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from __future__ import print_function
import subprocess, os, datetime, re, os.path, sys, unittest
def gitDescribeToVersion(tag, tagPrefix):
m = re.match(r'^' + tagPrefix + r'-(.+?)(?:-(.+?)-(.+?))?$', tag)
if not m:
return None
result = m.group(1)
if m.group(2):
result += "-dev" + m.group(2)
return result
def getGitBuildVersion(root, tagPrefix) :
tag = git("describe --tags --match \"" + tagPrefix + "-*\"", root)
if tag:
return gitDescribeToVersion(tag, tagPrefix)
return None
def git(cmd, root):
full_cmd = "git " + cmd
# Would've used with .. as p, but that's not supported by Python 2.7
p = subprocess.Popen(full_cmd, cwd=root, shell=True, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE, close_fds=(os.name != "nt"))
gitVersion = p.stdout.read()
try:
p.stdin.close()
p.stdout.close()
p.stderr.close()
except:
pass
if p.wait() == 0:
return bytes(gitVersion).decode('utf-8')
return None
def getBuildVersion(root, project) :
versionFilename = os.path.join(root, "VERSION." + project)
if os.path.isfile(versionFilename) :
f = open(versionFilename)
version = f.read().strip()
f.close()
return version
gitVersion = getGitBuildVersion(root, project)
if gitVersion :
return gitVersion
return datetime.date.today().strftime("%Y%m%d")
# The following conversion allows us to use version tags the format:
# major.0
# major.0.(0 to 9)
#
# Either from above followed by:
# alpha(0 to 4)
# beta(0 to 6)
# rc(1 to 11)
#
# Followed by an optional -dev(1-65535) for off tag builds.
def convertToWindowsVersion(version):
match = re.match(r"(?P<major>\d+)\.(?P<minor>\d+)\.?(?P<patch>\d+)?(?:(?P<stage>rc|beta|alpha)(?P<stage_number>\d+)?)?(?:-dev(?P<dev>\d+))?", version)
assert(match)
major, minor, patch = (0, 0, 0)
groups = match.groupdict()
assert(groups['major'])
major = int(groups['major'])
if groups['minor']:
assert(int(groups['minor']) == 0)
if groups['patch']:
assert(0 <= int(groups['patch']) <= 9)
minor = int(groups['patch']) * 25
stage = groups["stage"]
if stage:
stageNumber = groups['stage_number']
if not stageNumber or stageNumber == "":
stageNumber = 0
else:
stageNumber = int(stageNumber)
if stage == "alpha":
assert(0 <= stageNumber <= 4)
minor = 1 + stageNumber
elif stage == "beta":
assert(0 <= stageNumber <= 6)
minor = 6 + stageNumber
elif stage == "rc":
assert(1 <= stageNumber <= 11)
minor = 12 + stageNumber
else:
assert(False)
else:
minor = minor + 24
if groups['dev']:
patch = 1 + int(groups['dev'])
# The following constraints are set by Windows Installer framework
assert(0 <= major <= 255)
assert(0 <= minor <= 255)
assert(0 <= patch <= 65535)
return (major, minor, patch)
# Test Windows version mapping scheme
class TestCases(unittest.TestCase):
def testWindowsVersionsAreDescending(self):
versionStringsWithOldVersions = [
("5.0rc11", None),
("5.0rc1", None),
("5.0beta6", None),
("5.0alpha4", None),
("5.0alpha2", None),
("5.0alpha", None),
("4.0.9", None),
("4.0.1", None),
("4.0", (4, 0, 60000)),
("4.0rc6", (4, 0, 60000)),
("4.0rc5", (4, 0, 50000)),
("4.0rc4", (4, 0, 40000)),
("4.0rc3", (4, 0, 30000)),
('4.0rc2-dev39', (4, 0, 20039)),
('4.0rc2-dev34', (4, 0, 20034)),
('4.0rc2-dev33', (4, 0, 20033)),
('4.0rc2-dev31', (4, 0, 20031)),
('4.0rc2-dev30', (4, 0, 20030)),
('4.0rc2-dev29', (4, 0, 20029)),
('4.0rc2-dev27', (4, 0, 20027)),
('4.0rc2', (4, 0, 20000)),
('4.0rc1', (4, 0, 10000)),
('4.0beta2-dev203', (4, 0, 2203)),
('4.0beta2-dev195', (4, 0, 2195)),
('4.0beta2-dev177', (4, 0, 2177)),
('4.0beta2-dev171', (4, 0, 2171)),
('4.0beta2-dev154', (4, 0, 2154)),
('4.0beta2-dev150', (4, 0, 2150)),
('4.0beta2-dev142', (4, 0, 2142)),
('4.0beta2-dev140', (4, 0, 2140)),
('4.0beta2-dev133', (4, 0, 2133)),
('4.0beta2-dev118', (4, 0, 2118)),
('4.0beta2-dev112', (4, 0, 2112)),
('4.0beta2-dev93', (4, 0, 2093)),
('4.0beta2-dev80', (4, 0, 2080)),
('4.0beta2-dev72', (4, 0, 2072)),
('4.0beta2-dev57', (4, 0, 2057)),
('4.0beta2-dev44', (4, 0, 2044)),
('4.0beta2-dev38', (4, 0, 2038)),
('4.0beta2-dev29', (4, 0, 2029)),
('4.0beta2-dev15', (4, 0, 2015)),
