def get_parents_context_metadata(self, uuid):
""" get all parents from memory or by DB lookups """
if len(self.parents) >= 5000:
self.parents = {}
par_res = Assertion.objects\
.filter(object_uuid=uuid,
predicate_uuid=Assertion.PREDICATES_CONTAINS)[:1]
if len(par_res) > 0:
# item has a parent
parent_uuid = par_res[0].uuid
if parent_uuid not in self.parents:
# we don't have a context path parent list for this parent in memory yet
# so let's go and make it
p_list = []
act_contain = Containment()
raw_parents = act_contain.get_parents_by_child_uuid(parent_uuid)
if raw_parents is not False:
if len(raw_parents) > 0:
for tree_node, r_parents in raw_parents.items():
p_list = r_parents
break
p_list.insert(0, parent_uuid) # add the 1st parent to the start of the list
context_metadata = {'p_list': p_list}
self.parents[parent_uuid] = context_metadata
else:
context_metadata = self.parents[parent_uuid]
else:
parent_uuid = False
# now get geo and chrono metadata
context_metadata = self.get_geo_chrono_metadata(uuid,
parent_uuid,
context_metadata)
return context_metadata
def generate_save_context_path_from_uuid(self, uuid, do_children=True):
""" Generates and saves a context path for a subject item by uuid """
cache = caches['redis']
cache.clear()
output = False
try:
man_obj = Manifest.objects.get(uuid=uuid,
item_type='subjects')
except Manifest.DoesNotExist:
man_obj = False
if man_obj is not False:
if man_obj.item_type == 'subjects':
output = self.generate_save_context_path_from_manifest_obj(man_obj)
if do_children:
act_contain = Containment()
act_contain.redis_ok = False
# get the contents recusivelhy
contents = act_contain.get_children_by_parent_uuid(uuid, True)
if isinstance(contents, dict):
for tree_node, children in contents.items():
for child_uuid in children:
# do the children, but not recursively since we
# already have a resurive look up of contents
output = self.generate_save_context_path_from_uuid(child_uuid,
False)
return output
def merge_by_uuid(self, delete_uuid, merge_into_uuid):
""" Merges an item. The delete_uuid will be destroyed, but all of it's associated
data will be merged into the 'merge_into_uuid' which will be retained.
Returns a dictionary about what happened
"""
self.delete_uuid = delete_uuid
self.merge_into_uuid = merge_into_uuid
ok_delete = self.prep_delete_uuid(delete_uuid)
ok_merge = self.prep_merge_uuid(merge_into_uuid)
output = {}
output['done'] = False
if ok_delete and ok_merge and delete_uuid != merge_into_uuid:
output['assertions'] = self.alter_assertions(delete_uuid, merge_into_uuid)
output['annotations'] = self.alter_annotations(delete_uuid, merge_into_uuid)
self.delete_self_containment(merge_into_uuid)
cont = Containment()
self.merge_children = cont.get_children_by_parent_uuid(merge_into_uuid,
True)
output['altered_children'] = self.update_children_subjects(self.merge_children)
output['message'] = 'Merged item. Deleted - '
output['message'] += self.delete_manifest_obj.label + '(' + delete_uuid + ')'
output['message'] = ', merged into - '
output['message'] += self.merge_manifest_obj.label + '(' + merge_into_uuid + ')'
self.delete_manifest_obj.delete() # deletes object from the manifest
self.delete_type_records(delete_uuid, self.delete_manifest_obj.item_type)
output['done'] = True
return output
def generate_context_path(self, uuid, include_self=True, delim='/'):
"""
generates a context path for a subject with a given uuid
"""
path = False
act_contain = Containment()
act_contain.redis_ok = False
contexts = []
r_contexts = act_contain.get_parents_by_child_uuid(uuid)
for tree_node, r_parents in r_contexts.items():
# now reverse the list of parent contexts, so top most parent context is first,
# followed by children contexts
contexts = r_parents[::-1]
if(include_self):
contexts.append(uuid)
if(len(contexts) > 0):
path_items = []
for p_uuid in contexts:
try:
act_p = Manifest.objects.get(uuid=p_uuid)
path_items.append(act_p.label)
except Manifest.DoesNotExist:
return False
path = delim.join(path_items)
return path
def get_containment_children(self,
entity_obj,
depth=1,
first_time=True):
""" gets a spatial containment
hierarchy. If the entity_obj.item_type = 'projects'
then the get the project's root parents.
