All autogenerated inputs should not be hashed.

Author: chrisgorgo

nipype/interfaces/base.py

@@ -496,7 +496,7 @@ def get_hashval(self, hash_method=None):
                 trait = self.trait(name)
                 if has_metadata(trait.trait_type, "nohash", True):
                     continue
-                hash_files = not has_metadata(trait.trait_type, "hash_files", False)
+                hash_files = not has_metadata(trait.trait_type, "hash_files", False) and not has_metadata(trait.trait_type, "name_source")
                 dict_nofilename[name] = self._get_sorteddict(val, hash_method=hash_method, hash_files=hash_files)
                 dict_withhash[name] = self._get_sorteddict(val, True, hash_method=hash_method, hash_files=hash_files)
         return (dict_withhash, md5(str(dict_nofilename)).hexdigest())

nipype/interfaces/traits_extension.py

@@ -230,12 +230,12 @@ def length(self):
 def isdefined(object):
     return not isinstance(object, _Undefined)
 
-def has_metadata(trait, metadata, value, recursive=True):
+def has_metadata(trait, metadata, value=None, recursive=True):
     '''
-    Checks if a given trait has a metadata set to particular value
+    Checks if a given trait has a metadata (and optionally if it is set to particular value)
     '''
     count = 0
-    if hasattr(trait, metadata) and getattr(trait, metadata) == value:
+    if hasattr(trait, metadata) and (getattr(trait, metadata) == value or value==None):
         count += 1
     if recursive:
         if hasattr(trait, 'inner_traits'):