make sure we can have a cfg file without a global section

2 files changed, 11 insertions, 3 deletions

diff --git a/src/distutils2/_backport/sysconfig.py b/src/distutils2/_backport/sysconfig.py
index 16a0fac..5d082b7 100644
--- a/src/distutils2/_backport/sysconfig.py
+++ b/src/distutils2/_backport/sysconfig.py
@@ -19,7 +19,11 @@ _SCHEMES.read(_CONFIG_FILE)
 _VAR_REPL = re.compile(r'\{([^{]*?)\}')
 
 def _expand_globals(config):
-    globals = config.items('globals')
+    if config.has_section('globals'):
+        globals = config.items('globals')
+    else:
+        globals = tuple()
+
     sections = config.sections()
     for section in sections:
         if section == 'globals':
@@ -76,9 +80,9 @@ if _PYTHON_BUILD:
 
 def _subst_vars(path, local_vars):
     """In the string `path`, replace tokens like {some.thing} with the corresponding value from the map `local_vars`.
-    
+
     If there is no corresponding value, leave the token unchanged.
-    
+
     """
     def _replacer(matchobj):
         name = matchobj.group(1)
diff --git a/src/distutils2/_backport/tests/test_sysconfig.py b/src/distutils2/_backport/tests/test_sysconfig.py
index b51bb10..e4db614 100644
--- a/src/distutils2/_backport/tests/test_sysconfig.py
+++ b/src/distutils2/_backport/tests/test_sysconfig.py
@@ -257,6 +257,10 @@ class TestSysConfig(unittest2.TestCase):
         self.assertEquals(config.get('posix', 'foo'), 'ok')
         self.assertEquals(config.get('posix', 'more'), '/etc/ok')
 
+        # we might not have globals after all
+        # extending again (==no more globals section)
+        _expand_globals(config)
+
 def test_suite():
     return unittest2.makeSuite(TestSysConfig)