Update app.py

app.py

@@ -1,151 +1,170 @@
-import hashlib
-import os
-from io import BytesIO
-
-import gradio as gr
-import grpc
-from PIL import Image
-from cachetools import LRUCache
-
-from inference_pb2 import HairSwapRequest, HairSwapResponse
-from inference_pb2_grpc import HairSwapServiceStub
-from utils.shape_predictor import align_face
-
-
-def get_bytes(img):
-    if img is None:
-        return img
-
-    buffered = BytesIO()
-    img.save(buffered, format="JPEG")
-    return buffered.getvalue()
-
-
-def bytes_to_image(image: bytes) -> Image.Image:
-    image = Image.open(BytesIO(image))
-    return image
-
-
-def center_crop(img):
-    width, height = img.size
-    side = min(width, height)
-
-    left = (width - side) / 2
-    top = (height - side) / 2
-    right = (width + side) / 2
-    bottom = (height + side) / 2
-
-    img = img.crop((left, top, right, bottom))
-    return img
-
-
-def resize(name):
-    def resize_inner(img, align):
-        global align_cache
-
-        if name in align:
-            img_hash = hashlib.md5(get_bytes(img)).hexdigest()
-
-            if img_hash not in align_cache:
-                img = align_face(img, return_tensors=False)[0]
-                align_cache[img_hash] = img
-            else:
-                img = align_cache[img_hash]
-
-        elif img.size != (1024, 1024):
-            img = center_crop(img)
-            img = img.resize((1024, 1024), Image.Resampling.LANCZOS)
-
-        return img
-
-    return resize_inner
-
-
-def swap_hair(face, shape, color, blending, poisson_iters, poisson_erosion):
-    if not face and not shape and not color:
-        return gr.update(visible=False), gr.update(value="Need to upload a face and at least a shape or color ❗", visible=True)
-    elif not face:
-        return gr.update(visible=False), gr.update(value="Need to upload a face ❗", visible=True)
-    elif not shape and not color:
-        return gr.update(visible=False), gr.update(value="Need to upload at least a shape or color ❗", visible=True)
-
-    face_bytes, shape_bytes, color_bytes = map(lambda item: get_bytes(item), (face, shape, color))
-
-    if shape_bytes is None:
-        shape_bytes = b'face'
-    if color_bytes is None:
-        color_bytes = b'shape'
-
-    with grpc.insecure_channel(os.environ['SERVER']) as channel:
-        stub = HairSwapServiceStub(channel)
-
-        output: HairSwapResponse = stub.swap(
-            HairSwapRequest(face=face_bytes, shape=shape_bytes, color=color_bytes, blending=blending,
-                            poisson_iters=poisson_iters, poisson_erosion=poisson_erosion, use_cache=True)
-        )
-
-    output = bytes_to_image(output.image)
-    return gr.update(value=output, visible=True), gr.update(visible=False)
-
-
-def get_demo():
-    with gr.Blocks() as demo:
-        gr.Markdown("## HairFastGan")
-        gr.Markdown(
-            '<div style="display: flex; align-items: center; gap: 10px;">'
-            '<span>Official HairFastGAN Gradio demo:</span>'
-            '<a href="https://arxiv.org/abs/2404.01094"><img src="https://img.shields.io/badge/arXiv-2404.01094-b31b1b.svg" height=22.5></a>'
-            '<a href="https://github.com/AIRI-Institute/HairFastGAN"><img src="https://img.shields.io/badge/github-%23121011.svg?style=for-the-badge&logo=github&logoColor=white" height=22.5></a>'
-            '<a href="https://huggingface.co/AIRI-Institute/HairFastGAN"><img src="https://huggingface.co/datasets/huggingface/badges/resolve/main/model-on-hf-md.svg" height=22.5></a>'
-            '<a href="https://colab.research.google.com/#fileId=https://huggingface.co/AIRI-Institute/HairFastGAN/blob/main/notebooks/HairFast_inference.ipynb"><img src="https://colab.research.google.com/assets/colab-badge.svg" height=22.5></a>'
-            '</div>'
-        )
-        with gr.Row():
-            with gr.Column():
-                source = gr.Image(label="Source photo to try on the hairstyle", type="pil")
-                with gr.Row():
-                    shape = gr.Image(label="Shape photo with desired hairstyle (optional)", type="pil")
-                    color = gr.Image(label="Color photo with desired hair color (optional)", type="pil")
-                with gr.Accordion("Advanced Options", open=False):
-                    blending = gr.Radio(["Article", "Alternative_v1", "Alternative_v2"], value='Article',
-                                        label="Color Encoder version", info="Selects a model for hair color transfer.")
-                    poisson_iters = gr.Slider(0, 2500, value=0, step=1, label="Poisson iters",
-                                              info="The power of blending with the original image, helps to recover more details. Not included in the article, disabled by default.")
