--- a/python/repostats.py2	Sat Jan 12 12:35:02 2013 +0100
+++ b/python/repostats.py2	Sat Jan 12 12:49:27 2013 +0100
@@ -1,5 +1,9 @@
 #!/usr/bin/python2
 
+import sys
+# Use python 2 since mercurial does not support python 3 yet?
+assert sys.version_info.major == 2
+
 from mercurial import ui, hg
 import numpy
 import matplotlib.pyplot as plt
@@ -9,42 +13,25 @@
 repo = hg.repository(u, '..')
 
 stamps = []
-nds = repo.changelog.nodesbetween()
-for hexid in nds[0]:
+nds = repo.changelog.nodesbetween()[0]
+for hexid in nds:
    cset = repo.changelog.read(hexid)
    stamps.append(cset[2][0])
 
 dts = [datetime.datetime.fromtimestamp(st) for st in stamps]
-print dts
 
-stats = numpy.zeros( (7, 24) )
-
-for dt in dts:
-   d = dt.weekday()
-   h = dt.hour
-   stats[d][h] += 1
-
-print stats
-def enclose(tag, content, options=''):
-   return '<{0} {2}>\n{1}\n</{0}>'.format(tag, content, options)
-def merge(*args):
-   print(args)
-   return '\n'.join(args)
+x = [dt.weekday() for dt in dts]
+y = [dt.hour for dt in dts]
 
-head = enclose('head', enclose('title', 'repo stats'))
-
-r1 = [enclose('td', td) for td in ['','Monday','Tuesday', 'Wed', 'Thur', 'Friday', 'S', 'S']]
-r1 = enclose('tr', merge(*r1))
-
-tc = merge(r1)
-
-table = enclose('table', tc, options='border="2"')
-body = enclose('body', enclose('h1', 'repo stats') + table)
-html = enclose('html', head + body)
-
-#with open('repostats.html', 'w') as f:
-#   f.write(html)
-
-plt.scatter(stats)
+# plot it:
+f = plt.figure()
+#plt.hexbin(x, y)
+plt.scatter(x, y)
+ax = plt.gca()
+ax.set_ylim([0, 24])
+ax.set_ylabel('hour of day')
+ax.set_xlim([0, 7])
+ax.set_xlabel('day of week')
+ax.grid()
 plt.show()