Update textual_inversion.py (#6952)

* Update textual_inversion.py

* Apply suggestions from code review

* Update textual_inversion.py

* Update textual_inversion.py

* Update textual_inversion.py

* Update textual_inversion.py

* Update examples/textual_inversion/textual_inversion.py
Co-authored-by: Sayak Paul <spsayakpaul@gmail.com>

* Update textual_inversion.py

* styling

---------
Co-authored-by: Sayak Paul <spsayakpaul@gmail.com>

examples/textual_inversion/textual_inversion.py

@@ -53,6 +53,7 @@ from diffusers import (
 )
 from diffusers.optimization import get_scheduler
 from diffusers.utils import check_min_version, is_wandb_available
+from diffusers.utils.hub_utils import load_or_create_model_card, populate_model_card
 from diffusers.utils.import_utils import is_xformers_available
 
 
@@ -84,32 +85,30 @@ check_min_version("0.27.0.dev0")
 logger = get_logger(__name__)
 
 
-def save_model_card(repo_id: str, images=None, base_model=str, repo_folder=None):
+def save_model_card(repo_id: str, images: list = None, base_model: str = None, repo_folder: str = None):
     img_str = ""
+    if images is not None:
         for i, image in enumerate(images):
             image.save(os.path.join(repo_folder, f"image_{i}.png"))
             img_str += f"![img_{i}](./image_{i}.png)\n"
-
-    yaml = f"""
----
-license: creativeml-openrail-m
-base_model: {base_model}
-tags:
-- stable-diffusion
-- stable-diffusion-diffusers
-- text-to-image
-- diffusers
-- textual_inversion
-inference: true
----
-    """
-    model_card = f"""
+    model_description = f"""
 # Textual inversion text2image fine-tuning - {repo_id}
 These are textual inversion adaption weights for {base_model}. You can find some example images in the following. \n
 {img_str}
 """
-    with open(os.path.join(repo_folder, "README.md"), "w") as f:
-        f.write(yaml + model_card)
+    model_card = load_or_create_model_card(
+        repo_id_or_path=repo_id,
+        from_training=True,
+        license="creativeml-openrail-m",
+        base_model=base_model,
+        model_description=model_description,
+        inference=True,
+    )
+
+    tags = ["stable-diffusion", "stable-diffusion-diffusers", "text-to-image", "diffusers", "textual_inversion"]
+    model_card = populate_model_card(model_card, tags=tags)
+
+    model_card.save(os.path.join(repo_folder, "README.md"))
 
 
 def log_validation(text_encoder, tokenizer, unet, vae, args, accelerator, weight_dtype, epoch):