def testListValue(self):
# Empty list
metdataValue = json_format.convertFromPersistenceFormat("[]")
self.assertEquals(metdataValue, list())
# Mixed list
self.assertEquals(
json_format.convertFromPersistenceFormat(
'["a", "b", 1, "2006-10-16T08:19:39Z"]'), [
"a", "b",
decimal.Decimal(1),
datetime.datetime(2006, 10, 16, 10, 19, 39)
])
# Nested list
jsonString = '[[["2006-10-16T08:19:39Z"]]]'
self.assertEquals(json_format.convertFromPersistenceFormat(jsonString),
[[[datetime.datetime(2006, 10, 16, 10, 19, 39)]]])
def _convertToDict(value):
try:
dictValue = json_format.convertFromPersistenceFormat(value)
except PersistenceError:
dictValue = None
else:
if not isinstance(dictValue, dict):
dictValue = None
return dictValue
def _convertToDict(value):
try:
dictValue = json_format.convertFromPersistenceFormat(value)
except PersistenceError:
dictValue = None
else:
if not isinstance(dictValue, dict):
dictValue = None
return dictValue
class MetadataSubversionAdapter(NullMetadataStorer):
""" Implements meta data storer interface for subversion. """
def __init__(self, identifier, connectionPool):
"""
Constructor.
@param identifier: Logical identifier of the resource.
@type identifier: C{unicode}
@param connectionPool: Connection pool.
@type connectionPool: L{Connection<datafinder.persistence.svn.connection_pool.SVNConnectionPool>}
"""
NullMetadataStorer.__init__(self, identifier)
self.__connectionPool = connectionPool
def retrieve(self, propertyIds=None):
""" @see: L{NullMetadataStorer<datafinder.persistence.metadata.metadatastorer.NullMetadataStorer>}"""
connection = self.__connectionPool.acquire()
try:
properties = self._retrieveCustomProperties(connection)
for key, value in properties.iteritems():
properties[key] = json_format.MetadataValue(value)
systemProperties = self._retrieveSystemProperties(connection)
properties.update(systemProperties)
return self._filterResult(propertyIds, properties)
finally:
self.__connectionPool.release(connection)
@staticmethod
def _filterResult(propertyIds, properties):
if not propertyIds is None and len(propertyIds) > 0:
filteredProps = dict()
for propertyId in propertyIds:
if propertyId in properties:
filteredProps[propertyId] = properties[propertyId]
else:
filteredProps = properties
return filteredProps
def _retrieveCustomProperties(self, connection):
customProperties = dict()
try:
jsonString = connection.getProperty(self.identifier, JSON_PROPERTY_NAME)
except SubversionError:
parentId = util.determineParentPath(self.identifier)
try:
connection.update(parentId)
jsonString = connection.getProperty(self.identifier, JSON_PROPERTY_NAME)
except SubversionError, error:
raise PersistenceError(str(error))
if not jsonString is None:
customProperties = json_format.convertFromPersistenceFormat(jsonString)
return customProperties
def testDictValues(self):
# Empty dict
metdataValue = json_format.convertFromPersistenceFormat("{}")
self.assertEquals(metdataValue, dict())
# Mixed and nested dict
jsonString = '{"name": "me", "age": 30, ' \
+ '"address":{"street": "there", "number": 1, ' \
+ '"city": {"name": "there", "build": ["2006-10-16T08:19:39Z"]}}}'
expectedResult = {
"name": "me",
"age": decimal.Decimal(30),
"address": {
"street": "there",
"number": decimal.Decimal(1),
"city": {
"name": "there",
"build": [datetime.datetime(2006, 10, 16, 10, 19, 39)]
}
}
}
self.assertEquals(json_format.convertFromPersistenceFormat(jsonString),
expectedResult)
def testNumericValue(self):
self.assertEquals(json_format.convertFromPersistenceFormat("4.5"),
decimal.Decimal("4.5"))
self.assertEquals(json_format.convertFromPersistenceFormat("5"),
decimal.Decimal("5"))
def testStringValue(self):
self.assertEquals(json_format.convertFromPersistenceFormat(u'"test"'),
u"test")
self.assertEquals(json_format.convertFromPersistenceFormat('"test"'),
"test")
def testBoolValue(self):
self.assertTrue(json_format.convertFromPersistenceFormat("true"))
self.assertFalse(json_format.convertFromPersistenceFormat("false"))
def testDatetimeValue(self):
# From Iso8601.
persistedValue = u'"2006-10-16T08:19:39Z"'
metdataValue = json_format.convertFromPersistenceFormat(persistedValue)
self.assertEquals(metdataValue,
datetime.datetime(2006, 10, 16, 10, 19, 39))