Spaces:
Build error
Build error
| # Imports | |
| import gradio as gr | |
| import os | |
| import torch | |
| from model import create_effnetb2_model | |
| from timeit import default_timer as timer | |
| from typing import Tuple,Dict | |
| import random | |
| class_names=["pissa", "steak", "sushi"] | |
| effnetb2, effnetb2_transforms = create_effnetb2_model(num_classes=3) | |
| effnetb2.load_state_dict( | |
| torch.load(f="09_pretrained_effnetb2_feature_extractor_pizza_steak_sushi_20_percent.pth", | |
| map_location=torch.device("cpu") | |
| ) | |
| ) | |
| #Predict fn | |
| def predict(img): | |
| start_time = timer() | |
| img = effnetb2_transforms(img).unsqueeze(0) | |
| effnetb2.eval() | |
| with torch.inference_mode(): | |
| preds = torch.softmax(effnetb2(img), dim=1) | |
| pred_labels_and_probs = {class_names[i]: float(preds[0][i]) for i in range(len(class_names))} | |
| pred_time = round(timer()-start_time, 5) | |
| return pred_labels_and_probs, pred_time | |
| #Gradio app | |
| # Create title, description and article strings | |
| title = "FoodVision Mini 🍕🥩🍣" | |
| description = "An EfficientNetB2 feature extractor computer vision model to classify images of food as pizza, steak or sushi." | |
| article = "Created at [09. PyTorch Model Deployment](https://www.learnpytorch.io/09_pytorch_model_deployment/)." | |
| example_list = [[str(filepath)] for filepath in random.sample(test_data_paths, k=3)] | |
| # Create the Gradio demo | |
| demo = gr.Interface(fn=predict, # mapping function from input to output | |
| inputs=gr.Image(type="pil"), # what are the inputs? | |
| outputs=[gr.Label(num_top_classes=3, label="Predictions"), # what are the outputs? | |
| gr.Number(label="Prediction time (s)")], # our fn has two outputs, therefore we have two outputs | |
| examples=example_list, | |
| title=title, | |
| description=description, | |
| article=article) | |
| demo.launch() | |