1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
from django.core.urlresolvers import resolve, get_script_prefix
def get_breadcrumbs(url):
"""Given a url returns a list of breadcrumbs, which are each a tuple of (name, url)."""
from djangorestframework.views import APIView
def breadcrumbs_recursive(url, breadcrumbs_list, prefix):
"""Add tuples of (name, url) to the breadcrumbs list, progressively chomping off parts of the url."""
try:
(view, unused_args, unused_kwargs) = resolve(url)
except Exception:
pass
else:
# Check if this is a REST framework view, and if so add it to the breadcrumbs
if isinstance(getattr(view, 'cls_instance', None), APIView):
breadcrumbs_list.insert(0, (view.cls_instance.get_name(), prefix + url))
if url == '':
# All done
return breadcrumbs_list
elif url.endswith('/'):
# Drop trailing slash off the end and continue to try to resolve more breadcrumbs
return breadcrumbs_recursive(url.rstrip('/'), breadcrumbs_list, prefix)
# Drop trailing non-slash off the end and continue to try to resolve more breadcrumbs
return breadcrumbs_recursive(url[:url.rfind('/') + 1], breadcrumbs_list, prefix)
prefix = get_script_prefix().rstrip('/')
url = url[len(prefix):]
return breadcrumbs_recursive(url, [], prefix)
|
