mik-laj commented on a change in pull request #4474: [AIRFLOW-3439] Decode logs
with 'utf-8'
URL: https://github.com/apache/airflow/pull/4474#discussion_r246997088
##########
File path: airflow/utils/log/gcs_task_handler.py
##########
@@ -129,7 +129,7 @@ def gcs_read(self, remote_log_location):
:type remote_log_location: str (path)
"""
bkt, blob = self.parse_gcs_url(remote_log_location)
- return self.hook.download(bkt, blob).decode()
+ return self.hook.download(bkt, blob).decode('utf-8')
Review comment:
> So .decode('utf-8') is no difference from .decode().
I have a different opinion. Airflow support Python 2.7, 3.6=>
([Source](https://github.com/apache/airflow/blob/master/setup.py#L424))
In documentation for Python 2.7, you can read a fragment:
> Python’s default encoding is the ‘ascii’ encoding.
([Source](https://docs.python.org/2/howto/unicode.html))
It is also worth quoting another fragment
> str.decode([encoding[, errors]])
> Decodes the string using the codec registered for encoding. encoding
defaults to the default string encoding.
([Source]( https://docs.python.org/2.7/library/stdtypes.html#str.decode))
Taking into account the quotations above, the change proposed here changes
the behavior of the program.
I hope that the explanations are sufficient and clear.
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