def version(self, value):
if isinstance(value, Version):
version = value.dup()
elif isinstance(value, basestring):
try:
version = Version.load_from_string(value)
except Exception:
raise ValueError("Invalid version string %r" % value)
else:
raise ValueError("Version can only be a string or another Version object")
self._version = version
def parse_config_xml(self, xml_root):
# Update the XML tree if needed (this needs pre-verifying the version)
if 'version' not in xml_root.attrib:
raise ParseError("Configuration version cannot be determined", 1)
try:
version = Version.load_from_string(xml_root.attrib['version'])
except ValueError:
raise ParseError("Invalid version format %s" % xml_root.attrib['version'], 1)
xml_root = UpdateVisitor().visit(version, xml_root)
# Validate the XML root with the config.xsd. The config.xsd file always
# refers to the current version (see UpdateVisitor.version_current)
try:
validate_xml(xml_root, resource='config.xsd', resource_locator=ModuleLocator(__import__(__name__)))
except etree.DocumentInvalid, e:
raise ParseError('Configuration is invalid', e.error_log.last_error.line)
def test_initialize(self):
self.assertEqual(Version('1', '0')._components, [1, 0])
self.assertEqual(Version.load_from_string('1')._components, [1])
self.assertEqual(Version.load_from_string('1.')._components, [1, 0])
self.assertEqual(Version.load_from_string('1.0')._components, [1, 0])
self.assertEqual(Version.load_from_string('1..0')._components, [1, 0, 0])
def test_compare(self):
self.assertTrue(Version.load_from_string('1.0') == Version.load_from_string('1'))
self.assertTrue(Version.load_from_string('1.0') < Version.load_from_string('1.1'))
self.assertTrue(Version.load_from_string('1.0') <= Version.load_from_string('1.1'))
self.assertTrue(Version.load_from_string('1.1.2') > Version.load_from_string('1.1'))