# Copyright 2011-2014 Biomedical Imaging Group Rotterdam, Departments of
# Medical Informatics and Radiology, Erasmus MC, Rotterdam, The Netherlands
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import os
from fastr.datatypes import URLType
from fastr.utils.checksum import hashsum
class FilePrefix(URLType):
description = 'Prefix for another file, including the path'
extension = None # Explicitly have no extension
def _validate(value):
value = value.value
return os.path.isdir(os.path.dirname(value))
def _parse(self):
return self.value
[docs] def checksum(self):
return hashsum(self.value)