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-rw-r--r--setuptools/command/build_py.py22
-rw-r--r--setuptools/command/test.py4
2 files changed, 4 insertions, 22 deletions
diff --git a/setuptools/command/build_py.py b/setuptools/command/build_py.py
index b30aa129..df6fd323 100644
--- a/setuptools/command/build_py.py
+++ b/setuptools/command/build_py.py
@@ -8,6 +8,7 @@ import io
import distutils.errors
import itertools
import stat
+from setuptools.extern.more_itertools import unique_everseen
try:
from setuptools.lib2to3_ex import Mixin2to3
@@ -214,7 +215,7 @@ class build_py(orig.build_py, Mixin2to3):
if fn not in bad
)
# ditch dupes
- return list(_unique_everseen(keepers))
+ return list(unique_everseen(keepers))
@staticmethod
def _get_platform_patterns(spec, package, src_dir):
@@ -235,25 +236,6 @@ class build_py(orig.build_py, Mixin2to3):
)
-# from Python docs
-def _unique_everseen(iterable, key=None):
- "List unique elements, preserving order. Remember all elements ever seen."
- # unique_everseen('AAAABBBCCDAABBB') --> A B C D
- # unique_everseen('ABBCcAD', str.lower) --> A B C D
- seen = set()
- seen_add = seen.add
- if key is None:
- for element in itertools.filterfalse(seen.__contains__, iterable):
- seen_add(element)
- yield element
- else:
- for element in iterable:
- k = key(element)
- if k not in seen:
- seen_add(k)
- yield element
-
-
def assert_relative(path):
if not os.path.isabs(path):
return path
diff --git a/setuptools/command/test.py b/setuptools/command/test.py
index cf71ad01..de4f3d11 100644
--- a/setuptools/command/test.py
+++ b/setuptools/command/test.py
@@ -12,7 +12,7 @@ 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
+from setuptools.extern.more_itertools import unique_everseen
class ScanningLoader(TestLoader):
@@ -182,7 +182,7 @@ class test(Command):
orig_pythonpath = os.environ.get('PYTHONPATH', nothing)
current_pythonpath = os.environ.get('PYTHONPATH', '')
try:
- prefix = os.pathsep.join(_unique_everseen(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: