update version and get_version()

Author: samuelcolvin

pydf/wkhtmltopdf.py

@@ -2,7 +2,7 @@
 import subprocess
 from tempfile import NamedTemporaryFile
 
-__version__ = '0.1'
+__version__ = '0.2'
 
 
 def execute_wk(*args):
@@ -119,7 +119,12 @@ def get_version():
     :return: version string
     """
     v = 'pydf version: %s\n' % __version__
-    v += 'wkhtmltopdf version: %s' % execute_wk('-V')[0]
+    try:
+        wk_version = execute_wk('-V')[0]
+    except Exception, e:
+        # we catch all errors here to make sure we get a version no matter what
+        wk_version = 'Error: %s' % str(e)
+    v += 'wkhtmltopdf version: %s' % wk_version
     return v