Python: add script for generating, uploading sdist

The "v" is stripped from the version number generated by `genversion.sh` as
PyPi does not accept version numbers containing letters.

The version is generated as a part of the script and written to a file
which is read by setup.py.

bindings/python/.gitignore

@@ -2,4 +2,6 @@ build
 .project
 .pydevproject
 .cproject
-*.py[co]
+*.py[co]
+MANIFEST
+VERSION_INFO

bindings/python/MANIFEST.in

@@ -1,6 +1,5 @@
 include README.rst
 include VERSION_INFO
-include genversion.sh
 recursive-include tests *
 recursive-include examples *.py
 recursive-include docs *

bindings/python/setup_pypi.py

@@ -23,10 +23,8 @@
 xrdincdir = getenv( 'XRD_INCDIR' ) or '/usr/include/xrootd'
 
 # Get package version
-topdir = path.dirname(path.dirname(getcwd()))
-p = subprocess.Popen(['./genversion.sh', '--print-only'], stdout=subprocess.PIPE, cwd=topdir)
-version, err = p.communicate()
-version = version.strip()
+with open ('VERSION_INFO') as verfile:
+    version = verfile.read().strip()
 
 print 'XRootD library dir: ', xrdlibdir
 print 'XRootD include dir: ', xrdincdir

dopy.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+# Writes the xrootd version to bindings/python/VERSION_INFO,
+# generates and uploads a source distribution for the python bindings.
+./genversion.sh --print-only | sed "s/v//" > bindings/python/VERSION_INFO
+cd bindings/python
+cp setup_pypi.py setup.py
+python setup.py sdist
+twine upload dist/*
+rm setup.py dist/*
+