1 # Copyright (c) 2008, Eric Florenzano
2 # Copyright (c) 2010, 2011 Linaro Limited
5 # Redistribution and use in source and binary forms, with or without
6 # modification, are permitted provided that the following conditions are
9 # * Redistributions of source code must retain the above copyright
10 # notice, this list of conditions and the following disclaimer.
11 # * Redistributions in binary form must reproduce the above
12 # copyright notice, this list of conditions and the following
13 # disclaimer in the documentation and/or other materials provided
14 # with the distribution.
15 # * Neither the name of the author nor the names of other
16 # contributors may be used to endorse or promote products derived
17 # from this software without specific prior written permission.
19 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 from django.utils.deprecation import MiddlewareMixin
34 def get_page(self, suffix=''):
36 A function which will be monkeypatched onto the request to get the current
37 integer representing the current page.
40 key = 'page%s' % suffix
41 value = self.POST.get(key)
43 value = self.GET.get(key)
45 except (KeyError, ValueError, TypeError):
49 class PaginationMiddleware(MiddlewareMixin):
51 Inserts a variable representing the current page onto the request object if
52 it exists in either **GET** or **POST** portions of the request.
54 def process_request(self, request):
55 request.__class__.page = get_page