It the entity_obj.item_type is subjects, then get
items containtained by the uuid
"""
cont = Containment()
if entity_obj.item_type == 'projects':
tree = self.make_containment_item(entity_obj)
tree['children'] = []
child_list = cont.get_project_top_level_contexts(entity_obj.uuid)
for child_uuid in child_list:
child_ent = Entity()
found = child_ent.dereference(child_uuid)
if found:
if depth > 1:
child = self.get_containment_children(child_ent,
depth - 1,
False)
else:
child = self.make_containment_item(child_ent)
tree['children'].append(child)
if first_time:
output = []
output.append(tree)
else:
output = tree
elif entity_obj.item_type == 'subjects':
tree = self.make_containment_item(entity_obj)
tree['children'] = []
path_dict = cont.get_children_by_parent_uuid(entity_obj.uuid,
False)
for path_key, child_list in path_dict.items():
for child_uuid in child_list:
child_ent = Entity()
found = child_ent.dereference(child_uuid)
if found:
if depth > 1:
child = self.get_containment_children(child_ent,
depth - 1,
False)
else:
child = self.make_containment_item(child_ent)
tree['children'].append(child)
if first_time:
output = []
output.append(tree)
else:
output = tree
else:
output = []
return output
def get_related_uuids(self, uuid, inclusive=True):
""" gets a list of uuids related to a given uuid
if inclusive, include the UUID passed in the
output list
"""
link_item_types = ['subjects',
'media',
'persons',
'documents',
'projects']
uuids = []
if isinstance(uuid, list):
start_uuids = uuid
else:
start_uuids = [uuid]
for uuid in start_uuids:
try:
m_obj = Manifest.objects.get(uuid=uuid)
except Manifest.DoesNotExist:
m_obj = False
if m_obj is not False:
if inclusive:
uuids.append(m_obj.uuid)
if m_obj.item_type == 'subjects':
act_contain = Containment()
# get the contents recusivelhy
contents = act_contain.get_children_by_parent_uuid(m_obj.uuid, True)
if isinstance(contents, dict):
for tree_node, children in contents.items():
for child_uuid in children:
if child_uuid not in uuids:
uuids.append(child_uuid)
elif m_obj.item_type == 'predicates':
# reindex all of the items described by a given predicate
# this can take a while!
rel_objs = Assertion.objects\
.filter(predicate_uuid=m_obj.uuid)
for rel_item in rel_objs:
if rel_item.uuid not in uuids:
uuids.append(rel_item.uuid)
rel_objs = Assertion.objects\
.filter(uuid=m_obj.uuid,
object_type__in=link_item_types)
for rel_item in rel_objs:
if rel_item.object_uuid not in uuids:
uuids.append(rel_item.object_uuid)
rel_subs = Assertion.objects\
.filter(subject_type__in=link_item_types,
object_uuid=m_obj.uuid)
for rel_item in rel_subs:
if rel_item.object_uuid not in uuids:
uuids.append(rel_item.object_uuid)
return uuids
def check_label_exists_in_scope(self, label):
""" checks to see if a label already exists
within the scope of a project or related context
"""
if self.uuid is False:
uuid_exclude = 'skip'
else:
uuid_exclude = self.uuid
man_list = []
if self.context_uuid is not False:
uuids = []
if self.item_type == 'subjects':
# get items with the same parent context
# that will be the scope for a unique label
cont = Containment()
child_trees = cont.get_children_by_parent_uuid(self.context_uuid)
for tree_key, children in child_trees.items():
for child_uuid in children:
if child_uuid not in uuids:
uuids.append(child_uuid)
else:
# get items (of the same item_type) related to a context
# that will be the scope for a unique label
rel_list = Assertion.objects\
.filter(uuid=self.context_uuid,
object_type=self.item_type)
for rel in rel_list:
if rel.uuid not in uuids:
uuids.append(rel.uuid)
if len(uuids) > 0:
man_list = Manifest.objects\
.filter(project_uuid=self.project_uuid,
label=label,
uuid__in=uuids)\
.exclude(uuid=uuid_exclude)
else:
if self.item_type is not False:
man_list = Manifest.objects\
.filter(project_uuid=self.project_uuid,
label=label,
item_type=self.item_type)\
.exclude(uuid=uuid_exclude)
else:
man_list = Manifest.objects\
.filter(project_uuid=self.project_uuid,
label=label)\
.exclude(uuid=uuid_exclude)
if len(man_list) > 0:
label_exists = man_list[0].uuid
else:
label_exists = False
return label_exists
def check_ok_cluster_for_lone_point(self, uuids, lon, lat):
""" Checks to see if a lone point has enough items
items in it to be considered a good cluster """
cluster_ok = False
uuids = self.make_uuids_list(uuids)
p_geo = Geospace.objects.filter(project_uuid__in=uuids,
latitude=lat,
longitude=lon)[:1]
if len(p_geo) == 1:
subj_uuid = p_geo[0].uuid
cont = Containment()
children = cont.get_children_by_parent_uuid(subj_uuid, True)
if len(children) > 2:
cluster_ok = True
return cluster_ok
def check_ok_cluster_for_lone_point(self, uuids, lon, lat):
""" Checks to see if a lone point has enough items
items in it to be considered a good cluster """
cluster_ok = False
uuids = self.make_uuids_list(uuids)
p_geo = Geospace.objects.filter(project_uuid__in=uuids,
latitude=lat,
longitude=lon)[:1]
if len(p_geo) == 1:
subj_uuid = p_geo[0].uuid
cont = Containment()
children = cont.get_children_by_parent_uuid(subj_uuid, True)
if len(children) > 2:
cluster_ok = True
return cluster_ok
def _get_parent_slug(self, slug):
'''
Takes a slug and returns the slug of its parent. Returns 'root' if
a slug has no parent.
