function in output_file_template

[djarecka]

Types of changes

• New feature (non-breaking change which adds functionality)

Summary

allowing output_file_template to be a function that returns a different templates depending on the values of the input fields

Checklist

• I have added tests to cover my changes (if necessary)
• I have updated documentation (if necessary)

[codecov]

Codecov Report

Merging #553 (2067a05) into master (1bc0f75) will increase coverage by 0.02%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #553      +/-   ##
==========================================
+ Coverage   77.03%   77.06%   +0.02%     
==========================================
  Files          20       20              
  Lines        4311     4316       +5     
  Branches     1210     1212       +2     
==========================================
+ Hits         3321     3326       +5     
  Misses        802      802              
  Partials      188      188              

Flag	Coverage Δ
unittests	76.96% <100.00%> (+0.02%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
pydra/engine/helpers_file.py	78.85% <100.00%> (+0.12%)	⬆️
pydra/engine/specs.py	88.59% <100.00%> (+0.08%)	⬆️

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[djarecka]

@yibeichan - please check if this changes (merged to master but not released) would solve your problem with creating a template based on the values of input.

I realized that using callable would not the best option, I simply allow output_file_template to be a function that takes inputs as an argument and returns templates, see tests in this PR

[yibeichan]

@djarecka thank you! I updated with your code and passed the test locally, but the output from the test seems a bit weird. I'll show you tomorrow morning