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, serialized by name.

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.