flake.nix

@@ -97,6 +97,7 @@
               # For the minecraft mod update script
               (python3.withPackages (pypkgs:
                 with pypkgs; [
+                  dateutil
                   requests
 
                   ipython

pkgs/minecraft/voor-kia/update-mods.py

@@ -3,13 +3,16 @@ import json
 import hashlib
 import pathlib
 from copy import deepcopy
+from datetime import datetime
 from enum import Enum
-from typing import Dict, Generator, NamedTuple, Optional, Union
+from typing import Any, Dict, Generator, List, NamedTuple, Optional, Union
 
 import requests
+from dateutil import parser
 
 
 API = "https://addons-ecs.forgesvc.net/api/v2"
+JSON = Union[List[Dict[str, Any]], Dict[str, Any]]
 
 
 class ModLoader(Enum):
@@ -19,25 +22,34 @@ class ModLoader(Enum):
 
 class File(NamedTuple):
     id: int
-    gameVersion: str
+    gameVersions: List[str]
     name: str
     modLoader: Optional[ModLoader]
+    date: datetime
 
     @classmethod
-    def from_json(cls, f: Dict[str, Union[str, int]]):
-        modLoader = f.get("modLoader", None)
+    def from_json(cls, f: JSON):
+        assert isinstance(f, dict)
 
-        assert isinstance(f["gameVersion"], str)
-        assert isinstance(f["projectFileId"], int)
-        assert isinstance(f["projectFileName"], str)
-        if modLoader is not None:
-            assert isinstance(modLoader, int)
+        assert isinstance(f.get("gameVersion"), list)
+        assert isinstance(f.get("id"), int)
+        assert isinstance(f.get("fileName"), str)
+        assert isinstance(f.get("fileDate"), str)
+
+        modLoader = (
+            ModLoader.FORGE
+            if "Forge" in f["gameVersion"]
+            else ModLoader.FABRIC
+            if "Fabric" in f["gameVersion"]
+            else None
+        )
 
         return cls(
-            f["projectFileId"],
+            f["id"],
             f["gameVersion"],
-            f["projectFileName"],
-            ModLoader(modLoader) if modLoader is not None else None,
+            f["fileName"],
+            modLoader,
+            parser.isoparse(f["fileDate"]),
         )
 
 
@@ -49,15 +61,12 @@ class CurseAPI:
         ] = "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:90.0) Gecko/20100101 Firefox/90.0"
 
     def get_latest_files(self, mod_id: int) -> Generator[File, None, None]:
-        res = self._session.get(f"{API}/addon/{mod_id}")
+        res = self._session.get(f"{API}/addon/{mod_id}/files")
         res.raise_for_status()
 
-        latest_files = res.json().get("gameVersionLatestFiles", None)
+        latest_files = res.json()
 
-        if latest_files is None:
-            return (_ for _ in [])
-        else:
-            return (File.from_json(f) for f in latest_files)
+        return (File.from_json(f) for f in latest_files)
 
     def get_file_url(self, mod_id: int, file_id: int) -> str:
         res = self._session.get(f"{API}/addon/{mod_id}/file/{file_id}/download-url")
@@ -107,43 +116,37 @@ def update(infile: pathlib.Path, version: str, mod_loader: ModLoader):
             latest_files = [_ for _ in []]
 
         def compatible(file_: File) -> bool:
-            file_version = file_.gameVersion.split(".")
-            target_version = version.split(".")
-
-            # We assume that major + minor version are compatible;
-            # this seems to generally be true, but check the output
-            # for possible mistakes.
-            #
-            # The patch version is completely ignored since mod
-            # authors generally don't register versions properly
-            # enough to match this.
-            #
-            # Being more strict than this usually results in
-            # technically compatible mods with no available versions.
             return (
-                (file_.modLoader is None or file_.modLoader == mod_loader)
-                and file_version[0] == target_version[0]
-                and file_version[1] == target_version[1]
+                mod_loader is None
+                or file_.modLoader is None
+                or file_.modLoader == mod_loader
+            ) and any(
+                file_version.startswith(version) for file_version in file_.gameVersions
             )
 
-        latest = max(filter(compatible, latest_files), key=lambda f: f.gameVersion)
+        compatible_files = list(filter(compatible, latest_files))
+        if compatible_files:
+            latest = max(compatible_files, key=lambda f: f.date)
+            if latest.id != mod["id"]:
+                print(
+                    f"Updating {mod['project']} {mod['filename']} -> {latest.name}..."
+                )
+                contents = curse.download_file(mod["project_id"], latest.id)
+                sha256 = hashlib.sha256(contents).hexdigest()
 
-        if latest is None:
+                new_mod = deepcopy(mod)
+                new_mod.update(
+                    {"filename": latest.name, "id": latest.id, "sha256": sha256}
+                )
+                new_mods.append(new_mod)
+            else:
+                new_mods.append(mod)
+        else:
             print(f"WARNING: No compatible files found for {mod['project']}")
             print(
-                f"Versions available: {[(f.name, f.gameVersion) for f in latest_files]}"
+                f"Versions available: {[(f.name, f.gameVersions) for f in latest_files]}"
             )
             new_mods.append(mod)
-        elif latest.id != mod["id"]:
-            print(f"Updating {mod['project']}...")
-            contents = curse.download_file(mod["project_id"], latest.id)
-            sha256 = hashlib.sha256(contents).hexdigest()
-
-            new_mod = deepcopy(mod)
-            new_mod.update({"filename": latest.name, "id": latest.id, "sha256": sha256})
-            new_mods.append(new_mod)
-        else:
-            new_mods.append(mod)
 
     with open("temp.json", "w") as out:
         json.dump(new_mods, out, sort_keys=True, indent=2)