backend/constants.py

from __future__ import annotations

# Directed etymology hops only. Cognacy is lateral (IE-CoR sets on the inspector),
# not a parent→child edge type in the reverse-etymology graph.
RELATIONS = [
    "inherited",
    "derived",
    "borrowed",
    "calque",
    "clipping",
    "back_formation",
    "abbreviation",
    "compound",
    "blend",
    "other",
]
REL_TO_CODE = {name: i for i, name in enumerate(RELATIONS)}
DEFAULT_RELATIONS = list(RELATIONS)

# Template names for n-ary compound/blend hyperedges (indexed as uint8).
HYPER_TEMPLATE_VOCAB = (
    "compound",
    "com",
    "affix",
    "af",
    "prefix",
    "pre",
    "suffix",
    "suf",
    "confix",
    "blend",
    "surf",
    "ety:af",
    "ety:blend",
    "etymon:af",
    "etymon:afeq",
    "etymon:blend",
    "etymon:redup",
    "etymon:univ",
)
HYPER_TEMPLATE_TO_CODE = {n: i for i, n in enumerate(HYPER_TEMPLATE_VOCAB)}

MACROAREAS = [
    "",
    "Africa",
    "Australia",
    "Eurasia",
    "North America",
    "Papunesia",
    "South America",
]
MACRO_TO_CODE = {name: i for i, name in enumerate(MACROAREAS)}