'''
cache_key = self.m_cache.make_cache_key('par-slug', slug)
parent_slug = self.m_cache.get_cache_object(cache_key)
if parent_slug is None:
contain_obj = Containment()
contain_obj.use_cache = False # because it seems to introduce memory errors
parent_slug = contain_obj.get_parent_slug_by_slug(slug)
self.m_cache.save_cache_object(cache_key, parent_slug)
if parent_slug:
return parent_slug
else:
return 'root'
def _get_parent_slug(self, slug):
'''
Takes a slug and returns the slug of its parent. Returns 'root' if
a slug has no parent.
'''
cache_key = self.mem_cache_obj.make_memory_cache_key('par-slug', slug)
parent_slug = self.mem_cache_obj.get_cache_object(cache_key)
if parent_slug is None:
contain_obj = Containment()
contain_obj.use_cache = False # because it seems to introduce memory errors
parent_slug = contain_obj.get_parent_slug_by_slug(slug)
self.mem_cache_obj.save_cache_object(cache_key, parent_slug)
if parent_slug:
return parent_slug
else:
return 'root'
def check_label_exists_in_scope(self, label):
""" checks to see if a label already exists
within the scope of a project or related context
"""
if self.uuid is not False:
uuid_exclude = 'skip'
else:
uuid_exclude = self.uuid
man_list = []
if self.context_uuid is not False:
uuids = []
if self.item_type == 'subjects':
# get items with the same parent context
# that will be the scope for a unique label
cont = Containment()
child_trees = cont.get_children_by_parent_uuid(
self.context_uuid)
for tree_key, children in child_trees.items():
for child_uuid in children:
if child_uuid not in uuids:
uuids.append(child_uuid)
else:
# get items (of the same item_type) related to a context
# that will be the scope for a unique label
rel_list = Assertion.objects\
.filter(uuid=self.context_uuid,
object_type=self.item_type)
for rel in rel_list:
if rel.uuid not in uuids:
uuids.append(rel.uuid)
if len(uuids) > 0:
man_list = Manifest.objects\
.filter(project_uuid=self.project_uuid,
label=label,
uuid__in=uuids)\
.exclude(uuid=uuid_exclude)
else:
man_list = Manifest.objects\
.filter(project_uuid=self.project_uuid,
label=label)\
.exclude(uuid=uuid_exclude)
if len(man_list) > 0:
label_exists = man_list[0].uuid
else:
label_exists = False
return label_exists
def get_geo_chrono_metadata(self, uuid, parent_uuid, context_metadata):
""" gets and saves geo and chrono metadata """
act_contain = Containment()
geo_meta = False
event_meta = False
uuid_geo = Geospace.objects.filter(uuid=uuid)[:1]
if len(uuid_geo) > 0:
geo_meta = uuid_geo[0]
else:
# geo information for this item not found, look to parents
if parent_uuid is not False \
and 'p_list' in context_metadata:
# we have at least 1 parent
if 'p_geo' not in context_metadata:
# no saved geo information in this context path, so look it up
p_list = context_metadata['p_list']
geo_meta = act_contain.get_geochron_from_subject_list(
p_list, 'geo')
context_metadata['p_geo'] = geo_meta
self.parents[parent_uuid] = context_metadata
else:
# we have saved geo information for this context path so use it
geo_meta = context_metadata['p_geo']
uuid_event = Event.objects.filter(uuid=uuid)[:1]
if len(uuid_event) > 0:
event_meta = uuid_event
else:
# chrono information for this item not found, look to parents
if parent_uuid is not False \
and 'p_list' in context_metadata:
# we have at least 1 parent
if 'p_event' not in context_metadata:
# no saved chrono information in this context path, so look it up
p_list = context_metadata['p_list']
event_meta = act_contain.get_geochron_from_subject_list(
p_list, 'event')
context_metadata['p_event'] = event_meta
self.parents[parent_uuid] = context_metadata
else:
# we have saved chrono information for this context path so use it
event_meta = context_metadata['p_event']
context_metadata['geo'] = geo_meta
context_metadata['event'] = event_meta
return context_metadata
def get_containment_parent_slug(slug):
'''Takes a slug and returns the slug of its parent. Returns 'root'
if a slug has no parent.
