1 # -*- coding: utf-8 -*-
2 ##############################################################################
4 # OpenERP, Open Source Management Solution
5 # Copyright (C) 2004-2009 Tiny SPRL (<http://tiny.be>).
7 # This program is free software: you can redistribute it and/or modify
8 # it under the terms of the GNU Affero General Public License as
9 # published by the Free Software Foundation, either version 3 of the
10 # License, or (at your option) any later version.
12 # This program is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU Affero General Public License for more details.
17 # You should have received a copy of the GNU Affero General Public License
18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
20 ##############################################################################
27 from osv import fields, osv
28 from locale import localeconv
30 from tools.safe_eval import safe_eval as eval
31 from tools.translate import _
35 _description = "Languages"
37 _disallowed_datetime_patterns = tools.DATETIME_FORMATS_MAP.keys()
38 _disallowed_datetime_patterns.remove('%y') # this one is in fact allowed, just not good practice
40 def install_lang(self, cr, uid, **args):
41 lang = tools.config.get('lang')
44 lang_ids = self.search(cr, uid, [('code','=', lang)])
45 values_obj = self.pool.get('ir.values')
47 lang_id = self.load_lang(cr, uid, lang)
48 default_value = values_obj.get(cr, uid, 'default', False, 'res.partner')
50 values_obj.set(cr, uid, 'default', False, 'lang', ['res.partner'], lang)
53 def load_lang(self, cr, uid, lang, lang_name=None):
54 # create the language with locale information
56 logger = logging.getLogger('i18n')
57 iso_lang = tools.get_iso_codes(lang)
58 for ln in tools.get_locales(lang):
60 locale.setlocale(locale.LC_ALL, str(ln))
66 lc = locale.getdefaultlocale()[0]
67 msg = 'Unable to get information for locale %s. Information from the default locale (%s) have been used.'
68 logger.warning(msg, lang, lc)
71 lang_name = tools.get_languages().get(lang, lang)
75 """Fix badly-encoded non-breaking space Unicode character from locale.localeconv(),
76 coercing to utf-8, as some platform seem to output localeconv() in their system
77 encoding, e.g. Windows-1252"""
82 def fix_datetime_format(format):
83 """Python's strftime supports only the format directives
84 that are available on the platform's libc, so in order to
85 be 100% cross-platform we map to the directives required by
86 the C standard (1989 version), always available on platforms
87 with a C standard implementation."""
88 for pattern, replacement in tools.DATETIME_FORMATS_MAP.iteritems():
89 format = format.replace(pattern, replacement)
97 'date_format' : fix_datetime_format(locale.nl_langinfo(locale.D_FMT)),
98 'time_format' : fix_datetime_format(locale.nl_langinfo(locale.T_FMT)),
99 'decimal_point' : fix_xa0(str(locale.localeconv()['decimal_point'])),
100 'thousands_sep' : fix_xa0(str(locale.localeconv()['thousands_sep'])),
104 lang_id = self.create(cr, uid, lang_info)
109 def _check_format(self, cr, uid, ids, context=None):
110 for lang in self.browse(cr, uid, ids, context=context):
111 for pattern in self._disallowed_datetime_patterns:
112 if (lang.time_format and pattern in lang.time_format)\
113 or (lang.date_format and pattern in lang.date_format):
117 def _get_default_date_format(self,cursor,user,context={}):
120 def _get_default_time_format(self,cursor,user,context={}):
124 'name': fields.char('Name', size=64, required=True),
125 'code': fields.char('Locale Code', size=16, required=True, help='This field is used to set/get locales for user'),
126 'iso_code': fields.char('ISO code', size=16, required=False, help='This ISO code is the name of po files to use for translations'),
127 'translatable': fields.boolean('Translatable'),
