Merge pull request #17 from sot/Ska.ftp

Implementation of setuptools_scm usage as described in sot/skare3/issues/240

.git_archival.txt

@@ -0,0 +1 @@
+ref-names: $Format:%D$

.gitattributes

@@ -0,0 +1 @@
+.git_archival.txt  export-subst

Ska/ftp/__init__.py

@@ -1,7 +1,9 @@
 # Licensed under a 3-clause BSD style license - see LICENSE.rst
+import ska_helpers
+
 from .ftp import *
 
-__version__ = '3.5.1'
+__version__ = ska_helpers.get_version(__package__)
 
 
 def test(*args, **kwargs):

setup.py

@@ -1,8 +1,6 @@
 # Licensed under a 3-clause BSD style license - see LICENSE.rst
 from setuptools import setup
 
-from Ska.ftp import __version__
-
 try:
     from testr.setup_helper import cmdclass
 except ImportError:
@@ -13,7 +11,8 @@
       description='Light wrapper around Python ftplib and paramiko.SFTPClient',
       author_email='taldcroft@cfa.harvard.edu',
       url='http://cxc.harvard.edu/mta/ASPECT/tool_doc/pydocs/Ska.ftp.html',
-      version=__version__,
+      use_scm_version=True,
+      setup_requires=['setuptools_scm', 'setuptools_scm_git_archive'],
       zip_safe=False,
       packages=['Ska', 'Ska.ftp', 'Ska.ftp.tests'],
       package_data={'Ska.ftp.tests': ['netrc']},