def download_data_set(request, data_set_id, what, file_ext):
us = get_session(request)
data_sets = DataSet.get_common_data_sets() if us is None else us.get_all_allowed_dataset_set()
if what == 'reference':
data_set_id, file_ext = DataSet.split_seq_ext(data_set_id + file_ext)
try:
ds = data_sets.get(dirname=data_set_id)
except DataSet.DoesNotExist:
return HttpResponseNotFound('Data set %s was not found' % data_set_id)
if what == 'reference':
fpath = os.path.join(ds.get_dirpath(), ds.reference_fname)
if DataSet.split_seq_ext(fpath)[1] != file_ext:
return HttpResponseNotFound()
return __download(fpath, data_set_id + file_ext)
else:
if what == 'genes':
fpath = os.path.join(ds.get_dirpath(), ds.genes_fname)
elif what == 'operons':
fpath = os.path.join(ds.get_dirpath(), ds.operons_fname)
else:
return HttpResponseNotFound()
if DataSet.split_genes_ext(fpath)[1] != file_ext:
return HttpResponseNotFound()
return __download(fpath, data_set_id + '_' + what + file_ext)
