image-recognizer/ui/app_state.py

import os.path

from data.mnist_loader import MNISTModelData
from neural_net.mnist import MNISTNeuralNet
from neural_net.neural_net import NeuralNet, ModelData

class AppState:
    def __init__(self, auto_load=False):
        self.trainers = []
        if auto_load:
            self.neural_net: NeuralNet = MNISTNeuralNet()
            data_folder = "/projects/learning/datasets/minst"
            self.model_data: ModelData = MNISTModelData(
                os.path.join(data_folder, "train-images-idx3-ubyte"),
                os.path.join(data_folder, "train-labels-idx1-ubyte"),
                os.path.join(data_folder, "t10k-images-idx3-ubyte"),
                os.path.join(data_folder, "t10k-labels-idx1-ubyte")
            )
            self.neural_net.recalculate_accuracy(self.model_data.test_inputs, self.model_data.test_labels)
            self.neural_net.recalculate_loss(self.model_data.test_inputs, self.model_data.test_labels)
        else:
            self.neural_net: NeuralNet = None
            self.model_data: ModelData = None