125 lines
3.4 KiB
Python
125 lines
3.4 KiB
Python
#
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# Gramps - a GTK+/GNOME based genealogy program
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#
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# Copyright (C) 2006 Brian Matherly
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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# $Id$
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"""
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Mime utility functions for the MS Windows platform
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"""
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#-------------------------------------------------------------------------
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#
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# Standard python modules
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#
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#-------------------------------------------------------------------------
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import os
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from _winreg import *
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#-------------------------------------------------------------------------
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#
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# Gramps modules
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#
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#-------------------------------------------------------------------------
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import _pythonmime
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from gen.ggettext import gettext as _
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def get_description(mime_type):
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"""Return the description of the specfied mime type"""
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desc = None
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extension = _get_extension(mime_type)
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progid = _get_prog_id(extension)
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if progid:
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try:
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hcr = ConnectRegistry(None, HKEY_CLASSES_ROOT)
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desc = QueryValue(hcr, progid)
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CloseKey(hcr)
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except WindowsError:
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pass
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if not desc:
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desc = _("unknown")
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return desc
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def get_type(file):
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"""Return the mime type of the specified file"""
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return _pythonmime.get_type(file)
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def mime_type_is_defined(mime_type):
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"""
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Return True if a description for a mime type exists.
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"""
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extension = _get_extension(mime_type)
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if extension:
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return True
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else:
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return _pythonmime.mime_type_is_defined(mime_type)
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#-------------------------------------------------------------------------
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#
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# private functions
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#
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#-------------------------------------------------------------------------
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def _get_extension(mime_type):
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"""
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Return the extension associated with this mime type
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Return None if no association exists
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"""
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extension = None
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try:
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hcr = ConnectRegistry(None, HKEY_CLASSES_ROOT)
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subkey = OpenKey(hcr, "MIME\DataBase\Content Type")
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mimekey = OpenKey(subkey, mime_type)
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extension, value_type = QueryValueEx(mimekey, "Extension")
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CloseKey(mimekey)
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CloseKey(subkey)
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CloseKey(hcr)
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except WindowsError:
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extension = None
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if not extension:
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# Work around for Windows mime problems
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extmap = {
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'application/abiword' : '.abw',
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'application/rtf' : '.rtf',
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}
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if mime_type in extmap:
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extension = extmap[mime_type]
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return extension
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def _get_prog_id(extension):
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"""
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Return the program ID associated with this extension
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Return None if no association exists
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"""
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if not extension:
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return None
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try:
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hcr = ConnectRegistry(None, HKEY_CLASSES_ROOT)
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progid = QueryValue(hcr, extension)
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CloseKey(hcr)
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return progid
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except WindowsError:
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return None
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