make setup.py test work when called from other directory

HolgerPeters · HolgerPeters · commit 5dc1f22a76aa · 2015-03-04T16:58:19.000+01:00
diff --git a/setupext.py b/setupext.py
@@ -107,7 +107,8 @@ def extract_versions():
     Extracts version values from the main matplotlib __init__.py and
     returns them as a dictionary.
     """
-    with open('lib/matplotlib/__init__.py') as fd:
+    with open(os.path.join(os.path.dirname(__file__),
+                           'lib/matplotlib/__init__.py')) as fd:
         for line in fd.readlines():
             if (line.startswith('__version__')):
                 exec(line.strip())
