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name: Pylint | ||
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on: [push, pull_request] | ||
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jobs: | ||
pylint: | ||
runs-on: ubuntu-latest | ||
steps: | ||
- name: Check out code | ||
uses: actions/checkout@v2 | ||
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- name: Set up Python 3.x | ||
uses: actions/setup-python@v2 | ||
with: | ||
python-version: '3.x' | ||
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- name: Install Dependencies | ||
run: | | ||
python -m pip install --upgrade pip | ||
pip install pylint | ||
- name: Run Pylint | ||
run: pylint src/*.py |
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fastapi==0.68.0 | ||
uvicorn==0.15.0 | ||
torch | ||
torchvision | ||
Pillow |
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from fastapi import FastAPI, UploadFile, File | ||
from PIL import Image | ||
import torch | ||
from torchvision import transforms | ||
from main import Net # Importing Net class from main.py | ||
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# Load the model | ||
model = Net() | ||
model.load_state_dict(torch.load("mnist_model.pth")) | ||
model.eval() | ||
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# Transform used for preprocessing the image | ||
transform = transforms.Compose([ | ||
transforms.ToTensor(), | ||
transforms.Normalize((0.5,), (0.5,)) | ||
]) | ||
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app = FastAPI() | ||
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@app.post("/predict/") | ||
async def predict(file: UploadFile = File(...)): | ||
image = Image.open(file.file).convert("L") | ||
image = transform(image) | ||
image = image.unsqueeze(0) # Add batch dimension | ||
with torch.no_grad(): | ||
output = model(image) | ||
_, predicted = torch.max(output.data, 1) | ||
return {"prediction": int(predicted[0])} |
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from PIL import Image | ||
import torch | ||
import torch.nn as nn | ||
import torch.optim as optim | ||
from torchvision import datasets, transforms | ||
from torch.utils.data import DataLoader | ||
import numpy as np | ||
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# Step 1: Load MNIST Data and Preprocess | ||
transform = transforms.Compose([ | ||
transforms.ToTensor(), | ||
transforms.Normalize((0.5,), (0.5,)) | ||
]) | ||
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trainset = datasets.MNIST('.', download=True, train=True, transform=transform) | ||
trainloader = DataLoader(trainset, batch_size=64, shuffle=True) | ||
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# Step 2: Define the PyTorch Model | ||
class Net(nn.Module): | ||
def __init__(self): | ||
super().__init__() | ||
self.fc1 = nn.Linear(28 * 28, 128) | ||
self.fc2 = nn.Linear(128, 64) | ||
self.fc3 = nn.Linear(64, 10) | ||
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def forward(self, x): | ||
x = x.view(-1, 28 * 28) | ||
x = nn.functional.relu(self.fc1(x)) | ||
x = nn.functional.relu(self.fc2(x)) | ||
x = self.fc3(x) | ||
return nn.functional.log_softmax(x, dim=1) | ||
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# Step 3: Train the Model | ||
model = Net() | ||
optimizer = optim.SGD(model.parameters(), lr=0.01) | ||
criterion = nn.NLLLoss() | ||
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# Training loop | ||
epochs = 3 | ||
for epoch in range(epochs): | ||
for images, labels in trainloader: | ||
optimizer.zero_grad() | ||
output = model(images) | ||
loss = criterion(output, labels) | ||
loss.backward() | ||
optimizer.step() | ||
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torch.save(model.state_dict(), "mnist_model.pth") |