b = s.find("beta")
if b != -1:
self.beta = int(s[b+4:])
+ s = s[0:b]
p = s.split('.')
self.major = int(p[0])
self.pre = False
self.beta = None
+ def to_pre(self):
+ self.pre = True
+ self.beta = None
+
def bump_and_to_pre(self):
self.bump()
self.pre = True