[Python-checkins] cpython: Use list constructor or built-in method instead of copy module

[eric.araujo]

http://hg.python.org/cpython/rev/0975b002210f
changeset:   70665:0975b002210f
parent:      70663:e07a5a4a1d1f
user:        Éric Araujo <merwok at netwok.org>
date:        Sat Jun 04 18:45:40 2011 +0200
summary:
  Use list constructor or built-in method instead of copy module

files:
  Lib/packaging/compiler/cygwinccompiler.py |  7 +++----
  Lib/packaging/run.py                      |  3 +--
  Lib/packaging/util.py                     |  3 +--
  3 files changed, 5 insertions(+), 8 deletions(-)


diff --git a/Lib/packaging/compiler/cygwinccompiler.py b/Lib/packaging/compiler/cygwinccompiler.py
--- 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
--- 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
--- 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)

-- 
Repository URL: http://hg.python.org/cpython