mirror of
https://github.com/ChuckBuilds/LEDMatrix.git
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347 lines
15 KiB
Python
347 lines
15 KiB
Python
import time
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import logging
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import requests
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import json
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import random
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from typing import Dict, Any, List, Tuple
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from datetime import datetime
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import os
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import urllib.parse
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import re
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from src.config_manager import ConfigManager
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from PIL import Image, ImageDraw
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from .cache_manager import CacheManager
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from requests.adapters import HTTPAdapter
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from urllib3.util.retry import Retry
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# Configure logging
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logging.basicConfig(level=logging.INFO)
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logger = logging.getLogger(__name__)
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class StockNewsManager:
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def __init__(self, config: Dict[str, Any], display_manager):
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self.config = config
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self.config_manager = ConfigManager()
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self.display_manager = display_manager
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self.stocks_config = config.get('stocks', {})
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self.stock_news_config = config.get('stock_news', {})
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self.last_update = 0
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self.news_data = {}
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self.current_news_group = 0 # Track which group of headlines we're showing
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self.scroll_position = 0
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self.cached_text_image = None # Cache for the text image
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self.cached_text = None # Cache for the text string
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self.cache_manager = CacheManager()
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# Get scroll settings from config with faster defaults
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self.scroll_speed = self.stock_news_config.get('scroll_speed', 1)
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self.scroll_delay = self.stock_news_config.get('scroll_delay', 0.001) # Default to 1ms instead of 50ms
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# Log the actual values being used
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logger.info(f"Scroll settings - Speed: {self.scroll_speed} pixels/frame, Delay: {self.scroll_delay*1000:.2f}ms")
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# Initialize frame rate tracking
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self.frame_count = 0
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self.last_frame_time = time.time()
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self.last_fps_log_time = time.time()
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self.frame_times = [] # Keep track of recent frame times for average FPS
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self.headers = {
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'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36'
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}
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# Set up session with retry logic
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self.session = requests.Session()
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retry_strategy = Retry(
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total=3, # number of retries
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backoff_factor=0.5, # wait 0.5, 1, 2 seconds between retries
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status_forcelist=[500, 502, 503, 504], # HTTP status codes to retry on
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)
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adapter = HTTPAdapter(max_retries=retry_strategy)
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self.session.mount("https://", adapter)
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self.session.mount("http://", adapter)
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# Initialize with first update
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self.update_news_data()
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def _fetch_news(self, symbol: str) -> List[Dict[str, Any]]:
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"""Fetch news data for a stock from Yahoo Finance."""
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try:
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# Use Yahoo Finance query1 API for news data
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url = f"https://query1.finance.yahoo.com/v1/finance/search"
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params = {
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'q': symbol,
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'lang': 'en-US',
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'region': 'US',
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'quotesCount': 0,
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'newsCount': 10,
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'enableFuzzyQuery': False,
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'quotesQueryId': 'tss_match_phrase_query',
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'multiQuoteQueryId': 'multi_quote_single_token_query',
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'newsQueryId': 'news_cie_vespa',
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'enableCb': True,
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}
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# Use session with retry logic
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response = self.session.get(
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url,
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headers=self.headers,
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params=params,
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timeout=10, # Increased timeout
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verify=True # Enable SSL verification
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)
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if response.status_code != 200:
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logger.error(f"Failed to fetch news for {symbol}: HTTP {response.status_code}")
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return []
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data = response.json()
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news_items = data.get('news', [])
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processed_news = []
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for item in news_items:
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try:
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processed_news.append({
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'title': item.get('title', ''),
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'link': item.get('link', ''),
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'publisher': item.get('publisher', ''),
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'published': datetime.fromtimestamp(item.get('providerPublishTime', 0)),
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'summary': item.get('summary', '')
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})
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except (ValueError, TypeError) as e:
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logger.error(f"Error processing news item for {symbol}: {e}")
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continue
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logger.debug(f"Fetched {len(processed_news)} news items for {symbol}")
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return processed_news
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except requests.exceptions.SSLError as e:
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logger.error(f"SSL error fetching news for {symbol}: {e}")
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return []
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except requests.exceptions.RequestException as e:
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logger.error(f"Network error fetching news for {symbol}: {e}")
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return []
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except (ValueError, KeyError) as e:
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logger.error(f"Error parsing news data for {symbol}: {e}")
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return []
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except Exception as e:
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logger.error(f"Unexpected error fetching news for {symbol}: {e}")
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return []
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def update_news_data(self):
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"""Update news data for all configured stock symbols."""
