Module retrieval 

ENDF file download and local caching.

Downloads ENDF files from official NNDC/IAEA sources and caches them locally for offline use. Follows the IAEA URL patterns established by PLEIADES.

PLEIADES Reference

• pleiades/nuclear/manager.py — URL construction, cache directory layout
• pleiades/nuclear/models.py — library enum, filename patterns

Structs

EndfRetriever

ENDF file retrieval manager with local caching.

Enums

EndfLibrary

ENDF evaluated nuclear data libraries.

EndfRetrievalError

Errors from ENDF retrieval operations.

Functions

default_cache_dir

Compute the default on-disk cache directory for a given library without constructing an EndfRetriever.

default_cache_file_path

Compute the default cache file path for an isotope without constructing an EndfRetriever. Same layout as EndfRetriever::cache_file_path.

has_endf_evaluation_for

Whether the given library has an evaluation for (Z, A).

known_isotopes_for

All mass numbers with an evaluation for element Z in the given library.

mat_number

Look up the ENDF MAT number for a ground-state isotope, library-aware.