-                    poisson_erosion = gr.Slider(1, 100, value=15, step=1, label="Poisson erosion",
-                                                info="Smooths out the blending area.")
-                    align = gr.CheckboxGroup(["Face", "Shape", "Color"], value=["Face", "Shape", "Color"],
-                                             label="Image cropping [recommended]",
-                                             info="Selects which images to crop by face")
-                btn = gr.Button("Get the haircut")
-            with gr.Column():
-                output = gr.Image(label="Your result")
-                error_message = gr.Textbox(label="⚠️ Error ⚠️", visible=False, elem_classes="error-message")
-
-        gr.Examples(examples=[["input/0.png", "input/1.png", "input/2.png"], ["input/6.png", "input/7.png", None],
-                              ["input/10.jpg", None, "input/11.jpg"]],
-                    inputs=[source, shape, color], outputs=output)
-
-        source.upload(fn=resize('Face'), inputs=[source, align], outputs=source)
-        shape.upload(fn=resize('Shape'), inputs=[shape, align], outputs=shape)
-        color.upload(fn=resize('Color'), inputs=[color, align], outputs=color)
-
-        btn.click(fn=swap_hair, inputs=[source, shape, color, blending, poisson_iters, poisson_erosion],
-                  outputs=[output, error_message])
-
-        gr.Markdown('''To cite the paper by the authors
-    ```
-        @article{nikolaev2024hairfastgan,
-          title={HairFastGAN: Realistic and Robust Hair Transfer with a Fast Encoder-Based Approach},
-          author={Nikolaev, Maxim and Kuznetsov, Mikhail and Vetrov, Dmitry and Alanov, Aibek},
-          journal={arXiv preprint arXiv:2404.01094},
-          year={2024}
-        }
-    ```
-        ''')
-    return demo
-
-
-if __name__ == '__main__':
-    align_cache = LRUCache(maxsize=10)
-    demo = get_demo()
-    demo.launch(server_name="0.0.0.0", server_port=7860)
+import hashlib
+import os
+from io import BytesIO
+
+import gradio as gr
+import grpc
+from PIL import Image
+from cachetools import LRUCache
+
+from inference_pb2 import HairSwapRequest, HairSwapResponse
+from inference_pb2_grpc import HairSwapServiceStub
+from utils.shape_predictor import align_face
+
+
+def get_bytes(img):
+    if img is None:
+        return img
+
+    buffered = BytesIO()
+    img.save(buffered, format="JPEG")
+    return buffered.getvalue()
+
+
+def bytes_to_image(image: bytes) -> Image.Image:
+    image = Image.open(BytesIO(image))
+    return image
+
+
+def center_crop(img):
+    width, height = img.size
+    side = min(width, height)
+
+    left = (width - side) / 2
+    top = (height - side) / 2
+    right = (width + side) / 2
+    bottom = (height + side) / 2
+
+    img = img.crop((left, top, right, bottom))
+    return img
+
+
+def resize(name):
+    def resize_inner(img, align):
+        global align_cache
+
+        if name in align:
+            img_hash = hashlib.md5(get_bytes(img)).hexdigest()
+
+            if img_hash not in align_cache:
+                img = align_face(img, return_tensors=False)[0]
+                align_cache[img_hash] = img
+            else:
+                img = align_cache[img_hash]
+
+        elif img.size != (1024, 1024):
+            img = center_crop(img)
+            img = img.resize((1024, 1024), Image.Resampling.LANCZOS)
+
+        return img
+
+    return resize_inner
+
+
+def swap_hair(face, shape, color, blending, poisson_iters, poisson_erosion):
+    # Verificar que al menos uno de shape o color esté presente junto con face
+    if not face and not (shape or color):
+        return (gr.update(visible=False),
+                gr.update(value="Need to upload a face and at least a shape or color ❗", visible=True))
+    elif not face:
+        return (gr.update(visible=False),
+                gr.update(value="Need to upload a face ❗", visible=True))
+    elif not (shape or color):
+        return (gr.update(visible=False),
+                gr.update(value="Need to upload at least a shape or color ❗", visible=True))
+
+    # Obtener los bytes de los blobs
+    face_bytes, shape_bytes, color_bytes = map(lambda item: get_bytes(item) if item else None, (face, shape, color))
+
+    # Asignar valores por defecto si no están presentes
+    if shape_bytes is None:
+        shape_bytes = b'face'
+    if color_bytes is None:
+        color_bytes = b'shape'
+
+    try:
+        with grpc.insecure_channel(os.environ['SERVER']) as channel:
+            stub = HairSwapServiceStub(channel)
+
+            output: HairSwapResponse = stub.swap(
+                HairSwapRequest(face=face_bytes, shape=shape_bytes, color=color_bytes, blending=blending,
