155 lines
3.8 KiB
Python
155 lines
3.8 KiB
Python
from django.conf.urls import url
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from django.utils import timezone
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from django.utils.translation import ugettext as _, ugettext_lazy
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from website.models import *
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from website.views import *
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class Router:
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registry = []
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def register (self, route):
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if not route in self.registry:
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self.registry.append(route)
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def register_set (self, view_set):
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for url in view_set.urls:
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self.register(url)
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def unregister (self, route):
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self.registry.remove(route)
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def get_urlpatterns (self):
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return [ url for url in self.registry ]
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class Route:
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"""
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Base class for routing. Given a model, we generate url specific for each
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route type. The generated url takes this form:
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base_name + '/' + route_name + '/' + '/'.join(route_url_args)
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Where base_name by default is the given model's verbose_name (uses plural if
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Route is for a list).
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The given view is considered as a django class view, and has view_
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"""
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name = None # route name
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url_args = [] # arguments passed from the url [ (name : regex),... ]
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@classmethod
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def get_queryset (cl, model, request, **kwargs):
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"""
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Called by the view to get the queryset when it is needed
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"""
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pass
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@classmethod
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def get_object (cl, model, request, **kwargs):
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"""
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Called by the view to get the object when it is needed
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"""
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pass
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@classmethod
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def get_title (cl, model, request, **kwargs):
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return ''
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@classmethod
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def as_url (cl, model, view, view_kwargs = None):
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base_name = model._meta.verbose_name_plural.lower()
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pattern = '^{}/{}'.format(base_name, cl.name)
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if cl.url_args:
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url_args = '/'.join([
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'(?P<{}>{}){}'.format(
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arg, expr,
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(optional and optional[0] and '?') or ''
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)
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for arg, expr, *optional in cl.url_args
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])
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pattern += '/' + url_args
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pattern += '/?$'
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kwargs = {
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'route': cl,
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}
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if view_kwargs:
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kwargs.update(view_kwargs)
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return url(pattern, view, kwargs = kwargs,
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name = base_name + '_' + cl.name)
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class DetailRoute (Route):
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name = 'detail'
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url_args = [
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('pk', '[0-9]+'),
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('slug', '(\w|-|_)+', True),
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]
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@classmethod
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def get_object (cl, model, request, pk, **kwargs):
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return model.objects.get(pk = int(pk))
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class AllRoute (Route):
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name = 'all'
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@classmethod
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def get_queryset (cl, model, request, **kwargs):
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return model.objects.all()
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@classmethod
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def get_title (cl, model, request, **kwargs):
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return _('All %(model)s') % {
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'model': model._meta.verbose_name_plural
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}
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class ThreadRoute (Route):
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name = 'thread'
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url_args = [
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('pk', '[0-9]+'),
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]
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@classmethod
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def get_queryset (cl, model, request, pk, **kwargs):
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return model.objects.filter(thread__pk = int(pk))
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class DateRoute (Route):
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name = 'date'
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url_args = [
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('year', '[0-9]{4}'),
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('month', '[0-9]{2}'),
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('day', '[0-9]{1,2}'),
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]
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@classmethod
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def get_queryset (cl, model, request, year, month, day, **kwargs):
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return model.objects.filter(
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date__year = int(year),
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date__month = int(month),
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date__day = int(day),
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)
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class SearchRoute (Route):
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name = 'search'
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@classmethod
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def get_queryset (cl, model, request, **kwargs):
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q = request.GET.get('q') or ''
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qs = model.objects
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for search_field in model.search_fields or []:
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r = model.objects.filter(**{ search_field + '__icontains': q })
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if qs: qs = qs | r
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else: qs = r
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qs.distinct()
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return qs
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