added some better logging for kernel downloading issues

spiceypy/tests/gettestkernels.py

@@ -2,10 +2,13 @@
 import time
 import six.moves.urllib as urllib
 
+# note this gets updated
+currentLSK = 'naif0012.tls'
+
 standardKernelList = ['pck00010.tpc',
                       'de421.bsp',
                       'gm_de431.tpc',
-                      'naif0012.tls']
+                      currentLSK ]
 cwd = os.path.realpath(os.path.dirname(__file__))
 
 
@@ -34,6 +37,8 @@ def attemptDownload(url, kernelName, targetFileName, num_attempts):
         current_attempt += 1
         print("\t Attempting to Download kernel again...")
         time.sleep(2 + current_attempt)
+    if current_attempt >= num_attempts:
+        raise BaseException("Error Downloading kernel: {}, check if kernel exists at url: {}".format(kernelName, url))
 
 
 def getKernelNameFromURL(url):
@@ -45,7 +50,7 @@ def getStandardKernels():
     kernelURLlist = ['http://naif.jpl.nasa.gov/pub/naif/generic_kernels/pck/pck00010.tpc',
                      'http://naif.jpl.nasa.gov/pub/naif/generic_kernels/spk/planets/a_old_versions/de421.bsp',
                      'http://naif.jpl.nasa.gov/pub/naif/generic_kernels/pck/gm_de431.tpc',
-                     'http://naif.jpl.nasa.gov/pub/naif/generic_kernels/lsk/naif0012.tls']
+                     'http://naif.jpl.nasa.gov/pub/naif/generic_kernels/lsk/{}'.format(currentLSK)]
     for kernel in kernelURLlist:
         getKernel(kernel)
 

spiceypy/tests/test_wrapper.py

@@ -3,7 +3,7 @@
 import numpy as np
 import numpy.testing as npt
 import os
-from .gettestkernels import downloadKernels
+from .gettestkernels import downloadKernels, currentLSK
 
 
 cwd = os.path.realpath(os.path.dirname(__file__))
@@ -30,6 +30,7 @@
 _mgsCk   = os.path.join(cwd, "mgs_sc_ext26.bc")
 
 _earthHighPerPck = os.path.join(cwd, "earth_latest_high_prec.bpc")
+_naifLSK = os.path.join(cwd, currentLSK)
 
 
 def setup_module(module):
@@ -2185,7 +2186,7 @@ def test_getelm():
 
 
 def test_getfat():
-    arch, outtype = spice.getfat(os.path.join(cwd, 'naif0011.tls'))
+    arch, outtype = spice.getfat(_naifLSK)
     assert arch == "KPL"
     assert outtype == "LSK"