Fix: GiftiImage should use get_/set_filename

Author: Ben Cipollini

nibabel/gifti/gifti.py

@@ -530,7 +530,7 @@ def getArraysFromIntent(self, intent):
 
     def print_summary(self):
         print('----start----')
-        print('Source filename: ', self.filename)
+        print('Source filename: ', self.get_filename())
         print('Number of data arrays: ', self.numDA)
         print('Version: ', self.version)
         if self.meta is not None:

nibabel/xmlbasedimages.py

@@ -116,5 +116,7 @@ def from_file_map(klass, file_map):
         img : GiftiImage
             Returns a GiftiImage
          """
-        return parser.parse(
+        img = klass.parser().parse(
             fptr=file_map['image'].get_prepare_fileobj('rb'))
+        img.set_filename(file_map['image'].filename)
+        return img