update setup.py: adjust asyncio dependency

use builtin asyncio, use tulip or use trollus depending on the python version

2 files changed, 17 insertions, 2 deletions

diff --git a/README b/README
index 3651b49..5ac3d4f 100644
--- a/README
+++ b/README
@@ -16,7 +16,11 @@ Installation
 Requirements:
 
 - eventlet (it was tested with eventlet 0.15)
-- trollius 1.0 or newer
+- asyncio or trollius:
+
+  * Python 3.4 and newer: asyncio is now part of the stdlib
+  * Python 3.3: need Tulip 0.4.1 or newer (pip install asyncio)
+  * Python 2.6-3.2: need trollius 1.0 or newer (pip install trollius)
 
 Type::
 
diff --git a/setup.py b/setup.py
index f48cede..246b78f 100644
--- a/setup.py
+++ b/setup.py
@@ -23,6 +23,17 @@ except ImportError:
     # We won't be able to build the Wheel file on Windows.
     from distutils.core import setup, Extension
 
+requirements = ['eventlet']
+if sys.version_info >= (3, 4):
+    # Python 3.4 and newer: asyncio is now part of the stdlib
+    pass
+elif (3, 3) <= sys.version_info < (3, 4):
+    # Python 3.3: use Tulip
+    requirements.append('asyncio>=0.4.1')
+else:
+    # Python 2.6-3.2: use Trollius
+    requirements.append('trollius>=1.0')
+
 with open("README") as fp:
     long_description = fp.read()
 
@@ -47,6 +58,6 @@ install_options = {
     #"test_suite": "runtests.runtests",
 }
 if SETUPTOOLS:
-    install_options['install_requires'] = ['eventlet', 'trollius>=1.0']
+    install_options['install_requires'] = requirements
 
 setup(**install_options)