add license and "-t" argument

Author: hjacobs

LICENSE

@@ -0,0 +1,13 @@
+Copyright 2014 Zalando SE
+
+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.

MANIFEST.in

@@ -0,0 +1,5 @@
+include *.txt
+include *.rst
+include LICENSE
+recursive-include pequod_agent *.py
+recursive-include docs *.rst *.py

nsenter/__init__.py

@@ -48,7 +48,7 @@ def __exit__(self, type, value, tb):
 
 def main():
     parser = argparse.ArgumentParser(description=__doc__)
-    parser.add_argument('--target', required=True, metavar='PID', help='Specify a target process to get contexts from.')
+    parser.add_argument('--target', '-t', required=True, metavar='PID', help='Specify a target process to get contexts from.')
     for ns in NAMESPACE_NAMES:
         parser.add_argument('--{}'.format(ns), action='store_true', help='Enter the {} namespace'.format(ns))
     parser.add_argument('--all', action='store_true', help='Enter all namespaces')

setup.py

@@ -12,12 +12,14 @@ def read(fname):
 def setup_package():
     setuptools.setup(
         name='nsenter',
-        version='0.1.3',
+        version='0.1.4',
         url='https://github.com/zalando/python-nsenter',
         description='Enter kernel namespaces from Python',
         author='Henning Jacobs',
         author_email='[email protected]',
         long_description=read('README.rst'),
+        license='Apache License 2.0',
+        keywords='docker container namespace kernel setns',
         classifiers=[
             'Development Status :: 4 - Beta',
             'Programming Language :: Python',