root/trunk/RuneBlade/clean.py

from path import path

removeitems = ('*.pyc', '*.pyo', '*.swp', '*.log', '*.aux', '*.out', '*.bak')

count = 0
local = path('.')
for item in removeitems:
    for pyc in local.walk(item):
        try: 
            pyc.remove()
            count += 1
        except OSError:
            pass

print "Removed %d files" % (count,)