:param str slug: Slug identifying a subjects item.
'''
m_cache = MemoryCache()
cache_key = m_cache.make_cache_key('contain-par-slug', slug)
parent_slug = m_cache.get_cache_object(cache_key)
if parent_slug is None:
contain_obj = Containment()
# Because it seems to introduce memory errors, turn off
# caching for this class instance.
contain_obj.use_cache = False
parent_slug = contain_obj.get_parent_slug_by_slug(slug)
m_cache.save_cache_object(cache_key, parent_slug)
if parent_slug:
return parent_slug
return 'root'
def get_geo_chrono_metadata(self, uuid, parent_uuid, context_metadata):
""" gets and saves geo and chrono metadata """
act_contain = Containment()
geo_meta = False
event_meta = False
uuid_geo = Geospace.objects.filter(uuid=uuid)[:1]
if len(uuid_geo) > 0:
geo_meta = uuid_geo[0]
else:
# geo information for this item not found, look to parents
if parent_uuid is not False \
and 'p_list' in context_metadata:
# we have at least 1 parent
if 'p_geo' not in context_metadata:
# no saved geo information in this context path, so look it up
p_list = context_metadata['p_list']
geo_meta = act_contain.get_geochron_from_subject_list(p_list, 'geo')
context_metadata['p_geo'] = geo_meta
self.parents[parent_uuid] = context_metadata
else:
# we have saved geo information for this context path so use it
geo_meta = context_metadata['p_geo']
uuid_event = Event.objects.filter(uuid=uuid)[:1]
if len(uuid_event) > 0:
event_meta = uuid_event
else:
# chrono information for this item not found, look to parents
if parent_uuid is not False \
and 'p_list' in context_metadata:
# we have at least 1 parent
if 'p_event' not in context_metadata:
# no saved chrono information in this context path, so look it up
p_list = context_metadata['p_list']
event_meta = act_contain.get_geochron_from_subject_list(p_list, 'event')
context_metadata['p_event'] = event_meta
self.parents[parent_uuid] = context_metadata
else:
# we have saved chrono information for this context path so use it
event_meta = context_metadata['p_event']
context_metadata['geo'] = geo_meta
context_metadata['event'] = event_meta
return context_metadata
def delete_by_uuid(self, delete_uuid):
""" Deletes an item by uuid, returns dictionary object with information about deletion """
self.delete_uuid = delete_uuid
output = {}
output['done'] = False
ok_delete = self.prep_delete_uuid(delete_uuid)
if ok_delete:
if self.delete_manifest_obj.item_type == 'subjects':
cont = Containment()
self.delete_children = cont.get_children_by_parent_uuid(delete_uuid,
True)
cont = Containment()
parents = cont.get_parents_by_child_uuid(delete_uuid, False)
if len(cont.contexts_list) > 0:
parent_uuid = cont.contexts_list[0]
# use the deleted item's parent as the new parent for it's child items
output['containment'] = self.alter_assertions_by_role('subjects',
delete_uuid,
parent_uuid,
Assertion.PREDICATES_CONTAINS)
if ok_delete:
output['assertions'] = self.alter_assertions(delete_uuid, False)
output['annotations'] = self.alter_annotations(delete_uuid, False)
output['altered_children'] = self.update_children_subjects(self.delete_children)
output['message'] = 'Deleted item: ' + self.delete_manifest_obj.label + '(' + delete_uuid + ')'
self.delete_manifest_obj.delete() # deletes object from the manifest
self.delete_type_records(delete_uuid, delete_manifest_obj.item_type)
output['done'] = True
return output
def add_containment_assertion(self, parent_uuid, child_uuid):
""" adds a new spatial containment assertion """
con_exists = Assertion.objects\
.filter(predicate_uuid=Assertion.PREDICATES_CONTAINS,
object_uuid=child_uuid)[:1]
if len(con_exists) < 1:
# child is not contained by something else, so make a containment rel
try:
parent = Manifest.objects.get(uuid=parent_uuid)
except Manifest.DoesNotExist:
parent = False
try:
child = Manifest.objects.get(uuid=child_uuid)
except Manifest.DoesNotExist:
child = False
if parent is not False and child is not False:
if parent.item_type == 'subjects'\
and child.item_type == 'subjects':
con_ass = Assertion()
con_ass.uuid = parent.uuid
con_ass.subject_type = parent.item_type
con_ass.project_uuid = child.project_uuid
con_ass.source_id = self.source_id
con_ass.obs_node = self.contain_obs_node
con_ass.obs_num = self.contain_obs_num
con_ass.sort = self.contain_sort
con_ass.visibility = self.visibility
