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mindspore/tests/ut/python/dataset/test_paddeddataset.py

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from io import BytesIO
import copy
import os
import numpy as np
import pytest
import mindspore.dataset as ds
from mindspore.mindrecord import FileWriter
import mindspore.dataset.vision.c_transforms as V_C
from PIL import Image
FILES_NUM = 4
CV_FILE_NAME = "../data/mindrecord/imagenet.mindrecord"
CV_DIR_NAME = "../data/mindrecord/testImageNetData"
def generator_5():
for i in range(0, 5):
yield (np.array([i]),)
def generator_8():
for i in range(5, 8):
yield (np.array([i]),)
def generator_10():
for i in range(0, 10):
yield (np.array([i]),)
def generator_20():
for i in range(10, 20):
yield (np.array([i]),)
def generator_30():
for i in range(20, 30):
yield (np.array([i]),)
def test_TFRecord_Padded():
DATA_DIR = ["../data/dataset/test_tf_file_3_images/train-0000-of-0001.data"]
SCHEMA_DIR = "../data/dataset/test_tf_file_3_images/datasetSchema.json"
result_list = [[159109, 2], [192607, 3], [179251, 4], [1, 5]]
verify_list = []
shard_num = 4
for i in range(shard_num):
data = ds.TFRecordDataset(DATA_DIR, SCHEMA_DIR, columns_list=["image"],
shuffle=False, shard_equal_rows=True)
padded_samples = [{'image': np.zeros(1, np.uint8)}, {'image': np.zeros(2, np.uint8)},
{'image': np.zeros(3, np.uint8)}, {'image': np.zeros(4, np.uint8)},
{'image': np.zeros(5, np.uint8)}]
padded_ds = ds.PaddedDataset(padded_samples)
concat_ds = data + padded_ds
testsampler = ds.DistributedSampler(num_shards=shard_num, shard_id=i, shuffle=False, num_samples=None)
concat_ds.use_sampler(testsampler)
shard_list = []
for item in concat_ds.create_dict_iterator(num_epochs=1, output_numpy=True):
shard_list.append(len(item['image']))
verify_list.append(shard_list)
assert verify_list == result_list
def test_GeneratorDataSet_Padded():
result_list = []
for i in range(10):
tem_list = []
tem_list.append(i)
tem_list.append(10 + i)
result_list.append(tem_list)
verify_list = []
data1 = ds.GeneratorDataset(generator_20, ["col1"])
data2 = ds.GeneratorDataset(generator_10, ["col1"])
data3 = data2 + data1
shard_num = 10
for i in range(shard_num):
distributed_sampler = ds.DistributedSampler(num_shards=shard_num, shard_id=i, shuffle=False, num_samples=None)
data3.use_sampler(distributed_sampler)
tem_list = []
for ele in data3.create_dict_iterator(num_epochs=1, output_numpy=True):
tem_list.append(ele['col1'][0])
verify_list.append(tem_list)
assert verify_list == result_list
def test_Reapeat_afterPadded():
result_list = [1, 3, 5, 7]
verify_list = []
data1 = [{'image': np.zeros(1, np.uint8)}, {'image': np.zeros(2, np.uint8)},
{'image': np.zeros(3, np.uint8)}, {'image': np.zeros(4, np.uint8)},
{'image': np.zeros(5, np.uint8)}]
data2 = [{'image': np.zeros(6, np.uint8)}, {'image': np.zeros(7, np.uint8)},
{'image': np.zeros(8, np.uint8)}]
ds1 = ds.PaddedDataset(data1)
ds2 = ds.PaddedDataset(data2)
ds3 = ds1 + ds2
testsampler = ds.DistributedSampler(num_shards=2, shard_id=0, shuffle=False, num_samples=None)
ds3.use_sampler(testsampler)
repeat_num = 2
ds3 = ds3.repeat(repeat_num)
for item in ds3.create_dict_iterator(num_epochs=1, output_numpy=True):
verify_list.append(len(item['image']))
assert verify_list == result_list * repeat_num
def test_bath_afterPadded():
data1 = [{'image': np.zeros(1, np.uint8)}, {'image': np.zeros(1, np.uint8)},
{'image': np.zeros(1, np.uint8)}, {'image': np.zeros(1, np.uint8)},
{'image': np.zeros(1, np.uint8)}]
data2 = [{'image': np.zeros(1, np.uint8)}, {'image': np.zeros(1, np.uint8)},
{'image': np.zeros(1, np.uint8)}]
ds1 = ds.PaddedDataset(data1)
ds2 = ds.PaddedDataset(data2)
ds3 = ds1 + ds2
testsampler = ds.DistributedSampler(num_shards=2, shard_id=0, shuffle=False, num_samples=None)
ds3.use_sampler(testsampler)
ds4 = ds3.batch(2)
