def createContainer_worker():
form_data = request.form
print form_data
unique_identifier = "LearningObject_%s" % str(uuid.uuid4())
pid = "wayne:"+unique_identifier
# instantiate object with quick variables
known_values = {
"id":pid,
"identifier":unique_identifier,
"label":form_data['label'],
"description":form_data['description'],
"creator":form_data['creator'],
"date":form_data['date'],
"content_type":"WSUDOR_LearningObject",
"policy":"info:fedora/wayne:WSUDORSecurity-permit-apia-unrestricted",
}
# instantiate ObjMeta object
om_handle = ObjMeta(**known_values)
# show relationships
om_handle.object_relationships = [
{
"predicate": "info:fedora/fedora-system:def/relations-external#isMemberOfCollection",
"object": form_data['collection']
},
{
"predicate": "http://digital.library.wayne.edu/fedora/objects/wayne:WSUDOR-Fedora-Relations/datastreams/RELATIONS/content/hasParent",
"object": form_data['collection']
},
{
"predicate": "http://digital.library.wayne.edu/fedora/objects/wayne:WSUDOR-Fedora-Relations/datastreams/RELATIONS/content/isDiscoverable",
"object": "info:fedora/True"
},
{
"predicate": "info:fedora/fedora-system:def/relations-external#hasContentModel",
"object": "info:fedora/CM:LearningObject"
},
{
"predicate": "http://digital.library.wayne.edu/fedora/objects/wayne:WSUDOR-Fedora-Relations/datastreams/RELATIONS/content/preferredContentModel",
"object": "info:fedora/CM:Container"
},
{
"predicate": "http://digital.library.wayne.edu/fedora/objects/wayne:WSUDOR-Fedora-Relations/datastreams/RELATIONS/content/hasSecurityPolicy",
"object": "info:fedora/wayne:WSUDORSecurity-permit-apia-unrestricted"
}
]
# add optional associated objects
if "associated_objects" in form_data:
print "writing associated object relationships"
associated_objects = [obj.strip() for obj in form_data['associated_objects'].split(',')]
for obj in associated_objects:
if obj != '':
om_handle.object_relationships.append({
"predicate":"http://digital.library.wayne.edu/fedora/objects/wayne:WSUDOR-Fedora-Relations/datastreams/RELATIONS/content/learningObjectFor",
"object": "info:fedora/%s" % obj
})
# prepare new working dir & recall original
working_dir = "/tmp/Ouroboros/"+str(uuid.uuid4())
print "creating working dir at", working_dir
# create if doesn't exist
if not os.path.exists(working_dir):
os.mkdir(working_dir)
os.system("mkdir %s/datastreams" % (working_dir))
# write custom MODS
# prepare subjects
subjects = [subject.strip() for subject in form_data['subjects'].split(",")]
subject_string = ''
for subject in subjects:
if subject != '':
subject_string += '<mods:subject authority="lcsh"><mods:topic>%s</mods:topic></mods:subject>' % subject
raw_MODS = '''<?xml version="1.0" encoding="utf-8"?>
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.4" xsi:schemaLocation="http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-4.xsd">
<mods:titleInfo>
<mods:title>%(label)s</mods:title>
</mods:titleInfo>
<mods:abstract>%(description)s</mods:abstract>
%(subject_string)s
<mods:name authority="local" type="person">
<mods:namePart>%(creator)s</mods:namePart>
<mods:role>
<mods:roleTerm authority="marcrelator" type="text">creator</mods:roleTerm>
</mods:role>
</mods:name>
<mods:originInfo>
<mods:dateIssued encoding="w3cdtf" keyDate="yes">%(date)s</mods:dateIssued>
</mods:originInfo>
<mods:identifier type="local">%(identifier)s</mods:identifier>
<mods:extension>
<PID>%(id)s</PID>
</mods:extension>
<mods:accessCondition type="useAndReproduction">%(rights)s</mods:accessCondition>
</mods:mods>
''' % {
'label':om_handle.label,
'description':om_handle.description,
'creator':om_handle.creator,
'date':om_handle.date,
'id':om_handle.id,
'identifier':om_handle.identifier,
'subject_string':subject_string,
'rights':form_data['rights']
}
print raw_MODS
with open('%s/MODS.xml' % working_dir,'w') as f:
f.write(raw_MODS)
# write objMeta
print "writing:",om_handle.toJSON()
