def create(self, overwrite=False, defaultDataPath=None):
"""
Creates the repository configuration.
@param overwrite: Flag indicating that an existing configuration can be removed before creating the new one.
The default is C{False}.
@type overwrite: C{bool}
@param defaultDataPath: Optional path to a data root collection which is created as well. The path is located
on the same file system as the configuration. An existing data root collection is not
replaced.
@type defaultDataPath: C{unicode}
@raise ConfigurationError: Indicating problem on repository configuration creation.
"""
if self.isManagedRepository:
try:
if self._configurationCollection.exists():
if not overwrite:
errorMessage = "The repository configuration '%s' " % self.repositoryConfigurationUri \
+ "already exists and is not replaced by default."
raise ConfigurationError(errorMessage)
self._configurationCollection.delete()
self._configurationCollection.createCollection(True)
dataFileStorer = self._configurationCollection.fileSystem.createFileStorer(
defaultDataPath)
if not dataFileStorer.exists():
dataFileStorer.createCollection(True)
except PersistenceError, error:
raise ConfigurationError(error.message)
else:
self._dataModelHandler.create()
self._dataStoreHandler.create(dataFileStorer.uri)
self._iconHandler.create()
self._scriptHandler.create()
def store(self):
"""
Stores the preferences.
@raise ConfigurationError: Indicating problems on storage.
"""
try:
if not self._fileStorer.exists():
self._fileStorer.createResource()
stream = self._streamWriterClass(StringIO())
self._preferences.connections = list()
for connectionUri in self._connectionOrder:
connection = self._connections[connectionUri]
if connection.password is None:
encryptedPassword = None
else:
encryptedPassword = base64.encodestring(connection.password)
copiedConnection = preferences.connection(connection.url, connection.username, encryptedPassword,
connection.useLdap, connection.ldapServerUri, connection.ldapBaseDn,
connection.useLucene, connection.luceneIndexUri,
connection.defaultDataStore, connection.defaultArchiveStore,
connection.defaultOfflineStore)
if not copiedConnection.url is None:
self._preferences.addConnections(copiedConnection)
self._preferences.__dict__.update(self.__dict__)
try:
self._preferences.export(stream, 0)
except ExpatError:
raise ConfigurationError("Cannot persist preferences configuration.")
stream.seek(0)
self._fileStorer.writeData(stream)
except PersistenceError, error:
raise ConfigurationError("Unable to store preferences file.\nReason: '%s'" % error.message)
def load(self):
""" Loads the data store configuration. """
try:
if self._fileStorer.exists():
stream = self._fileStorer.readData()
else:
raise ConfigurationError(
"The data store configuration does not exist.")
except PersistenceError, error:
raise ConfigurationError(
"Cannot access the data store configuration.\nReason: '%s'" %
error.message)
def load(self):
"""
Loads the data model.
@raise ConfigurationError: Indicating problems on data model loading.
"""
try:
if self._fileStorer.exists():
stream = self._fileStorer.readData()
else:
raise ConfigurationError("The data model does not exists.")
except PersistenceError, error:
raise ConfigurationError("Cannot load data model. Reason: '%s'" % error.message)
def create(self):
""" Creates directory for script extensions. """
try:
self._sourceFileStorer.createCollection()
except PersistenceError, error:
raise ConfigurationError("Cannot create script extensions collection. Reason: '%s'" % error.message)
def createDataStore(self,
name=None,
storeType=None,
iconName="dataStore",
url=None,
isDefault=False,
owner=None):
"""
Creates a data store configuration for the given type.
@param name: Identifier of the data store configuration.
@type name: C{unicode}
@param storeType: Type of the data store configuration.
