Update ticker_24hr_price_change.py

examples/rest_api/market/ticker_24hr_price_change.py

@@ -1,8 +1,36 @@
 import logging
+import os
+import sys
+from typing import Optional, Any
+
+# Import from the custom library
 from aster.rest_api import Client
 from aster.lib.utils import config_logging
 
-config_logging(logging, logging.DEBUG)
+def setup_environment() -> int:
+    """
+    Determines the logging level from environment variables.
+    Defaults to INFO if not specified.
+    """
+    level_name = os.getenv("LOG_LEVEL", "INFO").upper()
+    return getattr(logging, level_name, logging.INFO)
+
+def fetch_ticker_data(client: Client, symbol: str) -> Optional[Any]:
+    """
+    Safely fetches ticker data with error handling.
+    """
+    try:
+        logging.info(f"Fetching 24hr price change for {symbol}...")
+        data = client.ticker_24hr_price_change(symbol)
+        return data
+    except Exception as e:
+        # Catch network or API errors to prevent the script from crashing unexpectedly
+        logging.error(f"Failed to fetch data for {symbol}: {e}")
+        return None
 
-client = Client()
-logging.info(client.ticker_24hr_price_change("BTCUSDT"))
+def main():
+    """
+    Main execution entry point.
+    """
+    # 1. Configure Logging
+    log_level = setup_environment()