def handle_perform_indexing(start):
json_args = start.arguments
target = json_args.get('target', 'frames')
if 'index' in json_args:
index_name = json_args['index']
visual_index, di = indexing.Indexers.get_index_by_name(index_name)
else:
visual_index, di = indexing.Indexers.get_index_by_pk(
json_args['indexer_pk'])
sync = True
if target == 'query':
local_path = task_shared.download_and_get_query_path(start)
vector = visual_index.apply(local_path)
# TODO: figure out a better way to store numpy arrays.
s = io.BytesIO()
np.save(s, vector)
redis_client.set("query_vector_{}".format(start.pk), s.getvalue())
sync = False
elif target == 'query_regions':
queryset, target = task_shared.build_queryset(args=start.arguments)
region_paths = task_shared.download_and_get_query_region_path(
start, queryset)
for i, dr in enumerate(queryset):
local_path = region_paths[i]
vector = visual_index.apply(local_path)
s = io.BytesIO()
np.save(s, vector)
redis_client.hset("query_region_vectors_{}".format(start.pk),
dr.pk, s.getvalue())
sync = False
elif target == 'regions':
# For regions simply download/ensure files exists.
queryset, target = task_shared.build_queryset(args=start.arguments,
video_id=start.video_id)
task_shared.ensure_files(queryset, target)
indexing.Indexers.index_queryset(di, visual_index, start, target,
queryset)
elif target == 'frames':
queryset, target = task_shared.build_queryset(args=start.arguments,
video_id=start.video_id)
if visual_index.cloud_fs_support and settings.ENABLE_CLOUDFS:
# if NFS is disabled and index supports cloud file systems natively (e.g. like Tensorflow)
indexing.Indexers.index_queryset(di,
visual_index,
start,
target,
queryset,
cloud_paths=True)
else:
# Otherwise download and ensure that the files exist
task_shared.ensure_files(queryset, target)
indexing.Indexers.index_queryset(di, visual_index, start, target,
queryset)
return sync
def cache_path(path, payload=None, expire_in_seconds=600):
if not path.startswith('/'):
path = "/{}".format(path)
if cacheable(path):
if payload is None:
with open('{}{}'.format(settings.MEDIA_ROOT, path), 'rb') as body:
redis_client.set(path, body.read(), ex=expire_in_seconds, nx=True)
else:
redis_client.set(path, payload, ex=expire_in_seconds, nx=True)
return True
else:
return False
def cache_path(path, expire_in_seconds=120):
"""
:param path:
:return:
"""
if not path.startswith('/'):
path = "/{}".format(path)
if cacheable(path):
with open('{}{}'.format(settings.MEDIA_ROOT, path), 'rb') as body:
redis_client.set(path, body.read(), ex=expire_in_seconds, nx=True)
return True
else:
return False
def handle_perform_indexing(start):
json_args = start.arguments
target = json_args.get('target', 'frames')
if 'index' in json_args:
index_name = json_args['index']
visual_index, di = indexing.Indexers.get_index_by_name(index_name)
else:
visual_index, di = indexing.Indexers.get_index_by_pk(json_args['indexer_pk'])
sync = True
if target == 'query':
local_path = task_shared.download_and_get_query_path(start)
vector = visual_index.apply(local_path)
# TODO: figure out a better way to store numpy arrays.
s = io.BytesIO()
np.save(s, vector)
redis_client.set(start.pk, s.getvalue())
sync = False
elif target == 'query_regions':
queryset, target = task_shared.build_queryset(args=start.arguments)
region_paths = task_shared.download_and_get_query_region_path(start, queryset)
for i, dr in enumerate(queryset):
local_path = region_paths[i]
vector = visual_index.apply(local_path)
s = io.BytesIO()
np.save(s, vector)
# can be replaced by Redis instead of using DB
redis_client.hset(start.pk, dr.pk, s.getvalue())
_ = models.QueryRegionIndexVector.objects.create(vector=s.getvalue(), event=start, query_region=dr)
sync = False
elif target == 'regions':
# For regions simply download/ensure files exists.
queryset, target = task_shared.build_queryset(args=start.arguments, video_id=start.video_id)
task_shared.ensure_files(queryset, target)
indexing.Indexers.index_queryset(di, visual_index, start, target, queryset)
elif target == 'frames':
queryset, target = task_shared.build_queryset(args=start.arguments, video_id=start.video_id)
if visual_index.cloud_fs_support and settings.ENABLE_CLOUDFS and (not settings.KUBE_MODE):
# TODO Re-enable this in Kube Mode when issues with GCS are resolved.
# if NFS is disabled and index supports cloud file systems natively (e.g. like Tensorflow)
indexing.Indexers.index_queryset(di, visual_index, start, target, queryset, cloud_paths=True)
else:
# Otherwise download and ensure that the files exist
task_shared.ensure_files(queryset, target)
indexing.Indexers.index_queryset(di, visual_index, start, target, queryset)
return sync
