First public commit.

lenser/ansi/exporter.py

@@ -0,0 +1,19 @@
+"""Write an ANSI/CP437 conversion to a ``.ANS`` file."""
+
+from __future__ import annotations
+
+import os
+
+
+def export_ans(conv, path, source_path=None, display="key", seconds=0,
+               video="pal", layout="unified"):
+    """Write the conversion's ANSI byte stream to ``path`` (forcing a .ans suffix).
+
+    The extra keyword arguments (display / seconds / video / layout) exist only so
+    ANSI shares the platform export interface; a static text file ignores them.
+    """
+    if not str(path).lower().endswith(".ans"):
+        path = os.path.splitext(path)[0] + ".ans"
+    with open(path, "wb") as f:
+        f.write(conv.data)
+    return path