add basics

jeAddons/cli.py

@@ -0,0 +1,24 @@
+import typer
+from pathlib import Path
+from jeAddons.registry import load_registry
+from jeAddons.copier import fetch_file
+
+app = typer.Typer()
+
+
+@app.command()
+def add(name: str):
+    registry = load_registry()
+
+    if name not in registry:
+        typer.echo(f"❌ Unknown entry: {name}")
+        raise typer.Exit(1)
+
+    entry = registry[name]
+    fetch_file(entry["repo"], entry["file"], Path.cwd())
+
+    typer.echo(f"✅ Added {entry['file']}")
+
+
+if __name__ == "__main__":
+    app()

jeAddons/copier.py

@@ -0,0 +1,16 @@
+import subprocess
+import tempfile
+import shutil
+from pathlib import Path
+
+
+def fetch_file(repo_url: str, file_path: str, dest: Path):
+    tmp = tempfile.mkdtemp()
+
+    subprocess.check_call(["git", "clone", "--depth", "1", repo_url, tmp])
+
+    src = Path(tmp) / file_path
+    if not src.exists():
+        raise FileNotFoundError(file_path)
+
+    shutil.copy2(src, dest / src.name)

jeAddons/registry.py

@@ -0,0 +1,9 @@
+import json
+import urllib.request
+
+REGISTRY_URL = "https://raw.githubusercontent.com/acme/registry/main/registry.json"
+
+
+def load_registry():
+    with urllib.request.urlopen(REGISTRY_URL) as r:
+        return json.load(r)