Dev-iL commented on code in PR #58062:
URL: https://github.com/apache/airflow/pull/58062#discussion_r2536675170
##########
airflow-core/src/airflow/models/connection.py:
##########
@@ -339,6 +339,24 @@ def get_uri(self) -> str:
return uri
+ def _safe_decrypt(self, fld: str) -> str:
+ """Safely decrypt and decode a field with proper error handling."""
+ from cryptography.fernet import InvalidToken
+
+ fernet = get_fernet()
+ try:
+ as_bytes = bytes(fld, "utf-8")
+ except (TypeError, UnicodeEncodeError):
+ return fld
Review Comment:
### Context:
This is the issue in question:
```none
airflow-core/src/airflow/models/connection.py:377: error: Incompatible types
in assignment (expression has type "str | None", variable
has type "str") [assignment]
extra_val = self._extra
^~~~~~~~~~~
```
The solution proposed before my suggestion was this:
```python
try:
return fernet.decrypt(bytes(self._password,
"utf-8")).decode()
except Exception as e:
from cryptography.fernet import InvalidToken
if isinstance(e, InvalidToken):
return self._password
raise
```
I suggested the helper method for two reasons:
1. We have the `fernet.decrypt(bytes(self.*, "utf-8")).decode()` patterns in
more than one place.
2. `except Exception` is too broad
Therefore, it made sense to me to handle the exceptions of this fairly
complex expression in one place, while improving the exception handling
resolution.
Adding logs sounds useful and is exactly the sort of benefit we get from
this helper function.
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