Handle check_fn in S3KeySensor

[pankajastro]

closes: #1166

[sunank200]

Another way to serialize python callable - stackoverflow

[pankajastro]

Another way to serialize python callable - stackoverflow

There are some security issues with pickle so maybe we can't use always

[codecov]

Codecov Report

Patch coverage: 100.00% and no project coverage change.

Comparison is base (ebb00d0) 98.58% compared to head (545db4c) 98.58%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1171   +/-   ##
=======================================
  Coverage   98.58%   98.58%           
=======================================
  Files          90       90           
  Lines        5377     5381    +4     
=======================================
+ Hits         5301     5305    +4     
  Misses         76       76           

Impacted Files	Coverage Δ
astronomer/providers/amazon/aws/sensors/s3.py	100.00% <100.00%> (ø)
astronomer/providers/amazon/aws/triggers/s3.py	100.00% <100.00%> (ø)

☔ View full report in Codecov by Sentry.
📢 Do you have feedback about the report comment? Let us know in this issue.

[Lee-W]

Another way to serialize python callable - stackoverflow

There are some security issues with pickle so maybe we can't use always

I've discussed this with @uranusjr . It seems pickle won't work and the current solution might be good enough. Please correct me if I'm wrong. Thanks!