def salt():
s = ''
v = long(hexlify(urandom(4)), 16)
itoa64 = './0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'
for i in range(8):
s += itoa64[v & 0x3f]; v >>= 6
return s
def _gen_token(self):
return base64.urlsafe_b64encode(urandom(6))
