Fix site-packages for ArchLinux installations

setup.py

@@ -7,7 +7,7 @@ from setuptools import setup, find_packages
 
 setup(
     name='xbob.buildout',
-    version='0.2.12',
+    version='0.2.13',
     description="zc.buildout recipes to perform a variety of tasks required by Bob satellite packages",
     keywords=['buildout', 'sphinx', 'nose', 'recipe', 'eggs', 'bob'],
     url='http://github.com/bioidiap/xbob.buildout',

xbob/buildout/python.py

@@ -18,6 +18,15 @@ from zc.buildout.buildout import bool_option
 import zc.buildout.easy_install
 from zc.recipe.egg import Scripts
 
+# Standard prefixes to check
+PYTHONDIR = 'python%d.%d' % sys.version_info[0:2]
+SUFFIXES = tools.uniq([
+    get_python_lib(prefix=''),
+    os.path.join('lib', PYTHONDIR, 'site-packages'),
+    os.path.join('lib32', PYTHONDIR, 'site-packages'),
+    os.path.join('lib64', PYTHONDIR, 'site-packages'),
+    ])
+
 # Python interpreter script template
 py_script_template = """#!%(interpreter)s
 # %(date)s
@@ -77,9 +86,10 @@ class Recipe(Scripts):
     self.user_paths = []
     if prefixes:
       for k in prefixes:
-        candidate = os.path.realpath(get_python_lib(prefix=k))
-        if os.path.exists(candidate) and candidate not in self.user_paths: 
-          self.user_paths.append(candidate)
+        for suffix in SUFFIXES:
+          candidate = os.path.realpath(os.path.join(k, suffix))
+          if os.path.exists(candidate) and candidate not in self.user_paths:
+            self.user_paths.append(candidate)
 
     # Shall we panic or ignore if we cannot find all eggs?
     self.panic = options.get('error-on-failure', 'true').lower() == 'true'