Include python implementation, version and build in parsing stats.

apachedex/__init__.py

@@ -37,6 +37,7 @@ import gzip
 import json
 import math
 import os
+import platform
 import re
 import sys
 import time
@@ -632,8 +633,15 @@ def main():
     end_stat_time = time.time()
     if args.stats:
       out.write('<h1>Parsing stats</h1><table class="stats">')
+      buildno, builddate = platform.python_build()
       for caption, value in (
             ('Execution date', datetime.now().isoformat()),
+            ('Interpreter', '%s %s build %s (%s)' % (
+              platform.python_implementation(),
+              platform.python_version(),
+              buildno,
+              builddate,
+            )),
             ('File count', file_count),
             ('Lines', all_lines),
             ('... malformed', malformed_lines),