sd_image_selector/app.py

216 lines
7.1 KiB
Python

from flask import Flask, render_template, request, redirect, url_for, send_from_directory, session, jsonify
from flask_socketio import SocketIO, emit, disconnect
import os
import json
from werkzeug.security import check_password_hash
from PIL import Image, UnidentifiedImageError
from watchdog.observers import Observer
from watchdog.events import FileSystemEventHandler
from os.path import realpath, join
app = Flask(__name__)
# Load configuration from keys.json
with open('db/keys.json', 'r') as f:
config = json.load(f)
app.config['SECRET_KEY'] = config['key']
socketio = SocketIO(app)
app.config['UPLOAD_FOLDER'] = '/home/kenny/workspace/Image_Gen_Server/output/expo_postprocessed' # Folder to store images
app.config['DUMP_FOLDER'] = '/home/kenny/workspace/ComfyUI-halloween/output' # Folder to store dump images
app.config['CACHE_FOLDER'] = 'cache' # Folder to store cached resized images
app.config['ALLOWED_EXTENSIONS'] = {'png', 'jpg', 'jpeg', 'gif'}
USERNAME = config['login_info']['username']
PASSWORD_HASH = config['login_info']['password_hash']
SALT = config['login_info']['salt']
def allowed_file(filename):
return '.' in filename and \
filename.rsplit('.', 1)[1].lower() in app.config['ALLOWED_EXTENSIONS']
def is_image_valid(image_path):
try:
with Image.open(image_path) as img:
img.verify() # Verify that it is, in fact, an image
return True
except Exception:
return False
def resize_image(image_path, cache_path, size=(800, 450)):
with Image.open(image_path) as img:
img.thumbnail(size)
if img.mode in ("RGBA", "P"): # Convert to RGB if necessary
img = img.convert("RGB")
img.save(cache_path, format="JPEG")
def create_cache():
cached_images = []
if not os.path.exists(app.config['CACHE_FOLDER']):
os.makedirs(app.config['CACHE_FOLDER'])
for image in os.listdir(app.config['UPLOAD_FOLDER']):
image_path = os.path.join(app.config['UPLOAD_FOLDER'], image)
cache_path = os.path.join(app.config['CACHE_FOLDER'], image)
if not os.path.exists(cache_path) and is_image_valid(image_path):
resize_image(image_path, cache_path)
if is_image_valid(image_path):
cached_images.append(image)
return cached_images
@app.route('/')
def index():
return redirect(url_for('login'))
@app.route('/login', methods=['GET', 'POST'])
def login():
if request.method == 'POST':
username = request.form['username']
password = request.form['password']
if username == USERNAME and check_password_hash(PASSWORD_HASH, password + SALT):
session['logged_in'] = True
return redirect(url_for('gallery'))
else:
error = 'Invalid credentials'
return render_template('login.html', error=error)
return render_template('login.html')
@app.route('/logout')
def logout():
session.pop('logged_in', None)
return redirect(url_for('login'))
@app.route('/gallery')
def gallery():
if not session.get('logged_in'):
return redirect(url_for('login'))
cached_images = create_cache()
batches = []
current_batch = []
current_batch_number = None
unstructured_images = []
for image in cached_images:
parts = image.split('_')
if len(parts) == 2 and parts[1].split('.')[0].isdigit():
batch_number = int(parts[0])
if current_batch_number is None:
current_batch_number = batch_number
if batch_number != current_batch_number:
batches.append(current_batch)
current_batch = []
current_batch_number = batch_number
current_batch.append(image)
else:
unstructured_images.append(image)
if current_batch:
batches.append(current_batch)
if unstructured_images:
batches.append(unstructured_images)
return render_template('gallery.html', batches=batches)
@app.route('/images/<filename>')
def uploaded_file(filename):
if not session.get('logged_in'):
return redirect(url_for('login'))
image_path = os.path.join(app.config['UPLOAD_FOLDER'], filename)
if is_image_valid(image_path):
return send_from_directory(app.config['UPLOAD_FOLDER'], filename)
else:
return "Invalid image", 404
@app.route('/cached/<filename>')
def cached_file(filename):
if not session.get('logged_in'):
return redirect(url_for('login'))
image_path = os.path.join(app.config['CACHE_FOLDER'], filename)
if is_image_valid(image_path):
return send_from_directory(app.config['CACHE_FOLDER'], filename)
else:
return "Invalid image", 404
@app.route('/dump/<filename>')
def dump_file(filename):
if not session.get('logged_in'):
return redirect(url_for('login'))
image_path = os.path.join(app.config['DUMP_FOLDER'], filename)
if is_image_valid(image_path):
return send_from_directory(app.config['DUMP_FOLDER'], filename)
else:
return "Invalid image", 404
@app.route('/api/images')
def api_images():
if not session.get('logged_in'):
return jsonify([])
images = sorted(
os.listdir(app.config['UPLOAD_FOLDER']),
key=lambda x: os.path.getctime(os.path.join(app.config['UPLOAD_FOLDER'], x)),
reverse=True
)
valid_images = [img for img in images if is_image_valid(os.path.join(app.config['UPLOAD_FOLDER'], img))]
return jsonify(valid_images)
@app.route('/dump')
def dump():
if not session.get('logged_in'):
return redirect(url_for('login'))
#cached_images = create_cache()
dump_folder = app.config['DUMP_FOLDER'] # Folder to store dump images
images = sorted(
os.listdir(dump_folder),
key=lambda x: os.path.getctime(os.path.join(dump_folder, x)),
reverse=True
)
valid_images = [img for img in images if is_image_valid(os.path.join(dump_folder, img))]
print(valid_images)
return render_template('dump.html', images=valid_images)
def emit_gallery_update():
socketio.emit('update_gallery')
class Watcher(FileSystemEventHandler):
def on_modified(self, event):
if not event.is_directory and event.src_path.startswith(app.config['UPLOAD_FOLDER']):
create_cache()
emit_gallery_update()
def on_created(self, event):
if not event.is_directory and event.src_path.startswith(app.config['UPLOAD_FOLDER']):
create_cache()
emit_gallery_update()
def on_deleted(self, event):
if not event.is_directory and event.src_path.startswith(app.config['UPLOAD_FOLDER']):
create_cache()
emit_gallery_update()
@socketio.on('connect')
def handle_connect():
if not session.get('logged_in'):
disconnect()
if __name__ == '__main__':
observer = Observer()
observer.schedule(Watcher(), path=app.config['UPLOAD_FOLDER'], recursive=False)
observer.start()
try:
context = ('cert.pem', 'key.pem') # Replace with your self-signed certificate and key files
socketio.run(app, debug=True, ssl_context=context)
except KeyboardInterrupt:
observer.stop()
observer.join()