Add file-like interface to Material for openmc Evaluation compatibility - #40
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shimwell wants to merge 1 commit into
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Add file-like interface to Material for openmc Evaluation compatibility#40shimwell wants to merge 1 commit into
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this issue #39 surfaced again today, any chance of merging this |
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Closing since openmc-dev/openmc#3932 was merged |
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this change fixes issue #39 for me.
openmc.data.endf imports get_materials as get_evaluations, so code that calls get_evaluations() receives Material objects.
However, openmc.data.IncidentPhoton.from_endf() only recognizes its own Evaluation type via isinstance, and falls back to Evaluation(obj) which expects a file-like object. This fails with AttributeError: 'Material' object has no attribute 'tell'.
This PR adds tell(), readline(), and seek() methods to Material that delegate to a lazily-built StringIO reconstructing valid ENDF text from section_text. This allows Material to be passed anywhere a file-like ENDF source is expected.