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37 lines
948 B
37 lines
948 B
# ============================================
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# File: scraper/ui_log.py
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# Purpose: Central UI log buffer for WebGUI
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# Single global buffer. No book_id.
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# ============================================
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import redis
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import os
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from datetime import datetime
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REDIS_URL = os.getenv("REDIS_BROKER", "redis://redis:6379/0")
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LOG_BUFFER_SIZE = int(os.getenv("LOG_BUFFER_SIZE", "1000"))
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r = redis.Redis.from_url(REDIS_URL, decode_responses=True)
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UI_LOG_KEY = "logs:ui"
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def push_ui(message: str):
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"""Push a message into the global UI log (no book_id)."""
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if not message or not message.strip():
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return
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ts = datetime.now().strftime("%H:%M:%S")
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entry = f"[{ts}] {message}"
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r.rpush(UI_LOG_KEY, entry)
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r.ltrim(UI_LOG_KEY, -LOG_BUFFER_SIZE, -1)
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def get_ui_logs(limit: int = None):
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"""Return last N global UI log lines."""
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if limit is None:
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limit = LOG_BUFFER_SIZE
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return r.lrange(UI_LOG_KEY, -limit, -1)
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