con_ass.predicate_uuid = Assertion.PREDICATES_CONTAINS
con_ass.object_uuid = child.uuid
con_ass.object_type = child.item_type
con_ass.save()
cont = Containment()
child_children = cont.get_children_by_parent_uuid(child.uuid,
True)
dm = DeleteMerge()
dm.update_children_subjects(child_children)
else:
print('Item already containted in: ' + con_exists[0].uuid)
def add_containment_assertion(self, parent_uuid, child_uuid):
""" adds a new spatial containment assertion """
con_exists = Assertion.objects\
.filter(predicate_uuid=Assertion.PREDICATES_CONTAINS,
object_uuid=child_uuid)[:1]
if len(con_exists) < 1:
# child is not contained by something else, so make a containment rel
try:
parent = Manifest.objects.get(uuid=parent_uuid)
except Manifest.DoesNotExist:
parent = False
try:
child = Manifest.objects.get(uuid=child_uuid)
except Manifest.DoesNotExist:
child = False
if parent is not False and child is not False:
if parent.item_type == 'subjects'\
and child.item_type == 'subjects':
con_ass = Assertion()
con_ass.uuid = parent.uuid
con_ass.subject_type = parent.item_type
con_ass.project_uuid = child.project_uuid
con_ass.source_id = self.source_id
con_ass.obs_node = self.contain_obs_node
con_ass.obs_num = self.contain_obs_num
con_ass.sort = self.contain_sort
con_ass.visibility = self.visibility
con_ass.predicate_uuid = Assertion.PREDICATES_CONTAINS
con_ass.object_uuid = child.uuid
con_ass.object_type = child.item_type
con_ass.save()
cont = Containment()
child_children = cont.get_children_by_parent_uuid(
child.uuid, True)
dm = DeleteMerge()
dm.update_children_subjects(child_children)
else:
print('Item already containted in: ' + con_exists[0].uuid)
def get_geo_event_metadata(self):
""" gets geospatial and event metadata for the item """
if self.is_valid:
act_contain = Containment()
if self.manifest.item_type == 'subjects':
parents = act_contain.get_parents_by_child_uuid(self.manifest.uuid)
subject_list = act_contain.contexts_list
subject_list.insert(0, self.manifest.uuid)
self.geo_meta = act_contain.get_geochron_from_subject_list(subject_list,
'geo')
self.event_meta = act_contain.get_geochron_from_subject_list(subject_list,
'event')
if self.event_meta is not False and self.event_meta is not None:
start = None
stop = None
for event in self.event_meta:
if start is None:
start = event.start
if stop is None:
stop = event.stop
if start < event.start:
start = event.start
if stop > event.stop:
stop = event.stop
if stop is None:
stop = start
if start is not None:
if stop < start:
stop_temp = start
start = stop
stop = stop_temp
# we have a start year, so make a temporal value in ISON 8601 format
self.temporal = ISOyears().make_iso_from_float(start)
if stop != start:
# stop year different from start, so add a / sep and the stop
# year in ISO 8601 format
self.temporal += '/' + ISOyears().make_iso_from_float(stop)
def get_geo_event_metadata(self):
""" gets geospatial and event metadata for the item """
if self.is_valid:
act_contain = Containment()
if self.manifest.item_type == 'subjects':
parents = act_contain.get_parents_by_child_uuid(
self.manifest.uuid)
subject_list = act_contain.contexts_list
subject_list.insert(0, self.manifest.uuid)
self.geo_meta = act_contain.get_geochron_from_subject_list(
subject_list, 'geo')
self.event_meta = act_contain.get_geochron_from_subject_list(
subject_list, 'event')
else:
self.geo_meta = act_contain.get_related_geochron(
self.manifest.uuid, self.manifest.item_type, 'geo')
self.event_meta = act_contain.get_related_geochron(
self.manifest.uuid, self.manifest.item_type, 'event')
if self.event_meta is not False and self.event_meta is not None:
start = None
stop = None
for event in self.event_meta:
if start is None:
start = event.start
if stop is None:
stop = event.stop
if start < event.start:
start = event.start
if stop > event.stop:
stop = event.stop
if stop is None:
stop = start
if start is not None:
if stop < start:
stop_temp = start
start = stop
stop = stop_temp
# we have a start year, so make a temporal value in ISON 8601 format
self.temporal = ISOyears().make_iso_from_float(start)
if stop != start:
# stop year different from start, so add a / sep and the stop
# year in ISO 8601 format
self.temporal += '/' + ISOyears().make_iso_from_float(
stop)
if self.temporal is None and self.manifest.item_type == 'projects':
# get project teporal metadata via solr
# now query Solr for temporal data
cq = CompleteQuery()
