def get_psrcat(): get_package.get_package(psrcat_url,psrcat_name,psrcat_size)
def get_pgplot(): get_package.get_package(pgplot52_url, pgplot52_name, pgplot52_size)
def get_pgplot(): get_package.get_package(pgplot52_url,pgplot52_name,pgplot52_size)
def get_calceph(): get_package.get_package(calceph_url, calceph_name, calceph_size)
def get_calceph(): get_package.get_package(calceph_url,calceph_name,calceph_size)