+                                poisson_iters=poisson_iters, poisson_erosion=poisson_erosion, use_cache=True)
+            )
+
+        output_image = bytes_to_image(output.image)
+        return (gr.update(value=output_image, visible=True),
+                gr.update(visible=False))
+    except grpc.RpcError as e:
+        # Manejo de errores de gRPC
+        error_message = f"gRPC error: {e.code()}: {e.details()}"
+        return (gr.update(visible=False),
+                gr.update(value=error_message, visible=True))
+    except Exception as e:
+        # Manejo de cualquier otro error
+        error_message = f"Unexpected error: {str(e)}"
+        return (gr.update(visible=False),
+                gr.update(value=error_message, visible=True))
+
+
+
+def get_demo():
+    with gr.Blocks() as demo:
+        gr.Markdown("## HairFastGan")
+        gr.Markdown(
+            '<div style="display: flex; align-items: center; gap: 10px;">'
+            '<span>Official HairFastGAN Gradio demo:</span>'
+            '<a href="https://arxiv.org/abs/2404.01094"><img src="https://img.shields.io/badge/arXiv-2404.01094-b31b1b.svg" height=22.5></a>'
+            '<a href="https://github.com/AIRI-Institute/HairFastGAN"><img src="https://img.shields.io/badge/github-%23121011.svg?style=for-the-badge&logo=github&logoColor=white" height=22.5></a>'
+            '<a href="https://huggingface.co/AIRI-Institute/HairFastGAN"><img src="https://huggingface.co/datasets/huggingface/badges/resolve/main/model-on-hf-md.svg" height=22.5></a>'
+            '<a href="https://colab.research.google.com/#fileId=https://huggingface.co/AIRI-Institute/HairFastGAN/blob/main/notebooks/HairFast_inference.ipynb"><img src="https://colab.research.google.com/assets/colab-badge.svg" height=22.5></a>'
+            '</div>'
+        )
+        with gr.Row():
+            with gr.Column():
+                source = gr.Image(label="Source photo to try on the hairstyle", type="pil")
+                with gr.Row():
+                    shape = gr.Image(label="Shape photo with desired hairstyle (optional)", type="pil")
+                    color = gr.Image(label="Color photo with desired hair color (optional)", type="pil")
+                with gr.Accordion("Advanced Options", open=False):
+                    blending = gr.Radio(["Article", "Alternative_v1", "Alternative_v2"], value='Article',
+                                        label="Color Encoder version", info="Selects a model for hair color transfer.")
+                    poisson_iters = gr.Slider(0, 2500, value=0, step=1, label="Poisson iters",
+                                              info="The power of blending with the original image, helps to recover more details. Not included in the article, disabled by default.")
+                    poisson_erosion = gr.Slider(1, 100, value=15, step=1, label="Poisson erosion",
+                                                info="Smooths out the blending area.")
+                    align = gr.CheckboxGroup(["Face", "Shape", "Color"], value=["Face", "Shape", "Color"],
+                                             label="Image cropping [recommended]",
+                                             info="Selects which images to crop by face")
+                btn = gr.Button("Get the haircut")
+            with gr.Column():
+                output = gr.Image(label="Your result")
+                error_message = gr.Textbox(label="⚠️ Error ⚠️", visible=False, elem_classes="error-message")
+
+        gr.Examples(examples=[["input/0.png", "input/1.png", "input/2.png"], ["input/6.png", "input/7.png", None],
+                              ["input/10.jpg", None, "input/11.jpg"]],
+                    inputs=[source, shape, color], outputs=output)
+
+        source.upload(fn=resize('Face'), inputs=[source, align], outputs=source)
+        shape.upload(fn=resize('Shape'), inputs=[shape, align], outputs=shape)
+        color.upload(fn=resize('Color'), inputs=[color, align], outputs=color)
+
+        btn.click(fn=swap_hair, inputs=[source, shape, color, blending, poisson_iters, poisson_erosion],
+                  outputs=[output, error_message])
+
+        gr.Markdown('''To cite the paper by the authors
+    ```
+        @article{nikolaev2024hairfastgan,
+          title={HairFastGAN: Realistic and Robust Hair Transfer with a Fast Encoder-Based Approach},
+          author={Nikolaev, Maxim and Kuznetsov, Mikhail and Vetrov, Dmitry and Alanov, Aibek},
+          journal={arXiv preprint arXiv:2404.01094},
+          year={2024}
+        }
+    ```
+        ''')
+    return demo
+
+
+if __name__ == '__main__':
+    align_cache = LRUCache(maxsize=10)
+    demo = get_demo()
+    demo.launch(server_name="0.0.0.0", server_port=7860)