Beispiel #1
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def archival_storage_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 send_file(request, extracted_file_path)
Beispiel #2
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def archival_storage_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 send_file(request, thumbnail_path)
Beispiel #3
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def transfer_file_download(request, uuid):
    # get file basename
    try:
        file = models.File.objects.get(uuid=uuid)
    except:
        raise Http404

    file_basename = os.path.basename(file.currentlocation)
    shared_directory_path = helpers.get_server_config_value('sharedDirectory')
    transfer = models.Transfer.objects.get(uuid=file.transfer.uuid)
    path_to_transfer = transfer.currentlocation.replace('%sharedPath%', shared_directory_path)
    path_to_file = file.currentlocation.replace('%transferDirectory%', path_to_transfer)
    return send_file(request, path_to_file)
Beispiel #4
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def transfer_file_download(request, uuid):
    # get file basename
    try:
        file = models.File.objects.get(uuid=uuid)
    except:
        raise Http404

    file_basename = os.path.basename(file.currentlocation)
    shared_directory_path = helpers.get_server_config_value('sharedDirectory')
    transfer = models.Transfer.objects.get(uuid=file.transfer.uuid)
    path_to_transfer = transfer.currentlocation.replace(
        '%sharedPath%', shared_directory_path)
    path_to_file = file.currentlocation.replace('%transferDirectory%',
                                                path_to_transfer)
    return send_file(request, path_to_file)
Beispiel #5
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def archival_storage_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 send_file(request, extracted_file_path)
Beispiel #6
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def archival_storage_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 send_file(request, thumbnail_path)
Beispiel #7
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def archival_storage_aip_download(request, uuid):
    aip = elasticSearchFunctions.connect_and_get_aip_data(uuid)
    return send_file(request, aip.filePath)
Beispiel #8
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def archival_storage_sip_download(request, path):
    full_path = os.path.join(os.path.dirname(AIPSTOREPATH), path)
    return send_file(request, full_path)
Beispiel #9
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def archival_storage_aip_download(request, uuid):
    aip = elasticSearchFunctions.connect_and_get_aip_data(uuid)
    return send_file(request, aip.filePath)