[Python-Dev] Proposal for new core module: UserFIle

[Brett C.]

Keith Dart wrote:
> On Thu, 2003-12-11 at 14:24, Skip Montanaro wrote:
> 
>>    Keith> class TextFile(UserFile):
>>    Keith>      """TextFile(self, name, mode="r", bufsize=-1, linesep=None)
>>    Keith> A file object that handles different line separator
>>    Keith> conventions. This file object's readline() method returns the
>>    Keith> line with trailing line separator stripped, and raises EOFError
>>    Keith> on end of file. The writelines() method will append an
>>    Keith> appropriate line separator when writing. Thus, this file object
>>    Keith> allows reading and writeing non-native text files.
>>    Keith>      """
>>
>>Is there a reason the universal newline mode doesn't cover this case
>>already?
> 
> 
> This module lets you explicitly create a text data file for any
> platform. The universal newline feature of python is for Python modules
> only, and lets you transparently import and exec Python source files
> with the different line ending formats. That is a different thing. 
> 

Not true.  Python 2.3 added the "U" option for file opening to use 
universal newline support for any file you open.  See 
http://www.python.org/doc/2.3/whatsnew/node7.html .

-Brett