154 lines
7.2 KiB
Python
154 lines
7.2 KiB
Python
import os
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import torch
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import numpy as np
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from PIL import Image
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import base64
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from io import BytesIO
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from google import genai
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from google.genai import types
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from google.genai.types import RawReferenceImage, MaskReferenceImage
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class GoogleImagenEditNode:
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@classmethod
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def INPUT_TYPES(cls):
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return {
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"required": {
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"image": ("IMAGE",),
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"mask": ("MASK",),
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"prompt": ("STRING", {"multiline": True, "default": "Edit this image"}),
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"negative_prompt": ("STRING", {"multiline": True, "default": ""}),
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"project_id": ("STRING", {"multiline": False, "default": ""}),
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"location": (["us-central1", "us-east1", "us-east4", "us-east5", "us-south1", "us-west1", "us-west2", "us-west3", "us-west4", "northamerica-northeast1", "northamerica-northeast2", "southamerica-east1", "southamerica-west1", "africa-south1", "europe-west1", "europe-north1", "europe-west2", "europe-west3", "europe-west4", "europe-west6", "europe-west8", "europe-west9", "europe-west12", "europe-southwest1", "europe-central2", "asia-east1", "asia-east2", "asia-northeast1", "asia-northeast2", "asia-northeast3", "asia-south1", "asia-south2", "asia-southeast1", "asia-southeast2", "australia-southeast1", "australia-southeast2", "me-central1", "me-central2", "me-west1"], {"default": "us-central1"}),
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"service_account": ("STRING", {"multiline": False, "default": ""}),
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"edit_mode": (["EDIT_MODE_INPAINT_INSERTION", "EDIT_MODE_INPAINT_REMOVAL", "EDIT_MODE_OUTPAINT", "EDIT_MODE_BGSWAP"], {"default": "EDIT_MODE_INPAINT_INSERTION"}),
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"number_of_images": ("INT", {"default": 1, "min": 1, "max": 4, "step": 1}),
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"seed": ("INT", {"default": 12345, "min": 1, "max": 4294967295, "step": 1}),
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"base_steps": ("INT", {"default": 50, "min": 10, "max": 100, "step": 1})
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}
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}
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RETURN_TYPES = ("IMAGE",)
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RETURN_NAMES = ("edited_images",)
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FUNCTION = "edit_image"
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CATEGORY = "image/edit"
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def tensor_to_pil(self, tensor):
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array = (tensor.cpu().numpy() * 255).astype(np.uint8)
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return Image.fromarray(array)
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def mask_to_pil(self, mask):
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if len(mask.shape) == 3 and mask.shape[0] == 1:
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mask = mask.squeeze(0)
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array = (mask.cpu().numpy() * 255).astype(np.uint8)
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return Image.fromarray(array, mode='L')
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def pil_to_tensor(self, images):
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if not isinstance(images, list):
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images = [images]
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tensors = []
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for image in images:
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if image.mode != 'RGB':
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image = image.convert('RGB')
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array = np.array(image).astype(np.float32) / 255.0
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tensors.append(torch.from_numpy(array))
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return torch.stack(tensors)
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def edit_image(self, image, mask, prompt, project_id, location, service_account, edit_mode, number_of_images, negative_prompt, seed, base_steps):
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try:
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if service_account.strip():
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os.environ['GOOGLE_APPLICATION_CREDENTIALS'] = service_account.strip()
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if not os.environ.get('GOOGLE_APPLICATION_CREDENTIALS'):
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raise ValueError("No authentication provided.")
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if not project_id.strip():
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raise ValueError("Project ID is required.")
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client = genai.Client(vertexai=True, project=project_id.strip(), location=location.strip())
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input_image = self.tensor_to_pil(image[0])
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input_mask = self.mask_to_pil(mask)
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img_buffer = BytesIO()
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input_image.save(img_buffer, format='PNG')
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img_b64 = base64.b64encode(img_buffer.getvalue()).decode('utf-8')
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mask_buffer = BytesIO()
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input_mask.save(mask_buffer, format='PNG')
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mask_b64 = base64.b64encode(mask_buffer.getvalue()).decode('utf-8')
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raw_ref_image = RawReferenceImage(
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reference_image={'image_bytes': img_b64},
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reference_id=0
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)
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mask_ref_image = MaskReferenceImage(
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reference_id=1,
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reference_image={'image_bytes': mask_b64},
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config=types.MaskReferenceConfig(
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mask_mode="MASK_MODE_USER_PROVIDED",
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mask_dilation=0.03,
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),
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)
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config_params = {
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"edit_mode": edit_mode,
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"number_of_images": number_of_images,
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"include_rai_reason": True,
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"output_mime_type": "image/jpeg",
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"base_steps": base_steps,
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"seed": seed
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}
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if negative_prompt.strip():
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config_params["negative_prompt"] = negative_prompt.strip()
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response = client.models.edit_image(
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model="imagen-3.0-capability-001",
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prompt=prompt,
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reference_images=[raw_ref_image, mask_ref_image],
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config=types.EditImageConfig(**config_params),
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)
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if not response.generated_images:
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raise ValueError("No images generated by the API")
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pil_images = []
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for generated_image in response.generated_images:
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image_data = generated_image.image
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if hasattr(image_data, 'mode') and hasattr(image_data, 'size'):
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pil_images.append(image_data)
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elif hasattr(image_data, '_pil_image'):
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pil_images.append(image_data._pil_image)
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elif hasattr(image_data, 'show'):
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try:
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buffer = BytesIO()
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image_data.save(buffer, format='PNG')
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buffer.seek(0)
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pil_images.append(Image.open(buffer))
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except:
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pil_images.append(Image.new('RGB', (512, 512), color='gray'))
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elif hasattr(image_data, 'read') or isinstance(image_data, bytes):
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image_bytes = image_data.read() if hasattr(image_data, 'read') else image_data
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pil_images.append(Image.open(BytesIO(image_bytes)))
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else:
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try:
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pil_images.append(Image.open(image_data))
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except:
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pil_images.append(Image.new('RGB', (512, 512), color='gray'))
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return (self.pil_to_tensor(pil_images),)
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except Exception as e:
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print(f"Google Imagen Edit Error: {str(e)}")
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error_image = Image.new('RGB', (512, 512), color='black')
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return (self.pil_to_tensor([error_image]),)
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@classmethod
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def IS_CHANGED(cls, **kwargs):
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return f"{kwargs.get('prompt', '')}-{kwargs.get('negative_prompt', '')}-{kwargs.get('edit_mode', '')}-{kwargs.get('number_of_images', 1)}-{kwargs.get('seed', 12345)}-{kwargs.get('base_steps', 50)}"
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NODE_CLASS_MAPPINGS = {"GoogleImagenEditNode": GoogleImagenEditNode}
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NODE_DISPLAY_NAME_MAPPINGS = {"GoogleImagenEditNode": "Google Imagen Edit (Vertex AI only)"} |