def loadFromFile(self, fileName):
"""
loads from fileName, a plain text .paramnames file or a "full" yaml file
"""
self.filenameLoadedFrom = os.path.split(fileName)[1]
extension = os.path.splitext(fileName)[-1]
if extension == '.paramnames':
with open(fileName, encoding='utf-8-sig') as f:
self.names = [
ParamInfo(line) for line in [s.strip() for s in f]
if line != ''
]
elif extension.lower() in ('.yaml', '.yml'):
from getdist import yaml_tools
from getdist.cobaya_interface import get_info_params, is_sampled_param
from getdist.cobaya_interface import is_derived_param, _p_label, _p_renames
self.info_dict = yaml_tools.yaml_load_file(fileName)
info_params = get_info_params(self.info_dict)
# first sampled, then derived
self.names = [
ParamInfo(name=param,
label=(info or {}).get(_p_label, param),
renames=(info or {}).get(_p_renames))
for param, info in info_params.items()
if is_sampled_param(info)
]
self.names += [
ParamInfo(name=param,
label=(info or {}).get(_p_label, param),
renames=(info or {}).get(_p_renames),
derived=True) for param, info in info_params.items()
if is_derived_param(info)
]
def yaml_file_or_dict(file_or_dict) -> Mapping:
if isinstance(file_or_dict, str):
from getdist.yaml_tools import yaml_load_file
return yaml_load_file(file_or_dict)
elif isinstance(file_or_dict, Mapping):
return file_or_dict
else:
raise ValueError('Cobya parameter input must be a dictionary or filename')
def get_sampler_type(filename_or_info):
if isinstance(filename_or_info, string_types):
from getdist.yaml_tools import yaml_load_file
filename_or_info = yaml_load_file(filename_or_info)
default_sampler_for_chain_type = "mcmc"
sampler = list(
filename_or_info.get(_sampler, [default_sampler_for_chain_type]))[0]
return {
"mcmc": "mcmc",
"polychord": "nested",
"minimize": "minimize"
}[sampler]
def loadFromFile(self, fileName):
self.filenameLoadedFrom = os.path.split(fileName)[1]
extension = os.path.splitext(fileName)[-1]
if extension in ('.ranges', '.bounds'):
with open(fileName) as f:
for line in f:
strings = [text.strip() for text in line.split()]
if len(strings) == 3:
self.setRange(strings[0], strings[1:])
elif extension in ('.yaml', '.yml'):
from getdist.cobaya_interface import get_range, is_fixed_param, get_info_params
from getdist.yaml_tools import yaml_load_file
info_params = get_info_params(yaml_load_file(fileName))
for p, info in info_params.items():
if not is_fixed_param(info):
self.setRange(p, get_range(info))
def get_sample_label(filename_or_info):
if isinstance(filename_or_info, string_types):
from getdist.yaml_tools import yaml_load_file
filename_or_info = yaml_load_file(filename_or_info)
return filename_or_info.get(_label, None)