @@ def perform_installation(instance_name, prism_command, prism_instance_path, pack
Path(data_dir).mkdir(parents=True, exist_ok=True)
Path(data_dir+"/java").mkdir(parents=True, exist_ok=True)
install_prism()
if os.name == "nt":
prism_command = os.path.join(data_dir, "prism", "prismlauncher.exe")
else:
prism_command = os.path.join(data_dir, "prism", "PrismLauncher")
prism_instance_path = os.path.join(data_dir, "prism", "instances")
try:
ftp = FTP("gitea.piwalker.net")
@ -148,7 +202,8 @@ def perform_installation(instance_name, prism_command, prism_instance_path, pack
if component["uid"] == "net.minecraft":
mc_version = component["version"]
break;
java = install_java(mc_version)
java = get_java_version(mc_version)
install_java(java)
option_path = os.path.join(prism_instance_path, instance_name, "instance.cfg")
data = []
suff = "win"