def test_fromstring():
assert from_string('1.1') == Version(1, 1)
assert from_string('1.1 beta 1') == Version(1, 1,
subrelease=2, subrellevel=1)
assert from_string('356.42.376 pre-alpha') == Version(356, 42, 376, 0)
invalid_str = lambda: from_string('foo')
assert_raises(VersionError, invalid_str)
try:
invalid_str()
except VersionError, e:
assert str(e) == "Incorrect version string. Please generate it in the manner of 'str(Version(1, 2, 0, ALPHA, 1))'."
def python_version_supported(python_versions):
# or platform.python_version_tuple()?
python_version = version.Version(sys.version_info[:3])
for ver in _parse(python_versions):
if CMP_OP_MAP[ver['cmp']](python_version,
version.from_string(ver['ver'])):
return True
return False
def is_installed(appname, ver_deps=None, additional_paths=None):
if additional_paths:
for path in additional_paths:
sys.path.insert(0, path)
try:
__import__(appname)
app = sys.modules[appname]
except ImportError:
return False
if not ver_deps:
return True
for ver in _parse(ver_deps):
if CMP_OP_MAP[ver['cmp']](app.VERSION,
version.from_string(ver['ver'])):
return True
raise VersionError("Application %s installed version %s does not "
"satisfy the version dependencies %s."
% (appname, str(app.VERSION), str(ver_deps)))
assert v1 > v0
assert v1 >= v0
assert v0 < v1
assert v0 <= v1
assert v2 > v1
assert v0 > v3
assert v4 > v3
assert v1 != v2
assert v3 == v5
def test_fromstring():
assert from_string('1.1') == Version(1, 1)
assert from_string('1.1 beta 1') == Version(1, 1,
subrelease=2, subrellevel=1)
assert from_string('356.42.376 pre-alpha') == Version(356, 42, 376, 0)
invalid_str = lambda: from_string('foo')
assert_raises(VersionError, invalid_str)
try:
invalid_str()
except VersionError, e:
assert str(e) == "Incorrect version string. Please generate it in the manner of 'str(Version(1, 2, 0, ALPHA, 1))'."
invalid_subrel = lambda: from_string('1.2 bar 1')
assert_raises(VersionError, invalid_subrel)
try:
invalid_subrel()
except VersionError, e:
assert str(e) == "Subrelease has to be one of pre-alpha (0), alpha (1), beta (2), prerelease (3)."
