ADL nskpkg 3.0.1 (#3631)

* ADL nskpkg 3.0.1

* missing sys

* Improve manifest

azure-mgmt-datalake-nspkg/MANIFEST.in

@@ -1 +1,4 @@
 include *.rst
+include azure/__init__.py
+include azure/mgmt/__init__.py
+include azure/mgmt/datalake/__init__.py

azure-mgmt-datalake-nspkg/README.rst

@@ -5,8 +5,8 @@ This is the Microsoft Azure Data Lake Management namespace package.
 
 This package is not intended to be installed directly by the end user.
 
-Since version 3.0, this is Python 2 package only, Python 3.x SDKs will use `PEP420 <https://www.python.org/dev/peps/pep-0420/>` as namespace package strategy.
-This package will use `python_requires` to enforce Python 2 installation. This implies that you might see this package on Python 3 environment if you have pip < 9.0 or setuptools < 24.2.0.
+Since version 3.0, this is Python 2 package only, Python 3.x SDKs will use `PEP420 <https://www.python.org/dev/peps/pep-0420/>`__ as namespace package strategy.
+To avoid issues with package servers that does not support `python_requires`, a Python 3 package is installed but is empty.
 
 It provides the necessary files for other packages to extend the azure.mgmt.datalake namespace.
 

azure-mgmt-datalake-nspkg/setup.py

@@ -5,7 +5,7 @@
 # Licensed under the MIT License. See License.txt in the project root for
 # license information.
 #--------------------------------------------------------------------------
-
+import sys
 from setuptools import setup
 
 # azure v0.x is not compatible with this package
@@ -23,9 +23,16 @@
 except ImportError:
     pass
 
+PACKAGES = []
+# Do an empty package on Python 3 and not python_requires, since not everybody is ready
+# https://github.com/Azure/azure-sdk-for-python/issues/3447
+# https://github.com/Azure/azure-sdk-for-python/issues/3481
+if sys.version_info[0] < 3:
+    PACKAGES = ['azure.mgmt.datalake']
+
 setup(
     name='azure-mgmt-datalake-nspkg',
-    version='3.0.0',
+    version='3.0.1',
     description='Microsoft Azure Data Lake Management Namespace Package [Internal]',
     long_description=open('README.rst', 'r').read(),
     license='MIT License',
@@ -37,13 +44,14 @@
         'Programming Language :: Python',
         'Programming Language :: Python :: 2',
         'Programming Language :: Python :: 2.7',
+        'Programming Language :: Python :: 3.4',
+        'Programming Language :: Python :: 3.5',
+        'Programming Language :: Python :: 3.6',
+        'Programming Language :: Python :: 3.7',
         'License :: OSI Approved :: MIT License',
     ],
-    python_requires='<3',
     zip_safe=False,
-    packages=[
-        'azure.mgmt.datalake',
-    ],
+    packages=PACKAGES,
     install_requires=[
         'azure-mgmt-nspkg>=3.0.0',
     ],