Python django.contrib.admin.options 模块，IncorrectLookupParameters() 实例源码

def queryset(self, request, queryset):
        try:
            # #### MPTT ADDITION START
            if self.lookup_val:
                other_model = self.other_model.objects.get(pk=self.lookup_val)
                other_models = other_model.get_descendants(True)
                del self.used_parameters[self.changed_lookup_kwarg]
                self.used_parameters.update(
                    {'%s__%s__in' % (self.field_path, self.rel_name): other_models}
                )
            # #### MPTT ADDITION END
            return queryset.filter(**self.used_parameters)
        except ValidationError as e:
            raise IncorrectLookupParameters(e)

    # Adding padding_style to each choice tuple

def queryset(self, request, queryset):
        try:
            return queryset.filter(**self.used_parameters)
        except ValidationError as e:
            raise IncorrectLookupParameters(e)

def queryset(self, request, queryset):
        try:
            return queryset.filter(**self.used_parameters)
        except ValidationError as e:
            raise IncorrectLookupParameters(e)

def get_admin_cl(self, request):
        ChangeList = self.get_changelist(request)
        try:
            cl = ChangeList(request, self.model, self.list_display,
                            self.list_display_links, self.list_filter, self.date_hierarchy,
                            self.search_fields, self.list_select_related, self.list_per_page,
                            self.list_max_show_all, self.list_editable, self)
            return cl

        except IncorrectLookupParameters:
            raise Exception("IncorrectLookupParameters")

def queryset(self, request, queryset):
        try:
            return queryset.filter(**self.used_parameters)
        except ValidationError as e:
            raise IncorrectLookupParameters(e)

def queryset(self, request, queryset):
        if self.value():
            try:
                node = queryset.model._default_manager.get(pk=self.value())
            except (TypeError, ValueError, queryset.model.DoesNotExist):
                raise IncorrectLookupParameters()
            return queryset.extra(
                where=[
                    '%s = ANY(%s)' % (
                        node.pk,
                        queryset.model._cte_node_path,
                    ),
                ],
            )
        return queryset

def queryset(self, request, queryset):
        if self.used_parameters:
            try:
                return queryset.filter(**self.used_parameters)
            except ValidationError as e:
                raise IncorrectLookupParameters(e)
        elif 'q' in request.GET:
            return queryset
        else:
            return queryset.filter(folder__isnull=True)

def queryset(self, request, queryset):
        try:
            return queryset.filter(**self.used_parameters)
        except ValidationError as e:
            raise IncorrectLookupParameters(e)

def queryset(self, request, queryset):
        try:
            return queryset.filter(**self.used_parameters)
        except ValidationError as e:
            raise IncorrectLookupParameters(e)

def queryset(self, request, queryset):
        try:
            return queryset.filter(**self.used_parameters)
        except ValidationError as e:
            raise IncorrectLookupParameters(e)

def queryset(self, request, queryset):
        try:
            return queryset.filter(**self.used_parameters)
        except ValidationError as e:
            raise IncorrectLookupParameters(e)

def queryset(self, request, queryset):
        try:
            return queryset.filter(**self.used_parameters)
        except ValidationError as e:
            raise IncorrectLookupParameters(e)

def queryset(self, request, queryset):
        try:
            return queryset.filter(**self.used_parameters)
        except ValidationError as e:
            raise IncorrectLookupParameters(e)

def queryset(self, request, queryset):
        try:
            return queryset.filter(**self.used_parameters)
        except ValidationError as e:
            raise IncorrectLookupParameters(e)

def queryset(self, request, queryset):
        try:
            return queryset.filter(**self.used_parameters)
        except ValidationError as e:
            raise IncorrectLookupParameters(e)

def queryset(self, request, queryset):
        try:
            return queryset.filter(**self.used_parameters)
        except ValidationError as e:
            raise IncorrectLookupParameters(e)

def queryset(self, request, queryset):
        try:
            return queryset.filter(**self.used_parameters)
        except ValidationError as e:
            raise IncorrectLookupParameters(e)

def queryset(self, request, queryset):
        try:
            return queryset.filter(**self.used_parameters)
        except ValidationError as e:
            raise IncorrectLookupParameters(e)

def queryset(self, request, queryset):
        try:
            return queryset.filter(**self.used_parameters)
        except ValidationError as e:
            raise IncorrectLookupParameters(e)

def queryset(self, request, queryset):
        try:
            return queryset.filter(**self.used_parameters)
        except ValidationError as e:
            raise IncorrectLookupParameters(e)

def queryset(self, request, queryset):
        try:
            return queryset.filter(**self.used_parameters)
        except ValidationError as e:
            raise IncorrectLookupParameters(e)

def queryset(self, request, queryset):
        try:
            return queryset.filter(**self.used_parameters)
        except ValidationError as e:
            raise IncorrectLookupParameters(e)

def queryset(self, request, queryset):
        try:
            return queryset.filter(**self.used_parameters)
        except ValidationError as e:
            raise IncorrectLookupParameters(e)

def get_results(self, request):
        paginator = self.model_admin.get_paginator(request, self.queryset, self.list_per_page)
        # Get the number of objects, with admin filters applied.
        result_count = paginator.count

        # Get the total number of objects, with no admin filters applied.
        # Perform a slight optimization:
        # full_result_count is equal to paginator.count if no filters
        # were applied
        if self.get_filters_params():
            full_result_count = self.root_queryset.count()
        else:
            full_result_count = result_count
        can_show_all = result_count <= self.list_max_show_all
        multi_page = result_count > self.list_per_page

