First public commit.

lenser/cpc/exporter.py

@@ -0,0 +1,18 @@
+"""Build an Amstrad CPC .sna snapshot from a conversion."""
+from __future__ import annotations
+
+from . import snapshot
+
+_EXTS = (".sna",)
+
+
+def export_sna(conv, output_path, source_path=None, display="forever",
+               seconds=0, video="ntsc"):
+    if not output_path.lower().endswith(_EXTS):
+        output_path += ".sna"
+    inks = conv.meta["inks"]
+    mode = conv.meta["cpc_mode"]
+    sna = snapshot.build_sna(bytes(conv.data), inks, mode, border=inks[0])
+    with open(output_path, "wb") as f:
+        f.write(sna)
+    return output_path