105 lines
2.8 KiB
Python
105 lines
2.8 KiB
Python
#
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# Gramps - a GTK+/GNOME based genealogy program
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#
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# Copyright (C) 2000-2007 Donald N. Allingham
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# Copyright (C) 2009 Gary Burton
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# Copyright (C) 2011 Tim G L Lyons
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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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Utility functions to cast types
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"""
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#-------------------------------------------------------------------------
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#
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# Python modules
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#
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#-------------------------------------------------------------------------
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import os
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import sys
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import logging
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LOG = logging.getLogger(".")
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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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from ..datehandler import codeset
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from ..constfunc import conv_to_unicode, conv_to_unicode_direct, UNITYPE, STRTYPE
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#strings in database are utf-8
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conv_dbstr_to_unicode = lambda x: conv_to_unicode(x, 'UTF-8')
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def cast_to_bool(val):
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if val == str(True):
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return True
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return False
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def get_type_converter(val):
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"""
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Return function that converts strings into the type of val.
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"""
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val_type = type(val)
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if isinstance(val, STRTYPE):
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return str
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elif val_type == int:
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return int
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elif val_type == float:
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return float
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elif val_type == bool:
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return cast_to_bool
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elif val_type in (list, tuple):
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return list
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def type_name(val):
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"""
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Return the name the type of val.
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Only numbers and strings are supported.
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The rest becomes strings (unicode).
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"""
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val_type = type(val)
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if val_type == int:
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return 'int'
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elif val_type == float:
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return 'float'
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elif val_type == bool:
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return 'bool'
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elif isinstance(val, STRTYPE):
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return 'unicode'
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return 'unicode'
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def get_type_converter_by_name(val_str):
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"""
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Return function that converts strings into the type given by val_str.
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Only numbers and strings are supported.
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The rest becomes strings (unicode).
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"""
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if val_str == 'int':
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return int
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elif val_str == 'float':
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return float
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elif val_str == 'bool':
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return cast_to_bool
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elif val_str in ('str', 'unicode'):
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return str
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return str
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