List of extensions

MDAnalysis uses lots of extensions, below is a list of them and their readiness for Python 3

Extension	Description	Language	Python 3 ready?	Solved in
coordinates._dcd	DCD format reader	CPython	No (Cpython api changed)	done
coordinates.dcdtimeseries	Timeseries for DCD	Cpython	No (as above)	removed
lib._distances	Distance calculations	C / Cython	Yes?	done
lib._distances_openmp	Parallel of above	C / Cython	Yes?	done
lib.parallel.distances	More parallel distances	Cython	Yes??	#530
lib.qcprot	RMSD via QCP	Cython	Yes?	done
lib._transformations	Coordinate transformations	C/CPython	Probably (#401)	done
lib.KDTree._KDTree	KDTree for distance searches	CPP/SWIG	yes (originally no #383)	395 (now using Biophyton)
coordinates.xdrfile	Gromacs format reader	C/Swig	No (#211)	441