Python django.contrib.admin.utils 模块，NotRelationField() 实例源码

我们从Python开源项目中，提取了以下5个代码示例，用于说明如何使用django.contrib.admin.utils.NotRelationField()。

项目：DjangoBlog 作者：0daybug | 项目源码 | 文件源码

def validate_list_filter(self, cls, model):
        """
        Validate that list_filter is a sequence of one of three options:
            1: 'field' - a basic field filter, possibly w/ relationships (eg, 'field__rel')
            2: ('field', SomeFieldListFilter) - a field-based list filter class
            3: SomeListFilter - a non-field list filter class
        """
        from django.contrib.admin import ListFilter, FieldListFilter
        if hasattr(cls, 'list_filter'):
            check_isseq(cls, 'list_filter', cls.list_filter)
            for idx, item in enumerate(cls.list_filter):
                if callable(item) and not isinstance(item, models.Field):
                    # If item is option 3, it should be a ListFilter...
                    if not issubclass(item, ListFilter):
                        raise ImproperlyConfigured("'%s.list_filter[%d]' is '%s'"
                                " which is not a descendant of ListFilter."
                                % (cls.__name__, idx, item.__name__))
                    # ...  but not a FieldListFilter.
                    if issubclass(item, FieldListFilter):
                        raise ImproperlyConfigured("'%s.list_filter[%d]' is '%s'"
                                " which is of type FieldListFilter but is not"
                                " associated with a field name."
                                % (cls.__name__, idx, item.__name__))
                else:
                    if isinstance(item, (tuple, list)):
                        # item is option #2
                        field, list_filter_class = item
                        if not issubclass(list_filter_class, FieldListFilter):
                            raise ImproperlyConfigured("'%s.list_filter[%d][1]'"
                                " is '%s' which is not of type FieldListFilter."
                                % (cls.__name__, idx, list_filter_class.__name__))
                    else:
                        # item is option #1
                        field = item
                    # Validate the field string
                    try:
                        get_fields_from_path(model, field)
                    except (NotRelationField, FieldDoesNotExist):
                        raise ImproperlyConfigured("'%s.list_filter[%d]' refers to '%s'"
                                " which does not refer to a Field."
                                % (cls.__name__, idx, field))

项目：trydjango18 作者：lucifer-yqh | 项目源码 | 文件源码

def validate_list_filter(self, cls, model):
        """
        Validate that list_filter is a sequence of one of three options:
            1: 'field' - a basic field filter, possibly w/ relationships (eg, 'field__rel')
            2: ('field', SomeFieldListFilter) - a field-based list filter class
            3: SomeListFilter - a non-field list filter class
        """
        from django.contrib.admin import ListFilter, FieldListFilter
        if hasattr(cls, 'list_filter'):
            check_isseq(cls, 'list_filter', cls.list_filter)
            for idx, item in enumerate(cls.list_filter):
                if callable(item) and not isinstance(item, models.Field):
                    # If item is option 3, it should be a ListFilter...
                    if not issubclass(item, ListFilter):
                        raise ImproperlyConfigured("'%s.list_filter[%d]' is '%s'"
                                " which is not a descendant of ListFilter."
                                % (cls.__name__, idx, item.__name__))
                    # ...  but not a FieldListFilter.
                    if issubclass(item, FieldListFilter):
                        raise ImproperlyConfigured("'%s.list_filter[%d]' is '%s'"
                                " which is of type FieldListFilter but is not"
                                " associated with a field name."
                                % (cls.__name__, idx, item.__name__))
                else:
                    if isinstance(item, (tuple, list)):
                        # item is option #2
                        field, list_filter_class = item
                        if not issubclass(list_filter_class, FieldListFilter):
                            raise ImproperlyConfigured("'%s.list_filter[%d][1]'"
                                " is '%s' which is not of type FieldListFilter."
                                % (cls.__name__, idx, list_filter_class.__name__))
                    else:
                        # item is option #1
                        field = item
                    # Validate the field string
                    try:
                        get_fields_from_path(model, field)
                    except (NotRelationField, FieldDoesNotExist):
                        raise ImproperlyConfigured("'%s.list_filter[%d]' refers to '%s'"
                                " which does not refer to a Field."
                                % (cls.__name__, idx, field))

