intial take on ceph-brag-client and tox. Python 2.7 passes

Signed-off-by: Alfredo Deza <alfredo@deza.pe>

src/test/python/.gitignore

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+*.py[co]
+
+# Packages
+*.egg
+*.egg-info
+dist
+build
+eggs
+parts
+bin
+var
+sdist
+develop-eggs
+.installed.cfg
+
+# Installer logs
+pip-log.txt
+
+# Unit test / coverage reports
+.coverage
+.tox
+
+#Translations
+*.mo
+
+#Mr Developer
+.idea
+.mr.developer.cfg

src/test/python/brag-client/.gitignore

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+ceph_brag.py

src/test/python/brag-client/setup.py

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+import os
+from setuptools import setup, find_packages
+
+# link ceph-brag client script here so we can "install" it
+current_dir = os.path.abspath(os.path.dirname(__file__))
+src_dir = os.path.dirname(os.path.dirname(os.path.dirname(current_dir)))
+script_path = os.path.join(src_dir, 'brag/client/ceph-brag')
+
+
+def link_target(source, destination):
+    if not os.path.exists(destination):
+        try:
+            os.symlink(source, destination)
+        except (IOError, OSError) as error:
+            print 'Ignoring linking of target: %s' % str(error)
+
+link_target(script_path, 'ceph_brag.py')
+
+setup(
+    name='ceph_brag',
+    version='0.1',
+    description='',
+    author='',
+    author_email='',
+    install_requires=[
+        "requests",
+    ],
+    zip_safe=False,
+    packages=find_packages(),
+    #packages=find_packages(exclude=['ez_setup'])
+)

src/test/python/brag-client/tests/test_ceph_brag.py

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+import ceph_brag
+
+# This file tests nothing (yet) except for being able to import ceph_brag
+# correctly and thus ensuring somewhat that it will work under different Python
+# versions. You must write unittests here so that code has adequate coverage.
+
+class TestCephBrag(object):
+
+    def test_basic(self):
+        assert True

src/test/python/brag-client/tox.ini

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+[tox]
+envlist = py26, py27, flake8
+skipsdist=True
+
+[testenv]
+deps=
+  pytest
+
+commands=
+  python setup.py develop
+  py.test -v
+
+[testenv:flake8]
+deps=
+  flake8
+commands=flake8 --select=F ceph_brag.py