add a test to check python version

README.rst

@@ -76,6 +76,8 @@ Started in 2013/08.
 Versions
 --------
 
+* **0.9 - 2014/??/??**
+    * **add:** Python version is now checked, ImportError is raised if it used on Python 2
 * **0.8 - 2014/10/24**
     * **add:** add method :meth:`copy_to <pyensae.sql.database_main.Database.copy_to>` to copy every table from a database to another one
     * **fix:** class :class:`Database <pyensae.sql.database_main.Database>` can now handle in memory database

setup.py

@@ -47,7 +47,7 @@
     subversion = 1   
 
 project_var_name    = "pyensae"
-sversion            = "0.8"
+sversion            = "0.9"
 versionPython       = "%s.%s" % (sys.version_info.major, sys.version_info.minor)
 path                = "Lib/site-packages/" + project_var_name
 readme              = 'README.rst'

src/pyensae/__init__.py

@@ -4,7 +4,11 @@
 @brief Main file
 """
 
-__version__ = "0.8"
+import sys
+if sys.version_info[0] < 3 :
+    raise ImportError("pyensae only works with Python 3")
+
+__version__ = "0.9"
 __author__ = "Xavier Dupré"
 __github__ = "https://github.com/sdpython/pyensae"
 __url__ = "http://www.xavierdupre.fr/app/pyensae/helpsphinx/index.html"