TL Logging highly inspired by: https://www.tensorflow.org/api_docs/python/tf/logging (#645)

Author: DEKHTIARJonathan

CHANGELOG.md

@@ -78,6 +78,7 @@ To release a new version, please update the changelog as followed:
   - `Layer_DeformableConvolution_Test` added to reproduce issue #572 with deformable convolution (by @DEKHTIARJonathan in #573)
   - `Array_Op_Alphas_Test` and `Array_Op_Alphas_Like_Test` added to test `tensorlayer/array_ops.py` file (by @DEKHTIARJonathan in #580)
   - `test_optimizer_amsgrad.py` added to test `AMSGrad` optimizer (by @DEKHTIARJonathan in #636)
+  - `test_logging.py` added to insure robustness of the logging API (by @DEKHTIARJonathan in #645)
 - CI Tool:
   - [Stale Probot](https://github.com/probot/stale) added to clean stale issues (by @DEKHTIARJonathan in #573)
   - [Changelog Probot](https://github.com/mikz/probot-changelog) Configuration added (by @DEKHTIARJonathan in #637)
@@ -97,6 +98,7 @@ To release a new version, please update the changelog as followed:
 - RTD links point to stable documentation instead of latest used for development (by @DEKHTIARJonathan in #633)
 - TF Version older than 1.6.0 are officially unsupported and raises an exception (by @DEKHTIARJonathan in #644)
 - Readme Badges Updated with Support Python and Tensorflow Versions (by @DEKHTIARJonathan in #644)
+- TL logging API has been consistent with TF logging API and thread-safe (by @DEKHTIARJonathan in #645)
 
 ### Deprecated
 

setup.py

@@ -2,6 +2,8 @@
 import os
 import codecs
 
+os.environ['TENSORLAYER_PACKAGE_BUILDING'] = 'True'
+
 try:
     from setuptools import (
         setup,

tensorlayer/__init__.py

@@ -3,8 +3,18 @@
 """Deep learning and Reinforcement learning library for Researchers and Engineers"""
 from __future__ import absolute_import
 
-try:
-    import tensorflow
+import os
+
+if 'TENSORLAYER_PACKAGE_BUILDING' not in os.environ:
+
+    try:
+        import tensorflow
+    except Exception as e:
+        raise ImportError(
+            "Tensorflow is not installed, please install it with the one of the following commands:\n"
+            " - `pip install --upgrade tensorflow`\n"
+            " - `pip install --upgrade tensorflow-gpu`"
+        )
 
     if tensorflow.__version__ < "1.6.0":
         raise RuntimeError(
@@ -21,6 +31,7 @@
     from . import files
     from . import iterate
     from . import layers
+    from . import tl_logging as logging
     from . import models
     from . import nlp
     from . import optimizers
@@ -40,15 +51,6 @@
     global_flag = {}
     global_dict = {}
 
-except Exception as e:
-
-    import pkg_resources
-    installed_packages = [d for d in pkg_resources.working_set]
-
-    for package in installed_packages:
-        if 'tensorlayer' in package.project_name and 'site-packages' in package.location:
-            raise ImportError("__init__.py : Could not import TensorLayer.\nError: {}".format(e))
-
 # Use the following formating: (major, minor, patch, prerelease)
 VERSION = (1, 8, 5)
 __shortversion__ = '.'.join(map(str, VERSION[:3]))

tensorlayer/_logging.py

@@ -4,7 +4,7 @@
 import functools
 import warnings
 
-from . import _logging as logging
+from . import tl_logging as logging
 
 
 def deprecated_alias(end_support_version, **aliases):

tensorlayer/deprecation.py

@@ -16,7 +16,7 @@
 from six.moves import cPickle, zip
 from tensorflow.python.platform import gfile
 
-from . import _logging as logging
+from . import tl_logging as logging
 from . import nlp, utils, visualize
 
 __all__ = [

tensorlayer/files.py

@@ -7,21 +7,21 @@
 More functions can be found in `TensorFlow API <https://www.tensorflow.org/versions/master/api_docs/index.html>`__.
 """
 
-from .core import *
-from .convolution import *
 from .binary import *
-from .super_resolution import *
+from .convolution import *
+from .core import *
+from .extend import *
+from .flow_control import *
+from .importer import *
+from .merge import *
 from .normalization import *
-from .spatial_transformer import *
 from .object_detection import *
-from .time_distribution import *
-from .pooling import *
 from .padding import *
+from .pooling import *
 from .recurrent import *
 from .shape import *
-from .importer import *
-from .merge import *
-from .extend import *
-from .stack import *
+from .spatial_transformer import *
 from .special_activation import *
-from .flow_control import *
+from .stack import *
+from .super_resolution import *
+from .time_distribution import *

tensorlayer/layers/__init__.py

@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 import tensorflow as tf
 
-from .. import _logging as logging
+from .. import tl_logging as logging
 from .core import *
 
 from ..deprecation import deprecated_alias

tensorlayer/layers/binary.py

@@ -2,7 +2,7 @@
 
 import tensorflow as tf
 
-from .. import _logging as logging
+from .. import tl_logging as logging
 from .core import *
 
 from ..deprecation import deprecated_alias

tensorlayer/layers/convolution.py

@@ -8,7 +8,7 @@
 import tensorflow as tf
 from tensorflow.python.util.deprecation import deprecated
 
