diff --git a/tools/user_code_coverage.py b/tools/user_code_coverage.py
new file mode 100644
index 0000000000..1ccdc5ea0f
--- /dev/null
+++ b/tools/user_code_coverage.py
@@ -0,0 +1,36 @@
+import os
+import json
+import sys
+
+if len(sys.argv) < 3:
+ print "USAGE: " + sys.argv[0] + " [username] [htmlfile]"
+ exit()
+
+USERNAME = sys.argv[1]
+
+HTMLFILE = sys.argv[1]
+
+if __name__ == "__main__":
+ os.system('git log --pretty="%H" --author="'+USERNAME+'" | while read commit_hash; do git show --oneline --name-only $commit_hash | tail -n+2; done | sort | uniq > /tmp/wrote.files')
+ files = {}
+ for f in open('/tmp/wrote.files'):
+ f = f.strip()
+ if os.path.exists(f):
+ os.system("git blame -w "+f+" > /tmp/wrote.blame")
+ stat = {'total': 0, 'unclean': 0}
+ for line in open('/tmp/wrote.blame'):
+ stat['total'] += 1
+ if USERNAME in line:
+ stat['unclean'] += 1
+ files[f] = stat
+ html = open(HTMLFILE, 'w')
+ print >> html, ""
+ keys = files.keys()
+ keys.sort(key = lambda a: 1. * files[a]['unclean'] / max(files[a]['total'],0.01))
+ keys.sort(key = lambda a: files[a]['unclean'])
+ keys.reverse()
+ print >> html, "| Filename | dirty LOC | LOC | meter |
"
+ for k in keys:
+ v = files[k]
+ print >> html, "| %s | %s | %s | |
"%(k,v['unclean'], v['total'],v['unclean'], v['total'] )
+ print >> html, ""
\ No newline at end of file