om_handle.writeToFile('%s/objMeta.json' % (working_dir))
# bagify
print 'bagifying'
bag = WSUDOR_bagger.make_bag(working_dir, {
'Object PID' : pid
})
# ingest
# purge if already exists
if 'purge' in form_data:
try:
print "purging object"
fedora_handle.purge_object(form_data['pid'])
except:
print "object not found, skipping purge"
# open new handle
bag_handle = WSUDOR_ContentTypes.WSUDOR_Object(payload=working_dir, object_type='bag')
ingest_result = bag_handle.ingestBag()
# cleanup
shutil.rmtree(working_dir)
# render
time.sleep(3)
return redirect('tasks/learningObj/container/%s' % pid)
def createObj_worker():
form_data = request.form
print form_data
# instantiate object with quick variables
known_values = {
"id": form_data["pid"],
"identifier": form_data["pid"].split(":")[-1],
"label": form_data["label"],
"content_type": "WSUDOR_%s" % (form_data["CM"]),
"policy": "%s" % (form_data["policy"]),
}
# instantiate ObjMeta object
om_handle = ObjMeta(**known_values)
# show relationships
om_handle.object_relationships = [
{
"predicate": "http://digital.library.wayne.edu/fedora/objects/wayne:WSUDOR-Fedora-Relations/datastreams/RELATIONS/content/hasSecurityPolicy",
"object": "info:fedora/%s" % (form_data["policy"]),
},
{
"predicate": "http://digital.library.wayne.edu/fedora/objects/wayne:WSUDOR-Fedora-Relations/datastreams/RELATIONS/content/hasSecurityPolicy",
"object": "info:fedora/%s" % (form_data["policy"]),
},
]
# prepare new working dir & recall original
working_dir = "/tmp/Ouroboros/" + str(uuid.uuid4())
print "creating working dir at", working_dir
# create if doesn't exist
if not os.path.exists(working_dir):
os.mkdir(working_dir)
os.system("mkdir %s/datastreams" % (working_dir))
# write objMeta
print "writing:", om_handle.toJSON()
om_handle.writeToFile("%s/objMeta.json" % (working_dir))
if "bagify" in form_data:
# bagify
print "bagifying"
bag = bagit.make_bag("%s" % (working_dir), {"Object PID": form_data["pid"]})
# ingest
if "ingest" in form_data:
# purge if already exists
if "purge" in form_data:
try:
print "purging object"
fedora_handle.purge_object(form_data["pid"])
except:
print "object not found, skipping purge"
# bagify
if "bagify" not in form_data:
print "bagifying"
bag = bagit.make_bag("%s" % (working_dir), {"Object PID": form_data["pid"]})
# open new handle
bag_handle = WSUDOR_ContentTypes.WSUDOR_GenObject(payload=working_dir, object_type="bag")
ingest_result = bag_handle.ingestBag()
# render
return render_template(
"createBag_confirm.html", status="result for %s was %s" % (form_data["pid"], ingest_result)
)
else:
return render_template("createBag_confirm.html", status=working_dir)
def createDocument_worker(parent_PID):
form_data = request.form
print form_data
# open parent handle
obj = WSUDOR_ContentTypes.WSUDOR_Object(parent_PID)
unique_identifier = "LearningObject_File_%s" % str(uuid.uuid4())
pid = "wayne:"+unique_identifier
# instantiate object with quick variables
known_values = {
"id":pid,
"identifier":unique_identifier,
"label":form_data['label'],
"description":form_data['description'],
"creator":form_data['creator'],
"date":form_data['date'],
"content_type":"WSUDOR_%s" % form_data['CM'],
"policy":"info:fedora/wayne:WSUDORSecurity-permit-apia-unrestricted"
}
print known_values
# instantiate ObjMeta object
om_handle = ObjMeta(**known_values)
# show relationships
om_handle.object_relationships = [
{
"predicate": "http://digital.library.wayne.edu/fedora/objects/wayne:WSUDOR-Fedora-Relations/datastreams/RELATIONS/content/hasParent",
"object": "info:fedora/%s" % parent_PID
},
{
"predicate": "info:fedora/fedora-system:def/relations-external#isConstituentOf",
"object": "info:fedora/%s" % parent_PID
},
{
"predicate": "http://digital.library.wayne.edu/fedora/objects/wayne:WSUDOR-Fedora-Relations/datastreams/RELATIONS/content/isDiscoverable",
"object": "info:fedora/False"
},
{
