Import setuptools if it's available.

diff --git a/setup.py b/setup.py
index 04ccc080742e2edc9550b0d7d673ee1a72e65b4b..5cb69df2dafc8b8cd586e42b215ca19827d7a318 100644 (file)
--- a/setup.py
+++ b/setup.py
@@ -16,6 +16,12 @@
 
 import distutils.core
 import sys
+# Importing setuptools adds some features like "setup.py develop", but
+# it's optional so swallow the error if it's not there.
+try:
+    import setuptools
+except ImportError:
+    pass
 
 # Build the epoll extension for Linux systems with Python < 2.6
 extensions = []