payload = {'proj': self.manifest.slug}
ass_metadata = cq.get_json_query(payload, None)
if 'dc-terms:temporal' in ass_metadata:
self.temporal = ass_metadata['dc-terms:temporal']
def generate_save_context_path_from_uuid(self, uuid, do_children=True):
""" Generates and saves a context path for a subject item by uuid """
output = False
try:
man_obj = Manifest.objects.get(uuid=uuid, item_type='subjects')
except Manifest.DoesNotExist:
man_obj = False
if man_obj is not False:
if man_obj.item_type == 'subjects':
output = self.generate_save_context_path_from_manifest_obj(
man_obj)
if do_children:
act_contain = Containment()
# get the contents recusivelhy
contents = act_contain.get_children_by_parent_uuid(
uuid, True)
if isinstance(contents, dict):
for tree_node, children in contents.items():
for child_uuid in children:
# do the children, but not recursively since we
# already have a resurive look up of contents
output = self.generate_save_context_path_from_uuid(
child_uuid, False)
return output
def generate_context_path(self, uuid, include_self=True, delim='/'):
"""
generates a context path for a subject with a given uuid
"""
path = False
act_contain = Containment()
contexts = []
r_contexts = act_contain.get_parents_by_child_uuid(uuid)
for tree_node, r_parents in r_contexts.items():
# now reverse the list of parent contexts, so top most parent context is first,
# followed by children contexts
contexts = r_parents[::-1]
if (include_self):
contexts.append(uuid)
if (len(contexts) > 0):
path_items = []
for p_uuid in contexts:
try:
act_p = Manifest.objects.get(uuid=p_uuid)
path_items.append(act_p.label)
except Manifest.DoesNotExist:
return False
path = delim.join(path_items)
return path
def get_geo_event_metadata(self):
""" gets geospatial and event metadata for the item """
if self.is_valid:
act_contain = Containment()
if self.manifest.item_type == 'subjects':
parents = act_contain.get_parents_by_child_uuid(self.manifest.uuid)
subject_list = act_contain.contexts_list
subject_list.insert(0, self.manifest.uuid)
self.geo_meta = act_contain.get_geochron_from_subject_list(subject_list,
'geo')
self.event_meta = act_contain.get_geochron_from_subject_list(subject_list,
'event')
else:
self.geo_meta = act_contain.get_related_geochron(self.manifest.uuid,
self.manifest.item_type,
'geo')
self.event_meta = act_contain.get_related_geochron(self.manifest.uuid,
self.manifest.item_type,
'event')
if self.event_meta is not False and self.event_meta is not None:
start = None
stop = None
for event in self.event_meta:
if start is None:
start = event.start
if stop is None:
stop = event.stop
if start < event.start:
start = event.start
if stop > event.stop:
stop = event.stop
if stop is None:
stop = start
if start is not None:
if stop < start:
stop_temp = start
start = stop
stop = stop_temp
# we have a start year, so make a temporal value in ISON 8601 format
self.temporal = ISOyears().make_iso_from_float(start)
if stop != start:
# stop year different from start, so add a / sep and the stop
# year in ISO 8601 format
self.temporal += '/' + ISOyears().make_iso_from_float(stop)
if self.temporal is None and self.manifest.item_type == 'projects':
# get project teporal metadata via solr
# now query Solr for temporal data
cq = CompleteQuery()
payload = {'proj': self.manifest.slug}
ass_metadata = cq.get_json_query(payload, None)
if 'dc-terms:temporal' in ass_metadata:
self.temporal = ass_metadata['dc-terms:temporal']
def get_related_uuids(self, uuid, inclusive=True):
""" gets a list of uuids related to a given uuid
if inclusive, include the UUID passed in the
output list
"""
link_item_types = ['subjects',
'media',
'persons',
'documents',
'projects']
uuids = []
if isinstance(uuid, list):
start_uuids = uuid
else:
start_uuids = [uuid]
for uuid in start_uuids:
try:
m_obj = Manifest.objects.get(uuid=uuid)
except Manifest.DoesNotExist:
m_obj = False
if m_obj is not False:
if inclusive:
uuids.append(m_obj.uuid)
if m_obj.item_type == 'subjects':
act_contain = Containment()
# get the contents recusivelhy
contents = act_contain.get_children_by_parent_uuid(m_obj.uuid, True)
if isinstance(contents, dict):
for tree_node, children in contents.items():
for child_uuid in children:
if child_uuid not in uuids:
uuids.append(child_uuid)
elif m_obj.item_type == 'predicates':
