Files
signage-player/tkinter_app/src/python_functions.py
2025-08-05 16:51:15 +03:00

196 lines
9.0 KiB
Python

import os
import json
import requests
from logging_config import Logger # Import the shared logger
import bcrypt
import time
# Update paths to use the new directory structure
CONFIG_FILE = os.path.join(os.path.dirname(os.path.dirname(__file__)), 'resources', 'app_config.txt')
LOCAL_PLAYLIST_FILE = os.path.join(os.path.dirname(os.path.dirname(__file__)), 'resources', 'local_playlist.json')
def load_config():
"""Load configuration from app_config.txt."""
Logger.info("python_functions: Starting load_config function.")
if os.path.exists(CONFIG_FILE):
try:
with open(CONFIG_FILE, 'r') as file:
Logger.info("python_functions: Configuration file loaded successfully.")
return json.load(file)
except json.JSONDecodeError as e:
Logger.error(f"python_functions: Failed to parse configuration file. Error: {e}")
return {}
else:
Logger.error(f"python_functions: Configuration file {CONFIG_FILE} not found.")
return {}
Logger.info("python_functions: Finished load_config function.")
# Load configuration and initialize variables
config_data = load_config()
server = config_data.get("server_ip", "")
host = config_data.get("screen_name", "")
quick = config_data.get("quickconnect_key", "")
port = config_data.get("port", "")
Logger.info(f"python_functions: Configuration loaded: server={server}, host={host}, quick={quick}, port={port}")
def load_local_playlist():
"""Load the playlist and version from local storage."""
Logger.info("python_functions: Starting load_local_playlist function.")
if os.path.exists(LOCAL_PLAYLIST_FILE):
try:
with open(LOCAL_PLAYLIST_FILE, 'r') as local_file:
local_playlist = json.load(local_file)
Logger.info(f"python_functions: Local playlist loaded: {local_playlist}")
if isinstance(local_playlist, dict) and 'playlist' in local_playlist and 'version' in local_playlist:
Logger.info("python_functions: Finished load_local_playlist function successfully.")
return local_playlist # Return the full playlist data
else:
Logger.error("python_functions: Invalid local playlist structure.")
return {'playlist': [], 'version': 0}
except json.JSONDecodeError as e:
Logger.error(f"python_functions: Failed to parse local playlist file. Error: {e}")
return {'playlist': [], 'version': 0}
else:
Logger.warning("python_functions: Local playlist file not found.")
return {'playlist': [], 'version': 0}
Logger.info("python_functions: Finished load_local_playlist function.")
def save_local_playlist(playlist):
"""Save the updated playlist locally."""
Logger.info("python_functions: Starting save_local_playlist function.")
Logger.debug(f"python_functions: Playlist to save: {playlist}")
if not playlist or 'playlist' not in playlist:
Logger.error("python_functions: Invalid playlist data. Cannot save local playlist.")
return
try:
with open(LOCAL_PLAYLIST_FILE, 'w') as local_file:
json.dump(playlist, local_file, indent=4) # Ensure proper formatting
Logger.info("python_functions: Updated local playlist with server data.")
except IOError as e:
Logger.error(f"python_functions: Failed to save local playlist: {e}")
Logger.info("python_functions: Finished save_local_playlist function.")
def fetch_server_playlist():
"""Fetch the updated playlist from the server."""
try:
server_ip = f'{server}:{port}' # Construct the server IP with port
url = f'http://{server_ip}/api/playlists'
params = {
'hostname': host,
'quickconnect_code': quick
}
Logger.info(f"Fetching playlist from URL: {url} with params: {params}")
response = requests.get(url, params=params)
if response.status_code == 200:
response_data = response.json()
Logger.info(f"Server response: {response_data}")
playlist = response_data.get('playlist', [])
version = response_data.get('playlist_version', None)
hashed_quickconnect = response_data.get('hashed_quickconnect', None)
if version is not None and hashed_quickconnect is not None:
if bcrypt.checkpw(quick.encode('utf-8'), hashed_quickconnect.encode('utf-8')):
Logger.info("Fetched updated playlist from server.")
