{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "fccb1a4c",
   "metadata": {},
   "outputs": [],
   "source": [
    "!pip install -Uqq fastai pandas gdown zipfile"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "a07a5ad4",
   "metadata": {},
   "outputs": [],
   "source": [
    "from fastcore.all import *\n",
    "from fastai.vision.all import *\n",
    "from time import sleep\n",
    "import pandas as pd\n",
    "from io import StringIO\n",
    "import gdown\n",
    "import zipfile"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "5ace4a07",
   "metadata": {},
   "outputs": [],
   "source": [
    "file_id = \"YOUR_FILE_ID\"\n",
    "url = f'https://drive.google.com/uc?id={file_id}'\n",
    "output = 'images.zip'\n",
    "gdown.download(url, output, quiet=False)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "95f78949",
   "metadata": {},
   "outputs": [],
   "source": [
    "with zipfile.ZipFile('images.zip', 'r') as zip_ref:\n",
    "    zip_ref.extractall('images')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "8558997b",
   "metadata": {},
   "outputs": [],
   "source": [
    "path = Path('images')\n",
    "\n",
    "dls = DataBlock(\n",
    "    blocks=(ImageBlock, CategoryBlock), \n",
    "    get_items=get_image_files, \n",
    "    splitter=RandomSplitter(valid_pct=0.2, seed=42),\n",
    "    get_y=parent_label,\n",
    "    item_tfms=[Resize(192, method='squish')]\n",
    ").dataloaders(path, bs=64)\n",
    "\n",
    "dls.show_batch(max_n=6)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "b6d7f347",
   "metadata": {},
   "outputs": [],
   "source": [
    "learn = vision_learner(dls, resnet18, metrics=error_rate)\n",
    "learn.fine_tune(5)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "ca176cad",
   "metadata": {},
   "outputs": [],
   "source": [
    "learn.export('model.pkl')"
   ]
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": "Python 3 (ipykernel)",
   "language": "python",
   "name": "python3"
  },
  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
    "version": 3
   },
   "file_extension": ".py",
   "mimetype": "text/x-python",
   "name": "python",
   "nbconvert_exporter": "python",
   "pygments_lexer": "ipython3",
   "version": "3.10.9"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 5
}