making hugin work with different versions

localization/sparse_mapping/tools/generate_hugin.py

@@ -112,7 +112,14 @@ def main():
 
  if args.input_hugin is not None:
  # read the pto file into the Panorama object
- p.ReadPTOFile(args.input_hugin)
+ # Accomodate hugin changing API
+ try:
+ # Attempt the first method
+ ifs = ifstream(args.input_hugin)
+ p.readData(ifs)
+ except AttributeError:
+ # Fallback to the second method if the first method fails
+ p.ReadPTOFile(args.input_hugin)
  # don't need anymore
  del ifs
 
@@ -132,9 +139,14 @@ def main():
  p.addImage(srcImage)
 
  # write the modified panorama to that stream
- p.WritePTOFile(output_hugin)
- # done with it
- del ofs
+ # Accomodate hugin changing API
+ try:
+ # Attempt the first method
+ ofs = ofstream(output_hugin)
+ p.writeData(ofs)
+ except AttributeError:
+ # Fallback to the second method if the first method fails
+ p.WritePTOFile(output_hugin)
 
 
 if __name__ == "__main__":