--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ztfy/utils/unicode.py Sat Jan 10 00:35:35 2009 +0100
@@ -0,0 +1,168 @@
+### -*- coding: utf-8 -*- ####################################################
+##############################################################################
+#
+# Copyright (c) 2008 Thierry Florac <tflorac AT ulthar.net>
+# All Rights Reserved.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE.
+#
+##############################################################################
+"""
+
+$Id: $
+"""
+
+__version__ = "$Revision: $"
+__release__ = "$Id: $"
+__docformat__ = "restructuredtext"
+
+# import standard packages
+import string
+import codecs
+
+# import Zope3 interfaces
+
+# import local interfaces
+
+# import Zope3 packages
+
+# import local packages
+
+
+_unicodeTransTable = {}
+def _fillUnicodeTransTable():
+ _corresp = [
+ (u"A", [0x00C0,0x00C1,0x00C2,0x00C3,0x00C4,0x00C5,0x0100,0x0102,0x0104]),
+ (u"AE", [0x00C6]),
+ (u"a", [0x00E0,0x00E1,0x00E2,0x00E3,0x00E4,0x00E5,0x0101,0x0103,0x0105]),
+ (u"ae", [0x00E6]),
+ (u"C", [0x00C7,0x0106,0x0108,0x010A,0x010C]),
+ (u"c", [0x00E7,0x0107,0x0109,0x010B,0x010D]),
+ (u"D", [0x00D0,0x010E,0x0110]),
+ (u"d", [0x00F0,0x010F,0x0111]),
+ (u"E", [0x00C8,0x00C9,0x00CA,0x00CB,0x0112,0x0114,0x0116,0x0118,0x011A]),
+ (u"e", [0x00E8,0x00E9,0x00EA,0x00EB,0x0113,0x0115,0x0117,0x0119,0x011B]),
+ (u"G", [0x011C,0x011E,0x0120,0x0122]),
+ (u"g", [0x011D,0x011F,0x0121,0x0123]),
+ (u"H", [0x0124,0x0126]),
+ (u"h", [0x0125,0x0127]),
+ (u"I", [0x00CC,0x00CD,0x00CE,0x00CF,0x0128,0x012A,0x012C,0x012E,0x0130]),
+ (u"i", [0x00EC,0x00ED,0x00EE,0x00EF,0x0129,0x012B,0x012D,0x012F,0x0131]),
+ (u"IJ", [0x0132]),
+ (u"ij", [0x0133]),
+ (u"J", [0x0134]),
+ (u"j", [0x0135]),
+ (u"K", [0x0136]),
+ (u"k", [0x0137,0x0138]),
+ (u"L", [0x0139,0x013B,0x013D,0x013F,0x0141]),
+ (u"l", [0x013A,0x013C,0x013E,0x0140,0x0142]),
+ (u"N", [0x00D1,0x0143,0x0145,0x0147,0x014A]),
+ (u"n", [0x00F1,0x0144,0x0146,0x0148,0x0149,0x014B]),
+ (u"O", [0x00D2,0x00D3,0x00D4,0x00D5,0x00D6,0x00D8,0x014C,0x014E,0x0150]),
+ (u"o", [0x00F2,0x00F3,0x00F4,0x00F5,0x00F6,0x00F8,0x014D,0x014F,0x0151]),
+ (u"OE", [0x0152]),
+ (u"oe", [0x0153]),
+ (u"R", [0x0154,0x0156,0x0158]),
+ (u"r", [0x0155,0x0157,0x0159]),
+ (u"S", [0x015A,0x015C,0x015E,0x0160]),
+ (u"s", [0x015B,0x015D,0x015F,0x01610,0x017F]),
+ (u"T", [0x0162,0x0164,0x0166]),
+ (u"t", [0x0163,0x0165,0x0167]),
+ (u"U", [0x00D9,0x00DA,0x00DB,0x00DC,0x0168,0x016A,0x016C,0x016E,0x0170,0x172]),
+ (u"u", [0x00F9,0x00FA,0x00FB,0x00FC,0x0169,0x016B,0x016D,0x016F,0x0171]),
+ (u"W", [0x0174]),
+ (u"w", [0x0175]),
+ (u"Y", [0x00DD,0x0176,0x0178]),
+ (u"y", [0x00FD,0x00FF,0x0177]),
+ (u"Z", [0x0179,0x017B,0x017D]),
+ (u"z", [0x017A,0x017C,0x017E])
+ ]
+ for char,codes in _corresp:
+ for code in codes :
+ _unicodeTransTable[code] = char
+
+_fillUnicodeTransTable()
+
+
+def translateString(s, escapeSlashes=False, forceLower=True) :
+ """Remove extended characters from string
+
+ @param s: text to be cleaned.
+ @type s: str or unicode
+ @param escapeSlashes: if True, slashes are also converted
+ @type escapeSlashes: boolean
+ @param forceLower: if True, result is automatically converted to lower case
+ @type forceLower: boolean
+ @return: text without diacritics
+ @rtype: unicode
+ """
+ if escapeSlashes:
+ s = string.replace(s, "\\", "/").split("/")[-1]
+ s = s.strip()
+ if isinstance(s,str):
+ s = unicode(s,"utf8","replace")
+ s = s.translate(_unicodeTransTable)
+ s = ''.join([a for a in s.translate(_unicodeTransTable) if a.replace(' ','-') in (string.ascii_letters + string.digits + '_-.')])
+ if forceLower:
+ s = s.lower()
+ return s
+
+
+def nvl(value, default=''):
+ """Get specified value, or an empty string if value is empty
+
+ @param value: text to be checked
+ @param default: default value
+ @return: value, or default if value is empty
+ """
+ return value or default
+
+
+def uninvl(value, default=u''):
+ """Get specified value converted to unicode, or an empty unicode string if value is empty
+
+ @param value: text to be checked
+ @type value: str or unicode
+ @param default: default value
+ @return: value, or default if value is empty
+ @rtype: unicode
+ """
+ try:
+ if isinstance(value, unicode):
+ return value
+ return codecs.decode(value or default)
+ except:
+ return codecs.decode(value or default, 'latin1')
+
+
+def unidict(value):
+ """Get specified dict with values converted to unicode
+
+ @param value: input dict of strings which may be converted to unicode
+ @type value: dict
+ @return: input dict converted to unicode
+ @rtype: dict
+ """
+ result = {}
+ for key in value:
+ result[key] = uninvl(value[key])
+ return result
+
+
+def unilist(value):
+ """Get specified list with values converted to unicode
+
+ @param value: input list of strings which may be converted to unicode
+ @type value: list
+ @return: input list converted to unicode
+ @rtype: list
+ """
+ if not isinstance(value, (list,tuple)):
+ return uninvl(value)
+ return [uninvl(v) for v in value]
+