# Update the playlist version in app_config.txt
update_config_playlist_version(version)
return {'playlist': playlist, 'version': version}
else:
Logger.error("Quickconnect code validation failed.")
else:
Logger.error("Failed to retrieve playlist or hashed quickconnect from the response.")
else:
Logger.error(f"Failed to fetch playlist. Status Code: {response.status_code}")
except requests.exceptions.RequestException as e:
Logger.error(f"Failed to fetch playlist: {e}")
return {'playlist': [], 'version': 0}
def download_media_files(playlist, version):
"""Download media files from the server and update the local playlist."""
Logger.info("python_functions: Starting media file download...")
base_dir = os.path.join(os.path.dirname(__file__), 'static', 'resurse') # Path to the local folder
if not os.path.exists(base_dir):
os.makedirs(base_dir)
Logger.info(f"python_functions: Created directory {base_dir} for media files.")
updated_playlist = [] # List to store updated media entries
for media in playlist:
file_name = media.get('file_name', '')
file_url = media.get('url', '')
duration = media.get('duration', 10) # Default duration if not provided
local_path = os.path.join(base_dir, file_name) # Local file path
Logger.debug(f"python_functions: Preparing to download {file_name} from {file_url}...")
if os.path.exists(local_path):
Logger.info(f"python_functions: File {file_name} already exists. Skipping download.")
else:
try:
response = requests.get(file_url, timeout=10)
if response.status_code == 200:
with open(local_path, 'wb') as file:
file.write(response.content)
Logger.info(f"python_functions: Successfully downloaded {file_name} to {local_path}")
else:
Logger.error(f"python_functions: Failed to download {file_name}. Status Code: {response.status_code}")
continue
except requests.exceptions.RequestException as e:
Logger.error(f"python_functions: Error downloading {file_name}: {e}")
continue
# Update the playlist entry to point to the local file path
updated_media = {
'file_name': file_name,
'url': f"static/resurse/{file_name}", # Update URL to local path
'duration': duration
}
Logger.debug(f"python_functions: Updated media entry: {updated_media}")
updated_playlist.append(updated_media)
# Save the updated playlist locally
save_local_playlist({'playlist': updated_playlist, 'version': version})
Logger.info("python_functions: Finished media file download and updated local playlist.")
def clean_unused_files(playlist):
"""Remove unused media files from the resource folder."""
Logger.info("python_functions: Cleaning unused media files...")
base_dir = os.path.join(os.path.dirname(__file__), 'static', 'resurse')
if not os.path.exists(base_dir):
Logger.debug(f"python_functions: Directory {base_dir} does not exist. No files to clean.")
return
playlist_files = {media.get('file_name', '') for media in playlist}
all_files = set(os.listdir(base_dir))
unused_files = all_files - playlist_files
for file_name in unused_files:
file_path = os.path.join(base_dir, file_name)
try:
os.remove(file_path)
Logger.info(f"python_functions: Deleted unused file: {file_path}")
except OSError as e:
Logger.error(f"python_functions: Failed to delete {file_path}: {e}")
def update_config_playlist_version(version):
"""Update the playlist version in app_config.txt."""
if not os.path.exists(CONFIG_FILE):
Logger.error(f"python_functions: Configuration file {CONFIG_FILE} not found.")
return
try:
with open(CONFIG_FILE, 'r') as file:
config_data = json.load(file)
config_data['playlist_version'] = version # Add or update the playlist version
with open(CONFIG_FILE, 'w') as file:
json.dump(config_data, file, indent=4)
Logger.info(f"python_functions: Updated playlist version in app_config.txt to {version}.")
except (IOError, json.JSONDecodeError) as e:
Logger.error(f"python_functions: Failed to update playlist version in app_config.txt. Error: {e}")