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qt_slideshow.py
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qt_slideshow.py
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import random
from pathlib import Path
import sys
import os
from dotenv import load_dotenv
import requests
from PySide6.QtCore import Qt, QTimer
from PySide6.QtGui import QFont, QPixmap
from PySide6.QtWidgets import QApplication, QWidget, QLabel
from PySide6.QtGui import QPixmap
from PIL import Image, ImageQt
from pillow_heif import register_heif_opener
load_dotenv()
# this is used to read heic files from iPhone; the program would be simpler w/o this support
register_heif_opener()
SUPPORTED_EXTENSIONS = (".png", ".jpg", ".bmp", ".gif",".heic", ".HEIC")
# These are used to retrieve the current temp from HomeAssistant. Remove get_temp()
API_KEY = os.getenv('API_KEY')
TEMP_URL = os.getenv('TEMP_URL')
#PATH = Path(r'/Users/user/Documents') #Example path on macos
PATH = Path(r"Z:\General\Images\ImagesShared\Frame") #Windows path...for reasons I don't understand it shouldn't end in a final back slash
class Slideshow(QWidget):
"""Get a list of files and show them in a 1080p window"""
def __init__(self):
super().__init__()
self.numFiles = 0
self.files = self.get_image_files()
self.current_index = -1
self.paused = False
self.setWindowTitle("Slideshow")
self.setWindowFlags(Qt.WindowType.FramelessWindowHint)
self.setFixedSize(1920, 1080)
self.image_label = QLabel(self)
self.image_label.setAlignment(Qt.AlignmentFlag.AlignCenter)
self.image_label.setGeometry(0, 0, 1920, 1080)
self.text_label = QLabel(self)
self.text_label.setAlignment(Qt.AlignmentFlag.AlignCenter)
self.text_label.setGeometry(10, 10, 100, 50)
self.text_label.setFont(QFont('Arial', 16))
self.text_label.setStyleSheet(
'QLabel { color: white; background-color: black; padding: 10px; }')
self.paused_label = QLabel(self)
self.paused_label.setAlignment(Qt.AlignmentFlag.AlignCenter)
self.paused_label.setGeometry(0, 75, 200, 100)
self.paused_label.setText("Paused")
self.paused_label.setStyleSheet("color: red; font-size: 50px;")
self.paused_label.hide()
self.qpixmap = QPixmap()
self.setCursor(Qt.CursorShape.BlankCursor)
self.timer = QTimer(self)
self.timer.timeout.connect(self.show_next_image)
self.speed = 10000
self.timer.start(self.speed)
self.pause_timer = QTimer(self)
self.pause_timer.timeout.connect(self.show_pause)
self.pause_timer.start(1000)
def show_pause(self):
"""Flip the state of the paused variable"""
if self.paused:
self.paused_label.show()
else:
self.paused_label.hide()
def get_image_files(self):
"""Get a list of files"""
files = [str(file_path) for file_path in PATH.glob("*") if file_path.suffix in SUPPORTED_EXTENSIONS]
#files = [os.path.join(PATH, f) for f in os.listdir(PATH) if f.endswith(SUPPORTED_EXTENSIONS)]
if len(files) == 0:
print("No files found.")
sys.exit()
random.shuffle(files)
self.numFiles = len(files)
print('number of file', self.numFiles)
return files
def get_pixmap(self, file):
"""Convert an image file to a QPixmap object
This should be safe for any image in the SUPPORTED tuple"""
#print('file to open: ', file)
pimage = Image.open(file)
qimage = ImageQt.ImageQt(pimage)
self.qpixmap = QPixmap.fromImage(qimage).scaled(1920, 1080, Qt.AspectRatioMode.KeepAspectRatio)
# use the following if no need for heic support
#self.qpixmap = QPixmap(file).scaled(1920, 1080, Qt.AspectRatioMode.KeepAspectRatio)
return self.qpixmap
def show_image(self, index):
"""Show the image at the given index"""
if not 0 <= index < self.numFiles:
print("Error: index out of range ", self.numFiles )
return
file = self.files[index]
qpixmap = self.get_pixmap(file)
self.image_label.setPixmap(qpixmap)
self.text_label.setAlignment(Qt.AlignmentFlag.AlignCenter)
print(self.current_index)
self.text_label.setText(f"{get_temp()}\u00B0 F")
def show_next_image(self):
"""Show the next image in the slideshow"""
if self.paused:
return
self.current_index += 1
if self.current_index >= len(self.files):
self.current_index = 0
self.show_image(self.current_index)
def keyPressEvent(self, event):
"""Handle key presses"""
key = event.key()
if key == Qt.Key.Key_Escape:
self.close()
return
if key in (Qt.Key.Key_Return, Qt.Key.Key_Space):
self.paused = not self.paused
return
if key == Qt.Key.Key_Space:
self.paused = not self.paused
return
if key == Qt.Key.Key_Left:
self.current_index-= 1
if self.current_index < 0:
self.current_index = len(self.files) - 1
self.show_image(self.current_index)
return
if key == Qt.Key.Key_Right:
self.current_index += 1
if self.current_index >= len(self.files):
self.current_index = 0
self.show_image(self.current_index)
return
if key == Qt.Key.Key_Up:
self.speed += 1000
self.timer.start(self.speed)
return
if key == Qt.Key.Key_Down:
if self.speed >= 1:
self.speed -= 1000
self.timer.start(self.speed)
return
return
def get_temp():
"""Get temp from HomeAssistant"""
headers = {
'Authorization': f'Bearer {API_KEY}',
'Content-Type': 'application/json'
}
try:
response = requests.get(TEMP_URL, headers=headers, timeout=5.0)
return response.json()['state']
except requests.exceptions.Timeout:
print('API call timed out.')
return 0
if __name__ == "__main__":
app = QApplication(sys.argv)
slideshow = Slideshow()
slideshow.show()
sys.exit(app.exec())