init and some qol stuff for a modpack maker

tooling.py

@@ -0,0 +1,95 @@
+#!/usr/bin/env python3
+
+import os, sys, argparse, tempfile, subprocess, shutil, requests
+
+parser = argparse.ArgumentParser(description="a helper script for liightninggod modpacks")
+
+parser.add_argument("--export", "-e", help="export modpack zip", action="store_true")
+parser.add_argument("--setup", "-s", help="setup project and install dependencies", action="store_true")
+parser.add_argument("--force", "-f", help="forces things when needed, like redoing setup", action="store_true")
+parser.add_argument("--build-pax", help="builds pax from source, even if on a supported platform", action="store_true")
+args = parser.parse_args()
+
+WORKING_DIR = os.getcwd()
+
+PAX_GITHUB = "https://github.com/froehlichA/pax"
+PAX_LATEST_RELEASE = f"{PAX_GITHUB}/releases/latest/download"
+PAX_LINUX = f"{PAX_LATEST_RELEASE}/pax"
+PAX_WINDOWS = f"{PAX_LATEST_RELEASE}/pax-windows.zip"
+
+
+OS = sys.platform
+
+
+def __main__():
+    if args.setup:
+        print("setting up pack")
+        setup_pack()
+        return
+    elif args.export:
+        print("exporting modpack")
+        return
+
+    print(
+        "no command provided. pass the -h flag to see commands for pack, or run ./pax to interact with the modpack's files"
+    )
+
+
+def setup_pack():
+    pax()
+
+
+# pax
+def pax():
+    if os.path.isfile(os.path.join(WORKING_DIR, "pax")) and not args.force:
+        print("pax is already installed")
+        return
+
+    if OS == "darwin" or args.build_pax:
+        print("building pax from source...")
+        pax_from_source()
+        print("pax built successfully")
+        return
+
+    if OS == "linux":
+        print("downloading pax binary for linux...")
+        r = requests.get(PAX_LINUX, allow_redirects=True)
+        open("pax", "wb").write(r.content)
+        os.chmod("pax", 0o755)
+        return
+
+    if OS == "windows":
+        print("downloading and extracting pax for windows...")
+        r = requests.get(PAX_WINDOWS, allow_redirects=True)
+        open("pax-windows.zip", "wb").write(r.content)
+        shutil.unpack_archive("pax-windows.zip", ".")
+        os.remove("pax-windows.zip")
+        return
+
+
+def pax_from_source():
+    if OS == "windows":
+        print("building from source not supported on windows yet")
+        os._exit(1)
+
+    if not command_exists("nimble"):
+        print("nim is not installed - make sure it is installed for your platform")
+        os._exit(1)
+
+    TMP = tempfile.mkdtemp()
+    os.chdir(TMP)
+
+    subprocess.run(["git", "clone", PAX_GITHUB], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
+    os.chdir("pax")
+
+    subprocess.run(["nimble", "build", "-d:release"], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
+    subprocess.run(["cp", "./pax", WORKING_DIR])
+
+
+# helper functions
+def command_exists(binary_name):
+    return shutil.which(binary_name) is not None
+
+
+# entry
+__main__()