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Paddle/python/paddle/fluid/entry_attr.py

75 lines
2.2 KiB

# Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from __future__ import print_function
__all__ = ['ProbabilityEntry', 'CountFilterEntry']
class EntryAttr(object):
"""
Examples:
.. code-block:: python
import paddle.fluid as fluid
"""
def __init__(self):
self._name = None
def to_attr(self):
"""
Returns the attributes of this parameter.
Returns:
Parameter attributes(map): The attributes of this parameter.
"""
raise NotImplementedError("EntryAttr is base class")
class ProbabilityEntry(EntryAttr):
def __init__(self, probability):
super(EntryAttr, self).__init__()
if not isinstance(probability, float):
raise ValueError("probability must be a float in (0,1)")
if probability <= 0 or probability >= 1:
raise ValueError("probability must be a float in (0,1)")
self._name = "probability_entry"
self._probability = probability
def to_attr(self):
return ":".join([self._name, str(self._probability)])
class CountFilterEntry(EntryAttr):
def __init__(self, count_filter):
super(EntryAttr, self).__init__()
if not isinstance(count_filter, int):
raise ValueError(
"count_filter must be a valid integer greater than 0")
if count_filter < 0:
raise ValueError(
"count_filter must be a valid integer greater or equal than 0")
self._name = "count_filter_entry"
self._count_filter = count_filter
def to_attr(self):
return ":".join([self._name, str(self._count_filter)])