Source code for dynaconf.loaders.yaml_loader

# coding: utf-8
import io
from dynaconf import default_settings
from dynaconf.loaders.base import BaseLoader
from dynaconf.constants import YAML_EXTENSIONS
from dynaconf.utils import object_merge
try:
    import yaml
except ImportError as e:  # pragma: no cover
    yaml = None


[docs]def load(obj, env=None, silent=True, key=None, filename=None): """ Reads and loads in to "obj" a single key or all keys from source file. :param obj: the settings instance :param env: settings current env default='development' :param silent: if errors should raise :param key: if defined load a single key, else load all in env :param filename: Optional custom filename to load :return: None """ if yaml is None: # pragma: no cover BaseLoader.warn_not_installed(obj, 'yaml') return loader = BaseLoader( obj=obj, env=env, identifier='yaml', extensions=YAML_EXTENSIONS, file_reader=yaml.load, string_reader=yaml.load ) loader.load(filename=filename, key=key, silent=silent)
[docs]def write(settings_path, settings_data, merge=True): """Write data to a settings file. :param settings_path: the filepath :param settings_data: a dictionary with data :param merge: boolean if existing file should be merged with new data """ if settings_path.exists() and merge: # pragma: no cover object_merge( yaml.load( io.open( str(settings_path), encoding=default_settings.ENCODING_FOR_DYNACONF ) ), settings_data ) yaml.dump( settings_data, io.open( str(settings_path), 'w', encoding=default_settings.ENCODING_FOR_DYNACONF ) )