eth2.0-specs/test_libs/config_helpers/preset_loader/loader.py

26 lines
682 B
Python

from typing import Dict, Any
from ruamel.yaml import (
YAML,
)
from pathlib import Path
from os.path import join
def load_presets(configs_dir, presets_name) -> Dict[str, Any]:
"""
Loads the given preset
:param presets_name: The name of the generator. (lowercase snake_case)
:return: Dictionary, mapping of constant-name -> constant-value
"""
path = Path(join(configs_dir, 'constant_presets', presets_name+'.yaml'))
yaml = YAML(typ='base')
loaded = yaml.load(path)
out = dict()
for k, v in loaded.items():
if v.startswith("0x"):
out[k] = bytes.fromhex(v[2:])
else:
out[k] = int(v)
return out