def islandoraMessage(self, method, message, client):
if method == 'generateDerivatives':
if 'pid' not in message:
self.logger.error("No PID passed in message.")
try:
obj = client.getObject(message['pid'])
comime = CoallianceMime(obj)
for dsid in obj:
self.processMessage(dsid, obj, comime)
except:
self.logger.exception('Pid does not exist. Pid %s' % message['pid'])
self.logger.info('Derivative generation process complete for PID: %s' % message['pid'])
elif method == 'regenerateDerivatives':
if 'pid' not in message:
self.logger.error("No PID passed in message.")
try:
obj = client.getObject(message['pid'])
try:
obj['TN'].delete()
except:
pass
relsint = rels_int(obj, rels_namespace('coal', 'http://www.coalliance.org/ontologies/relsint'), 'coal')
relationships = relsint.getRelationships()
try:
obj['RELS-INT'].delete()
except:
pass
for relationship in relationships:
try:
obj[relationship[2].data].delete()
except:
pass
self.stomp.send('/topic/islandora', json.dumps(message), {'method' : 'generateDerivatives'})
except:
self.logger.exception('Pid does not exist. Pid %s' % message['pid'])
def fedoraMessage(self, message, obj, client):
# if this is a ingest method, then we want to do actions for each datastream
comime = CoallianceMime(obj)
if message['method'] == 'ingest':
for dsid in obj:
self.processMessage(dsid, obj, comime)
# clean up the rels if this was a purge
elif message['method'] == 'purgeDatastream':
relsint = rels_int(obj, rels_namespace('coal', 'http://www.coalliance.org/ontologies/relsint'), 'coal')
relsint.purgeRelationships(subject=message['dsid'])
relsint.purgeRelationships(object=message['dsid'])
relsint.update()
# else we just mess with the one that was changed
elif message['dsid']:
self.processMessage(message['dsid'], obj, comime)
def fedoraMessage(self, message, obj, client):
# if this is a ingest method, then we want to do actions for each datastream
comime = CoallianceMime(obj)
if message['method'] == 'ingest':
for dsid in obj:
self.processMessage(dsid, obj, comime)
# clean up the rels if this was a purge
elif message['method'] == 'purgeDatastream':
relsint = rels_int(obj, rels_namespace('coal', 'http://www.coalliance.org/ontologies/relsint'), 'coal')
relsint.purgeRelationships(subject=message['dsid'])
relsint.purgeRelationships(object=message['dsid'])
relsint.update()
# else we just mess with the one that was changed
elif message['dsid']:
self.processMessage(message['dsid'], obj, comime)
def dispatch(self, dsid):
self.relsint = rels_int(self.obj, rels_namespace('coal', 'http://www.coalliance.org/ontologies/relsint'), 'coal')
self.dsid = dsid
try:
# translate - / + . into _ for the mimetype function
trantab = string.maketrans('-/+.','____')
if(self.obj[dsid].mimeType):
mime = self.obj[dsid].mimeType.encode('ascii')
mime_function_name = mime.translate(trantab)
# get the function from the self object and run it
mime_function = getattr( self, mime_function_name, self.mimetype_none )
mime_function()
except KeyError:
# we catch a key error because .mimeType throws one
# if no mimeType is defined
pass
def islandoraMessage(self, method, message, client):
if method == 'generateDerivatives':
if 'pid' not in message:
self.logger.error("No PID passed in message.")
try:
obj = client.getObject(message['pid'])
comime = CoallianceMime(obj)
for dsid in obj:
self.processMessage(dsid, obj, comime)
if 'TN' not in obj:
self.logger.info('No TN datastream on object, attempting to find a derivative to copy')
for dsid in obj:
if re.search(".*-tn.jpg\Z", dsid, 0):
try:
self.logger.info('Creating TN DS from %s .' % dsid)
comime.create_thumbnail(obj, dsid, 'TN')
break;
except:
self.logger.exception('Could not create TN Datastream from %s .' % dsid)
except:
self.logger.exception('Pid does not exist. Pid %s' % message['pid'])
self.logger.info('Derivative generation process complete for PID: %s' % message['pid'])
elif method == 'regenerateDerivatives':
if 'pid' not in message:
self.logger.error("No PID passed in message.")
try:
obj = client.getObject(message['pid'])
try:
obj['TN'].delete()
except:
pass
relsint = rels_int(obj, rels_namespace('coal', 'http://www.coalliance.org/ontologies/relsint'), 'coal')
relationships = relsint.getRelationships()
try:
obj['RELS-INT'].delete()
except:
pass
for relationship in relationships:
try:
obj[relationship[2].data].delete()
except:
pass
self.stomp.send('/topic/islandora', json.dumps(message), {'method' : 'generateDerivatives'})
except:
self.logger.exception('Pid does not exist. Pid %s' % message['pid'])
def islandoraMessage(self, method, message, client):
if method == 'generateDerivatives':
if 'pid' not in message:
self.logger.error("No PID passed in message.")
try:
obj = client.getObject(message['pid'])
comime = CoallianceMime(obj)
for dsid in obj:
self.processMessage(dsid, obj, comime)
except:
self.logger.exception('Pid does not exist. Pid %s' %
message['pid'])
self.logger.info(
'Derivative generation process complete for PID: %s' %
message['pid'])
elif method == 'regenerateDerivatives':
if 'pid' not in message:
self.logger.error("No PID passed in message.")
try:
obj = client.getObject(message['pid'])
try:
obj['TN'].delete()
except:
pass
relsint = rels_int(
obj,
rels_namespace(
'coal',
'http://www.coalliance.org/ontologies/relsint'),
'coal')
relationships = relsint.getRelationships()
try:
obj['RELS-INT'].delete()
except:
pass
for relationship in relationships:
try:
obj[relationship[2].data].delete()
except:
pass
self.stomp.send('/topic/islandora', json.dumps(message),
{'method': 'generateDerivatives'})
except:
self.logger.exception('Pid does not exist. Pid %s' %
message['pid'])