# reindex all of the items described by a given predicate
# this can take a while!
rel_objs = Assertion.objects\
.filter(predicate_uuid=m_obj.uuid)
for rel_item in rel_objs:
if rel_item.uuid not in uuids:
uuids.append(rel_item.uuid)
elif m_obj.item_type == 'types':
# reindex all of the items described by a given predicate
# this can take a while!
rel_objs = Assertion.objects\
.filter(object_uuid=m_obj.uuid)
for rel_item in rel_objs:
if rel_item.uuid not in uuids:
uuids.append(rel_item.uuid)
rel_objs = Assertion.objects\
.filter(uuid=m_obj.uuid,
object_type__in=link_item_types)
for rel_item in rel_objs:
if rel_item.object_uuid not in uuids:
uuids.append(rel_item.object_uuid)
rel_subs = Assertion.objects\
.filter(subject_type__in=link_item_types,
object_uuid=m_obj.uuid)
for rel_item in rel_subs:
if rel_item.object_uuid not in uuids:
uuids.append(rel_item.object_uuid)
return uuids
def suggest_valid_label(self, prefix, num_id_len=False, label_increment=1):
""" Suggests a valid label,
unique for the whole project or
for a context
"""
if self.uuid is not False:
uuid_exclude = 'skip'
else:
uuid_exclude = self.uuid
man_list = []
if self.context_uuid is not False:
uuids = []
if self.item_type == 'subjects':
# get items with the same parent context
# that will be the scope for a unique label
cont = Containment()
cont.get_children_by_parent_uuid(self.context_uuid)
for tree_key, children in cont.contents.items():
for child_uuid in children:
if child_uuid not in uuids:
uuids.append(child_uuid)
else:
# get items (of the same item_type) related to a context
# that will be the scope for a unique label
rel_list = Assertion.objects\
.filter(uuid=self.context_uuid,
object_type=self.item_type)
for rel in rel_list:
if rel.uuid not in uuids:
uuids.append(rel.uuid)
if len(uuids) > 0:
if len(prefix) < 1:
man_list = Manifest.objects\
.filter(project_uuid=self.project_uuid,
uuid__in=uuids)\
.exclude(uuid=uuid_exclude)\
.order_by('-label')
else:
man_list = Manifest.objects\
.filter(project_uuid=self.project_uuid,
label__startswith=prefix,
uuid__in=uuids)\
.exclude(uuid=uuid_exclude)\
.order_by('-label')
else:
# print('Params: ' + self.project_uuid + ', ' + self.item_type + ', ' + prefix);
if len(prefix) < 1:
man_list = Manifest.objects\
.filter(project_uuid=self.project_uuid,
item_type=self.item_type)\
.exclude(uuid=uuid_exclude)\
.order_by('-label')[:1]
else:
man_list = Manifest.objects\
.filter(project_uuid=self.project_uuid,
label__startswith=prefix,
item_type=self.item_type)\
.exclude(uuid=uuid_exclude)\
.order_by('-label')[:1]
if len(man_list) > 0:
# print('Checking: ' + man_list[0].label)
if len(prefix) > 0:
label_id_part = man_list[0].label.replace(prefix, '')
else:
label_id_part = man_list[0].label
vals = []
# get the numbers out
q_nums_strs = re.findall(r'[-+]?\d*\.\d+|\d+', label_id_part)
for q_num_str in q_nums_strs:
vals.append(q_num_str)
try:
last_id = float(''.join(vals))
except:
last_id = 0
new_id = last_id + label_increment
else:
new_id = label_increment
new_label = prefix + self.prepend_zeros(new_id, num_id_len)
new_label_exists = self.check_label_exists_in_scope(new_label)
if new_label_exists is not False:
# despite our best efforts, we made a new label that already exists
# try again
self.recusion_count += 1
label_increment += 1
if self.recusion_count <= 20:
# do this recursively to make a new label
new_label = self.suggest_valid_label(prefix, num_id_len,
label_increment)
return new_label
def suggest_valid_label(self,
prefix,
num_id_len=False,
label_increment=1):
""" Suggests a valid label,
unique for the whole project or
for a context
"""
if self.uuid is not False:
uuid_exclude = 'skip'
else:
uuid_exclude = self.uuid
man_list = []
if self.context_uuid is not False:
uuids = []
if self.item_type == 'subjects':
# get items with the same parent context
# that will be the scope for a unique label
cont = Containment()
cont.get_children_by_parent_uuid(self.context_uuid)
for tree_key, children in cont.contents.items():
for child_uuid in children:
if child_uuid not in uuids:
uuids.append(child_uuid)
else:
# get items (of the same item_type) related to a context
# that will be the scope for a unique label
rel_list = Assertion.objects\
.filter(uuid=self.context_uuid,
object_type=self.item_type)
