Load version from the file rather than by importing the module (which is...

Load version from the file rather than by importing the module (which is subject to variance based on sys.path). Fixes #43.

CHANGES.txt

@@ -2,6 +2,13 @@
 CHANGES
 =======
 
+-----
+0.9.4
+-----
+
+* Issue #43: Fix issue (introduced in 0.9.1) with version resolution when
+  upgrading over other releases of Setuptools.
+
 -----
 0.9.3
 -----

setup.py

@@ -19,6 +19,12 @@ init_file.close()
 
 SETUP_COMMANDS = command_ns['__all__']
 
+main_ns = {}
+init_path = convert_path('setuptools/__init__.py')
+init_file = open(init_path)
+exec(init_file.read(), main_ns)
+init_file.close()
+
 import setuptools
 from setuptools.command.build_py import build_py as _build_py
 from setuptools.command.test import test as _test
@@ -93,7 +99,7 @@ if sys.platform == 'win32' or os.environ.get("SETUPTOOLS_INSTALL_WINDOWS_SPECIFI
 
 setup_params = dict(
     name="setuptools",
-    version=setuptools.__version__,
+    version=main_ns['__version__'],
     description="Easily download, build, install, upgrade, and uninstall "
                 "Python packages",
     author="The fellowship of the packaging",