-from .. import _logging as logging
+from .. import tl_logging as logging
 from .. import files, iterate, utils, visualize
 
 from ..deprecation import deprecated_alias

tensorlayer/layers/core.py

@@ -2,7 +2,7 @@
 
 import tensorflow as tf
 
-from .. import _logging as logging
+from .. import tl_logging as logging
 from .core import *
 
 from ..deprecation import deprecated_alias

tensorlayer/layers/extend.py

@@ -2,7 +2,7 @@
 
 import tensorflow as tf
 
-from .. import _logging as logging
+from .. import tl_logging as logging
 from .core import *
 
 __all__ = [

tensorlayer/layers/flow_control.py

@@ -3,7 +3,7 @@
 import tensorflow as tf
 from tensorflow.python.util.deprecation import deprecated
 
-from .. import _logging as logging
+from .. import tl_logging as logging
 from .core import *
 
 from ..deprecation import deprecated_alias

tensorlayer/layers/importer.py

@@ -2,7 +2,7 @@
 
 import tensorflow as tf
 
-from .. import _logging as logging
+from .. import tl_logging as logging
 from .core import *
 
 __all__ = [

tensorlayer/layers/merge.py

@@ -2,7 +2,7 @@
 
 import tensorflow as tf
 
-from .. import _logging as logging
+from .. import tl_logging as logging
 from .core import *
 
 from ..deprecation import deprecated_alias

tensorlayer/layers/normalization.py

@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 
-from .. import _logging as logging
+from .. import tl_logging as logging
 from .core import *
 
 from ..deprecation import deprecated_alias

tensorlayer/layers/object_detection.py

@@ -2,7 +2,7 @@
 
 import tensorflow as tf
 
-from .. import _logging as logging
+from .. import tl_logging as logging
 from .core import *
 
 from ..deprecation import deprecated_alias

tensorlayer/layers/padding.py

@@ -4,7 +4,7 @@
 
 import tensorflow as tf
 
-from .. import _logging as logging
+from .. import tl_logging as logging
 from .core import *
 
 from ..deprecation import deprecated_alias

tensorlayer/layers/pooling.py

@@ -5,7 +5,7 @@
 import tensorflow as tf
 from tensorflow.python.util.tf_inspect import getfullargspec
 
-from .. import _logging as logging
+from .. import tl_logging as logging
 from .core import *
 
 from ..deprecation import deprecated_alias

tensorlayer/layers/recurrent.py

@@ -2,7 +2,7 @@
 
 import tensorflow as tf
 
-from .. import _logging as logging
+from .. import tl_logging as logging
 from .core import *
 
 from ..deprecation import deprecated_alias

tensorlayer/layers/shape.py

@@ -4,7 +4,7 @@
 import tensorflow as tf
 from six.moves import xrange
 
-from .. import _logging as logging
+from .. import tl_logging as logging
 from .core import *
 
 from ..deprecation import deprecated_alias

tensorlayer/layers/spatial_transformer.py

@@ -2,7 +2,7 @@
 
 import tensorflow as tf
 
-from .. import _logging as logging
+from .. import tl_logging as logging
 from .core import *
 
 from ..deprecation import deprecated_alias

tensorlayer/layers/special_activation.py

@@ -2,7 +2,7 @@
 
 import tensorflow as tf
 
-from .. import _logging as logging
+from .. import tl_logging as logging
 from .core import *
 
 from ..deprecation import deprecated_alias

tensorlayer/layers/stack.py

@@ -2,7 +2,7 @@
 
 import tensorflow as tf
 
-from .. import _logging as logging
+from .. import tl_logging as logging
 from .core import *
 
 from ..deprecation import deprecated_alias

tensorlayer/layers/super_resolution.py

@@ -2,7 +2,7 @@
 
 import tensorflow as tf
 
-from .. import _logging as logging
+from .. import tl_logging as logging
 from .core import *
 
 from ..deprecation import deprecated_alias

tensorlayer/layers/time_distribution.py

@@ -6,7 +6,7 @@
 import os
 # import numpy as np
 import tensorflow as tf
-from .. import _logging as logging
+from .. import tl_logging as logging
 from ..layers import (
     Layer, BatchNormLayer, Conv2d, DepthwiseConv2d, FlattenLayer, GlobalMeanPool2d, InputLayer, ReshapeLayer
 )

tensorlayer/models/mobilenetv1.py

@@ -6,7 +6,7 @@
 import os
 # import numpy as np
 import tensorflow as tf
-from .. import _logging as logging
+from .. import tl_logging as logging
 from ..layers import (Layer, Conv2d, InputLayer, MaxPool2d, ConcatLayer, DropoutLayer, GlobalMeanPool2d)
 from ..files import maybe_download_and_extract, assign_params, load_npz
 

tensorlayer/models/squeezenetv1.py

@@ -27,7 +27,7 @@
 import os
 import numpy as np
 import tensorflow as tf
-from .. import _logging as logging
+from .. import tl_logging as logging
 from ..layers import (Conv2d, Conv2dLayer, DenseLayer, FlattenLayer, InputLayer, MaxPool2d, PoolLayer)
 from ..files import maybe_download_and_extract, assign_params
 

tensorlayer/models/vgg16.py

@@ -13,7 +13,7 @@
 from six.moves import urllib, xrange
 from tensorflow.python.platform import gfile
 
-from . import _logging as logging
+from . import tl_logging as logging
 
 __all__ = [
     'generate_skip_gram_batch',