In tesseract_viewer_python setup.py parse package.xml for version instead of using cmake configure file (#40)

Author: johnwason

tesseract_viewer_python/CMakeLists.txt

@@ -31,8 +31,6 @@ STRING (REGEX REPLACE "<version>([0-9]+\\.[0-9]+\\.[0-9]+)</version>" "\\1" tess
 STRING (STRIP ${tesseract_viewer_python_version2} tesseract_viewer_python_version)
 MESSAGE(STATUS "tesseract_viewer_python version: ${tesseract_viewer_python_version}")
 
-configure_file("${CMAKE_CURRENT_SOURCE_DIR}/cmake/setup.py.in" "${CMAKE_CURRENT_BINARY_DIR}/python/setup.py" @ONLY)
-
 if(NOT TESSERACT_PYTHON_BUILD_WHEEL)
 
 set(enable_setuptools_deb_layout OFF)

tesseract_viewer_python/package.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <package format="3">
   <name>tesseract_viewer_python</name>
-  <version>0.2.2</version>
+  <version>0.2.3</version>
   <description>The tesseract_viewer_python package</description>
   <maintainer email="wason@wasontech.com">John Wason</maintainer>
   <license>Apache 2.0</license>

tesseract_viewer_python/cmake/setup.py.in renamed to tesseract_viewer_python/setup.py

@@ -1,9 +1,16 @@
 # Based on https://github.com/robotraconteur/robotraconteur/blob/master/RobotRaconteurPython/setup.py.in
 
 from setuptools import setup, Distribution
+import os
+from xml.etree import ElementTree as ET
+
+tree = ET.parse(os.path.join(os.path.dirname(__file__), 'package.xml'))
+root = tree.getroot()
+version = root.find('version').text
+
 
 setup(name='tesseract-robotics-viewer',
-      version='@tesseract_viewer_python_version@',
+      version=version,
       description='Tesseract Viewer Python Library',
       author='John Wason',
       author_email='wason@wasontech.com',