re-add logger version output: INFO for interactive session, DEBUG for others

1 files changed, 12 insertions, 2 deletions

diff --git a/rdflib/__init__.py b/rdflib/__init__.py
index ae7de0f1..61e1eba3 100644
--- a/rdflib/__init__.py
+++ b/rdflib/__init__.py
@@ -70,20 +70,30 @@ __all__ = [
 
 import sys
 assert sys.version_info >= (2, 5, 0), "rdflib requires Python 2.5 or higher"
-del sys
 
 import logging
+_interactive_mode = False
 try:
     import __main__
-    if not hasattr(__main__, '__file__'):
+    if not hasattr(__main__, '__file__') and sys.stdout.isatty():
         # show log messages in interactive mode
+        _interactive_mode = True
         logging.basicConfig(level=logging.INFO)
+    del __main__
 except ImportError:
     #Main already imported from elsewhere
     import warnings
     warnings.warn('__main__ already imported', ImportWarning)
     del warnings
 
+logger = logging.getLogger(__name__)
+if _interactive_mode:
+    logger.info("RDFLib Version: %s" % __version__)
+else:
+    logger.debug("RDFLib Version: %s" % __version__)
+del _interactive_mode
+del sys
+
 
 try:
     unichr(0x10FFFF)