better script using python

diff --git a/git_review_stats.py b/git_review_stats.py
new file mode 100755 (executable)
index 0000000..21a5ae7
--- /dev/null
+++ b/git_review_stats.py
@@ -0,0 +1,51 @@
+#!/usr/bin/env python
+
+import git
+
+from optparse import OptionParser
+parser = OptionParser("git_review_stats.py [options]")
+parser.add_option("-n", "--num-months",  dest="n", default=1, type='int', help="number of months")
+(opts, args) = parser.parse_args()
+
+repo = git.Repo()
+
+commits = repo.commits_since(since='%u months ago' % opts.n)
+
+stats = {}
+
+class counts(object):
+    def __init__(self, name):
+        self.name = name
+        self.commit_count = 0
+        self.reviewed_count = 0
+
+    def review_pct(self):
+        if self.commit_count == 0:
+            return 0.0
+        return (100.0*self.reviewed_count)/self.commit_count
+
+for c in commits:
+    author = str(c.author)
+    committer = str(c.committer)
+    
+    if not author in stats:
+        stats[author] = counts(author)
+
+    reviewed = False
+    for review_tag in ['Review', 'Signed-Off', 'Pair-Program']:
+        if c.message.find(review_tag) != -1:
+            reviewed = True
+    if author != committer:
+            reviewed = True
+
+    stats[author].commit_count += 1
+    if reviewed:
+        stats[author].reviewed_count += 1
+
+
+keys = stats.keys()
+keys = sorted(keys, key=lambda author: -stats[author].review_pct())
+for author in keys:
+    s = stats[author]
+    print("%4.1f %4u %4u %s" % (s.review_pct(), s.reviewed_count, s.commit_count, s.name))
+