modify config api

mindspore/dataset/__init__.py

@@ -18,7 +18,7 @@ datasets in special format, including mindrecord, tfrecord, manifest. Users
 can also create samplers with this module to sample data.
 """
 
-from .core.configuration import config
+from .core import config
 from .engine.datasets import TFRecordDataset, ImageFolderDatasetV2, MnistDataset, MindDataset, NumpySlicesDataset, \
     GeneratorDataset, ManifestDataset, Cifar10Dataset, Cifar100Dataset, VOCDataset, CocoDataset, CelebADataset,\
     TextFileDataset, CLUEDataset, Schema, Shuffle, zip, RandomDataset

mindspore/dataset/core/config.py

+# Copyright 2019 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.
+# ==============================================================================
+"""
+The configuration manager.
+"""
+import random
+import numpy
+import mindspore._c_dataengine as cde
+
+__all__ = ['set_seed', 'get_seed', 'set_prefetch_size', 'get_prefetch_size', 'set_num_parallel_workers',
+           'get_num_parallel_workers', 'set_monitor_sampling_interval', 'get_monitor_sampling_interval', 'load']
+
+INT32_MAX = 2147483647
+UINT32_MAX = 4294967295
+
+_config = cde.GlobalContext.config_manager()
+
+
+def set_seed(seed):
+    """
+    Set the seed to be used in any random generator. This is used to produce deterministic results.
+
+    Note:
+        This set_seed function sets the seed in the python random library and numpy.random library
+        for deterministic python augmentations using randomness. This set_seed function should
+        be called with every iterator created to reset the random seed. In our pipeline this
+        does not guarantee deterministic results with num_parallel_workers > 1.
+
+    Args:
+        seed(int): seed to be set.
+
+    Raises:
+        ValueError: If seed is invalid (< 0 or > MAX_UINT_32).
+
+    Examples:
+        >>> import mindspore.dataset as ds
+        >>> # sets the new seed value, now operators with a random seed will use new seed value.
+        >>> ds.config.set_seed(1000)
+    """
+    if seed < 0 or seed > UINT32_MAX:
+        raise ValueError("Seed given is not within the required range.")
+    _config.set_seed(seed)
+    random.seed(seed)
+    # numpy.random isn't thread safe
+    numpy.random.seed(seed)
+
+
+def get_seed():
+    """
+    Get the seed.
+
+    Returns:
+        Int, seed.
+    """
+    return _config.get_seed()
+
+
+def set_prefetch_size(size):
+    """
+    Set the number of rows to be prefetched.
+
+    Args:
+        size (int): total number of rows to be prefetched.
+
+    Raises:
+        ValueError: If prefetch_size is invalid (<= 0 or > MAX_INT_32).
+
+    Examples:
+        >>> import mindspore.dataset as ds
+        >>> # sets the new prefetch value.
+        >>> ds.config.set_prefetch_size(1000)
+    """
+    if size <= 0 or size > INT32_MAX:
+        raise ValueError("Prefetch size given is not within the required range.")
+    _config.set_op_connector_size(size)
+
+
+def get_prefetch_size():
+    """
+    Get the prefetch size in number of rows.
+
+    Returns:
+        Size, total number of rows to be prefetched.
+    """
+    return _config.get_op_connector_size()
+
+
+def set_num_parallel_workers(num):
+    """
+    Set the default number of parallel workers.
+
+    Args:
+        num (int): number of parallel workers to be used as a default for each operation.
+
+    Raises:
+        ValueError: If num_parallel_workers is invalid (<= 0 or > MAX_INT_32).
+
+    Examples:
+        >>> import mindspore.dataset as ds
+        >>> # sets the new parallel_workers value, now parallel dataset operators will run with 8 workers.
+        >>> ds.config.set_num_parallel_workers(8)
+    """
+    if num <= 0 or num > INT32_MAX:
+        raise ValueError("Num workers given is not within the required range.")
+    _config.set_num_parallel_workers(num)
+
+
+def get_num_parallel_workers():
+    """
+    Get the default number of parallel workers.
+
+    Returns:
+        Int, number of parallel workers to be used as a default for each operation
+    """
+    return _config.get_num_parallel_workers()
+
+
+def set_monitor_sampling_interval(interval):
+    """
+    Set the default interval(ms) of monitor sampling.
+
+    Args:
+        interval (int): interval(ms) to be used to performance monitor sampling.
+
+    Raises:
+        ValueError: If interval is invalid (<= 0 or > MAX_INT_32).
+
+    Examples:
+        >>> import mindspore.dataset as ds
+        >>> # sets the new interval value.
+        >>> ds.config.set_monitor_sampling_interval(100)
+    """
+    if interval <= 0 or interval > INT32_MAX:
+        raise ValueError("Interval given is not within the required range.")
+    _config.set_monitor_sampling_interval(interval)
+
+
+def get_monitor_sampling_interval():
+    """
+    Get the default interval of performance monitor sampling.
+
+    Returns:
+        Interval: interval(ms) of performance monitor sampling.
+    """
+    return _config.get_monitor_sampling_interval()
+
+
+def __str__():
+    """
+    String representation of the configurations.
+
+    Returns:
+        Str, configurations.
+    """
+    return str(_config)
+
+
+def load(file):
+    """
+    Load configuration from a file.
+
+    Args:
+        file (str): path the config file to be loaded.
+
+    Raises:
+        RuntimeError: If file is invalid and parsing fails.
+
+    Examples:
+        >>> import mindspore.dataset as ds
+        >>> # sets the default value according to values in configuration file.
+        >>> ds.config.load("path/to/config/file")
+        >>> # example config file:
+        >>> # {
+        >>> #     "logFilePath": "/tmp",
+        >>> #     "rowsPerBuffer": 32,
+        >>> #     "numParallelWorkers": 4,
+        >>> #     "workerConnectorSize": 16,
+        >>> #     "opConnectorSize": 16,
+        >>> #     "seed": 5489,
+        >>> #     "monitorSamplingInterval": 30
+        >>> # }
+    """
+    _config.load(file)