assert sum([1 for _ in ds4]) == 2
def test_Unevenly_distributed():
result_list = [[1, 4, 7], [2, 5, 8], [3, 6]]
verify_list = []
data1 = [{'image': np.zeros(1, np.uint8)}, {'image': np.zeros(2, np.uint8)},
{'image': np.zeros(3, np.uint8)}, {'image': np.zeros(4, np.uint8)},
{'image': np.zeros(5, np.uint8)}]
data2 = [{'image': np.zeros(6, np.uint8)}, {'image': np.zeros(7, np.uint8)},
{'image': np.zeros(8, np.uint8)}]
testsampler = ds.DistributedSampler(num_shards=4, shard_id=0, shuffle=False, num_samples=None, offset=1)
ds1 = ds.PaddedDataset(data1)
ds2 = ds.PaddedDataset(data2)
ds3 = ds1 + ds2
numShard = 3
for i in range(numShard):
tem_list = []
testsampler = ds.DistributedSampler(num_shards=numShard, shard_id=i, shuffle=False, num_samples=None)
ds3.use_sampler(testsampler)
for item in ds3.create_dict_iterator(num_epochs=1, output_numpy=True):
tem_list.append(len(item['image']))
verify_list.append(tem_list)
assert verify_list == result_list
def test_three_datasets_connected():
result_list = []
for i in range(10):
tem_list = []
tem_list.append(i)
tem_list.append(10 + i)
tem_list.append(20 + i)
result_list.append(tem_list)
verify_list = []
data1 = ds.GeneratorDataset(generator_10, ["col1"])
data2 = ds.GeneratorDataset(generator_20, ["col1"])
data3 = ds.GeneratorDataset(generator_30, ["col1"])
data4 = data1 + data2 + data3
shard_num = 10
for i in range(shard_num):
distributed_sampler = ds.DistributedSampler(num_shards=shard_num, shard_id=i, shuffle=False, num_samples=None)
data4.use_sampler(distributed_sampler)
tem_list = []
for ele in data4.create_dict_iterator(num_epochs=1, output_numpy=True):
tem_list.append(ele['col1'][0])
verify_list.append(tem_list)
assert verify_list == result_list
def test_raise_error():
data1 = [{'image': np.zeros(0, np.uint8)}, {'image': np.zeros(0, np.uint8)},
{'image': np.zeros(0, np.uint8)}, {'image': np.zeros(0, np.uint8)},
{'image': np.zeros(0, np.uint8)}]
data2 = [{'image': np.zeros(0, np.uint8)}, {'image': np.zeros(0, np.uint8)},
{'image': np.zeros(0, np.uint8)}]
ds1 = ds.PaddedDataset(data1)
ds4 = ds1.batch(2)
ds2 = ds.PaddedDataset(data2)
ds3 = ds4 + ds2
with pytest.raises(TypeError) as excinfo:
testsampler = ds.DistributedSampler(num_shards=2, shard_id=0, shuffle=False, num_samples=None)
ds3.use_sampler(testsampler)
assert excinfo.type == 'TypeError'
with pytest.raises(TypeError) as excinfo:
otherSampler = ds.SequentialSampler()
ds3.use_sampler(otherSampler)
assert excinfo.type == 'TypeError'
with pytest.raises(ValueError) as excinfo:
testsampler = ds.DistributedSampler(num_shards=2, shard_id=0, shuffle=True, num_samples=None)
ds3.use_sampler(testsampler)
assert excinfo.type == 'ValueError'
with pytest.raises(ValueError) as excinfo:
testsampler = ds.DistributedSampler(num_shards=2, shard_id=0, shuffle=False, num_samples=5)
ds3.use_sampler(testsampler)
assert excinfo.type == 'ValueError'
def test_imagefolder_error():
DATA_DIR = "../data/dataset/testPK/data"
data = ds.ImageFolderDataset(DATA_DIR, num_samples=14)
data1 = [{'image': np.zeros(1, np.uint8), 'label': np.array(0, np.int32)},
{'image': np.zeros(2, np.uint8), 'label': np.array(1, np.int32)},
{'image': np.zeros(3, np.uint8), 'label': np.array(0, np.int32)},
{'image': np.zeros(4, np.uint8), 'label': np.array(1, np.int32)},
{'image': np.zeros(5, np.uint8), 'label': np.array(0, np.int32)},
{'image': np.zeros(6, np.uint8), 'label': np.array(1, np.int32)}]
data2 = ds.PaddedDataset(data1)
data3 = data + data2
with pytest.raises(ValueError) as excinfo:
testsampler = ds.DistributedSampler(num_shards=5, shard_id=4, shuffle=False, num_samples=None)
data3.use_sampler(testsampler)
assert excinfo.type == 'ValueError'
def test_imagefolder_padded():
DATA_DIR = "../data/dataset/testPK/data"
data = ds.ImageFolderDataset(DATA_DIR)
data1 = [{'image': np.zeros(1, np.uint8), 'label': np.array(0, np.int32)},
