| major = 15 | |
| hotfix = 0 | |
| hotfix_str = chr(ord('a') + hotfix) if hotfix else '' | |
| beta = 0 | |
| beta_str = '-beta{}'.format(beta) if beta > 0 else '' | |
| canary = True | |
| canary_str = '-canary' if canary else '' | |
| release = 'r{}{}{}{}'.format(major, hotfix_str, beta_str, canary_str) |