mindspore/dataset/core/configuration.py

-# Copyright 2019 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.
-# ==============================================================================
-"""
-The configuration manager.
-"""
-import random
-import numpy
-import mindspore._c_dataengine as cde
-
-INT32_MAX = 2147483647
-UINT32_MAX = 4294967295
-
-
-class ConfigurationManager:
-    """The configuration manager"""
-
-    def __init__(self):
-        self.config = cde.GlobalContext.config_manager()
-
-    def set_seed(self, seed):
-        """
-        Set the seed to be used in any random generator. This is used to produce deterministic results.
-
-        Note:
-            This set_seed function sets the seed in the python random library and numpy.random library
-            for deterministic python augmentations using randomness. This set_seed function should
-            be called with every iterator created to reset the random seed. In our pipeline this
-            does not guarantee deterministic results with num_parallel_workers > 1.
-
-        Args:
-            seed(int): seed to be set
-
-        Raises:
-            ValueError: If seed is invalid (< 0 or > MAX_UINT_32).
-
-        Examples:
-            >>> import mindspore.dataset as ds
-            >>> con = ds.engine.ConfigurationManager()
-            >>> # sets the new seed value, now operators with a random seed will use new seed value.
-            >>> con.set_seed(1000)
-        """
-        if seed < 0 or seed > UINT32_MAX:
-            raise ValueError("Seed given is not within the required range")
-        self.config.set_seed(seed)
-        random.seed(seed)
-        # numpy.random isn't thread safe
-        numpy.random.seed(seed)
-
-    def get_seed(self):
-        """
-        Get the seed
-
-        Returns:
-            Int, seed.
-        """
-        return self.config.get_seed()
-
-    def set_prefetch_size(self, size):
-        """
-        Set the number of rows to be prefetched.
-
-        Args:
-            size: total number of rows to be prefetched.
-
-        Raises:
-            ValueError: If prefetch_size is invalid (<= 0 or > MAX_INT_32).
-
-        Examples:
-            >>> import mindspore.dataset as ds
-            >>> con = ds.engine.ConfigurationManager()
-            >>> # sets the new prefetch value.
-            >>> con.set_prefetch_size(1000)
-        """
-        if size <= 0 or size > INT32_MAX:
-            raise ValueError("Prefetch size given is not within the required range")
-        self.config.set_op_connector_size(size)
-
-    def get_prefetch_size(self):
-        """
-        Get the prefetch size in number of rows.
-
-        Returns:
-            Size, total number of rows to be prefetched.
-        """
-        return self.config.get_op_connector_size()
-
-    def set_num_parallel_workers(self, num):
-        """
-        Set the default number of parallel workers
-
-        Args:
-            num: number of parallel workers to be used as a default for each operation
-
-        Raises:
-            ValueError: If num_parallel_workers is invalid (<= 0 or > MAX_INT_32).
-
-        Examples:
-            >>> import mindspore.dataset as ds
-            >>> con = ds.engine.ConfigurationManager()
-            >>> # sets the new parallel_workers value, now parallel dataset operators will run with 8 workers.
-            >>> con.set_num_parallel_workers(8)
-        """
-        if num <= 0 or num > INT32_MAX:
-            raise ValueError("Num workers given is not within the required range")
