示例#1
0
    def get_list_queryset(self, queryset):
        lookup_params = dict([(smart_str(k)[len(FILTER_PREFIX):], v) for k, v in self.admin_view.params.items()
                              if smart_str(k).startswith(FILTER_PREFIX) and v != ''])
        for p_key, p_val in lookup_params.iteritems():
            if p_val == "False":
                lookup_params[p_key] = False
        use_distinct = False

        # for clean filters
        self.admin_view.has_query_param = bool(lookup_params)
        self.admin_view.clean_query_url = self.admin_view.get_query_string(remove=
                                                                           [k for k in self.request.GET.keys() if k.startswith(FILTER_PREFIX)])

        # Normalize the types of keys
        if not self.free_query_filter:
            for key, value in lookup_params.items():
                if not self.lookup_allowed(key, value):
                    raise SuspiciousOperation(
                        "Filtering by %s not allowed" % key)

        self.filter_specs = []
        if self.list_filter:
            for list_filter in self.list_filter:
                if callable(list_filter):
                    # This is simply a custom list filter class.
                    spec = list_filter(self.request, lookup_params,
                                       self.model, self)
                else:
                    field_path = None
                    field_parts = []
                    if isinstance(list_filter, (tuple, list)):
                        # This is a custom FieldListFilter class for a given field.
                        field, field_list_filter_class = list_filter
                    else:
                        # This is simply a field name, so use the default
                        # FieldListFilter class that has been registered for
                        # the type of the given field.
                        field, field_list_filter_class = list_filter, filter_manager.create
                    if not isinstance(field, models.Field):
                        field_path = field
                        field_parts = get_fields_from_path(
                            self.model, field_path)
                        field = field_parts[-1]
                    spec = field_list_filter_class(
                        field, self.request, lookup_params,
                        self.model, self.admin_view, field_path=field_path)

                    if len(field_parts)>1:
                        # Add related model name to title
                        spec.title = "%s %s"%(field_parts[-2].name,spec.title)

                    # Check if we need to use distinct()
                    use_distinct = (use_distinct or
                                    lookup_needs_distinct(self.opts, field_path))
                if spec and spec.has_output():
                    try:
                        new_qs = spec.do_filte(queryset)
                    except ValidationError, e:
                        new_qs = None
                        self.admin_view.message_user(_("<b>Filtering error:</b> %s") % e.messages[0], 'error')
                    if new_qs is not None:
                        queryset = new_qs

                    self.filter_specs.append(spec)
示例#2
0
                return "%s__iexact" % field_name[1:]
            elif field_name.startswith('@'):
                return "%s__search" % field_name[1:]
            else:
                return "%s__icontains" % field_name

        if self.search_fields and query:
            orm_lookups = [construct_search(str(search_field))
                           for search_field in self.search_fields]
            for bit in query.split():
                or_queries = [models.Q(**{orm_lookup: bit})
                              for orm_lookup in orm_lookups]
                queryset = queryset.filter(reduce(operator.or_, or_queries))
            if not use_distinct:
                for search_spec in orm_lookups:
                    if lookup_needs_distinct(self.opts, search_spec):
                        use_distinct = True
                        break
            self.admin_view.search_query = query

        if use_distinct:
            return queryset.distinct()
        else:
            return queryset

    # Media
    def get_media(self, media):
        if bool(filter(lambda s: isinstance(s, DateFieldListFilter), self.filter_specs)):
            media = media + self.vendor('datepicker.css', 'datepicker.js',
                                        'nadmin.widget.datetime.js')
        if bool(filter(lambda s: isinstance(s, RelatedFieldSearchFilter), self.filter_specs)):