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current_time = time.time()
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update_interval = self.stock_news_config.get('update_interval', 300)
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# Check if we need to update based on time
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if current_time - self.last_update > update_interval:
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symbols = self.stocks_config.get('symbols', [])
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if not symbols:
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logger.warning("No stock symbols configured for news")
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return
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# Get cached data
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cached_data = self.cache_manager.get_cached_data('stock_news')
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# Update each symbol
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new_data = {}
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success = False
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for symbol in symbols:
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# Check if data has changed before fetching
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if cached_data and symbol in cached_data:
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current_state = cached_data[symbol]
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if not self.cache_manager.has_data_changed('stock_news', current_state):
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logger.info(f"News data hasn't changed for {symbol}, using existing data")
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new_data[symbol] = current_state
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success = True
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continue
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# Add a small delay between requests to avoid rate limiting
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time.sleep(random.uniform(0.1, 0.3))
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news_items = self._fetch_news(symbol)
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if news_items:
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new_data[symbol] = news_items
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success = True
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if success:
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# Only update the displayed data when we have new data
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self.news_data = new_data
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self.last_update = current_time
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logger.info(f"Updated news data for {len(new_data)} symbols")
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else:
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logger.error("Failed to fetch news for any configured stocks")
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def _create_text_image(self, text: str, color: Tuple[int, int, int] = (255, 255, 255)) -> Image.Image:
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"""Create an image containing the text for efficient scrolling."""
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# Get text dimensions
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bbox = self.display_manager.draw.textbbox((0, 0), text, font=self.display_manager.small_font)
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text_width = bbox[2] - bbox[0]
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text_height = bbox[3] - bbox[1]
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# Create a new image with the text
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text_image = Image.new('RGB', (text_width, self.display_manager.matrix.height), (0, 0, 0))
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text_draw = ImageDraw.Draw(text_image)
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# Draw the text centered vertically
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y = (self.display_manager.matrix.height - text_height) // 2
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text_draw.text((0, y), text, font=self.display_manager.small_font, fill=color)
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return text_image
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def _log_frame_rate(self):
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"""Log frame rate statistics."""
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current_time = time.time()
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# Calculate instantaneous frame time
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frame_time = current_time - self.last_frame_time
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self.frame_times.append(frame_time)
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# Keep only last 100 frames for average
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if len(self.frame_times) > 100:
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self.frame_times.pop(0)
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# Log FPS every second
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if current_time - self.last_fps_log_time >= 1.0:
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avg_frame_time = sum(self.frame_times) / len(self.frame_times)
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avg_fps = 1.0 / avg_frame_time if avg_frame_time > 0 else 0
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instant_fps = 1.0 / frame_time if frame_time > 0 else 0
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logger.info(f"Frame stats - Avg FPS: {avg_fps:.1f}, Current FPS: {instant_fps:.1f}, Frame time: {frame_time*1000:.2f}ms")
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self.last_fps_log_time = current_time
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self.frame_count = 0
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self.last_frame_time = current_time
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self.frame_count += 1
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def display_news(self):
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"""Display news headlines by scrolling them across the screen."""
