First public commit.

lenser/nes/exporter.py

@@ -0,0 +1,13 @@
+"""Build an NES (.nes) cartridge from a conversion."""
+from __future__ import annotations
+
+from . import cartridge
+
+
+def export_nes(conv, output_path, source_path=None, display="forever",
+               seconds=0, video="ntsc"):
+    if not output_path.lower().endswith((".nes", ".unf")):
+        output_path += ".nes"
+    d = conv.data
+    rom = cartridge.build_rom(d["palette"], d["nametable"], d["chr"])
+    return cartridge.write_nes(rom, output_path)