diff options
-rw-r--r-- | changelog.d/1709.bugfix.rst | 1 | ||||
-rw-r--r-- | setuptools/command/test.py | 3 |
2 files changed, 3 insertions, 1 deletions
diff --git a/changelog.d/1709.bugfix.rst b/changelog.d/1709.bugfix.rst new file mode 100644 index 00000000..c6670ae9 --- /dev/null +++ b/changelog.d/1709.bugfix.rst @@ -0,0 +1 @@ +In test.paths_on_python_path, avoid adding unnecessary duplicates to the PYTHONPATH. diff --git a/setuptools/command/test.py b/setuptools/command/test.py index dde0118c..973e4eb2 100644 --- a/setuptools/command/test.py +++ b/setuptools/command/test.py @@ -15,6 +15,7 @@ from pkg_resources import (resource_listdir, resource_exists, normalize_path, working_set, _namespace_packages, evaluate_marker, add_activation_listener, require, EntryPoint) from setuptools import Command +from .build_py import _unique_everseen __metaclass__ = type @@ -186,7 +187,7 @@ class test(Command): orig_pythonpath = os.environ.get('PYTHONPATH', nothing) current_pythonpath = os.environ.get('PYTHONPATH', '') try: - prefix = os.pathsep.join(paths) + prefix = os.pathsep.join(_unique_everseen(paths)) to_join = filter(None, [prefix, current_pythonpath]) new_path = os.pathsep.join(to_join) if new_path: |