yeet_api: Add support for windows and guard against unsupported OSSes

yeet_api/__init__.py

@@ -5,17 +5,26 @@
 
 from pathlib import Path
 
+_home_dir: str
+
+if os.name == "posix":
+    _home_dir = os.getenv("HOME", "")
+elif os.name == "nt":
+    _home_dir = os.getenv("USERPROFILE", "")
+else:
+    raise OSError("Unsupported OS: yeet-api only supports Windows and unix-like OSses.")
+
 if not shutil.which("git"):
     raise FileNotFoundError("Git executable is not found."
                             "\nFor Windows, install it from https://git-scm.com/downloads"
                             "\nFor Linux, it is best to use your distro package manager. If "
                             "for some reason you can't, use the link for Windows.")
 
-_config_dir = Path(os.getenv("HOME", "")).joinpath(".config", "yeet")
+_config_dir = Path(_home_dir).joinpath(".config", "yeet")
 if not _config_dir.exists():
     os.makedirs(_config_dir, exist_ok=True)
 
-_cache_dir = Path(os.getenv("HOME", "")).joinpath(".cache", "yeet")
+_cache_dir = Path(_home_dir).joinpath(".cache", "yeet")
 if not _cache_dir.exists():
     os.makedirs(_cache_dir, exist_ok=True)