('4.0beta2', (4, 0, 2000)),
('4.0beta1', (4, 0, 1000)),
('4.0alpha-dev80', (4, 0, 80)),
('4.0alpha-dev50', (4, 0, 50)),
('4.0alpha-dev43', (4, 0, 43)),
('4.0alpha-dev21', (4, 0, 21)),
('3.0', (3, 0, 60000)),
('3.0rc3', (3, 0, 30000)),
('3.0rc2', (3, 0, 20000)),
('3.0rc1', (3, 0, 10000)),
('3.0beta2-dev124', (3, 0, 2124)),
('3.0beta2-dev81', (3, 0, 2081)),
('3.0beta2-dev50', (3, 0, 2050)),
('3.0beta2-dev44', (3, 0, 2044)),
('3.0beta2-dev40', (3, 0, 2040)),
('3.0beta2-dev26', (3, 0, 2026)),
('3.0beta2', (3, 0, 2000)),
('3.0beta1', (3, 0, 1000)),
('3.0alpha-dev529', (3, 0, 529)),
('3.0alpha-dev528', (3, 0, 528)),
('3.0alpha-dev526', (3, 0, 526)),
('3.0alpha-dev524', (3, 0, 524)),
('3.0alpha-dev515', (3, 0, 515)),
]
prevParsed = None
prevOldVersion = None
for string, oldVersion in versionStringsWithOldVersions:
parsed = convertToWindowsVersion(string)
if prevOldVersion and oldVersion:
self.assertTrue(oldVersion <= prevOldVersion, "Old version %r must come before %r" % (oldVersion, prevOldVersion))
if prevParsed:
self.assertTrue(parsed < prevParsed, "%s => %r must be smaller than %s => %r" % (string, parsed, prevString, prevParsed))
prevString = string
prevParsed = parsed
prevOldVersion = oldVersion
def testThatBetaIsHigherThanAlpha(self):
self.assertTrue(convertToWindowsVersion("3.0beta0") > convertToWindowsVersion("3.0alpha0"))
self.assertTrue(convertToWindowsVersion("3.0beta6") > convertToWindowsVersion("3.0alpha1"))
self.assertTrue(convertToWindowsVersion("3.0beta6") > convertToWindowsVersion("3.0alpha4"))
def testThatRcIsHigherThanAlphaAndBeta(self):
self.assertTrue(convertToWindowsVersion("3.0rc11") > convertToWindowsVersion("3.0alpha0"))
self.assertTrue(convertToWindowsVersion("3.0rc11") > convertToWindowsVersion("3.0alpha4"))
self.assertTrue(convertToWindowsVersion("3.0rc1") > convertToWindowsVersion("3.0alpha0"))
self.assertTrue(convertToWindowsVersion("3.0rc1") > convertToWindowsVersion("3.0alpha4"))
self.assertTrue(convertToWindowsVersion("3.0rc11") > convertToWindowsVersion("3.0beta0"))
self.assertTrue(convertToWindowsVersion("3.0rc11") > convertToWindowsVersion("3.0beta6"))
self.assertTrue(convertToWindowsVersion("3.0rc1") > convertToWindowsVersion("3.0beta0"))
self.assertTrue(convertToWindowsVersion("3.0rc1") > convertToWindowsVersion("3.0beta6"))
def testThatStableIsHigherThanAlphaAndBetaAndRc(self):
self.assertTrue(convertToWindowsVersion("3.0") > convertToWindowsVersion("3.0alpha0"))
self.assertTrue(convertToWindowsVersion("3.0") > convertToWindowsVersion("3.0alpha4"))
self.assertTrue(convertToWindowsVersion("3.0") > convertToWindowsVersion("3.0alpha0"))
self.assertTrue(convertToWindowsVersion("3.0") > convertToWindowsVersion("3.0alpha4"))
self.assertTrue(convertToWindowsVersion("3.0") > convertToWindowsVersion("3.0beta0"))
self.assertTrue(convertToWindowsVersion("3.0") > convertToWindowsVersion("3.0beta6"))
self.assertTrue(convertToWindowsVersion("3.0") > convertToWindowsVersion("3.0rc1"))
self.assertTrue(convertToWindowsVersion("3.0") > convertToWindowsVersion("3.0rc11"))
def testGitDescribeToVersion(self):
self.assertEqual("5.0alpha2-dev100", gitDescribeToVersion("swift-5.0alpha2-100-g33d5f6571", "swift"))
self.assertEqual("5.0alpha2", gitDescribeToVersion("swift-5.0alpha2", "swift"))
self.assertEqual("5.0-dev1", gitDescribeToVersion("swift-5.0-1-g012312312", "swift"))
self.assertIsNone(gitDescribeToVersion("swiften-5.0-1-g012312312", "swift"))
self.assertIsNone(gitDescribeToVersion("quickly-5.0-1-g012312312", "swift"))
self.assertIsNone(gitDescribeToVersion("swift-", "swift"))
self.assertIsNone(gitDescribeToVersion("swift", "swift"))
if __name__ == '__main__':
if len(sys.argv) == 1:
unittest.main()
elif len(sys.argv) == 2:
if sys.argv[1] == "--git-build-version":
print(getGitBuildVersion(os.path.dirname(os.path.dirname(__file__)), "swift"))
else:
print(convertToWindowsVersion(sys.argv[1]))
sys.exit(0)
else:
print("Error: Simply run the script without arguments or pass a single argument.")
sys.exit(-1)
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