-        self.config.set_num_parallel_workers(num)
-
-    def get_num_parallel_workers(self):
-        """
-        Get the default number of parallel workers.
-
-        Returns:
-            Int, number of parallel workers to be used as a default for each operation
-        """
-        return self.config.get_num_parallel_workers()
-
-    def set_monitor_sampling_interval(self, interval):
-        """
-        Set the default interval(ms) of monitor sampling.
-
-        Args:
-            interval: interval(ms) to be used to performance monitor sampling.
-
-        Raises:
-            ValueError: If interval is invalid (<= 0 or > MAX_INT_32).
-
-        Examples:
-            >>> import mindspore.dataset as ds
-            >>> con = ds.engine.ConfigurationManager()
-            >>> # sets the new interval value.
-            >>> con.set_monitor_sampling_interval(100)
-        """
-        if interval <= 0 or interval > INT32_MAX:
-            raise ValueError("Interval given is not within the required range")
-        self.config.set_monitor_sampling_interval(interval)
-
-    def get_monitor_sampling_interval(self):
-        """
-        Get the default interval of performance monitor sampling.
-
-        Returns:
-            Interval: interval(ms) of performance monitor sampling.
-        """
-        return self.config.get_monitor_sampling_interval()
-
-    def __str__(self):
-        """
-        String representation of the configurations.
-
-        Returns:
-            Str, configurations.
-        """
-        return str(self.config)
-
-    def load(self, file):
-        """
-        Load configuration from a file.
-
-        Args:
-            file: path the config file to be loaded
-
-        Raises:
-            RuntimeError: If file is invalid and parsing fails.
-
-        Examples:
-            >>> import mindspore.dataset as ds
-            >>> con = ds.engine.ConfigurationManager()
-            >>> # sets the default value according to values in configuration file.
-            >>> con.load("path/to/config/file")
-            >>> # example config file:
-            >>> # {
-            >>> #     "logFilePath": "/tmp",
-            >>> #     "rowsPerBuffer": 32,
-            >>> #     "numParallelWorkers": 4,
-            >>> #     "workerConnectorSize": 16,
-            >>> #     "opConnectorSize": 16,
-            >>> #     "seed": 5489,
-            >>> #     "monitorSamplingInterval": 30
-            >>> # }
-        """
-        self.config.load(file)
-
-
-config = ConfigurationManager()

mindspore/dataset/engine/__init__.py

@@ -26,10 +26,9 @@ from .datasets import *
 from .iterators import *
 from .serializer_deserializer import serialize, deserialize, show, compare
 from .samplers import *
-from ..core.configuration import config, ConfigurationManager
+from ..core import config
 
-__all__ = ["config", "ConfigurationManager", "zip",
-           "ImageFolderDatasetV2", "MnistDataset",
+__all__ = ["config", "zip", "ImageFolderDatasetV2", "MnistDataset",
            "MindDataset", "GeneratorDataset", "TFRecordDataset", "CLUEDataset",
            "ManifestDataset", "Cifar10Dataset", "Cifar100Dataset", "CelebADataset",
            "VOCDataset", "CocoDataset", "TextFileDataset", "Schema", "DistributedSampler",

mindspore/dataset/engine/serializer_deserializer.py

@@ -22,7 +22,7 @@ import sys
 from mindspore import log as logger
 from . import datasets as de
 from ..transforms.vision.utils import Inter, Border
-from ..core.configuration import config
+from ..core import config
 
 def serialize(dataset, json_filepath=None):
     """