Python fields.Int方法代码示例

# 需要导入模块: from webargs import fields [as 别名]
# 或者: from webargs.fields import Int [as 别名]
def param(name, cast=None):
  def switch(case):
    return {
      int: wf.Int(missing=None),
      float: wf.Float(missing=None),
      bool: wf.Bool(missing=None),
      list: wf.DelimitedList(wf.Str(), delimiter=',', missing=[]),
    }.get(case)
  if cast is None or cast is ndb.Key:
    cast_ = wf.Str(missing=None)
  else:
    cast_ = switch(cast) or cast
  args = parser.parse({name: cast_})
  value = args[name]
  return ndb.Key(urlsafe=value) if cast is ndb.Key and value else value 

# 需要导入模块: from webargs import fields [as 别名]
# 或者: from webargs.fields import Int [as 别名]
def get_dbs(cls, query=None, ancestor=None, order=None, limit=None, cursor=None, **kwargs):
    args = parser.parse({
      'cursor': wf.Str(missing=None),
      'limit': wf.Int(missing=None, validate=validate.Range(min=-1)),
      'order': wf.Str(missing=None),
    })
    return util.get_dbs(
      query or cls.query(ancestor=ancestor),
      limit=limit or args['limit'],
      cursor=cursor or args['cursor'],
      order=order or args['order'],
      **kwargs
    ) 

# 需要导入模块: from webargs import fields [as 别名]
# 或者: from webargs.fields import Int [as 别名]
def index(self, request):
    try:
        # patch __log
        self.__log = self._GRest__log

        __validation_rules__ = {
            "skip": fields.Int(required=False,
                               validate=lambda skip: skip >= 0,
                               missing=0),

            "limit": fields.Int(required=False,
                                validate=lambda lim: lim >= 1 and lim <= 100,
                                missing=QUERY_LIMIT),

            "order_by": fields.Str(required=False,
                                   missing="?")
        }

        (primary, secondary) = validate_models(self)

        query_data = validate_input(__validation_rules__, request)
        skip = query_data.get("skip")
        limit = query_data.get("skip") + query_data.get("limit")
        order_by = escape(query_data.get("order_by"))

        if order_by:
            if order_by.startswith("-"):
                # select property for descending ordering
                order_by_prop = order_by[1:]
            else:
                # select property for ascending ordering
                order_by_prop = order_by

            primary_model_props = primary.model.defined_properties().keys()
            if all([order_by_prop not in primary_model_props,
                    order_by_prop != "?"]):
                raise HTTPException(msg.INVALID_ORDER_PROPERTY, 404)

        total_items = len(primary.model.nodes)

        if total_items <= 0:
            raise HTTPException(msg.NO_ITEM_EXISTS.format(
                model=primary.model_name), 404)

        if skip > total_items:
            raise HTTPException(msg.VALIDATION_FAILED, 422)

        items = primary.model.nodes.order_by(order_by)[skip:limit]

        if items:
            return serialize({pluralize(primary.model_name):
                              [item.to_dict() for item in items]})
        else:
            raise HTTPException(msg.NO_ITEM_EXISTS.format(
                model=primary.model_name), 404)
    except DoesNotExist as e:
        self.__log.exception(e)
        raise HTTPException(msg.ITEM_DOES_NOT_EXIST, 404) 

# 需要导入模块: from webargs import fields [as 别名]
# 或者: from webargs.fields import Int [as 别名]
def validation_rules(self):
        """
        if the user has defined validation rules,
        return that, otherwise construct a set of
        predefined rules and return it.

        All internal GRest methods should use this property.
        """

        if hasattr(self, "__validation_rules__"):
            if len(self.__validation_rules__) > 0:
                # there is a set of user-defined validation rules
                return self.__validation_rules__

        model_types = [
            StringProperty, DateTimeProperty, DateProperty,
            EmailProperty, BooleanProperty, UniqueIdProperty,
            ArrayProperty, IntegerProperty, JSONProperty
        ]

        model_mapping = {
            IntegerProperty: fields.Int,
            StringProperty: fields.Str,
            BooleanProperty: fields.Bool,
            DateTimeProperty: fields.DateTime,
            DateProperty: fields.Date,
            EmailProperty: fields.Email,
            ArrayProperty: fields.List,
            JSONProperty: fields.Dict,
            UniqueIdProperty: fields.UUID
        }

        name = 0
        value = 1

        for field in self.defined_properties().items():
            if field[name] not in self.__validation_rules__:
                if type(field[value]) in model_types:
                    if isinstance(field[value], ArrayProperty):
                        if field[value].unique_index:
                            # what it contains: Array of *String*
                            container = model_mapping[
                                type(field[value].unique_index)]
                        else:
                            # defaults to Raw for untyped ArrayProperty
                            container = fields.Raw

                        self.__validation_rules__[field[name]] = model_mapping[
                            type(field[value])](container,
                                                required=field[value].required)
                    else:
                        self.__validation_rules__[field[name]] = model_mapping[
                            type(field[value])](required=field[value].required)

        return self.__validation_rules__