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体验新版 GitCode,发现更多精彩内容 >>
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af47bf58
编写于
3月 03, 2017
作者:
Y
Yu Yang
提交者:
GitHub
3月 03, 2017
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差异文件
Merge pull request #1456 from wen-bo-yang/develop
add sentiment data package
上级
325b2caf
61619580
变更
4
隐藏空白更改
内联
并排
Showing
4 changed file
with
185 addition
and
1 deletion
+185
-1
paddle/setup.py.in
paddle/setup.py.in
+1
-0
python/paddle/v2/dataset/__init__.py
python/paddle/v2/dataset/__init__.py
+3
-1
python/paddle/v2/dataset/sentiment.py
python/paddle/v2/dataset/sentiment.py
+126
-0
python/paddle/v2/dataset/tests/test_sentiment.py
python/paddle/v2/dataset/tests/test_sentiment.py
+55
-0
未找到文件。
paddle/setup.py.in
浏览文件 @
af47bf58
...
...
@@ -72,6 +72,7 @@ setup(name="py_paddle",
packages=['py_paddle'],
include_dirs = include_dirs,
install_requires = [
'nltk>=3.2.2',
'numpy>=1.8.0', # The numpy is required.
'protobuf>=3.0.0' # The paddle protobuf version
],
...
...
python/paddle/v2/dataset/__init__.py
浏览文件 @
af47bf58
...
...
@@ -19,7 +19,9 @@ import cifar
import
movielens
import
conll05
import
uci_housing
import
sentiment
__all__
=
[
'mnist'
,
'imikolov'
,
'imdb'
,
'cifar'
,
'movielens'
,
'conll05'
,
'uci_housing'
'mnist'
,
'imikolov'
,
'imdb'
,
'cifar'
,
'movielens'
,
'conll05'
,
'sentiment'
'uci_housing'
]
python/paddle/v2/dataset/sentiment.py
0 → 100644
浏览文件 @
af47bf58
# /usr/bin/env python
# -*- coding:utf-8 -*-
# Copyright (c) 2016 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.
"""
The script fetch and preprocess movie_reviews data set
that provided by NLTK
"""
import
common
import
collections
import
nltk
import
numpy
as
np
from
itertools
import
chain
from
nltk.corpus
import
movie_reviews
__all__
=
[
'train'
,
'test'
,
'get_word_dict'
]
NUM_TRAINING_INSTANCES
=
1600
NUM_TOTAL_INSTANCES
=
2000
def
download_data_if_not_yet
():
"""
Download the data set, if the data set is not download.
"""
try
:
# make sure that nltk can find the data
if
common
.
DATA_HOME
not
in
nltk
.
data
.
path
:
nltk
.
data
.
path
.
append
(
common
.
DATA_HOME
)
movie_reviews
.
categories
()
except
LookupError
:
print
"Downloading movie_reviews data set, please wait....."
nltk
.
download
(
'movie_reviews'
,
download_dir
=
common
.
DATA_HOME
)
print
"Download data set success....."
print
"Path is "
+
nltk
.
data
.
find
(
'corpora/movie_reviews'
).
path
def
get_word_dict
():
"""
Sorted the words by the frequency of words which occur in sample
:return:
words_freq_sorted
"""
words_freq_sorted
=
list
()
word_freq_dict
=
collections
.
defaultdict
(
int
)
download_data_if_not_yet
()
for
category
in
movie_reviews
.
categories
():
for
field
in
movie_reviews
.
fileids
(
category
):
for
words
in
movie_reviews
.
words
(
field
):
word_freq_dict
[
words
]
+=
1
words_sort_list
=
word_freq_dict
.
items
()
words_sort_list
.
sort
(
cmp
=
lambda
a
,
b
:
b
[
1
]
-
a
[
1
])
for
index
,
word
in
enumerate
(
words_sort_list
):
words_freq_sorted
.
append
((
word
[
0
],
index
))
return
words_freq_sorted
def
sort_files
():
"""
Sorted the sample for cross reading the sample
:return:
files_list
"""
files_list
=
list
()
neg_file_list
=
movie_reviews
.
fileids
(
'neg'
)
pos_file_list
=
movie_reviews
.
fileids
(
'pos'
)
files_list
=
list
(
chain
.
from_iterable
(
zip
(
neg_file_list
,
pos_file_list
)))
return
files_list
def
load_sentiment_data
():
"""
Load the data set
:return:
data_set
"""
data_set
=
list
()
download_data_if_not_yet
()
words_ids
=
dict
(
get_word_dict
())
for
sample_file
in
sort_files
():
words_list
=
list
()
category
=
0
if
'neg'
in
sample_file
else
1
for
word
in
movie_reviews
.
words
(
sample_file
):
words_list
.
append
(
words_ids
[
word
.
lower
()])
data_set
.
append
((
words_list
,
category
))
return
data_set
def
reader_creator
(
data
):
"""
Reader creator, generate an iterator for data set
:param data:
train data set or test data set
"""
for
each
in
data
:
yield
each
[
0
],
each
[
1
]
def
train
():
"""
Default train set reader creator
"""
data_set
=
load_sentiment_data
()
return
reader_creator
(
data_set
[
0
:
NUM_TRAINING_INSTANCES
])
def
test
():
"""
Default test set reader creator
"""
data_set
=
load_sentiment_data
()
return
reader_creator
(
data_set
[
NUM_TRAINING_INSTANCES
:])
python/paddle/v2/dataset/tests/test_sentiment.py
0 → 100644
浏览文件 @
af47bf58
# /usr/bin/env python
# -*- coding:utf-8 -*-
# Copyright (c) 2016 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.
import
unittest
import
nltk
import
paddle.v2.dataset.sentiment
as
st
from
nltk.corpus
import
movie_reviews
class
TestSentimentMethods
(
unittest
.
TestCase
):
def
test_get_word_dict
(
self
):
word_dict
=
st
.
get_word_dict
()[
0
:
10
]
test_word_list
=
[(
u
','
,
0
),
(
u
'the'
,
1
),
(
u
'.'
,
2
),
(
u
'a'
,
3
),
(
u
'and'
,
4
),
(
u
'of'
,
5
),
(
u
'to'
,
6
),
(
u
"'"
,
7
),
(
u
'is'
,
8
),
(
u
'in'
,
9
)]
for
idx
,
each
in
enumerate
(
word_dict
):
self
.
assertEqual
(
each
,
test_word_list
[
idx
])
self
.
assertTrue
(
"/root/.cache/paddle/dataset"
in
nltk
.
data
.
path
)
def
test_sort_files
(
self
):
last_label
=
''
for
sample_file
in
st
.
sort_files
():
current_label
=
sample_file
.
split
(
"/"
)[
0
]
self
.
assertNotEqual
(
current_label
,
last_label
)
last_label
=
current_label
def
test_data_set
(
self
):
data_set
=
st
.
load_sentiment_data
()
last_label
=
-
1
for
each
in
st
.
test
():
self
.
assertNotEqual
(
each
[
1
],
last_label
)
last_label
=
each
[
1
]
self
.
assertEqual
(
len
(
data_set
),
st
.
NUM_TOTAL_INSTANCES
)
self
.
assertEqual
(
len
(
list
(
st
.
train
())),
st
.
NUM_TRAINING_INSTANCES
)
self
.
assertEqual
(
len
(
list
(
st
.
test
())),
(
st
.
NUM_TOTAL_INSTANCES
-
st
.
NUM_TRAINING_INSTANCES
))
if
__name__
==
'__main__'
:
unittest
.
main
()
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