项目：trydjango18 作者：wei0104 | 项目源码 | 文件源码

def validate_list_filter(self, cls, model):
        """
        Validate that list_filter is a sequence of one of three options:
            1: 'field' - a basic field filter, possibly w/ relationships (eg, 'field__rel')
            2: ('field', SomeFieldListFilter) - a field-based list filter class
            3: SomeListFilter - a non-field list filter class
        """
        from django.contrib.admin import ListFilter, FieldListFilter
        if hasattr(cls, 'list_filter'):
            check_isseq(cls, 'list_filter', cls.list_filter)
            for idx, item in enumerate(cls.list_filter):
                if callable(item) and not isinstance(item, models.Field):
                    # If item is option 3, it should be a ListFilter...
                    if not issubclass(item, ListFilter):
                        raise ImproperlyConfigured("'%s.list_filter[%d]' is '%s'"
                                " which is not a descendant of ListFilter."
                                % (cls.__name__, idx, item.__name__))
                    # ...  but not a FieldListFilter.
                    if issubclass(item, FieldListFilter):
                        raise ImproperlyConfigured("'%s.list_filter[%d]' is '%s'"
                                " which is of type FieldListFilter but is not"
                                " associated with a field name."
                                % (cls.__name__, idx, item.__name__))
                else:
                    if isinstance(item, (tuple, list)):
                        # item is option #2
                        field, list_filter_class = item
                        if not issubclass(list_filter_class, FieldListFilter):
                            raise ImproperlyConfigured("'%s.list_filter[%d][1]'"
                                " is '%s' which is not of type FieldListFilter."
                                % (cls.__name__, idx, list_filter_class.__name__))
                    else:
                        # item is option #1
                        field = item
                    # Validate the field string
                    try:
                        get_fields_from_path(model, field)
                    except (NotRelationField, FieldDoesNotExist):
                        raise ImproperlyConfigured("'%s.list_filter[%d]' refers to '%s'"
                                " which does not refer to a Field."
                                % (cls.__name__, idx, field))

项目：geekpoint 作者：Lujinghu | 项目源码 | 文件源码

def validate_list_filter(self, cls, model):
        """
        Validate that list_filter is a sequence of one of three options:
            1: 'field' - a basic field filter, possibly w/ relationships (eg, 'field__rel')
            2: ('field', SomeFieldListFilter) - a field-based list filter class
            3: SomeListFilter - a non-field list filter class
        """
        from django.contrib.admin import ListFilter, FieldListFilter
        if hasattr(cls, 'list_filter'):
            check_isseq(cls, 'list_filter', cls.list_filter)
            for idx, item in enumerate(cls.list_filter):
                if callable(item) and not isinstance(item, models.Field):
                    # If item is option 3, it should be a ListFilter...
                    if not issubclass(item, ListFilter):
                        raise ImproperlyConfigured("'%s.list_filter[%d]' is '%s'"
                                " which is not a descendant of ListFilter."
                                % (cls.__name__, idx, item.__name__))
                    # ...  but not a FieldListFilter.
                    if issubclass(item, FieldListFilter):
                        raise ImproperlyConfigured("'%s.list_filter[%d]' is '%s'"
                                " which is of type FieldListFilter but is not"
                                " associated with a field name."
                                % (cls.__name__, idx, item.__name__))
                else:
                    if isinstance(item, (tuple, list)):
                        # item is option #2
                        field, list_filter_class = item
                        if not issubclass(list_filter_class, FieldListFilter):
                            raise ImproperlyConfigured("'%s.list_filter[%d][1]'"
                                " is '%s' which is not of type FieldListFilter."
                                % (cls.__name__, idx, list_filter_class.__name__))
                    else:
                        # item is option #1
                        field = item
                    # Validate the field string
                    try:
                        get_fields_from_path(model, field)
                    except (NotRelationField, FieldDoesNotExist):
                        raise ImproperlyConfigured("'%s.list_filter[%d]' refers to '%s'"
                                " which does not refer to a Field."
                                % (cls.__name__, idx, field))

项目：django-wechat-api 作者：crazy-canux | 项目源码 | 文件源码

def validate_list_filter(self, cls, model):
        """
        Validate that list_filter is a sequence of one of three options:
            1: 'field' - a basic field filter, possibly w/ relationships (eg, 'field__rel')
            2: ('field', SomeFieldListFilter) - a field-based list filter class
            3: SomeListFilter - a non-field list filter class
        """
        from django.contrib.admin import ListFilter, FieldListFilter
        if hasattr(cls, 'list_filter'):
            check_isseq(cls, 'list_filter', cls.list_filter)
            for idx, item in enumerate(cls.list_filter):
                if callable(item) and not isinstance(item, models.Field):
                    # If item is option 3, it should be a ListFilter...
                    if not issubclass(item, ListFilter):
                        raise ImproperlyConfigured("'%s.list_filter[%d]' is '%s'"
                                " which is not a descendant of ListFilter."
                                % (cls.__name__, idx, item.__name__))
                    # ...  but not a FieldListFilter.
                    if issubclass(item, FieldListFilter):
                        raise ImproperlyConfigured("'%s.list_filter[%d]' is '%s'"
                                " which is of type FieldListFilter but is not"
                                " associated with a field name."
                                % (cls.__name__, idx, item.__name__))
                else:
                    if isinstance(item, (tuple, list)):
                        # item is option #2
                        field, list_filter_class = item
                        if not issubclass(list_filter_class, FieldListFilter):
                            raise ImproperlyConfigured("'%s.list_filter[%d][1]'"
                                " is '%s' which is not of type FieldListFilter."
                                % (cls.__name__, idx, list_filter_class.__name__))
                    else:
                        # item is option #1
                        field = item
                    # Validate the field string
                    try:
                        get_fields_from_path(model, field)
                    except (NotRelationField, FieldDoesNotExist):
                        raise ImproperlyConfigured("'%s.list_filter[%d]' refers to '%s'"
                                " which does not refer to a Field."
                                % (cls.__name__, idx, field))