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|
import types
from ..config import Configuration
from .base import Source
__all__ = (
'ModuleSource',
'ObjectSource',
)
class ModuleSource(Source):
def __init__(self, target):
super(ModuleSource, self).__init__()
if isinstance(target, types.ModuleType):
self.target = target
elif isinstance(target, str):
self.target = __import__(target, globals(), locals(), [], -1)
else:
raise TypeError(
'target must be a Module or a String naming a Module'
)
def get_config(self, settings, manager=None, parent=None):
for setting in settings:
if hasattr(self.target, setting.name):
setting.value = getattr(self.target, setting.name)
return Configuration(settings=settings, parent=parent)
class ObjectSource(Source):
def __init__(self, target):
super(ObjectSource, self).__init__()
if isinstance(target, (type, object)):
self.target = target
elif isinstance(target, str):
parts = target.rsplit('.', 2)
if len(parts) == 2:
mod = parts[0]
fromlist = [parts[1]]
else:
mod = parts[0]
fromlist = []
self.target = __import__(mod, globals(), locals(), fromlist, -1)
else:
raise TypeError(
'target must be an Object or a String naming an Object'
)
def get_config(self, settings, manager=None, parent=None):
for setting in settings:
if hasattr(self.target, setting.name):
setting.value = getattr(self.target, setting.name)
return Configuration(settings=settings, parent=parent)
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