consensus-specs/pysetup/spec_builders/__init__.py

from .phase0 import Phase0SpecBuilder
from .altair import AltairSpecBuilder
from .bellatrix import BellatrixSpecBuilder
from .capella import CapellaSpecBuilder
from .deneb import DenebSpecBuilder
from .eip6110 import EIP6110SpecBuilder
from .whisk import WhiskSpecBuilder


spec_builders = {
    builder.fork: builder
    for builder in (
        Phase0SpecBuilder, AltairSpecBuilder, BellatrixSpecBuilder, CapellaSpecBuilder, DenebSpecBuilder,
        EIP6110SpecBuilder, WhiskSpecBuilder,
    )
}