add generate qr code command

myapp/cli.py

@@ -1,6 +1,8 @@
 import click
 import dotenv
+import segno
 from huggingface_hub import InferenceClient
+from qrcode_artistic import write_artistic
 
 from myapp.palette import extract_color_clusters, generate_palette_image
 from myapp.params import ImageParamType
@@ -40,3 +42,11 @@ def generate_palette(image, target, n_colors, shades):
     k_means = extract_color_clusters(image, n_colors)
     palette = generate_palette_image(k_means, shades=shades)
     palette.save(target)
+
+
+@cli.command()
+@click.option("--text", required=True)
+@click.option("--background", type=ImageParamType(), required=True)
+@click.option("--target", type=click.Path(dir_okay=False), required=True)
+def generate_qr_code(text, background, target):
+    write_artistic(segno.make(text), background.filename, target)