def aip_file_download(request, uuid):
# get file basename
file = models.File.objects.get(uuid=uuid)
file_basename = os.path.basename(file.currentlocation)
# get file's AIP's properties
sipuuid = helpers.get_file_sip_uuid(uuid)
aip = elasticSearchFunctions.connect_and_get_aip_data(sipuuid)
aip_filepath = aip.filePath
# create temp dir to extract to
temp_dir = tempfile.mkdtemp()
# work out path components
aip_archive_filename = os.path.basename(aip_filepath)
subdir = os.path.splitext(aip_archive_filename)[0]
path_to_file_within_aip_data_dir \
= os.path.dirname(file.originallocation.replace('%transferDirectory%', ''))
file_relative_path = os.path.join(subdir, 'data',
path_to_file_within_aip_data_dir,
file_basename)
#return HttpResponse('7za e -o' + temp_dir + ' ' + aip_filepath + ' ' + file_relative_path)
# extract file from AIP
command_data = [
'7za', 'e', '-o' + temp_dir, aip_filepath, file_relative_path
]
subprocess.call(command_data)
# send extracted file
extracted_file_path = os.path.join(temp_dir, file_basename)
return helpers.send_file(request, extracted_file_path)
def aip_file_download(request, uuid):
# get file basename
file = models.File.objects.get(uuid=uuid)
file_basename = os.path.basename(file.currentlocation)
# get file's AIP's properties
sipuuid = helpers.get_file_sip_uuid(uuid)
es_client = elasticSearchFunctions.get_client()
aip = elasticSearchFunctions.get_aip_data(es_client, sipuuid, fields='uuid,name,filePath,size,origin,created')
aip_filepath = aip['fields']['filePath'][0]
# work out path components
aip_archive_filename = os.path.basename(aip_filepath)
# splittext doesn't deal with double extensions, so special-case .tar.bz2
if aip_archive_filename.endswith('.tar.bz2'):
subdir = aip_archive_filename[:-8]
else:
subdir = os.path.splitext(aip_archive_filename)[0]
# Strip %Directory% from the path
path_to_file_within_aip_data_dir = os.path.dirname(file.currentlocation.replace('%transferDirectory%', '').replace('%SIPDirectory%', ''))
file_relative_path = os.path.join(
subdir,
'data',
path_to_file_within_aip_data_dir,
file_basename
)
redirect_url = storage_service.extract_file_url(aip['fields']['uuid'][0], file_relative_path)
return helpers.stream_file_from_storage_service(redirect_url, 'Storage service returned {}; check logs?')
def send_thumbnail(request, fileuuid):
# get AIP location to use to find root of AIP storage
sipuuid = helpers.get_file_sip_uuid(fileuuid)
aip = elasticSearchFunctions.connect_and_get_aip_data(sipuuid)
aip_filepath = aip.filePath
# strip path to AIP from root of AIP storage
for index in range(1, 10):
aip_filepath = os.path.dirname(aip_filepath)
# derive thumbnail path
thumbnail_path = os.path.join(
aip_filepath,
'thumbnails',
sipuuid,
fileuuid + '.jpg'
)
# send "blank" thumbnail if one exists:
# Because thumbnails aren't kept in ElasticSearch they can be queried for,
# during searches, from multiple dashboard servers.
# Because ElasticSearch don't know if a thumbnail exists or not, this is
# a way of not causing visual disruption if a thumbnail doesn't exist.
if not os.path.exists(thumbnail_path):
thumbnail_path = os.path.join(settings.BASE_PATH, 'media/images/1x1-pixel.png')
return helpers.send_file(request, thumbnail_path)
def send_thumbnail(request, fileuuid):
# get AIP location to use to find root of AIP storage
sipuuid = helpers.get_file_sip_uuid(fileuuid)
thumbnail_path = os.path.join(settings.SHARED_DIRECTORY, 'www',
'thumbnails', sipuuid, fileuuid + '.jpg')
# send "blank" thumbnail if one exists:
# Because thumbnails aren't kept in ElasticSearch they can be queried for,
# during searches, from multiple dashboard servers.
# Because ElasticSearch don't know if a thumbnail exists or not, this is
# a way of not causing visual disruption if a thumbnail doesn't exist.
if not os.path.exists(thumbnail_path):
thumbnail_path = os.path.join(settings.BASE_PATH,
'media/images/1x1-pixel.png')
return helpers.send_file(request, thumbnail_path)
def aip_file_download(request, uuid):
# get file basename
file = models.File.objects.get(uuid=uuid)
file_basename = os.path.basename(file.currentlocation)
# get file's AIP's properties
sipuuid = helpers.get_file_sip_uuid(uuid)
aip = elasticSearchFunctions.connect_and_get_aip_data(sipuuid)
aip_filepath = aip.filePath
# create temp dir to extract to
temp_dir = tempfile.mkdtemp()
# work out path components
aip_archive_filename = os.path.basename(aip_filepath)
subdir = os.path.splitext(aip_archive_filename)[0]
path_to_file_within_aip_data_dir \
= os.path.dirname(file.originallocation.replace('%transferDirectory%', ''))
file_relative_path = os.path.join(
subdir,
'data',
path_to_file_within_aip_data_dir,
file_basename
)
#return HttpResponse('7za e -o' + temp_dir + ' ' + aip_filepath + ' ' + file_relative_path)
# extract file from AIP
command_data = [
'7za',
'e',
'-o' + temp_dir,
aip_filepath,
file_relative_path
]
subprocess.call(command_data)
# send extracted file
extracted_file_path = os.path.join(temp_dir, file_basename)
return helpers.send_file(request, extracted_file_path)
def send_thumbnail(request, fileuuid):
# get AIP location to use to find root of AIP storage
sipuuid = helpers.get_file_sip_uuid(fileuuid)
aip = elasticSearchFunctions.connect_and_get_aip_data(sipuuid)
aip_filepath = aip.filePath
# strip path to AIP from root of AIP storage
for index in range(1, 10):
aip_filepath = os.path.dirname(aip_filepath)
# derive thumbnail path
thumbnail_path = os.path.join(aip_filepath, 'thumbnails', sipuuid,
fileuuid + '.jpg')
# send "blank" thumbnail if one exists:
# Because thumbnails aren't kept in ElasticSearch they can be queried for,
# during searches, from multiple dashboard servers.
# Because ElasticSearch don't know if a thumbnail exists or not, this is
# a way of not causing visual disruption if a thumbnail doesn't exist.
if not os.path.exists(thumbnail_path):
thumbnail_path = os.path.join(settings.BASE_PATH,
'media/images/1x1-pixel.png')
return helpers.send_file(request, thumbnail_path)