{'image': np.zeros(2, np.uint8), 'label': np.array(1, np.int32)},
{'image': np.zeros(3, np.uint8), 'label': np.array(0, np.int32)},
{'image': np.zeros(4, np.uint8), 'label': np.array(1, np.int32)},
{'image': np.zeros(5, np.uint8), 'label': np.array(0, np.int32)},
{'image': np.zeros(6, np.uint8), 'label': np.array(1, np.int32)}]
data2 = ds.PaddedDataset(data1)
data3 = data + data2
testsampler = ds.DistributedSampler(num_shards=5, shard_id=4, shuffle=False, num_samples=None)
data3.use_sampler(testsampler)
assert sum([1 for _ in data3]) == 10
verify_list = []
for ele in data3.create_dict_iterator(num_epochs=1, output_numpy=True):
verify_list.append(len(ele['image']))
assert verify_list[8] == 1
assert verify_list[9] == 6
def test_imagefolder_padded_with_decode():
num_shards = 5
count = 0
for shard_id in range(num_shards):
DATA_DIR = "../data/dataset/testPK/data"
data = ds.ImageFolderDataset(DATA_DIR)
white_io = BytesIO()
Image.new('RGB', (224, 224), (255, 255, 255)).save(white_io, 'JPEG')
padded_sample = {}
padded_sample['image'] = np.array(bytearray(white_io.getvalue()), dtype='uint8')
padded_sample['label'] = np.array(-1, np.int32)
white_samples = [padded_sample, padded_sample, padded_sample, padded_sample]
data2 = ds.PaddedDataset(white_samples)
data3 = data + data2
testsampler = ds.DistributedSampler(num_shards=num_shards, shard_id=shard_id, shuffle=False, num_samples=None)
data3.use_sampler(testsampler)
data3 = data3.map(operations=V_C.Decode(), input_columns="image")
shard_sample_count = 0
for ele in data3.create_dict_iterator(num_epochs=1, output_numpy=True):
print("label: {}".format(ele['label']))
count += 1
shard_sample_count += 1
assert shard_sample_count in (9, 10)
assert count == 48
def test_imagefolder_padded_with_decode_and_get_dataset_size():
num_shards = 5
count = 0
for shard_id in range(num_shards):
DATA_DIR = "../data/dataset/testPK/data"
data = ds.ImageFolderDataset(DATA_DIR)
white_io = BytesIO()
Image.new('RGB', (224, 224), (255, 255, 255)).save(white_io, 'JPEG')
padded_sample = {}
padded_sample['image'] = np.array(bytearray(white_io.getvalue()), dtype='uint8')
padded_sample['label'] = np.array(-1, np.int32)
white_samples = [padded_sample, padded_sample, padded_sample, padded_sample]
data2 = ds.PaddedDataset(white_samples)
data3 = data + data2
testsampler = ds.DistributedSampler(num_shards=num_shards, shard_id=shard_id, shuffle=False, num_samples=None)
data3.use_sampler(testsampler)
shard_dataset_size = data3.get_dataset_size()
data3 = data3.map(operations=V_C.Decode(), input_columns="image")
shard_sample_count = 0
for ele in data3.create_dict_iterator(num_epochs=1, output_numpy=True):
print("label: {}".format(ele['label']))
count += 1
shard_sample_count += 1
assert shard_sample_count in (9, 10)
assert shard_dataset_size == shard_sample_count
assert count == 48
def test_more_shard_padded():
result_list = []
for i in range(8):
result_list.append(1)
result_list.append(0)
data1 = ds.GeneratorDataset(generator_5, ["col1"])
data2 = ds.GeneratorDataset(generator_8, ["col1"])
data3 = data1 + data2
vertifyList = []
numShard = 9
for i in range(numShard):
tem_list = []
testsampler = ds.DistributedSampler(num_shards=numShard, shard_id=i, shuffle=False, num_samples=None)
data3.use_sampler(testsampler)
for item in data3.create_dict_iterator(num_epochs=1, output_numpy=True):
tem_list.append(item['col1'])
vertifyList.append(tem_list)
assert [len(ele) for ele in vertifyList] == result_list
vertifyList1 = []
result_list1 = []
for i in range(8):
result_list1.append([i + 1])
result_list1.append([])
data1 = [{'image': np.zeros(1, np.uint8)}, {'image': np.zeros(2, np.uint8)},
{'image': np.zeros(3, np.uint8)}, {'image': np.zeros(4, np.uint8)},
{'image': np.zeros(5, np.uint8)}]
data2 = [{'image': np.zeros(6, np.uint8)}, {'image': np.zeros(7, np.uint8)},
