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Support case insensitive treatment of os.environ keys on Windows and 

DOS (as well as OS/2).  I presume that making a call to putenv() with
a lowercase key will actually do the right thing.  I know this is so
on Windows/DOS, and I expect it is so OS/2 -- but the old OS/2 code
didn't assume this.  (I don't know if the person who provided the OS/2
patch was clueless or just didn't care about DOS and Windows.)

Also ripped out the support for pickling -- as of 1.5, this is no
longer needed to make pickling work.
This commit is contained in:
Guido van Rossum 1998-08-04 16:01:23 +00:00
parent 7f875ef749
commit da4d6daa4a
1 changed files with 7 additions and 8 deletions
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15
Lib/os.py
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@ -226,15 +226,19 @@ def _execvpe(file, args, env = None):
else:
import UserDict
if name in ('os2', ): # Where Env Var Names Must Be UPPERCASE
if name in ('os2', 'nt', 'dos'): # Where Env Var Names Must Be UPPERCASE
# But we store them as upper case
import string
class _Environ(UserDict.UserDict):
def __init__(self, environ):
UserDict.UserDict.__init__(self)
self.data = environ
data = self.data
upper = string.upper
for k, v in environ.items():
data[upper(k)] = v
def __setitem__(self, key, item):
key = string.upper(key)
putenv(key, item)
key = string.upper(key)
self.data[key] = item
def __getitem__(self, key):
return self.data[string.upper(key)]
@ -244,13 +248,8 @@ class _Environ(UserDict.UserDict):
def __init__(self, environ):
UserDict.UserDict.__init__(self)
self.data = environ
def __getinitargs__(self):
import copy
return (copy.copy(self.data),)
def __setitem__(self, key, item):
putenv(key, item)
self.data[key] = item
def __copy__(self):
return _Environ(self.data.copy())
environ = _Environ(environ)