Proposed fix for issue #718

[hsolbrig]

The dataclasses package uses the built-in class signature detection to throw a TypeError if an unrecognized parameter is passed in a constructor. This: a) makes it difficult or impossible to print information about where the parameter came from in a yaml (other file) b) limits our options as to whether we go ahead and continue processing.

The current fix (prior to this submission) was overriding the _init_fn in the dataclasses library, which turned out to be anything but stable. This new fix, instead, tries to focus on the _create_fn, whose signature and behavior is considerably more stable.

IF this fix works, we want to proceed by changing the python generators to emit something like:

import linkml_runtime.utils.dataclass_extensions_376 as dc_tweak
# This line makes certain that the import remains
DC_IN = dc_tweak.DC_CREATE_FN

And, finally, renaming dataclass_extensions_376 to something more reasonable.

[cmungall]

https://github.com/linkml/linkml/pull/718

[codecov-commenter]

Codecov Report

Merging #168 (a4c5e2d) into main (482a7c2) will increase coverage by 1.41%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #168      +/-   ##
==========================================
+ Coverage   62.54%   63.95%   +1.41%     
==========================================
  Files          49       49              
  Lines        5219     5105     -114     
  Branches     1468     1394      -74     
==========================================
+ Hits         3264     3265       +1     
+ Misses       1593     1480     -113     
+ Partials      362      360       -2     

Impacted Files	Coverage Δ
linkml_runtime/utils/context_utils.py	70.17% <100.00%> (+22.17%)	:arrow_up:
linkml_runtime/utils/dataclass_extensions_376.py	100.00% <100.00%> (+82.64%)	:arrow_up:
linkml_runtime/utils/schemaview.py	84.49% <100.00%> (+0.23%)	:arrow_up:
linkml_runtime/utils/schemaops.py	72.00% <0.00%> (-8.44%)	:arrow_down:
linkml_runtime/dumpers/rdf_dumper.py	69.23% <0.00%> (-2.57%)	:arrow_down:
linkml_runtime/utils/namespaces.py	69.81% <0.00%> (ø)
linkml_runtime/utils/eval_utils.py	75.53% <0.00%> (+2.12%)	:arrow_up:
linkml_runtime/utils/yamlutils.py	75.21% <0.00%> (+2.56%)	:arrow_up:

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