{'image': np.zeros(8, np.uint8)}]
ds1 = ds.PaddedDataset(data1)
ds2 = ds.PaddedDataset(data2)
ds3 = ds1 + ds2
for i in range(numShard):
tem_list = []
testsampler = ds.DistributedSampler(num_shards=numShard, shard_id=i, shuffle=False, num_samples=None)
ds3.use_sampler(testsampler)
for item in ds3.create_dict_iterator(num_epochs=1, output_numpy=True):
tem_list.append(len(item['image']))
vertifyList1.append(tem_list)
assert vertifyList1 == result_list1
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 {} not exists".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
@pytest.fixture(name="remove_mindrecord_file")
def add_and_remove_cv_file():
"""add/remove cv file"""
paths = ["{}{}".format(CV_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(CV_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))
def test_Mindrecord_Padded(remove_mindrecord_file):
result_list = []
verify_list = [[1, 2], [3, 4], [5, 11], [6, 12], [7, 13], [8, 14], [9], [10]]
num_readers = 4
data_set = ds.MindDataset(CV_FILE_NAME + "0", ['file_name'], num_readers, shuffle=False)
data1 = [{'file_name': np.array(b'image_00011.jpg', dtype='|S15')},
{'file_name': np.array(b'image_00012.jpg', dtype='|S15')},
{'file_name': np.array(b'image_00013.jpg', dtype='|S15')},
{'file_name': np.array(b'image_00014.jpg', dtype='|S15')}]
ds1 = ds.PaddedDataset(data1)
ds2 = data_set + ds1
shard_num = 8
for i in range(shard_num):
testsampler = ds.DistributedSampler(num_shards=shard_num, shard_id=i, shuffle=False, num_samples=None)
ds2.use_sampler(testsampler)
tem_list = []
for ele in ds2.create_dict_iterator(num_epochs=1, output_numpy=True):
tem_list.append(int(ele['file_name'].tostring().decode().lstrip('image_').rstrip('.jpg')))
result_list.append(tem_list)
assert result_list == verify_list
def test_clue_padded_and_skip_with_0_samples():
"""
Test num_samples param of CLUE dataset
"""
TRAIN_FILE = '../data/dataset/testCLUE/afqmc/train.json'
data = ds.CLUEDataset(TRAIN_FILE, task='AFQMC', usage='train')
count = 0
for _ in data.create_dict_iterator(num_epochs=1, output_numpy=True):
count += 1
assert count == 3
data_copy1 = copy.deepcopy(data)
sample = {"label": np.array(1, np.string_),
"sentence1": np.array(1, np.string_),
"sentence2": np.array(1, np.string_)}
samples = [sample]
padded_ds = ds.PaddedDataset(samples)
dataset = data + padded_ds
testsampler = ds.DistributedSampler(num_shards=2, shard_id=1, shuffle=False, num_samples=None)
dataset.use_sampler(testsampler)
assert dataset.get_dataset_size() == 2
count = 0
for data in dataset.create_dict_iterator(num_epochs=1, output_numpy=True):
count += 1
assert count == 2
dataset = dataset.skip(count=2) # dataset2 has none samples
count = 0
for data in dataset.create_dict_iterator(num_epochs=1, output_numpy=True):
count += 1
assert count == 0
with pytest.raises(ValueError, match="There are no samples in the "):
dataset = dataset.concat(data_copy1)
count = 0
for data in dataset.create_dict_iterator(num_epochs=1, output_numpy=True):
count += 1
assert count == 2
def test_celeba_padded():
data = ds.CelebADataset("../data/dataset/testCelebAData/")
padded_samples = [{'image': np.zeros(1, np.uint8), 'attr': np.zeros(1, np.uint32)}]
padded_ds = ds.PaddedDataset(padded_samples)
data = data + padded_ds
dis_sampler = ds.DistributedSampler(num_shards=2, shard_id=1, shuffle=False, num_samples=None)
data.use_sampler(dis_sampler)
data = data.repeat(2)
count = 0
for _ in data.create_dict_iterator(num_epochs=1, output_numpy=True):
count = count + 1
assert count == 4
if __name__ == '__main__':
test_TFRecord_Padded()
test_GeneratorDataSet_Padded()
test_Reapeat_afterPadded()
test_bath_afterPadded()
test_Unevenly_distributed()
test_three_datasets_connected()
test_raise_error()
test_imagefolden_padded()
test_more_shard_padded()
test_Mindrecord_Padded(add_and_remove_cv_file)