more fixes

tests/utils.py

@@ -1,5 +1,7 @@
 """Some PyNE testing utilities."""
+from __future__ import print_function
 import os
+import sys
 from hashlib import md5
 try:
     import urllib.request as urllib
@@ -13,6 +15,8 @@ def download_file(url, localfile, md5_hash):
         with open(localfile, "rb") as f:
             html = f.read()
     else:
+        msg = 'Downloading {0!r} to {1!r}'.format(url, localfile)
+        print(msg, file=sys.stderr)
         req = urllib.Request(url, headers={'User-Agent': 'Mozilla/5.0'})
         f = urllib.urlopen(req, timeout=30.0)
         try:

tests/xs/test_data_source.py

@@ -22,10 +22,12 @@
 from pyne.xs import data_source
 from pyne.pyne_config import pyne_conf
 
-if not os.path.isfile('W180.ace'):
-    u, f = 'https://www-nds.iaea.org/wolfram/w180/beta3/W180.ace', 'W180.ace'
-    print('Downloading {0} to {1} ...'.format(u, f), file=sys.stderr)
-    urllib.urlretrieve(u, f)
+sys.path.insert(0, os.path.dirname(__file__))
+from utils import download_file
+del sys.path[0]
+
+download_file('https://www-nds.iaea.org/wolfram/w180/beta3/W180.ace', 'W180.ace',
+              '5349513f196ad594d172bc6ea61dc382')
 
 nuc_data = pyne_conf.NUC_DATA_PATH