Use list constructor or built-in method instead of copy module
diff --git a/Lib/packaging/compiler/cygwinccompiler.py b/Lib/packaging/compiler/cygwinccompiler.py
index 7bfa611..348dbe7 100644
--- a/Lib/packaging/compiler/cygwinccompiler.py
+++ b/Lib/packaging/compiler/cygwinccompiler.py
@@ -48,7 +48,6 @@
import os
import sys
-import copy
from packaging import logger
from packaging.compiler.unixccompiler import UnixCCompiler
@@ -172,9 +171,9 @@
extra_postargs=None, build_temp=None, target_lang=None):
"""Link the objects."""
# use separate copies, so we can modify the lists
- extra_preargs = copy.copy(extra_preargs or [])
- libraries = copy.copy(libraries or [])
- objects = copy.copy(objects or [])
+ extra_preargs = list(extra_preargs or [])
+ libraries = list(libraries or [])
+ objects = list(objects or [])
# Additional libraries
libraries.extend(self.dll_libraries)
diff --git a/Lib/packaging/run.py b/Lib/packaging/run.py
index de9dd13..1895dde 100644
--- a/Lib/packaging/run.py
+++ b/Lib/packaging/run.py
@@ -5,7 +5,6 @@
import sys
import getopt
import logging
-from copy import copy
from packaging import logger
from packaging.dist import Distribution
@@ -673,7 +672,7 @@
def main(args=None):
old_level = logger.level
- old_handlers = copy(logger.handlers)
+ old_handlers = list(logger.handlers)
try:
dispatcher = Dispatcher(args)
if dispatcher.action is None:
diff --git a/Lib/packaging/util.py b/Lib/packaging/util.py
index 4e5bd2c..748686d 100644
--- a/Lib/packaging/util.py
+++ b/Lib/packaging/util.py
@@ -14,7 +14,6 @@
import posixpath
import sysconfig
import subprocess
-from copy import copy
from glob import iglob as std_iglob
from fnmatch import fnmatchcase
from inspect import getsource
@@ -384,7 +383,7 @@
elif optimize == 2:
cmd.insert(1, "-OO")
- env = copy(os.environ)
+ env = os.environ.copy()
env['PYTHONPATH'] = os.path.pathsep.join(sys.path)
try:
spawn(cmd, env=env)