confdbOfflineConverter.OfflineConverter Class Reference

Public Member Functions
def	__init__
def	query

Static Public Member Functions
def	CheckTempDirectory

Public Attributes
	baseDir
	baseUrl
	connect
	jars
	javaCmd
	verbose
	workDir

Static Public Attributes
dictionary	databases = {}

Detailed Description

Definition at line 10 of file confdbOfflineConverter.py.

Constructor & Destructor Documentation

def confdbOfflineConverter.OfflineConverter.__init__	(		self,
			database = 'hltdev',
			url = None,
			verbose = False
	)

Definition at line 28 of file confdbOfflineConverter.py.

    def __init__(self, database = 'hltdev', url = None, verbose = False):
        self.verbose = verbose
        self.baseDir = '/afs/cern.ch/user/c/confdb/www/lib'
        self.baseUrl = 'http://confdb.web.cern.ch/confdb/lib'
        self.jars = ( 'ojdbc6.jar', 'cmssw-evf-confdb-converter.jar' )
        self.workDir = ''

        # check the database
        if database in self.databases:
            # load the connection parameters for the given database
            self.connect = self.databases[database]
        else:
            # unsupported database
            sys.stderr.write( "ERROR: unknown database \"%s\"\n" % database)
            sys.exit(1)

        # check for a custom base URL
        if url is not None:
            self.baseUrl = url

        # try to read the .jar files from AFS, or download them
        if os.path.isdir(self.baseDir) and all(os.path.isfile(self.baseDir + '/' + jar) for jar in self.jars):
            # read the .jar fles from AFS
            self.workDir = self.baseDir
        else:
            # try to use $CMSSW_BASE/tmp
            self.workDir = OfflineConverter.CheckTempDirectory(os.environ['CMSSW_BASE'] + '/tmp/confdb')
            if not self.workDir:
                # try to use $TMP
                self.workDir = OfflineConverter.CheckTempDirectory(os.environ['TMP'] + '/confdb')
            if not self.workDir:
                # create a new temporary directory, and install a cleanup callback
                self.workDir = tempfile.mkdtemp()
                atexit.register(shutil.rmtree, self.workDir)
            # download the .jar files
            for jar in self.jars:
                urllib.urlretrieve(self.baseUrl + '/' + jar, self.workDir + '/' + jar)

        # setup the java command line and CLASSPATH
        if self.verbose:
            sys.stderr.write("workDir = %s\n" % self.workDir)
        self.javaCmd = ( 'java', '-cp', ':'.join(self.workDir + '/' + jar for jar in self.jars), 'confdb.converter.BrowserConverter' )