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# coding: utf-8 |
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from django.conf import settings |
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from collections import OrderedDict |
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class ServiceProvider(OrderedDict): |
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def load_services(self, services=settings.TH_SERVICES): |
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""" |
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get the service from the settings |
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""" |
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kwargs = {} |
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for class_path in services: |
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module_name, class_name = class_path.rsplit('.', 1) |
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klass = import_from_path(class_path) |
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service = klass(None, **kwargs) |
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self.register(class_name, service) |
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def register(self, class_name, service): |
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self[class_name] = service |
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def get_service(self, class_name): |
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""" |
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get the service (class instance) from its name |
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""" |
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return self[class_name] |
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def import_from_path(path): |
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""" |
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Import a class dynamically, given it's dotted path. |
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:param path: the path of the module |
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:type path: string |
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:return: Return the value of the named attribute of object. |
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:rtype: object |
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""" |
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module_name, class_name = path.rsplit('.', 1) |
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try: |
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return getattr(__import__(module_name, |
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fromlist=[class_name]), class_name) |
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except AttributeError: |
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raise ImportError('Unable to import %s' % path) |
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service_provider = ServiceProvider() |
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foxmask /
django-th
