ConnectionError — Advanced Playground
Base class for connection-related errors
Python Playground
# Custom exception hierarchy
class DetailedConnectionError(ConnectionError):
def __init__(self, message, details=None):
super().__init__(message)
self.details = details or {}
def __str__(self):
base = super().__str__()
if self.details:
detail_str = ", ".join(f"{k}={v}" for k, v in self.details.items())
return f"{base} [{detail_str}]"
return base
try:
raise DetailedConnectionError(
"Something went wrong",
{"code": 42, "source": "test"}
)
except ConnectionError as e:
print(f"Caught: {e}")
if hasattr(e, 'details'):
print(f"Details: {e.details}")
Output
Click "Run" to execute your code
Custom exception subclasses let you add context and structure to your error handling.
Challenge
Try modifying the code above to explore different behaviors. Can you extend the example to handle a new use case?