How to use the crash.Marshaller.dumps function in crash

def __init__(self, crash):
        """
        @type  crash: Crash
        @param crash: L{Crash} object to store into the database.
        """

        # Timestamp and signature.
        self.timestamp = datetime.datetime.fromtimestamp( crash.timeStamp )
        self.signature = pickle.dumps(crash.signature, protocol = 0)

        # Marshalled Crash object, minus the memory dump.
        # This code is *not* thread safe!
        memoryMap = crash.memoryMap
        try:
            crash.memoryMap = None
            self.data = buffer( Marshaller.dumps(crash) )
        finally:
            crash.memoryMap = memoryMap

        # Exploitability test.
        self.exploitability_rating, \
        self.exploitability_rule,   \
        self.exploitability_desc  = crash.isExploitable()

        # Exploitability test as an integer result (for sorting).
        self.exploitable = [
                                "Not an exception",
                                "Not exploitable",
                                "Not likely exploitable",
                                "Unknown",
                                "Probably exploitable",
                                "Exploitable",

def __init__(self, crash):
        """
        @type  crash: Crash
        @param crash: L{Crash} object to store into the database.
        """

        # Timestamp and signature.
        self.timestamp = datetime.datetime.fromtimestamp( crash.timeStamp )
        self.signature = pickle.dumps(crash.signature, protocol = 0)

        # Marshalled Crash object, minus the memory dump.
        # This code is *not* thread safe!
        memoryMap = crash.memoryMap
        try:
            crash.memoryMap = None
            self.data = buffer( Marshaller.dumps(crash) )
        finally:
            crash.memoryMap = memoryMap

        # Exploitability test.
        self.exploitability_rating, \
        self.exploitability_rule,   \
        self.exploitability_desc  = crash.isExploitable()

        # Exploitability test as an integer result (for sorting).
        self.exploitable = [
                                "Not an exception",
                                "Not exploitable",
                                "Not likely exploitable",
                                "Unknown",
                                "Probably exploitable",
                                "Exploitable",