Tim Graham added the comment:
And on further investigation, I'm not sure how to fix the deprecation warnings
in Django. We have a urlpattern like this:
url(r'^(?i)CaseInsensitive/(\w+)', empty_view, name="insensitive"),
The regex string r'^(?i)CaseInsensitive/(\w+)' is later substituted in this
line in Django's URL resolver as the `pattern`:
if re.search('^%s%s' % (re.escape(_prefix), pattern), candidate_pat %
candidate_subs, re.UNICODE):
It seems Django would need to extract any flags from `pattern` and put them at
the start of the '^%s%s' string that's constructed for re.search(). I'm not
sure if this can be done easily.
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<http://bugs.python.org/issue22493>
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