现在的问题是这样的：
我的这个程序是想在每次运行的时候就检查iWorkFolder下有没有iFolderName这个目录，有就pass，没有就建立。源码如下：

import os,string,time
iWorkDir=os.path.normpath('D:\Documents and Settings\Arui\桌面\工作夹')
iDirList=os.listdir(iWorkDir)
iFolderName=string.join(time.ctime().split()[:3],'-')

if(iFolderName in iDirList):
	pass
else:
	iNewFolder=os.path.join(iWorkDir,iFolderName)
	os.mkdir(iNewFolder)
	

在cmd下运行:
1,我把它保存为cp936,gb2312编码，报错如下：

D:\Documents and Settings\Arui\桌面\工作夹>python work.py
sys:1: DeprecationWarning: Non-ASCII character '\xd7' in file work.py on line 2,
 but no encoding declared; see http://www.python.org/peps/pep-0263.html for details

2,保存为utf-8编码，报错如下:

D:\Documents and Settings\Arui\桌面\工作夹>python work.py
sys:1: DeprecationWarning: Non-ASCII character '\xd7' in file work.py on line 2,
 but no encoding declared; see http://www.python.org/peps/pep-0263.html for details

现在看来已经不是空格的问题了，而是unicode编码的问题，

参考下文：
 http://blog.donews.com/ygao/archive/2005/10/22/598237.aspx

 On 11/3/05, Du Jun <jdu at haiercct.com.cn> wrote:
>
> 现在的问题是这样的：
> 我的这个程序是想在每次运行的时候就检查iWorkFolder下有没有iFolderName这个目录，有就pass，没有就建立。源码如下：
>
> import os,string,time
> iWorkDir=os.path.normpath('D:\Documents and Settings\Arui\桌面\工作夹')
> iDirList=os.listdir(iWorkDir)
> iFolderName=string.join(time.ctime().split()[:3],'-')
>
> if(iFolderName in iDirList):
> pass
> else:
> iNewFolder=os.path.join(iWorkDir,iFolderName)
> os.mkdir(iNewFolder)
>
>
> 在cmd下运行:
> 1,我把它保存为cp936,gb2312编码，报错如下：
>
> D:\Documents and Settings\Arui\桌面\工作夹>python work.py
> sys:1: DeprecationWarning: Non-ASCII character '\xd7' in file work.py on
> line 2,
> but no encoding declared; see http://www.python.org/peps/pep-0263.html for
> details
>
> 2,保存为utf-8编码，报错如下:
>
> D:\Documents and Settings\Arui\桌面\工作夹>python work.py
> sys:1: DeprecationWarning: Non-ASCII character '\xd7' in file work.py on
> line 2,
> but no encoding declared; see http://www.python.org/peps/pep-0263.html for
> details
>
> 现在看来已经不是空格的问题了，而是unicode编码的问题，
> _______________________________________________
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> http://python.cn/mailman/listinfo/python-chinese
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Du Jun wrote:
[...略...]
> 在cmd下运行:
> 1,我把它保存为cp936,gb2312编码，报错如下：
> 
> D:\Documents and Settings\Arui\桌面\工作夹>python work.py
> sys:1: DeprecationWarning: Non-ASCII character '\xd7' in file work.py on line 2,
>  but no encoding declared; see http://www.python.org/peps/pep-0263.html for details
> 
> 2,保存为utf-8编码，报错如下:
> 
> D:\Documents and Settings\Arui\桌面\工作夹>python work.py
> sys:1: DeprecationWarning: Non-ASCII character '\xd7' in file work.py on line 2,
>  but no encoding declared; see http://www.python.org/peps/pep-0263.html for details
> 
> 现在看来已经不是空格的问题了，而是unicode编码的问题，

DeprecationWarning仅仅是warning而已，不是错误。
在源文件中使用非ASCII字符集，最好在头两行声明一下编码，如：

# encoding: utf-8

参见PEP 0263 -- Defining Python Source Code Encodings
http://www.python.org/peps/pep-0263.html

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