289 lines
7.4 KiB
Python
289 lines
7.4 KiB
Python
from django.db import models
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import operator
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from django.db.models import Q
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from ox.text import smartSplit
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from ox.django.fields import DictField
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from django.core.paginator import Paginator, InvalidPage, EmptyPage
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from django.template.loader import render_to_string
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from django.contrib.contenttypes.models import ContentType
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from insidepages.models import ModuleTab, ModelExtra
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from os.path import exists
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def splitSearch(string):
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ret = []
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for s in smartSplit(string):
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word = s.replace("'", "").replace('"', '')
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ret.append(word)
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return ret
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#i see the point of this function, but please clean it up: refer to 'except MultipleObjectsReturned' to see why this is here.
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def get_real_ctype(module_name):
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for c in ContentType.objects.filter(model=module_name):
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if c.model_class().is_itf_model == True:
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return c
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return None
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class ItfModel(models.Model):
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fts_fields = []
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fk_filters = []
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# related_models = []
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sort_fields = []
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hasComments = True
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title_field = "title"
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is_itf_model = True
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class Meta:
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abstract = True
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def list_dict(self):
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return {}
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def info_dict(self):
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return self.get_dict()
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def get_title(self):
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return self.get(self.title_field)
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def get_tab(self):
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try:
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ctype = ContentType.objects.get(model=self.__class__._meta.module_name)
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except:#FIXME: ideally catch only MultipleObjectsReturned (figure out where to import that from :/ ) #FUCKING way ugly hack to get clashing model ctype names with django internal models working (get_real_ctypes simply checks, if there are multiple content objects with the same 'module_name', which one is_itf_model, and returns that).
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ctype = get_real_ctype(self.__class__._meta.module_name)
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# modelextra = ModelExtra.objects.filter(model=ctype)[0]
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modelextra = ctype.modelextra_set.all()[0]
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tab = ModuleTab.objects.filter(model=modelextra)[0]
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return tab
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def get_absolute_url(self):
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return "%s?tab_id=%d&object_id=%d" % (self.get_module().get_absolute_url(), self.get_tab().id, self.id)
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def get_module(self):
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tab = self.get_tab()
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if tab:
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return tab.module
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else:
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return None
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def get_main_image(self):
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return {
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'url': '',
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'caption': ''
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}
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def get_template_path(self):
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kls = self.__class__
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return "modules/%s/%s.html" % (kls._meta.app_label, kls._meta.module_name)
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def get_dict(self):
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return self.get(self._get_fields().keys())
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def insidepage_dict(self):
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if not exists(self.get_template_path()):
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return {
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'html': "Template for this model not found."
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}
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try:
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html = render_to_string(self.get_template_path(), self.info_dict())
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except:
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html = "Template render error."
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return {
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'url': self.get_absolute_url(),
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'title': self.get_title(),
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'main_image': self.get_main_image(),
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'html': html
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}
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def get(self, props):
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typ = type(props)
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if typ == list:
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ret = {}
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for p in props:
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ret[p] = self._get_property(p)
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return ret
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elif typ == str:
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return self._get_property(props)
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else:
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return False
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def _get_property(self, prop):
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fields = self._get_fields()
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if prop in fields.keys():
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field_type = fields[prop]
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if field_type in ["TextField", "CharField", "IntegerField"]:
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return self.__getattribute__(prop)
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elif field_type == "ImageField":
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imagefield = self.__getattribute__(prop)
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return imagefield.url if imagefield.name != '' else ''
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elif field_type == "ForeignKey":
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return self._get_fk(prop)
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elif field_type == "ManyToMany":
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return self._get_m2m(prop)
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elif prop.lower() in self.related_models:
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return self._get_related(prop)
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else:
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try:
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val = self.__getattribute__(prop)
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if type(val).__name__ == 'instancemethod' and prop in self.getters:
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return val()
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else:
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return val
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except:
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return False #FIXME
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def _get_fk(self, prop):
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prop = prop.replace("_id", "")
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return self.__getattribute__(prop).get_dict()
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# def _get_related_objects(self, fk_field):
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def _get_m2m(self, prop):
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ret = []
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for o in self.__getattribute__(prop).all():
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ret.append(o.get_dict())
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return ret
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def _get_related(self, prop):
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attr = prop.lower() + "_set"
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ret = []
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for o in self.__getattribute__(attr).all():
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ret.append(o.get_dict())
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return ret
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@classmethod
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def _get_fields(kls):
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ret = {}
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for f in kls._meta.fields:
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ret[f.get_attname()] = type(f).__name__
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return ret
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@classmethod
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def fts(kls, qset, search):
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terms = splitSearch(search)
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qobjects = []
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for t in terms:
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for f in kls.fts_fields:
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qstring = f + '__icontains'
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qobject = Q(**{qstring:t})
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qobjects.append(qobject)
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return qset.filter(reduce(operator.or_, qobjects))
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'''
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eg. fks = {
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'somefield': [1, 5, 7],
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'someotherfield': [3]
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}
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'''
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@classmethod
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def filter_by_fks(kls, qset, fks):
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qobjects = []
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for key in fks.keys():
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field = getField(kls._meta.fields, key)
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if field:
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# rel_class = field.related.parent_model
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for i in fks[key]:
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qobject = Q(**{field.name: i})
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qobjects.append(qobject)
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return qset.filter(reduce(operator.or_, qobjects))
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@classmethod
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def get_fk_objects(kls):
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ret = {}
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for f in kls.fk_filters:
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ret[f] = []
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field = getField(kls._meta.fields, f)
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rel_class = field.related.parent_model
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for o in rel_class.objects.all():
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ret[f].append({
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'id': o.id,
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'title': unicode(o)
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})
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return ret
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@classmethod
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def get_list(kls, data):
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options = {
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'page': 1,
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'count': 12,
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'search': '',
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'sort': [],
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'range': [0,50]
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}
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options.update(data)
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ret = []
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page_no = options['page']
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list_size = options['count']
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try:
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qset = kls.get_qset()
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except:
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qset = kls.objects.all()
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search = options['search']
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if search != '':
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qset = kls.fts(qset, search)
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sort = options['sort']
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if sort != []:
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for s in sort:
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if s['operator'] == '-':
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operator = '-'
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else:
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operator = ''
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sort = operator + s['key']
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qset = qset.order_by(sort)
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'''
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r0 = options['range'][0]
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r1 = options['range'][1]
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results = qset[r0:r1]
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'''
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paginator = Paginator(qset, list_size)
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try:
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results = paginator.page(page_no)
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except (EmptyPage, InvalidPage):
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results = paginator.page(paginator.num_pages)
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for r in results.object_list:
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ret.append(r.list_dict())
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return {
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'page_no': page_no,
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'num_pages': paginator.num_pages,
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'items': ret
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}
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@classmethod
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def get_qset(kls):
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'''
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Override this method in your model class to define a custom queryset instead of objects.all(), for instance, to always exclude unpublished items.
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'''
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raise NotImplementedError
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def getField(fields, name):
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for f in fields:
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if f.name == name:
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return f
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return False
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def site_config():
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with open(settings.SITE_CONFIG) as f:
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site_config = json.load(f)
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site_config['keys'] = {}
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for key in site_config['itemKeys']:
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site_config['keys'][key['id']] = key
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site_config['_findKeys'] = {}
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for key in site_config['findKeys']:
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site_config['_findKeys'][key['id']] = key
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return site_config
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