for rel in rel_list:
if rel.uuid not in uuids:
uuids.append(rel.uuid)
if len(uuids) > 0:
if len(prefix) < 1:
man_list = Manifest.objects\
.filter(project_uuid=self.project_uuid,
uuid__in=uuids)\
.exclude(uuid=uuid_exclude)\
.order_by('-label')
else:
man_list = Manifest.objects\
.filter(project_uuid=self.project_uuid,
label__startswith=prefix,
uuid__in=uuids)\
.exclude(uuid=uuid_exclude)\
.order_by('-label')
else:
# print('Params: ' + self.project_uuid + ', ' + self.item_type + ', ' + prefix);
if len(prefix) < 1:
man_list = Manifest.objects\
.filter(project_uuid=self.project_uuid,
item_type=self.item_type)\
.exclude(uuid=uuid_exclude)\
.order_by('-label')[:1]
else:
man_list = Manifest.objects\
.filter(project_uuid=self.project_uuid,
label__startswith=prefix,
item_type=self.item_type)\
.exclude(uuid=uuid_exclude)\
.order_by('-label')[:1]
if len(man_list) > 0:
# print('Checking: ' + man_list[0].label)
if len(prefix) > 0:
label_id_part = man_list[0].label.replace(prefix, '')
else:
label_id_part = man_list[0].label
vals = []
# get the numbers out
q_nums_strs = re.findall(r'[-+]?\d*\.\d+|\d+', label_id_part)
for q_num_str in q_nums_strs:
vals.append(q_num_str)
try:
last_id = float(''.join(vals))
except:
last_id = 0
new_id = last_id + label_increment
else:
new_id = label_increment
new_label = prefix + self.prepend_zeros(new_id, num_id_len)
new_label_exists = self.check_label_exists_in_scope(new_label)
if new_label_exists is not False:
# despite our best efforts, we made a new label that already exists
# try again
self.recusion_count += 1
label_increment += 1
if self.recusion_count <= 20:
# do this recursively to make a new label
new_label = self.suggest_valid_label(prefix,
num_id_len,
label_increment)
return new_label
def get_spatial_temporal_context(self):
""" gets the item spatial context """
act_contain = Containment()
if self.manifest.item_type == 'subjects':
# get item geospatial and chronological metadata if subject item
# will do it differently if not a subject item
parents = act_contain.get_parents_by_child_uuid(self.manifest.uuid)
self.contexts = parents
# prepare a list of contexts (including the current item) to check for
# geospatial and event / chronology metadata
subject_list = act_contain.contexts_list
subject_list.insert(0, self.manifest.uuid)
self.geo_meta = act_contain.get_geochron_from_subject_list(
subject_list, 'geo')
self.temporal_meta = act_contain.get_geochron_from_subject_list(
subject_list, 'temporal')
self.event_meta = act_contain.get_geochron_from_subject_list(
subject_list, 'event')
# now get any children items, contained in this "subjects" item
act_contain = Containment()
self.contents = act_contain.get_children_by_parent_uuid(
self.manifest.uuid)
else:
parents = act_contain.get_related_context(self.manifest.uuid)
self.contexts = False
self.linked_contexts = parents
if self.manifest.item_type == 'projects':
# get project metadata objects directly
pm = ProjectMeta()
project = self.item_gen_cache.get_project_model_object(
self.manifest.uuid)
sub_projects = self.item_gen_cache.get_project_subprojects(
self.manifest.uuid)
if project is not None:
if isinstance(project.meta_json, dict):
if Project.META_KEY_GEO_SPECIFICITY in project.meta_json:
# the project has some default geographic specificity noted
# use this value when making geo_meta
pm.project_specificity = project.meta_json[
Project.META_KEY_GEO_SPECIFICITY]
self.geo_meta = pm.get_project_geo_from_db(self.manifest.uuid)
if self.geo_meta is False:
# make geospatial metadata for the project, and sub-projects if they exist
pm.make_geo_meta(self.manifest.uuid, sub_projects)
self.geo_meta = pm.geo_objs
act_contain = Containment()
if self.geo_meta is False:
self.geo_meta = act_contain.get_related_geochron(
self.manifest.uuid, self.manifest.item_type, 'geo')
if self.temporal_meta is False:
self.temporal_meta = act_contain.get_related_geochron(
self.manifest.uuid, self.manifest.item_type, 'temporal')
if self.temporal_meta is False:
# now look in the project for temporal metadata
self.temporal_meta = act_contain.get_temporal_from_project(
self.manifest.project_uuid)
if self.event_meta is False:
self.event_meta = act_contain.get_related_geochron(
self.manifest.uuid, self.manifest.item_type, 'event')