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if not self.stock_news_config.get('enabled', False):
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return
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# Start update in background if needed
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if time.time() - self.last_update >= self.stock_news_config.get('update_interval', 300):
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self.update_news_data()
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if not self.news_data:
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logger.warning("No news data available to display")
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return
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# Get all news items from all symbols
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all_news = []
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for symbol, news_items in self.news_data.items():
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for item in news_items:
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all_news.append({
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"symbol": symbol,
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"title": item["title"],
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"publisher": item["publisher"]
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})
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if not all_news:
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return
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# Define width and height here, so they are always available
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width = self.display_manager.matrix.width
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height = self.display_manager.matrix.height
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# Create a continuous scrolling image if needed
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if self.cached_text_image is None:
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random.shuffle(all_news)
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# Estimate total width needed (adjust multiplier if needed)
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# Average headline length guess + symbol + screen width gap
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estimated_item_width = width * 3 # Estimate each item + gap needs ~3 screen widths
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estimated_total_width = estimated_item_width * len(all_news)
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# Create the full image with estimated width
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full_image = Image.new('RGB', (max(estimated_total_width, width), height), (0, 0, 0))
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draw = ImageDraw.Draw(full_image)
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current_x = 0
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screen_width_gap = width # Use a full screen width as the gap
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# Add initial gap before the first headline
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current_x += screen_width_gap
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actual_total_width = 0
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for news in all_news:
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news_text = f"{news['symbol']}: {news['title']} "
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news_image = self._create_text_image(news_text)
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# Check if image needs resizing (should be rare with estimate)
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if current_x + news_image.width > full_image.width:
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# Resize needed - this is less efficient but handles variability
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new_width = current_x + news_image.width + screen_width_gap * (len(all_news) - all_news.index(news)) # Estimate remaining needed
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new_full_image = Image.new('RGB', (new_width, height), (0, 0, 0))
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new_full_image.paste(full_image, (0, 0))
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full_image = new_full_image
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draw = ImageDraw.Draw(full_image) # Update draw object
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logging.warning(f"[StockNews] Resized full_image to {new_width}px")
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# Paste this news image into the full image
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full_image.paste(news_image, (current_x, 0))
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# Move to next position: text width + screen width gap
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current_x += news_image.width + screen_width_gap
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actual_total_width = current_x - screen_width_gap # Remove trailing gap
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# Crop the image to the actual needed size
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if actual_total_width > 0 and actual_total_width < full_image.width:
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full_image = full_image.crop((0, 0, actual_total_width, height))
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# Cache the full image
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self.cached_text_image = full_image
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self.scroll_position = 0
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# Don't reset last_update time here, cache creation isn't a data update
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# self.last_update = time.time()
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# --- Scrolling logic remains the same ---
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# width = self.display_manager.matrix.width # Moved up
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# Check if cached image exists before accessing width
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if self.cached_text_image is None:
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logger.warning("[StockNews] Cached image is None, cannot scroll.")
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return False # Indicate nothing was displayed
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total_width = self.cached_text_image.width
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# If total_width is somehow less than screen width, don't scroll
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if total_width <= width:
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self.display_manager.image.paste(self.cached_text_image, (0, 0))
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self.display_manager.update_display()
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time.sleep(self.stock_news_config.get('item_display_duration', 5)) # Hold static image
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self.cached_text_image = None # Force recreation next cycle
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return True
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# Update scroll position
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self.scroll_position += self.scroll_speed
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if self.scroll_position >= total_width:
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self.scroll_position = 0 # Wrap around
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# Optional: Force reload/reshuffle when wrapping
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# self.cached_text_image = None
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# return True # Indicate wrap happened if needed by controller
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# Calculate the visible portion
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# Handle wrap-around drawing
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visible_end = self.scroll_position + width
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if visible_end <= total_width:
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# Normal case: Paste single crop
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visible_portion = self.cached_text_image.crop((
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self.scroll_position, 0,
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visible_end, height
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))
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self.display_manager.image.paste(visible_portion, (0, 0))
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else:
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# Wrap-around case: Paste two parts
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width1 = total_width - self.scroll_position
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width2 = width - width1
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portion1 = self.cached_text_image.crop((self.scroll_position, 0, total_width, height))
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portion2 = self.cached_text_image.crop((0, 0, width2, height))
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self.display_manager.image.paste(portion1, (0, 0))
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self.display_manager.image.paste(portion2, (width1, 0))
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self.display_manager.update_display()
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self._log_frame_rate()
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time.sleep(self.scroll_delay)
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return True |