24 lines
763 B
Python
24 lines
763 B
Python
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# This module collects helper functions and classes that "span" multiple levels
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# of MVC. In other words, these functions/classes introduce controlled coupling
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# for convenience's sake.
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from django.template import loader
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from django.http import HttpResponse, Http404
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def render_to_response(*args, **kwargs):
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return HttpResponse(loader.render_to_string(*args, **kwargs))
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load_and_render = render_to_response # For backwards compatibility.
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def get_object_or_404(klass, **kwargs):
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try:
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return klass._default_manager.get(**kwargs)
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except klass.DoesNotExist:
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raise Http404
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def get_list_or_404(klass, **kwargs):
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obj_list = list(klass._default_manager.filter(**kwargs))
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if not obj_list:
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raise Http404
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return obj_list
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