71 lines
2.0 KiB
Python
71 lines
2.0 KiB
Python
"""
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A few bits of helper functions for comment views.
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"""
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import textwrap
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try:
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from urllib.parse import urlencode
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except ImportError: # Python 2
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from urllib import urlencode
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from django.http import HttpResponseRedirect
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from django.shortcuts import render_to_response, resolve_url
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from django.template import RequestContext
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from django.core.exceptions import ObjectDoesNotExist
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from django.contrib import comments
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from django.utils.http import is_safe_url
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def next_redirect(request, fallback, **get_kwargs):
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"""
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Handle the "where should I go next?" part of comment views.
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The next value could be a
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``?next=...`` GET arg or the URL of a given view (``fallback``). See
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the view modules for examples.
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Returns an ``HttpResponseRedirect``.
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"""
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next = request.POST.get('next')
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if not is_safe_url(url=next, host=request.get_host()):
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next = resolve_url(fallback)
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if get_kwargs:
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if '#' in next:
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tmp = next.rsplit('#', 1)
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next = tmp[0]
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anchor = '#' + tmp[1]
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else:
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anchor = ''
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joiner = '&' if '?' in next else '?'
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next += joiner + urlencode(get_kwargs) + anchor
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return HttpResponseRedirect(next)
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def confirmation_view(template, doc="Display a confirmation view."):
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"""
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Confirmation view generator for the "comment was
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posted/flagged/deleted/approved" views.
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"""
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def confirmed(request):
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comment = None
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if 'c' in request.GET:
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try:
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comment = comments.get_model().objects.get(pk=request.GET['c'])
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except (ObjectDoesNotExist, ValueError):
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pass
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return render_to_response(template,
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{'comment': comment},
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context_instance=RequestContext(request)
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)
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confirmed.__doc__ = textwrap.dedent("""\
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%s
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Templates: :template:`%s``
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Context:
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comment
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The posted comment
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""" % (doc, template)
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)
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return confirmed
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