Fix http://bugs.python.org/setuptools/issue31 (backport from trunk)

--HG--
branch : setuptools-0.6
extra : convert_revision : svn%3A6015fed2-1504-0410-9fe1-9d1591cc4771/sandbox/branches/setuptools-0.6%4065948

setuptools/depends.py

@@ -204,7 +204,6 @@ def get_module_constant(module, symbol, default=-1, paths=None):
 
 
 def extract_constant(code,symbol,default=-1):
-
     """Extract the constant value of 'symbol' from 'code'
 
     If the name 'symbol' is bound to a constant value by the Python code
@@ -237,10 +236,11 @@ def extract_constant(code,symbol,default=-1):
             return const
         else:
             const = default
-
-
-
-
-
+            
+if sys.platform.startswith('java') or sys.platform == 'cli':
+    # XXX it'd be better to test assertions about bytecode instead...
+    del extract_constant, get_module_constant
+    __all__.remove('extract_constant')
+    __all__.remove('get_module_constant')
 
 

setuptools/tests/__init__.py

 """Tests for the 'setuptools' package"""
-
 from unittest import TestSuite, TestCase, makeSuite, defaultTestLoader
 import distutils.core, distutils.cmd
 from distutils.errors import DistutilsOptionError, DistutilsPlatformError
@@ -7,8 +6,8 @@ from distutils.errors import DistutilsSetupError
 import setuptools, setuptools.dist
 from setuptools import Feature
 from distutils.core import Extension
-from setuptools.depends import extract_constant, get_module_constant
-from setuptools.depends import find_module, Require
+extract_constant, get_module_constant = None, None
+from setuptools.depends import *
 from distutils.version import StrictVersion, LooseVersion
 from distutils.util import convert_path
 import sys, os.path
@@ -41,14 +40,10 @@ def makeSetup(**args):
 
 
 
-
-
-
 class DependsTests(TestCase):
 
     def testExtractConst(self):
-
-        from setuptools.depends import extract_constant
+        if not extract_constant: return  # skip on non-bytecode platforms
 
         def f1():
             global x,y,z
@@ -74,6 +69,7 @@ class DependsTests(TestCase):
         f,p,i = find_module('setuptools.tests'); f.close()
 
     def testModuleExtract(self):
+        if not get_module_constant: return  # skip on non-bytecode platforms
         from distutils import __version__
         self.assertEqual(
             get_module_constant('distutils','__version__'), __version__
@@ -86,6 +82,7 @@ class DependsTests(TestCase):
         )
 
     def testRequire(self):
+        if not extract_constant: return  # skip on non-bytecode platforms
 
         req = Require('Distutils','1.0.3','distutils')
 
@@ -125,7 +122,6 @@ class DependsTests(TestCase):
         self.failUnless(req.is_current(paths))
 
 
-
 class DistroTests(TestCase):
 
     def setUp(self):