99 lines
3.0 KiB
Python
Executable File
99 lines
3.0 KiB
Python
Executable File
#! /usr/bin/env python3
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import argparse
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import os
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from typing import *
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import requests
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import shutil
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FERNFLOWER_URL = "https://jitpack.io/com/github/MinecraftForge/FernFlower/master/FernFlower-master.jar"
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def generateJarDownloadURL(file_id: int, name: Optional[str] = "unnamed") -> str:
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"""Generates the download URL for a specific mod
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Args:
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file_id (int): CurseForge file ID
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name (Optional[str], optional): Mod name. Defaults to "unnamed".
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Returns:
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str: Download URL
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"""
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return f"https://www.cursemaven.com/curse/maven/{name}/{file_id}/{name}-{file_id}.jar"
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def writeRemoteFileLocally(local_uri: str, url: str):
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os.system(f"wget {url} -O {local_uri}")
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def main() -> int:
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# Handle args
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ap = argparse.ArgumentParser(
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prog="cursed", description="A tool to decompile Minecraft mods straight from CurseForge")
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ap.add_argument("name", help="Mod name")
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ap.add_argument("file_id", help="CurseForge file ID", type=int)
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ap.add_argument("-w", "--workspace", help="Path to custom workspace root",
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default="/tmp/cursedecompiler")
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ap.add_argument("-f", "--fernflower", help="Path to custom FernFlower JAR")
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ap.add_argument("-j", "--java", help="Path to custom Java")
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args = ap.parse_args()
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# Determine Java path
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java_path: str
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if args.java:
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java_path = args.java
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else:
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if os.system("which java"):
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print("Java not in PATH")
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return 1
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else:
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java_path = os.path.expandvars("$JAVA_HOME/bin/java")
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print(f"Using Java: {java_path}")
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# Create the workspace
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if not os.path.exists(f"{args.workspace}/{args.name}"):
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os.makedirs(f"{args.workspace}/{args.name}/source")
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print("Created workspace")
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# Determine the location of the mod file
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download_url = generateJarDownloadURL(args.file_id, args.name)
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print(f"Found JAR at: {download_url}")
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# Download the mod
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print("Downloading mod JAR")
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compiled_jar_path = f"{args.workspace}/{args.name}/{args.name}.jar"
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writeRemoteFileLocally(compiled_jar_path, download_url)
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# Find FernFlower
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fernflower_path: str
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if not args.fernflower:
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fernflower_path = f"{args.workspace}/fernflower.jar"
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if os.path.isfile(fernflower_path):
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print("Found fernflower")
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else:
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print("Downloading FernFlower")
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writeRemoteFileLocally(fernflower_path, FERNFLOWER_URL)
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else:
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print("Using custom fernflower")
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fernflower_path = args.fernflower
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# Decompile
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command = f"{java_path} -jar {fernflower_path} {compiled_jar_path} {args.workspace}/"
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print(f"{command}")
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status = os.system(command)
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# Extract
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os.system(
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f"unzip -d{args.workspace}/{args.name}/source {args.workspace}/{args.name}.jar ")
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# Tell the user where to find their files
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if status == 0:
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print(
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f"Decompiled sources are in: {args.workspace}/{args.name}/source")
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return status
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if __name__ == "__main__":
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exit(main()) |