1. import requests
  2. import logging
  4. # Configure logging
  5. logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s')
  8. def safe_http_request(url, method='GET', data=None, headers=None, timeout=5):
  9. """
  10. Performs an HTTP request with basic sanity checks.
  12. Args:
  13. url (str): The URL to request.
  14. method (str): The HTTP method (GET, POST, etc.). Defaults to GET.
  15. data (dict): The data to send in the request body (for POST, PUT, etc.). Defaults to None.
  16. headers (dict): The headers to include in the request. Defaults to None.
  17. timeout (int): Timeout in seconds. Defaults to 5.
  19. Returns:
  20. requests.Response: The response object if the request is successful.
  21. None: If the request fails due to invalid URL, connection error, or other issues.
  22. """
  23. try:
  24. # Sanity check: Valid URL format
  25. if not url.startswith(('http://', 'https://')):
  26. raise ValueError("Invalid URL: URL must start with http:// or https://")
  28. # Make the request
  29. response = requests.request(method, url, data=data, headers=headers, timeout=timeout)
  31. # Sanity check: Successful status code
  32. response.raise_for_status() # Raise HTTPError for bad responses (4xx or 5xx)
  34. return response
  36. except requests.exceptions.RequestException as e:
  37. logging.error(f"Request failed: {e}")
  38. return None
  39. except ValueError as e:
  40. logging.error(f"Invalid URL: {e}")
  41. return None
  42. except Exception as e:
  43. logging.error(f"An unexpected error occurred: {e}")
  44. return None
  48. if __name__ == '__main__':
  49. # Example Usage
  50. url = "https://www.example.com"
  51. response = safe_http_request(url)
  53. if response:
  54. print(f"Request to {url} successful. Status code: {response.status_code}")
  55. #print(response.text) # uncomment to print content
  56. else:
  57. print(f"Request to {url} failed.")
  59. #Example with invalid URL
  60. invalid_url = "example.com"
  61. response = safe_http_request(invalid_url)
  62. if response:
  63. print(f"Request to {invalid_url} successful. Status code: {response.status_code}")
  64. else:
  65. print(f"Request to {invalid_url} failed.")

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