@type storeType: C{unicode}
"""
dataStoreName = self._determineUniqueDataStoreName(name)
if storeType is None:
dataStore = _typeDataStoreClassMap[constants.DEFAULT_STORE](
dataStoreName, constants.DEFAULT_STORE, iconName, url,
isDefault, owner)
else:
if storeType in _typeDataStoreClassMap:
dataStore = _typeDataStoreClassMap[storeType](dataStoreName,
storeType,
iconName, url,
isDefault, owner)
else:
raise ConfigurationError(
"The data store type '%s' is not supported." % storeType)
return dataStore
def load(self):
""" Initializes everything with the installed icons. """
try:
directoryFileStorer = createFileStorer("file:///" + LOCAL_INSTALLED_ICONS_DIRECTORY_PATH)
except PersistenceError, error:
raise ConfigurationError("Cannot parse local icon directory.\nReason:'%s'", error.message)
def removeIcon(self, icon):
"""
Removes an icon.
@param icon: Icon to remove.
@type icon: C{Icon}
"""
try:
smallIconFileStorer = self._targetFileStorer.getChild(icon.smallName)
if smallIconFileStorer.exists():
smallIconFileStorer.delete()
largeIconFileStorer = self._targetFileStorer.getChild(icon.largeName)
if largeIconFileStorer.exists():
largeIconFileStorer.delete()
self._iconRegistry.unregister(self._location, icon)
smallIconFileStorer = self._sourceFileStorer.getChild(icon.smallName)
if smallIconFileStorer.exists():
smallIconFileStorer.delete()
largeIconFileStorer = self._sourceFileStorer.getChild(icon.largeName)
if largeIconFileStorer.exists():
largeIconFileStorer.delete()
except PersistenceError, error:
raise ConfigurationError("Cannot remove icon '%s'. Reason: '%s'" % (icon.baseName, error.message))
def parseIconDirectory(directoryFileStorer):
"""
Parses the given directory for icon files.
@param directoryFileStorer: Allows access to the directory containing the icons.
@type directoryFileStorer: L{FileStorer<datafinder.persistence.factory.FileStorer>}
@return: List of icons.
@rtype: C{list} of C{Icon}
"""
try:
result = list()
children = directoryFileStorer.getChildren()
childrenNames = [child.name for child in children]
smallSuffixLength = len(SMALL_ICONFILENAME_SUFFIX)
for fileStorer in children:
if fileStorer.name.endswith(SMALL_ICONFILENAME_SUFFIX):
baseName = fileStorer.name[:len(fileStorer.name) - smallSuffixLength]
largeIconFileName = baseName + LARGE_ICONFILENAME_SUFFIX
if largeIconFileName in childrenNames:
result.append(Icon(baseName, fileStorer.name, largeIconFileName, directoryFileStorer.identifier))
else:
result.append(Icon(baseName, fileStorer.name, fileStorer.name, directoryFileStorer.identifier))
return result
except PersistenceError, error:
raise ConfigurationError("Cannot load the local installed icons. Reason: '%s'" % error.message)
def _registerScripts(self):
""" Registers all retrieved scripts. """
scripts = list()
try:
children = self._targetFileStorer.getChildren()
except PersistenceError, error:
raise ConfigurationError("Cannot register repository-specific script extensions.\nReason: '%s'" % error.message)
def testConnectRepository(self):
"""
Test for the connectRepository method.
"""
self._repositoryMock.error = ConfigurationError("")
self.assertRaises(ScriptApiError, repository.connectRepository, "", "", "", "")
def __exists(self):
""" Getter of the existence flag. """
if self._exists is None:
raise ConfigurationError(
"Repository configuration is not initialized.")
else:
return self._exists
def testStore(self):
""" Tests the storing of the repository configuration. """
self._configuration.store()
self._dataModelHandlerMock.error = ConfigurationError("")
self.assertRaises(ConfigurationError, self._configuration.store)
self._configuration._configurationCollection = None # Test for unmanaged repository
self._configuration.store()
def testDisconnectRepository(self):
"""
Test for the disconnectRepository method.
"""
self._repositoryManagerInstanceMock.error = ConfigurationError("")
self.assertRaises(ScriptApiError, repository.disconnectRepository, repository.RepositoryDescription)
def create(self):
"""
Creates icon location of the repository.
@raise ConfigurationError: Indicating problems on creation.
"""
try:
self._sourceFileStorer.createCollection()
except PersistenceError, error:
raise ConfigurationError("Cannot create icon collection. Reason: '%s'" % error.message)
def create(self):
"""
Creates a new data model.
