# Path: rlp/exceptions.py
# class SerializationError(RLPException):
#     """Exception raised if serialization fails.
# 
#     :ivar obj: the object that could not be serialized
#     """
# 
#     def __init__(self, message, obj):
#         super(SerializationError, self).__init__(message)
#         self.obj = obj
# 
# class DeserializationError(RLPException):
#     """Exception raised if deserialization fails.
# 
#     :ivar serial: the decoded RLP string that could not be deserialized
#     """
# 
#     def __init__(self, message, serial):
#         super(DeserializationError, self).__init__(message)
#         self.serial = serial
# 
# Path: rlp/atomic.py
# class Atomic(metaclass=abc.ABCMeta):
#     """ABC for objects that can be RLP encoded as is."""
#     pass


from rlp.exceptions import SerializationError, DeserializationError
from rlp.atomic import Atomic
    @classmethod
    def fixed_length(cls, l, allow_empty=False):
        """Create a sedes for binary data with exactly `l` bytes."""
        return cls(l, l, allow_empty=allow_empty)

    @classmethod
    def is_valid_type(cls, obj):
        return isinstance(obj, (bytes, bytearray))

    def is_valid_length(self, l):
        return any((self.min_length <= l <= self.max_length,
                    self.allow_empty and l == 0))

    def serialize(self, obj):
        if not Binary.is_valid_type(obj):
            raise SerializationError('Object is not a serializable ({})'.format(type(obj)), obj)

        if not self.is_valid_length(len(obj)):
            raise SerializationError('Object has invalid length', obj)

        return obj

    def deserialize(self, serial):
        if not isinstance(serial, Atomic):
            m = 'Objects of type {} cannot be deserialized'
            raise DeserializationError(m.format(type(serial).__name__), serial)

        if self.is_valid_length(len(serial)):
            return serial
        else:

# Path: rlp/exceptions.py
# class SerializationError(RLPException):
#     """Exception raised if serialization fails.
# 
#     :ivar obj: the object that could not be serialized
#     """
# 
#     def __init__(self, message, obj):
#         super(SerializationError, self).__init__(message)
#         self.obj = obj
# 
# class DeserializationError(RLPException):
#     """Exception raised if deserialization fails.
# 
#     :ivar serial: the decoded RLP string that could not be deserialized
#     """
# 
#     def __init__(self, message, serial):
#         super(DeserializationError, self).__init__(message)
#         self.serial = serial
# 
# Path: rlp/atomic.py
# class Atomic(metaclass=abc.ABCMeta):
#     """ABC for objects that can be RLP encoded as is."""
#     pass


# Path: rlp/sedes/binary.py
from rlp.exceptions import SerializationError, DeserializationError
from rlp.atomic import Atomic

    @classmethod
    def fixed_length(cls, l, allow_empty=False):
        """Create a sedes for binary data with exactly `l` bytes."""
        return cls(l, l, allow_empty=allow_empty)

    @classmethod
    def is_valid_type(cls, obj):
        return isinstance(obj, (bytes, bytearray))

    def is_valid_length(self, l):
        return any((self.min_length <= l <= self.max_length,
                    self.allow_empty and l == 0))

    def serialize(self, obj):
        if not Binary.is_valid_type(obj):
            raise SerializationError('Object is not a serializable ({})'.format(type(obj)), obj)

        if not self.is_valid_length(len(obj)):
            raise SerializationError('Object has invalid length', obj)

        return obj

    def deserialize(self, serial):
        if not isinstance(serial, Atomic):
            m = 'Objects of type {} cannot be deserialized'
            raise DeserializationError(m.format(type(serial).__name__), serial)

        if self.is_valid_length(len(serial)):
            return serial
        else:

            raise DeserializationError('{} has invalid length'.format(type(serial)), serial)