validator.py

   1 import os
   2 from zeroinstall.injector import model
   3 from zeroinstall.injector.reader import InvalidInterface, update
   4 import tempfile
   5 from logging import warn
   6
   7 def check(data):
   8         fd, tmp_name = tempfile.mkstemp(prefix = '0publish-validate-')
   9         os.close(fd)
  10         tmp_iface = model.Interface(tmp_name)
  11         try:
  12                 tmp_file = file(tmp_name, 'w')
  13                 tmp_file.write(data)
  14                 tmp_file.close()
  15                 try:
  16                         update(tmp_iface, tmp_name, local = True)
  17                         return True
  18                 except InvalidInterface, ex:
  19                         raise
  20                 except Exception, ex:
  21                         warn("Internal error", ex)
  22                         raise InvalidInterface(str(ex))
  23         finally:
  24                 os.unlink(tmp_name)