symbian-qemu-0.9.1-12/python-2.6.1/Doc/library/binhex.rst
author Mike Kinghan <mikek@symbian.org>
Thu, 25 Nov 2010 14:28:39 +0000
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:mod:`binhex` --- Encode and decode binhex4 files
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=================================================
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.. module:: binhex
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   :synopsis: Encode and decode files in binhex4 format.
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This module encodes and decodes files in binhex4 format, a format allowing
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representation of Macintosh files in ASCII.  On the Macintosh, both forks of a
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file and the finder information are encoded (or decoded), on other platforms
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only the data fork is handled.
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.. warning::
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   In 3.0, special Macintosh support is removed.
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The :mod:`binhex` module defines the following functions:
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.. function:: binhex(input, output)
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   Convert a binary file with filename *input* to binhex file *output*. The
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   *output* parameter can either be a filename or a file-like object (any object
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   supporting a :meth:`write` and :meth:`close` method).
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.. function:: hexbin(input[, output])
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   Decode a binhex file *input*. *input* may be a filename or a file-like object
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   supporting :meth:`read` and :meth:`close` methods. The resulting file is written
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   to a file named *output*, unless the argument is omitted in which case the
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   output filename is read from the binhex file.
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The following exception is also defined:
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.. exception:: Error
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   Exception raised when something can't be encoded using the binhex format (for
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   example, a filename is too long to fit in the filename field), or when input is
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   not properly encoded binhex data.
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.. seealso::
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   Module :mod:`binascii`
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      Support module containing ASCII-to-binary and binary-to-ASCII conversions.
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.. _binhex-notes:
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Notes
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-----
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There is an alternative, more powerful interface to the coder and decoder, see
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the source for details.
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If you code or decode textfiles on non-Macintosh platforms they will still use
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the old Macintosh newline convention (carriage-return as end of line).
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As of this writing, :func:`hexbin` appears to not work in all cases.
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