[mxnet 2.0] deprecate gluon.model_zoo, image.detection

python/mxnet/gluon/model_zoo/__init__.py

@@ -17,6 +17,14 @@
 
 # coding: utf-8
 """Predefined and pretrained models."""
+import warnings
+
+# 2020-06-02, mxnet 2.0.0
+warnings.warn(("gluon.model_zoo has been deprecated and will be removed from a future release. "
+               "Please use install `gluoncv` or `gluonnlp` to retrieve the managed models "
+               "For example, you can replace existing code with "
+               "`gluoncv.model_zoo.get_model('resnet18_v1', pretrained=True)`."),
+              DeprecationWarning, stacklevel=2)
 
 from . import model_store
 

python/mxnet/image/detection.py

@@ -17,15 +17,20 @@
 
 # pylint: disable=unused-import, too-many-lines
 """Read images and perform augmentations for object detection."""
-
-
 import json
 import logging
 import random
 import warnings
-
 import numpy as np
 
+# 2020-06-02, mxnet 2.0.0
+warnings.warn(("mxnet.image.detection.* functions has been deprecated "
+               "and will be removed from a future release. "
+               "Please use gluon transform functions instead. "
+               "For example, you can replace `ImageDetIter` with "
+               "`gluon.contrib.data.vision.ImageBboxDataLoader`."),
+              DeprecationWarning, stacklevel=2)
+
 from ..base import numeric_types
 from .. import ndarray as nd
 from ..ndarray._internal import _cvcopyMakeBorder as copyMakeBorder

python/mxnet/image/image.py

@@ -1342,6 +1342,11 @@ def __init__(self, batch_size, data_shape, label_width=1,
                  shuffle=False, part_index=0, num_parts=1, aug_list=None, imglist=None,
                  data_name='data', label_name='softmax_label', dtype='float32',
                  last_batch_handle='pad', **kwargs):
+        # 2020-06-02, mxnet 2.0.0
+        warnings.warn(("mxnet.image.ImageIter has been deprecated "
+                       "and will be removed from a future release. "
+                       "Please use `gluon.contrib.data.vision.ImageDataLoader` instead. "),
+                      DeprecationWarning, stacklevel=2)
         super(ImageIter, self).__init__()
         assert path_imgrec or path_imglist or (isinstance(imglist, list))
         assert dtype in ['int32', 'float32', 'int64', 'float64'], dtype + ' label not supported'