1 from yams.buildobjs import EntityType, String, Bytes, RichString

     2 

     3 

     4 class File(EntityType):

     5     """a downloadable file which may contains binary data"""

     6     title = String(fulltextindexed=True, maxsize=256)

     7     data = Bytes(required=True, description='file to upload')

     8     data_format = String(

     9         required=True, maxsize=128,

    10         description=('MIME type of the file. Should be dynamically set '

    11                      'at upload time.'))

    12     data_encoding = String(

    13         maxsize=32,

    14         description=('encoding of the file when it applies (e.g. text). '

    15                      'Should be dynamically set at upload time.'))

    16     data_name = String(

    17         required=True, fulltextindexed=True,

    18         description=('name of the file. Should be dynamically set '

    19                      'at upload time.'))

    20     data_hash = String(

    21         maxsize=256,  # max len of currently available hash alg + prefix is 140

    22         description=('hash of the file. May be set at upload time.'),

    23         __permissions__={'read': ('managers', 'users', 'guests'),

    24                          'add': (),

    25                          'update': ()})

    26     description = RichString(fulltextindexed=True, internationalizable=True,

    27                              default_format='text/rest')