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-rw-r--r--setuptools/command/test.py17
1 files changed, 17 insertions, 0 deletions
diff --git a/setuptools/command/test.py b/setuptools/command/test.py
index e5cb9bb5..a02ac142 100644
--- a/setuptools/command/test.py
+++ b/setuptools/command/test.py
@@ -2,6 +2,7 @@ from setuptools import Command
from distutils.errors import DistutilsOptionError
import sys
from pkg_resources import *
+from pkg_resources import _namespace_packages
from unittest import TestLoader, main
class ScanningLoader(TestLoader):
@@ -139,6 +140,22 @@ class test(Command):
def run_tests(self):
import unittest
+
+ # Purge modules under test from sys.modules. The test loader will
+ # re-import them from the build location. Required when 2to3 is used
+ # with namespace packages.
+ if sys.version_info >= (3,) and getattr(self.distribution, 'use_2to3', False):
+ module = self.test_args[-1].split('.')[0]
+ if module in _namespace_packages:
+ del_modules = []
+ if module in sys.modules:
+ del_modules.append(module)
+ module += '.'
+ for name in sys.modules:
+ if name.startswith(module):
+ del_modules.append(name)
+ map(sys.modules.__delitem__, del_modules)
+
loader_ep = EntryPoint.parse("x="+self.test_loader)
loader_class = loader_ep.load(require=False)
cks = loader_class()