update

.gitignore

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+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+*.egg-info/
+dist/
+build/
+*.egg
+
+# Unit test / coverage reports
+.coverage
+.tox/
+.nox/
+.cache/
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+
+# Jupyter Notebook
+.ipynb_checkpoints/
+
+# PyInstaller
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Virtual environment
+.env
+.venv
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# Pyre type checker
+.pyre/
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# PEP 8 errors
+*.pylint.d

src/.env

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+ALPHA_VANTAGE_API_KEY=*********************

src/alpha_vantage_data_fetch.py

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+import requests
+import os
+import json
+from datetime import datetime
+import logging
+
+# Set up logging
+logging.basicConfig(filename='alpha_vantage_data_fetch.log', level=logging.INFO,
+                    format='%(asctime)s:%(levelname)s:%(message)s')
+
+# Alpha Vantage API configuration
+API_KEY = os.getenv('ALPHA_VANTAGE_API_KEY')  # Store your API key as an environment variable
+BASE_URL = 'https://www.alphavantage.co/query'
+
+def fetch_daily_stock_data(symbol):
+    """
+    Fetch daily stock data for a given symbol from Alpha Vantage API.
+    """
+    function = 'TIME_SERIES_DAILY'
+    params = {
+        'function': function,
+        'symbol': symbol,
+        'apikey': API_KEY
+    }
+
+    try:
+        response = requests.get(BASE_URL, params=params)
+        response.raise_for_status()  # Raise an exception for bad status codes
+        data = response.json()
+
+        if 'Error Message' in data:
+            logging.error(f"Error fetching data for {symbol}: {data['Error Message']}")
+            return None
+
+        return data
+    except requests.RequestException as e:
+        logging.error(f"Request failed for {symbol}: {str(e)}")
+        return None
+
+def save_data_to_file(data, symbol):
+    """
+    Save the fetched data to a JSON file.
+    """
+    filename = f"{symbol}_daily_data_{datetime.now().strftime('%Y%m%d')}.json"
+    try:
+        with open(filename, 'w') as f:
+            json.dump(data, f, indent=4)
+        logging.info(f"Data for {symbol} saved to {filename}")
+    except IOError as e:
+        logging.error(f"Error saving data for {symbol}: {str(e)}")
+
+def main():
+    symbols = ['AAPL', 'GOOGL', 'MSFT']  # Example stock symbols
+
+    for symbol in symbols:
+        logging.info(f"Fetching data for {symbol}")
+        data = fetch_daily_stock_data(symbol)
+        if data:
+            save_data_to_file(data, symbol)
+        else:
+            logging.warning(f"No data fetched for {symbol}")
+
+if __name__ == "__main__":
+    if not API_KEY:
+        logging.error("Alpha Vantage API key not found. Please set the ALPHA_VANTAGE_API_KEY environment variable.")
+    else:
+        main()