from copy import deepcopy
from .config import Configuration
from .setting import Setting
from .source.base import Source
__all__ = ("ConfigurationManager",)
class ConfigurationManager(object):
def __init__(self, name):
self.name = name
self.settings = []
def add(self, setting):
if isinstance(setting, Setting):
self.settings.append(setting)
else:
raise TypeError("Can only add objects of type Setting")
def retrieve(self, *sources):
to_process = []
for source in reversed(sources):
if isinstance(source, Source):
to_process.append(source)
elif isinstance(source, type) and issubclass(source, Source):
to_process.append(source())
else:
raise TypeError("All sources must be a Source")
config = Configuration(settings=self.settings)
for source in to_process:
config = source.get_config(
deepcopy(self.settings), manager=self, parent=config
)
config.validate()
return config
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