        # Get the list of objects to display on this page.
        if (self.show_all and can_show_all) or not multi_page:
            result_list = self.queryset._clone()
        else:
            try:
                result_list = paginator.page(self.page_num+1).object_list
            except InvalidPage:
                raise IncorrectLookupParameters

        self.result_count = result_count
        self.full_result_count = full_result_count
        self.result_list = result_list
        self.can_show_all = can_show_all
        self.multi_page = multi_page
        self.paginator = paginator

def queryset(self, request, queryset):
        try:
            return queryset.filter(**self.used_parameters)
        except ValidationError as e:
            raise IncorrectLookupParameters(e)

def queryset(self, request, queryset):
        try:
            return queryset.filter(**self.used_parameters)
        except ValidationError as e:
            raise IncorrectLookupParameters(e)

def queryset(self, request, queryset):
        try:
            return queryset.filter(**self.used_parameters)
        except ValidationError as e:
            raise IncorrectLookupParameters(e)

def queryset(self, request, queryset):
        try:
            return queryset.filter(**self.used_parameters)
        except ValidationError as e:
            raise IncorrectLookupParameters(e)

def queryset(self, request, queryset):
        try:
            return queryset.filter(**self.used_parameters)
        except (ValueError, ValidationError) as e:
            # Fields may raise a ValueError or ValidationError when converting
            # the parameters to the correct type.
            raise IncorrectLookupParameters(e)

def queryset(self, request, queryset):
        try:
            return queryset.filter(**self.used_parameters)
        except ValidationError as e:
            raise IncorrectLookupParameters(e)

def queryset(self, request, queryset):
        try:
            return queryset.filter(**self.used_parameters)
        except ValidationError as e:
            raise IncorrectLookupParameters(e)

def queryset(self, request, queryset):
        try:
            return queryset.filter(**self.used_parameters)
        except ValidationError as e:
            raise IncorrectLookupParameters(e)

def get_filters(self, request):
        lookup_params = self.get_filters_params()
        use_distinct = False

        # Normalize the types of keys
        for key, value in lookup_params.items():
            if not isinstance(key, str):
                # 'key' will be used as a keyword argument later, so Python
                # requires it to be a string.
                del lookup_params[key]
                lookup_params[force_str(key)] = value

            if not self.model_admin.lookup_allowed(key, value):
                raise DisallowedModelAdminLookup("Filtering by %s not allowed" % key)

        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(request, lookup_params,
                        self.model, self.model_admin)
                else:
                    field_path = None
                    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, FieldListFilter.create
                    if not isinstance(field, models.Field):
                        field_path = field
                        field = get_fields_from_path(self.model, field_path)[-1]
                    spec = field_list_filter_class(field, request, lookup_params,
                        self.model, self.model_admin, field_path=field_path)
                    # Check if we need to use distinct()
                    use_distinct = (use_distinct or
                                    lookup_needs_distinct(self.lookup_opts,
                                                          field_path))
                if spec and spec.has_output():
                    filter_specs.append(spec)

        # At this point, all the parameters used by the various ListFilters
        # have been removed from lookup_params, which now only contains other
        # parameters passed via the query string. We now loop through the
        # remaining parameters both to ensure that all the parameters are valid
        # fields and to determine if at least one of them needs distinct(). If
        # the lookup parameters aren't real fields, then bail out.
        try:
            for key, value in lookup_params.items():
                lookup_params[key] = prepare_lookup_value(key, value)
                use_distinct = (use_distinct or
                                lookup_needs_distinct(self.lookup_opts, key))
            return filter_specs, bool(filter_specs), lookup_params, use_distinct
        except FieldDoesNotExist as e:
            six.reraise(IncorrectLookupParameters, IncorrectLookupParameters(e), sys.exc_info()[2])

def get_queryset(self, request):
        # First, we collect all the declared list filters.
        (self.filter_specs, self.has_filters, remaining_lookup_params,
         filters_use_distinct) = self.get_filters(request)

        # Then, we let every list filter modify the queryset to its liking.
        qs = self.root_queryset
        for filter_spec in self.filter_specs:
            new_qs = filter_spec.queryset(request, qs)
            if new_qs is not None:
                qs = new_qs

        try:
            # Finally, we apply the remaining lookup parameters from the query
            # string (i.e. those that haven't already been processed by the
            # filters).
            qs = qs.filter(**remaining_lookup_params)
        except (SuspiciousOperation, ImproperlyConfigured):
            # Allow certain types of errors to be re-raised as-is so that the
            # caller can treat them in a special way.
            raise
        except Exception as e:
            # Every other error is caught with a naked except, because we don't
            # have any other way of validating lookup parameters. They might be
            # invalid if the keyword arguments are incorrect, or if the values
            # are not in the correct type, so we might get FieldError,
            # ValueError, ValidationError, or ?.
            raise IncorrectLookupParameters(e)

        if not qs.query.select_related:
            qs = self.apply_select_related(qs)

        # Set ordering.
        ordering = self.get_ordering(request, qs)
        qs = qs.order_by(*ordering)

        # Apply search results
        qs, search_use_distinct = self.model_admin.get_search_results(
            request, qs, self.query)

        # Remove duplicates from results, if necessary
        if filters_use_distinct | search_use_distinct:
            return qs.distinct()
        else:
            return qs