@raise ConfigurationError: Indicating problems on creation.
"""
try:
self._fileStorer.createResource()
self.store()
except PersistenceError, error:
raise ConfigurationError("Cannot create the data model. Reason: '%s'" % error.message)
def removeRelation(self, name):
"""
Removes the relation.
@param name: Name of the relation.
@type name: C{unicode}
"""
if name == ROOT_RELATION_NAME:
raise ConfigurationError("The removal of the root relation is not allowed.")
if name in self._relations:
del self._relations[name]
def addIcon(self, iconBaseName, localBaseDirectoryPath):
"""
Adds a new icon.
@param iconBaseName: Base name of the new icon.
@type iconBaseName: C{unicode}
@param localBaseDirectoryPath: Path to the base directory for small and large icon representation.
@type localBaseDirectoryPath: C{unicode}
@raise ConfigurationError: Indicating problems on icon importing.
"""
try:
str(iconBaseName)
except UnicodeEncodeError:
raise ConfigurationError("Currently only icon file names in ASCII encoding are supported.")
else:
try:
baseDirectoryFileStorer = createFileStorer("file:///" + localBaseDirectoryPath)
smallIconFileName = iconBaseName + SMALL_ICONFILENAME_SUFFIX
largeIconFileName = iconBaseName + LARGE_ICONFILENAME_SUFFIX
smallIconFileStorer = baseDirectoryFileStorer.getChild(smallIconFileName)
largeIconFileStorer = baseDirectoryFileStorer.getChild(largeIconFileName)
if not smallIconFileStorer.exists():
raise ConfigurationError("The small icon file '%s' cannot be found." % smallIconFileName)
if not largeIconFileStorer.exists():
raise ConfigurationError("The large icon file '%s' cannot be found." % largeIconFileName)
for smallIconDestination in [self._sourceFileStorer, self._targetFileStorer]:
smallIconDestinationFileStorer = smallIconDestination.getChild(smallIconFileName)
self._copy(smallIconFileStorer, smallIconDestinationFileStorer)
for largeIconDestination in [self._sourceFileStorer, self._targetFileStorer]:
largeIconDestinationFileStorer = largeIconDestination.getChild(largeIconFileName)
self._copy(largeIconFileStorer, largeIconDestinationFileStorer)
self._iconRegistry.register(self._location, [Icon(iconBaseName, smallIconFileName,
largeIconFileName, localBaseDirectoryPath)])
except PersistenceError, error:
raise ConfigurationError("Cannot add icon '%s'. Reason: '%s'" % (iconBaseName, error.message))
def load(self):
"""
Stores the icons in the target directory and register corresponding icons.
@raise ConfigurationError: Indicating problems.
"""
self.__logger.info("Loading icons...")
try:
if not self._targetFileStorer.exists():
self._targetFileStorer.createCollection(True)
except PersistenceError, error:
raise ConfigurationError("Cannot prepare target icon location.\nReason: '%s'" % error.message)
def store(self):
""" Stores the data store configuration. """
persistedDataStores = self._createPersistedDatastores()
stream = self._streamWriterClass(StringIO())
persistedDataStores.export(stream, 0)
stream.seek(0)
try:
self._fileStorer.writeData(stream)
except PersistenceError, error:
raise ConfigurationError(
"Cannot store the data store configuration\nReason: '%s'" %
error.message)
def executePreferences(self):
""" Execute the preferences page. """
if self.hasPreferences:
try:
fileObject = self._baseDirFileStorer.getChild(
constants.PREFERENCES_PAGE_MODULE_NAME).readData()
except PersistenceError, error:
raise ConfigurationError(
"Cannot access script.\nReason: '%s'" % error.message)
else:
_loadModule(fileObject, constants.PREFERENCES_PAGE_MODULE_NAME,
self._logger)
def addScript(self, scriptUri):
"""
Adds a new script.
@param scriptUri: URI identifying the new script extension.
@type scriptUri: C{unicode}
@raise ConfigurationError: Indicating problems on icon importing.
