def get_attr_key(obj, attr_key):
# parse "attr[key1][key2][...]"
attr = attr_key.split('[', 1)[0]
keys = re.findall(r'\[(.*?)\]', attr_key)
if attr:
obj = getattr(obj, attr)
return get_nested_key(obj, keys)
def conf_to_init_kwargs(cls, conf):
"""
Turn a configuration object into a dictionary suitable for passing to
``__init__`` as ``**kwargs``.
"""
kwargs = {}
for param, conf_path in cls.INIT_KWARGS_KEY_MAP.items():
try:
val = get_nested_key(conf, conf_path)
except KeyError:
continue
kwargs[param] = val
return kwargs
def _get_base_key_src(conf, path):
conf = get_nested_key(conf,
path[:-1],
getitem=conf.__class__._quiet_get_key)
return conf.resolve_src(path[-1])
def _get_base_key_val(conf, path):
return get_nested_key(conf,
path,
getitem=conf.__class__._quiet_get_key)
def _get_param_key_desc_map(cls):
return {
param: get_nested_key(cls.CONF_CLASS.STRUCTURE, conf_path)
for param, conf_path in cls.INIT_KWARGS_KEY_MAP.items()
}
