Fix cwd parsing in setup.py

If __file__ has no directory in it, dirname will return the empty
string, which in turn will break subprocess.Popen. The fix is to
use '.' instead of the empty string.

1 files changed, 2 insertions, 1 deletions

diff --git a/setup.py b/setup.py
index 6e8c4c4b..4acb9a6c 100644
--- a/setup.py
+++ b/setup.py
@@ -61,8 +61,9 @@ class GenerateResources(build):
                           (path, ' '.join(command)))
 
             with open(os.path.join(target_dir, filename), 'w') as f:
+                cwd = os.path.dirname(__file__) or '.'
                 p = subprocess.Popen(command,
-                                     cwd=os.path.dirname(__file__),
+                                     cwd=cwd,
                                      stdout=subprocess.PIPE,
                                      stderr=subprocess.STDOUT)
                 o = p.communicate()