vimPlugins.chadtree: add python dependencies

pkgs/applications/editors/vim/plugins/overrides.nix

···
     };
   };
 
+  chadtree = super.chadtree.overrideAttrs {
+    passthru.python3Dependencies = ps: with ps; [
+      pynvim-pp
+      pyyaml
+      std2
+    ];
+
+    # We need some patches so it stops complaining about not being in a venv
+    patches = [ ./patches/chadtree/emulate-venv.patch ];
+  };
+
   ChatGPT-nvim = super.ChatGPT-nvim.overrideAttrs {
     dependencies = with self; [ nui-nvim plenary-nvim telescope-nvim ];
   };

pkgs/applications/editors/vim/plugins/patches/chadtree/emulate-venv.patch

···
+diff --git a/chadtree/__main__.py b/chadtree/__main__.py
+index 83341fc..af8c9b0 100644
+--- a/chadtree/__main__.py
++++ b/chadtree/__main__.py
+@@ -73,7 +73,7 @@ _EXEC_PATH = Path(executable)
+ _EXEC_PATH = _EXEC_PATH.parent.resolve(strict=True) / _EXEC_PATH.name
+ _REQ = REQUIREMENTS.read_text()
+ 
+-_IN_VENV = _RT_PY == _EXEC_PATH
++_IN_VENV = True
+ 
+ 
+ if command == "deps":
+@@ -129,7 +129,7 @@ elif command == "run":
+     try:
+         if not _IN_VENV:
+             raise ImportError()
+-        elif lock != _REQ:
++        elif False:
+             raise ImportError()
+         else:
+             import pynvim_pp
+diff --git a/chadtree/consts.py b/chadtree/consts.py
+index e2d3aa0..e77a129 100644
+--- a/chadtree/consts.py
++++ b/chadtree/consts.py
+@@ -1,4 +1,5 @@
+ from os import environ, name
++from pathlib import Path
+ 
+ from chad_types import TOP_LEVEL
+ 
+@@ -24,7 +25,7 @@ SETTINGS_VAR = "chadtree_settings"
+ STORAGE
+ """
+ 
+-_VARS = TOP_LEVEL / ".vars"
++_VARS = Path.home() / ".cache/chadtree/vars"
+ RT_DIR = _VARS / "runtime"
+ RT_PY = RT_DIR / "Scripts" / "python.exe" if IS_WIN else RT_DIR / "bin" / "python3"
+ SESSION_DIR = _VARS / "sessions"