Commit 4a2a17bf authored by Zhang Xin's avatar Zhang Xin
Browse files

last issue commplement

parent c3644f3e

survey_sim/ephemeris/_utils.py

0 → 100644
+21 −0
Original line number Diff line number Diff line 
import importlib_resources as pkg_resources

import platform

import ctypes





def importEphemerisLib():

    jplDataFn = str(

        pkg_resources.files("survey_sim.ephemeris.data").joinpath("jpl.405")

    )

    libFn = str(

        pkg_resources.files("survey_sim.ephemeris.data").joinpath("ephJPLDE405.dylib")

    )

    if platform.system() == "Linux":

        libFn = str(

            pkg_resources.files("survey_sim.ephemeris.data").joinpath("ephJPLDE405.so")

        )



    d = ctypes.CDLL(libFn)

    d.loadEphFile.argtypes = [ctypes.c_char_p]

    d.loadEphFile(str.encode(jplDataFn))

    return d