commit a066f46b9b78fb29bc5ac428e1d063d61f472dba
author Martin v. Löwis <martin@v.loewis.de> Thu May 02 17:39:19 2002 +0000
committer Martin v. Löwis <martin@v.loewis.de> Thu May 02 17:39:19 2002 +0000
tree 6d760d7feb3dc460844b2ebd30767172b634edef
parent e0e890a4da559895149250786a6bba3e7498304e

Patch 550804: Make os.environ.copy() return a copy.

Lib/os.py

diff --git a/Lib/os.py b/Lib/os.py
index e19883b..59f63e2 100644
--- a/Lib/os.py
+++ b/Lib/os.py
@@ -412,6 +412,8 @@
             def update(self, dict):
                 for k, v in dict.items():
                     self[k] = v
+            def copy(self):
+                return dict(self)
 
     else:  # Where Env Var Names Can Be Mixed Case
         class _Environ(UserDict.UserDict):
@@ -432,6 +434,8 @@
                 def __delitem__(self, key):
                     unsetenv(key)
                     del self.data[key]
+            def copy(self):
+                return dict(self)
 
 
     environ = _Environ(environ)