"""
try:
scriptFileStorer = createFileStorer(scriptUri)
if not scriptFileStorer.exists():
raise ConfigurationError("The script '%s' cannot be found." % scriptUri)
script = createScript(scriptFileStorer)
for scriptDestination in [self._sourceFileStorer, self._targetFileStorer]:
scriptDestinationFileStorer = scriptDestination.getChild(scriptFileStorer.name)
self._copy(scriptFileStorer, scriptDestinationFileStorer)
script = createScript(self._targetFileStorer.getChild(scriptFileStorer.name), self._location)
self._scriptRegistry.register(self._location, [script])
except PersistenceError, error:
raise ConfigurationError("Cannot add script '%s'. Reason: '%s'" % (scriptUri, error.message))
def testLoad(self):
""" Tests the initialization of the script registry. """
self._createScriptMock.value = _ScriptMock(uri="uri")
self._registry.load()
self.assertEquals(len(self._registry.scripts), 1)
self._createScriptMock.error = ConfigurationError("")
self._registry.load()
self.assertEquals(len(self._registry.scripts), 0)
self._createFileStorerMock.error = PersistenceError("")
self._registry.load()
self.assertEquals(len(self._registry.scripts), 0)
def delete(self):
"""
Deletes the repository configuration.
@raise ConfigurationError: Indicating problem on deletion.
"""
if self.isManagedRepository:
try:
if self._configurationCollection.exists():
self._configurationCollection.delete()
except PersistenceError, error:
errorMessage = "Cannot delete the repository configuration.\nReason: '%s'" % error.message
raise ConfigurationError(errorMessage)
def load(self):
"""
Loads the scripts in the target directory and registers corresponding scripts.
@raise ConfigurationError: Indicating problems.
"""
self.__logger.info("Loading scripts...")
try:
if not self._targetFileStorer.exists():
self._targetFileStorer.createCollection(True)
except PersistenceError, error:
raise ConfigurationError("Cannot access target location of repository-specific " \
+ "script extensions.\nReason: '%s'" % error.message)
def load(self):
"""
Initializes configuration.
@raise ConfigurationError: Indicating problem on configuration loading.
"""
if self.isManagedRepository:
try:
exists = self._configurationCollection.exists()
except PersistenceError, error:
raise ConfigurationError(
"Cannot determine repository configuration existence.\nReason: '%s'"
% error.message)
else:
if not exists:
errorMessage = "The repository configuration '%s' does not exist." % self.repositoryConfigurationUri
raise ConfigurationError(errorMessage)
else:
self._scriptHandler.load()
self._dataModelHandler.load()
self._dataStoreHandler.load()
self._iconHandler.load()
def _parseScript(self):
""" Parse the script and extract the meta data. """
dataStream = self._fileStorer.readData()
try:
try:
line = dataStream.readline()
while line:
line = line.strip()
self._parse(line)
line = dataStream.readline()
finally:
dataStream.close()
except IOError:
raise ConfigurationError("Cannot read script data.")
def release(self):
"""
Releases acquired resources.
@raise ConfigurationError: Indicating problem on resource release.
"""
if self.isManagedRepository:
try:
self._configurationCollection.fileSystem.release()
self._dataStoreAccessManager.release()
except PersistenceError, error:
raise ConfigurationError(
"Problem on releasing acquired configuration resources. Reason: '%s'"
% error.message)
def importDataStores(self, localFilePath):
"""
Imports the data store configuration from a local file.
@param localFilePath: Path to file on the local file system.
@type localFilePath: C{unicode}
"""
try:
localFileStorer = createFileStorer("file:///" + localFilePath)
binaryStream = localFileStorer.readData()
except PersistenceError, error:
raise ConfigurationError(
"Cannot import data store configuration.\nReason: '%s'" %
error.message)
def store(self):
"""
Stores the current data model state.
@raise ConfigurationError: Indicating problems on data model storage.
"""
persistedDatamodel = self._createPersistedDatamodel()
stream = self._streamWriterClass(StringIO())
persistedDatamodel.export(stream, 0)
stream.seek(0)
try:
self._fileStorer.writeData(stream)
except PersistenceError, error:
raise ConfigurationError("Cannot store the data model.\nReason: '%s'" % error.message)
