Fix cython path.

Cython/Compiler/Dependencies.py

@@ -334,6 +334,8 @@ def create_extension_list(filepatterns, ctx=None):
             module_list.append(Extension(name=name, sources=[file], **deps.distutils_info(file).values))
     return module_list
 
+cython_py = os.path.abspath(os.path.join(os.path.dirname(__file__), '../../cython.py'))
+
 def cythonize(module_list, ctx=None):
     deps = create_dependency_tree(ctx)
     to_compile = []
@@ -365,7 +367,6 @@ def cythonize(module_list, ctx=None):
         m.sources = new_sources
     to_compile.sort()
     # TODO: invoke directly
-    cython_py = os.path.join(os.path.dirname(__file__), '../../cython.py')
     for priority, pyx_file, c_file in to_compile:
         cmd = "%s %s %s -o %s" % (sys.executable, cython_py, pyx_file, c_file)
         print cmd

runtests.py

@@ -634,6 +634,8 @@ class EndToEndTest(unittest.TestCase):
     This is a test of build/*.srctree files, where srctree defines a full
     directory structure and its header gives a list of commands to run.
     """
+    cython_root = os.path.dirname(os.path.abspath(__file__))
+    
     def __init__(self, treefile, workdir, cleanup_workdir=True):
         self.treefile = treefile
         self.workdir = os.path.join(workdir, os.path.splitext(treefile)[0])
@@ -657,14 +659,13 @@ class EndToEndTest(unittest.TestCase):
         os.chdir(self.old_dir)
     
     def runTest(self):
-        # Assumes old_dir is root of the cython directory...
         commands = (self.commands
-            .replace("CYTHON", "PYTHON %s" % os.path.join(self.old_dir, 'cython.py'))
+            .replace("CYTHON", "PYTHON %s" % os.path.join(self.cython_root, 'cython.py'))
             .replace("PYTHON", sys.executable))
         commands = """
         PYTHONPATH="%s%s$PYTHONPATH"
         %s
-        """ % (self.old_dir, os.pathsep, commands)
+        """ % (self.cython_root, os.pathsep, commands)
         self.assertEqual(0, os.system(commands))