def addAllInDir(self, path):
dirs = [path] if isinstance(path, basestring) else path
subdirs = [os.path.join(d, ls) for d in dirs for ls in os.listdir(d)]
fn.foreach(self.addDir, subdirs)
def testForeach(self):
seq = (i for i in range(5))
nseq = []
func.foreach(nseq.append, seq)
self.assertListEqual(nseq, [0, 1, 2, 3, 4])
