apps/archive/utils.py

   1 from hashlib import sha1
   2 from django.core.files.uploadedfile import UploadedFile
   3
   4
   5 class ExistingFile(UploadedFile):
   6
   7     def __init__(self, path, *args, **kwargs):
   8         self.path = path
   9         return super(ExistingFile, self).__init__(*args, **kwargs)
  10
  11     def temporary_file_path(self):
  12         return self.path
  13
  14     def close(self):
  15         pass
  16
  17
  18 def sha1_file(f):
  19     sha = sha1()
  20     for piece in iter(lambda: f.read(1024*1024), ''):
  21         sha.update(piece)
  22     return sha.hexdigest()