From 45766ad97c52933bf80f37d378185d120b577ba5 Mon Sep 17 00:00:00 2001
From: "sweep-nightly[bot]"
 <131841235+sweep-nightly[bot]@users.noreply.github.com>
Date: Thu, 12 Oct 2023 22:33:24 +0000
Subject: [PATCH 1/2] feat: Updated src/main.py

---
 src/main.py | 48 ++++++++++++++++++++++++------------------------
 1 file changed, 24 insertions(+), 24 deletions(-)

diff --git a/src/main.py b/src/main.py
index 243a31e..6ccd3c6 100644
--- a/src/main.py
+++ b/src/main.py
@@ -6,16 +6,7 @@
 from torch.utils.data import DataLoader
 import numpy as np
 
-# Step 1: Load MNIST Data and Preprocess
-transform = transforms.Compose([
-    transforms.ToTensor(),
-    transforms.Normalize((0.5,), (0.5,))
-])
-
-trainset = datasets.MNIST('.', download=True, train=True, transform=transform)
-trainloader = DataLoader(trainset, batch_size=64, shuffle=True)
-
-# Step 2: Define the PyTorch Model
+# Define the PyTorch Model
 class Net(nn.Module):
     def __init__(self):
         super().__init__()
@@ -30,19 +21,28 @@ def forward(self, x):
         x = self.fc3(x)
         return nn.functional.log_softmax(x, dim=1)
 
-# Step 3: Train the Model
-model = Net()
-optimizer = optim.SGD(model.parameters(), lr=0.01)
-criterion = nn.NLLLoss()
+class MNISTTrainer:
+    def __init__(self):
+        self.transform = transforms.Compose([
+            transforms.ToTensor(),
+            transforms.Normalize((0.5,), (0.5,))
+        ])
 
-# 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()
+    def load_data(self):
+        """Load and preprocess the MNIST data."""
+        trainset = datasets.MNIST('.', download=True, train=True, transform=self.transform)
+        trainloader = DataLoader(trainset, batch_size=64, shuffle=True)
+        return trainloader
 
-torch.save(model.state_dict(), "mnist_model.pth")
\ No newline at end of file
+    def train(self, model, criterion, optimizer):
+        """Train the model using the provided criterion and optimizer."""
+        trainloader = self.load_data()
+        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()
+        torch.save(model.state_dict(), "mnist_model.pth")
\ No newline at end of file

From d282480f69af768446414e74ae9262f69630b4cb Mon Sep 17 00:00:00 2001
From: "sweep-nightly[bot]"
 <131841235+sweep-nightly[bot]@users.noreply.github.com>
Date: Thu, 12 Oct 2023 22:35:55 +0000
Subject: [PATCH 2/2] feat: Updated src/api.py

---
 src/api.py | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/src/api.py b/src/api.py
index 36c257a..e530b0e 100644
--- a/src/api.py
+++ b/src/api.py
@@ -2,18 +2,18 @@
 from PIL import Image
 import torch
 from torchvision import transforms
-from main import Net  # Importing Net class from main.py
+from main import MNISTTrainer  # Importing MNISTTrainer class from main.py
+
+# Create an instance of the MNISTTrainer class
+trainer = MNISTTrainer()
 
 # Load the model
-model = Net()
+model = trainer.model
 model.load_state_dict(torch.load("mnist_model.pth"))
 model.eval()
 
-# Transform used for preprocessing the image
-transform = transforms.Compose([
-    transforms.ToTensor(),
-    transforms.Normalize((0.5,), (0.5,))
-])
+# Transform used for preprocessing the image is now inside the MNISTTrainer class
+transform = trainer.transform
 
 app = FastAPI()