Loading a CEX corpus
CEX files are urn|text lines, one per citable passage. read_cex can filter by a substring of the URN to preselect particular works.
from udsyntax import read_cex
lines = read_cex("genesis.cex", urn_filter="vulgate")
urns = [urn for urn, _ in lines]
texts = [text for _, text in lines]