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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# Prints the pre-release version suffix based on the version string
#
# Examples:
# 2.1a3 > " 2.1 Alpha 3"
# 2.1a3pre > ""
# 3.2b4 > " 3.2 Beta 4"
# 3.2b4pre > ""
import re
import sys
def get_prerelease_suffix(version):
"""Returns the prerelease suffix from the version string argument"""
def mfunc(m):
return " {0} {1} {2}".format(
m.group("prefix"),
{"a": "Alpha", "b": "Beta"}[m.group("c")],
m.group("suffix"),
)
result, c = re.subn(
r"^(?P<prefix>(\d+\.)*\d+)(?P<c>[ab])(?P<suffix>\d+)$", mfunc, version
)
if c != 1:
return ""
return result
if len(sys.argv) == 2:
print(get_prerelease_suffix(sys.argv[1]))