PEP: 42
Title: Feature Requests
Version: $Revision$
Author: Jeremy Hylton <jeremy@beopen.com>
Status: Active
Type: Informational
Created: 12-Sep-2000

Introduction

    This PEP contains a list of feature requests that may be
    considered for future versions of Python.  Large feature requests
    should not be included here, but should be described in separate
    PEPs; however a large feature request that doesn't have its own
    PEP can be listed here until its own PEP is created.  See
    pep-0000.txt for details.

    This PEP was created to allow us to close bug reports that are
    really feature requests.  Marked as Open, they distract from the
    list of real bugs (which should ideally be less than a page).
    Marked as Closed, they tend to be forgotten.  The procedure now
    is: if a bug report is really a feature request, add the feature
    request to this PEP, and close the bug report with a comment
    saying that this is the case (mentioning the PEP explicitly).  It
    is also acceptable to move large feature requests directly from
    the bugs database to a separate PEP.


Core Language / Builtins

    - A builtin function that returns the number of bytes an object
      uses internally.  Apparently mxTools has a sizeof function that
      returns the size of the object struct itself.

      http://sourceforge.net/bugs/?func=detailbug&bug_id=110835&group_id=5470

    - Add C API functions to help Windows users who are building
      embedded applications where the FILE * structure does not match
      the FILE * the interpreter was compiled with.

      http://sourceforge.net/bugs/?func=detailbug&bug_id=110821&group_id=5470

      See this bug report for a specific suggestion that will allow a
      Borland C++ builder application to interact with a python.dll
      build with MSVC.


Standard Library

    - The urllib module should support proxies which require
      authenication.  See SourceForge bug #110619 for information:

      http://sourceforge.net/bugs/?func=detailbug&bug_id=110619&group_id=5470

    - Support passive FTP via urllib

      http://sourceforge.net/bugs/?func=detailbug&bug_id=110848&group_id=5470

    - Use objects with attributes in place of tuples of values for
      return values in several places in the library.  Two specific
      APIs which could use this treatment include os.stat() and
      os.statvfs(); see SourceForge bug #111481:

      http://sourceforge.net/bugs/?func=detailbug&bug_id=111481&group_id=5470

      which shows very specifically why this approach is better than
      the tuple approach: additional attributes can be added as needed
      without having as detrimental an affect on existing code.

    - os.rename() should be modified to handle EXDEV errors on
      platforms that don't allow rename() to operate across filesystem
      boundaries by copying the file over and removing the original.
      Linux is one system that requires this treatment.

      http://sourceforge.net/bugs/?func=detailbug&bug_id=112317&group_id=5470


Tools

    - IDLE should reload & recompile modules changed externally.  To
      be done properly, scripts will have to be run in a separate
      process.

      http://sourceforge.net/bugs/?func=detailbug&bug_id=110841&group_id=5470


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