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25 lines
956 B
Python
25 lines
956 B
Python
from django.conf.urls.defaults import url
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from djangorestframework.settings import api_settings
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def format_suffix_patterns(urlpatterns, suffix_required=False, suffix_kwarg=None):
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"""
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Supplement existing urlpatterns with corrosponding patterns that also
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include a '.format' suffix. Retains urlpattern ordering.
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"""
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suffix_kwarg = suffix_kwarg or api_settings.FORMAT_SUFFIX_KWARG
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suffix_pattern = '.(?P<%s>[a-z]+)$' % suffix_kwarg
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ret = []
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for urlpattern in urlpatterns:
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# Form our complementing '.format' urlpattern
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regex = urlpattern.regex.pattern.rstrip('$') + suffix_pattern
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view = urlpattern._callback or urlpattern._callback_str
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kwargs = urlpattern.default_args
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name = urlpattern.name
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# Add in both the existing and the new urlpattern
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if not suffix_required:
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ret.append(urlpattern)
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ret.append(url(regex, view, kwargs, name))
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return ret
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