mindspore2022/tests/ut/python/dataset/util_minddataset.py

231 lines
8.1 KiB
Python

# Copyright 2022 Huawei Technologies Co., Ltd
#
# 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.
# ==============================================================================
"""
This module contains common utility functions for minddataset tests.
"""
import os
import re
import string
import collections
import pytest
import numpy as np
from mindspore.mindrecord import FileWriter
FILES_NUM = 4
CV_DIR_NAME = "../data/mindrecord/testImageNetData"
def get_data(dir_name):
"""
usage: get data from imagenet dataset
params:
dir_name: directory containing folder images and annotation information
"""
if not os.path.isdir(dir_name):
raise IOError("Directory {} does not exist".format(dir_name))
img_dir = os.path.join(dir_name, "images")
ann_file = os.path.join(dir_name, "annotation.txt")
with open(ann_file, "r") as file_reader:
lines = file_reader.readlines()
data_list = []
for i, line in enumerate(lines):
try:
filename, label = line.split(",")
label = label.strip("\n")
with open(os.path.join(img_dir, filename), "rb") as file_reader:
img = file_reader.read()
data_json = {"id": i,
"file_name": filename,
"data": img,
"label": int(label)}
data_list.append(data_json)
except FileNotFoundError:
continue
return data_list
def inputs(vectors, maxlen=50):
length = len(vectors)
if length > maxlen:
return vectors[0:maxlen], [1] * maxlen, [0] * maxlen
input_ = vectors + [0] * (maxlen - length)
mask = [1] * length + [0] * (maxlen - length)
segment = [0] * maxlen
return input_, mask, segment
def convert_to_uni(text):
if isinstance(text, str):
return text
if isinstance(text, bytes):
return text.decode('utf-8', 'ignore')
raise Exception("The type %s does not convert!" % type(text))
def load_vocab(vocab_file):
"""load vocabulary to translate statement."""
vocab = collections.OrderedDict()
vocab.setdefault('blank', 2)
index = 0
with open(vocab_file) as reader:
while True:
tmp = reader.readline()
if not tmp:
break
token = convert_to_uni(tmp)
token = token.strip()
vocab[token] = index
index += 1
return vocab
def get_nlp_data(dir_name, vocab_file, num):
"""
Return raw data of aclImdb dataset.
Args:
dir_name (str): String of aclImdb dataset's path.
vocab_file (str): String of dictionary's path.
num (int): Number of sample.
Returns:
List
"""
if not os.path.isdir(dir_name):
raise IOError("Directory {} not exists".format(dir_name))
for root, _, files in os.walk(dir_name):
for index, file_name_extension in enumerate(files):
if index < num:
file_path = os.path.join(root, file_name_extension)
file_name, _ = file_name_extension.split('.', 1)
id_, rating = file_name.split('_', 1)
with open(file_path, 'r') as f:
raw_content = f.read()
dictionary = load_vocab(vocab_file)
vectors = [dictionary.get('[CLS]')]
vectors += [dictionary.get(i) if i in dictionary
else dictionary.get('[UNK]')
for i in re.findall(r"[\w']+|[{}]"
.format(string.punctuation),
raw_content)]
vectors += [dictionary.get('[SEP]')]
input_, mask, segment = inputs(vectors)
input_ids = np.reshape(np.array(input_), [-1])
input_mask = np.reshape(np.array(mask), [1, -1])
segment_ids = np.reshape(np.array(segment), [2, -1])
data = {
"label": 1,
"id": id_,
"rating": float(rating),
"input_ids": input_ids,
"input_mask": input_mask,
"segment_ids": segment_ids
}
yield data
@pytest.fixture
def add_and_remove_cv_file():
"""add/remove cv file"""
file_name = os.environ.get('PYTEST_CURRENT_TEST').split(':')[-1].split(' ')[0]
paths = ["{}{}".format(file_name, str(x).rjust(1, '0'))
for x in range(FILES_NUM)]
try:
for x in paths:
if os.path.exists("{}".format(x)):
os.remove("{}".format(x))
if os.path.exists("{}.db".format(x)):
os.remove("{}.db".format(x))
writer = FileWriter(file_name, FILES_NUM)
data = get_data(CV_DIR_NAME)
cv_schema_json = {"id": {"type": "int32"},
"file_name": {"type": "string"},
"label": {"type": "int32"},
"data": {"type": "bytes"}}
writer.add_schema(cv_schema_json, "img_schema")
writer.add_index(["file_name", "label"])
writer.write_raw_data(data)
writer.commit()
yield "yield_cv_data"
except Exception as error:
for x in paths:
os.remove("{}".format(x))
os.remove("{}.db".format(x))
raise error
else:
for x in paths:
os.remove("{}".format(x))
os.remove("{}.db".format(x))
@pytest.fixture
def add_and_remove_file():
"""add/remove file"""
file_name = os.environ.get('PYTEST_CURRENT_TEST').split(':')[-1].split(' ')[0]
paths = ["{}{}".format(file_name + "_cv", str(x).rjust(1, '0'))
for x in range(FILES_NUM)]
paths += ["{}{}".format(file_name + "_nlp", str(x).rjust(1, '0'))
for x in range(FILES_NUM)]
try:
for x in paths:
if os.path.exists("{}".format(x)):
os.remove("{}".format(x))
if os.path.exists("{}.db".format(x)):
os.remove("{}.db".format(x))
writer = FileWriter(file_name + "_nlp", FILES_NUM)
data = list(get_nlp_data("../data/mindrecord/testAclImdbData/pos",
"../data/mindrecord/testAclImdbData/vocab.txt",
10))
nlp_schema_json = {"id": {"type": "string"}, "label": {"type": "int32"},
"rating": {"type": "float32"},
"input_ids": {"type": "int64",
"shape": [1, -1]},
"input_mask": {"type": "int64",
"shape": [1, -1]},
"segment_ids": {"type": "int64",
"shape": [1, -1]}
}
writer.add_schema(nlp_schema_json, "nlp_schema")
writer.add_index(["id", "rating"])
writer.write_raw_data(data)
writer.commit()
writer = FileWriter(file_name + "_cv", FILES_NUM)
data = get_data(CV_DIR_NAME)
cv_schema_json = {"id": {"type": "int32"},
"file_name": {"type": "string"},
"label": {"type": "int32"},
"data": {"type": "bytes"}}
writer.add_schema(cv_schema_json, "img_schema")
writer.add_index(["file_name", "label"])
writer.write_raw_data(data)
writer.commit()
yield "yield_data"
except Exception as error:
for x in paths:
os.remove("{}".format(x))
os.remove("{}.db".format(x))
raise error
else:
for x in paths:
os.remove("{}".format(x))
os.remove("{}.db".format(x))