@spiceErrorCheck<EOL>def dasopr(fname):
fname = stypes.stringToCharP(fname)<EOL>handle = ctypes.c_int()<EOL>libspice.dasopr_c(fname, ctypes.byref(handle))<EOL>return handle.value<EOL>
Open a DAS file for reading.

http://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/dasopr_c.html

:param fname: Name of a DAS file to be opened.
:type fname: str
:return: Handle assigned to the opened DAS file.
:rtype: int