"predicate": "http://digital.library.wayne.edu/fedora/objects/wayne:WSUDOR-Fedora-Relations/datastreams/RELATIONS/content/preferredContentModel",
"object": "info:fedora/CM:%s" % form_data['CM']
},
{
"predicate": "http://digital.library.wayne.edu/fedora/objects/wayne:WSUDOR-Fedora-Relations/datastreams/RELATIONS/content/hasSecurityPolicy",
"object": "info:fedora/wayne:WSUDORSecurity-permit-apia-unrestricted"
}
]
# prepare new working dir & recall original
working_dir = "/tmp/Ouroboros/"+str(uuid.uuid4())
print "creating working dir at", working_dir
# create if doesn't exist
if not os.path.exists(working_dir):
os.mkdir(working_dir)
os.system("mkdir %s/datastreams" % (working_dir))
# write custom MODS
# prepare subjects
subjects = [subject.strip() for subject in form_data['subjects'].split(",")]
subject_string = ''
for subject in subjects:
if subject != '':
subject_string += '<mods:subject authority="lcsh"><mods:topic>%s</mods:topic></mods:subject>' % subject
raw_MODS = '''<?xml version="1.0" encoding="utf-8"?>
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.4" xsi:schemaLocation="http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-4.xsd">
<mods:titleInfo>
<mods:title>%(label)s</mods:title>
</mods:titleInfo>
<mods:abstract>%(description)s</mods:abstract>
%(subject_string)s
<mods:name authority="local" type="person">
<mods:namePart>%(creator)s</mods:namePart>
<mods:role>
<mods:roleTerm authority="marcrelator" type="text">creator</mods:roleTerm>
</mods:role>
</mods:name>
<mods:originInfo>
<mods:dateCreated>%(date)s</mods:dateCreated>
</mods:originInfo>
<mods:identifier type="local">%(identifier)s</mods:identifier>
<mods:extension>
<PID>%(id)s</PID>
</mods:extension>
<mods:accessCondition type="useAndReproduction">%(rights)s</mods:accessCondition>
</mods:mods>
''' % {
'label':om_handle.label,
'description':om_handle.description,
'creator':om_handle.creator,
'date':om_handle.date,
'id':om_handle.id,
'identifier':om_handle.identifier,
'subject_string':subject_string,
'rights':form_data['rights']
}
print raw_MODS
with open('%s/MODS.xml' % working_dir,'w') as f:
f.write(raw_MODS)
# write datastream
# Identify datastreams folder
datastreams_dir = working_dir + "/datastreams"
target_filename = '%s/%s' % (datastreams_dir,form_data['filename'])
# retrieve uploaded / pasted / content and write to disk
if form_data['dataType'] == 'dsLocation':
file_data = requests.get(form_data['dsLocation'])
with open(target_filename) as f:
f.write(file_data.content)
elif form_data['dataType'] == 'upload':
# writes to temp file in /tmp/Ouroboros
if 'upload' in request.files and request.files['upload'].filename != '':
print "Form provided file, uploading and reading file to variable"
with open(target_filename,'w') as fhand:
fhand.write(request.files['upload'].read())
else:
print "file could not be found"
return False
filename = form_data['filename']
label = form_data['label']
order = 1
# get extension, ds_id
mimetypes.init()
ds_id, ext = filename.split(".")
# create datastream dictionary
ds_dict = {
"filename": filename,
"ds_id": ds_id,
"mimetype": mimetypes.types_map[".%s" % ext],
"label": label,
"internal_relationships": {},
'order': order
}
om_handle.datastreams.append(ds_dict)
om_handle.isRepresentedBy = ds_id
# write objMeta
print "writing:",om_handle.toJSON()
om_handle.writeToFile('%s/objMeta.json' % (working_dir))
# bagify
print 'bagifying'
bag = WSUDOR_bagger.make_bag(working_dir, {
'Object PID' : pid
})
# ingest
# purge if already exists
if 'purge' in form_data:
try:
print "purging object"
fedora_handle.purge_object(form_data['pid'])
except:
print "object not found, skipping purge"
# open new handle
bag_handle = WSUDOR_ContentTypes.WSUDOR_Object(payload=working_dir, object_type='bag')
ingest_result = bag_handle.ingestBag()
# cleanup
# shutil.rmtree(working_dir)
# render
time.sleep(3)
return redirect('tasks/learningObj/container/%s' % parent_PID)