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magicwindyyd
mindspore
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8f16cff1
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mindspore
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8f16cff1
编写于
6月 09, 2020
作者:
Y
yanghaitao
浏览文件
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浏览文件
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电子邮件补丁
差异文件
add para check for sampler
上级
a6a9f884
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
25 addition
and
1 deletion
+25
-1
mindspore/dataset/engine/samplers.py
mindspore/dataset/engine/samplers.py
+25
-0
tests/ut/python/dataset/test_sampler.py
tests/ut/python/dataset/test_sampler.py
+0
-1
未找到文件。
mindspore/dataset/engine/samplers.py
浏览文件 @
8f16cff1
...
...
@@ -218,6 +218,11 @@ class DistributedSampler(BuiltinSampler):
if
not
isinstance
(
shuffle
,
bool
):
raise
ValueError
(
"shuffle should be a boolean value, but got shuffle={}"
.
format
(
shuffle
))
if
num_samples
is
not
None
:
if
num_samples
<=
0
:
raise
ValueError
(
"num_samples should be a positive integer "
"value, but got num_samples={}"
.
format
(
num_samples
))
self
.
num_shards
=
num_shards
self
.
shard_id
=
shard_id
self
.
shuffle
=
shuffle
...
...
@@ -282,6 +287,11 @@ class PKSampler(BuiltinSampler):
if
not
isinstance
(
shuffle
,
bool
):
raise
ValueError
(
"shuffle should be a boolean value, but got shuffle={}"
.
format
(
shuffle
))
if
num_samples
is
not
None
:
if
num_samples
<=
0
:
raise
ValueError
(
"num_samples should be a positive integer "
"value, but got num_samples={}"
.
format
(
num_samples
))
self
.
num_val
=
num_val
self
.
shuffle
=
shuffle
self
.
class_column
=
class_column
# work for minddataset
...
...
@@ -385,6 +395,16 @@ class SequentialSampler(BuiltinSampler):
"""
def
__init__
(
self
,
start_index
=
None
,
num_samples
=
None
):
if
num_samples
is
not
None
:
if
num_samples
<=
0
:
raise
ValueError
(
"num_samples should be a positive integer "
"value, but got num_samples={}"
.
format
(
num_samples
))
if
start_index
is
not
None
:
if
start_index
<
0
:
raise
ValueError
(
"start_index should be a positive integer "
"value or 0, but got start_index={}"
.
format
(
start_index
))
self
.
start_index
=
start_index
super
().
__init__
(
num_samples
)
...
...
@@ -430,6 +450,11 @@ class SubsetRandomSampler(BuiltinSampler):
"""
def
__init__
(
self
,
indices
,
num_samples
=
None
):
if
num_samples
is
not
None
:
if
num_samples
<=
0
:
raise
ValueError
(
"num_samples should be a positive integer "
"value, but got num_samples={}"
.
format
(
num_samples
))
if
not
isinstance
(
indices
,
list
):
indices
=
[
indices
]
...
...
tests/ut/python/dataset/test_sampler.py
浏览文件 @
8f16cff1
...
...
@@ -43,7 +43,6 @@ def test_sequential_sampler(print_res=False):
assert
test_config
(
num_samples
=
3
,
num_repeats
=
None
)
==
[
0
,
1
,
2
]
assert
test_config
(
num_samples
=
None
,
num_repeats
=
2
)
==
[
0
,
1
,
2
,
3
,
4
]
*
2
assert
test_config
(
num_samples
=
0
,
num_repeats
=
2
)
==
[
0
,
1
,
2
,
3
,
4
]
*
2
assert
test_config
(
num_samples
=
4
,
num_repeats
=
2
)
==
[
0
,
1
,
2
,
3
]
*
2
...
...
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