Merge branch 'label' into 'master'

Add padfile to label. Useful for deeplearning

See merge request !25

bob/pad/base/__init__.py

@@ -6,6 +6,23 @@ from . import evaluation
 from . import script
 from . import test
 
+
+def padfile_to_label(padfile):
+  """Returns an integer presenting the label of the current sample.
+
+  Parameters
+  ----------
+  padfile : :any:`bob.pad.base.database.PadFile`
+      A pad file.
+
+  Returns
+  -------
+  bool
+      True (1) if it is a bona-fide sample, False (O) otherwise.
+  """
+  return padfile.attack_type is None
+
+
 def get_config():
   """Returns a string containing the configuration information.
   """