128 'active': fields.boolean('Active'),
129 'direction': fields.selection([('ltr', 'Left-to-Right'), ('rtl', 'Right-to-Left')], 'Direction',required=True),
130 'date_format':fields.char('Date Format',size=64,required=True),
131 'time_format':fields.char('Time Format',size=64,required=True),
132 'grouping':fields.char('Separator Format',size=64,required=True,help="The Separator Format should be like [,n] where 0 < n :starting from Unit digit.-1 will end the separation. e.g. [3,2,-1] will represent 106500 to be 1,06,500;[1,2,-1] will represent it to be 106,50,0;[3] will represent it as 106,500. Provided ',' as the thousand separator in each case."),
133 'decimal_point':fields.char('Decimal Separator', size=64,required=True),
134 'thousands_sep':fields.char('Thousands Separator',size=64),
137 'active': lambda *a: 1,
138 'translatable': lambda *a: 0,
139 'direction': lambda *a: 'ltr',
140 'date_format':_get_default_date_format,
141 'time_format':_get_default_time_format,
142 'grouping':lambda *a: '[]',
143 'decimal_point':lambda *a: '.',
144 'thousands_sep':lambda *a: ',',
147 ('name_uniq', 'unique (name)', 'The name of the language must be unique !'),
148 ('code_uniq', 'unique (code)', 'The code of the language must be unique !'),
152 (_check_format, 'Invalid date/time format directive specified. Please refer to the list of allowed directives, displayed when you edit a language.', ['time_format', 'date_format'])
155 @tools.cache(skiparg=3)
156 def _lang_data_get(self, cr, uid, lang_id, monetary=False):
158 lang_obj = self.browse(cr, uid, lang_id)
159 thousands_sep = lang_obj.thousands_sep or conv[monetary and 'mon_thousands_sep' or 'thousands_sep']
160 decimal_point = lang_obj.decimal_point
161 grouping = lang_obj.grouping
162 return (grouping, thousands_sep, decimal_point)
164 def write(self, cr, uid, ids, vals, context=None):
166 self._lang_data_get.clear_cache(cr.dbname,lang_id= lang_id)
167 return super(lang, self).write(cr, uid, ids, vals, context)
169 def unlink(self, cr, uid, ids, context=None):
172 languages = self.read(cr, uid, ids, ['code','active'], context=context)
173 for language in languages:
174 ctx_lang = context.get('lang')
175 if language['code']=='en_US':
176 raise osv.except_osv(_('User Error'), _("Base Language 'en_US' can not be deleted !"))
177 if ctx_lang and (language['code']==ctx_lang):
178 raise osv.except_osv(_('User Error'), _("You cannot delete the language which is User's Preferred Language !"))
179 if language['active']:
180 raise osv.except_osv(_('User Error'), _("You cannot delete the language which is Active !\nPlease de-activate the language first."))
181 trans_obj = self.pool.get('ir.translation')
182 trans_ids = trans_obj.search(cr, uid, [('lang','=',language['code'])], context=context)
183 trans_obj.unlink(cr, uid, trans_ids, context=context)
184 return super(lang, self).unlink(cr, uid, ids, context=context)
186 def format(self, cr, uid, ids, percent, value, grouping=False, monetary=False):
187 """ Format() will return the language-specific output for float values"""
189 if percent[0] != '%':
190 raise ValueError("format() must be given exactly one %char format specifier")
192 lang_grouping, thousands_sep, decimal_point = self._lang_data_get(cr, uid, ids[0], monetary)
193 eval_lang_grouping = eval(lang_grouping)
195 formatted = percent % value
196 # floats and decimal ints need special action!
197 if percent[-1] in 'eEfFgG':
199 parts = formatted.split('.')
202 parts[0], seps = intersperse(parts[0], eval_lang_grouping, thousands_sep)
204 formatted = decimal_point.join(parts)
206 sp = formatted.find(' ')
208 formatted = formatted[:sp] + formatted[sp+1:]
210 elif percent[-1] in 'diu':
212 formatted = intersperse(formatted, eval_lang_grouping, thousands_sep)[0]
216 # import re, operator
217 # _percent_re = re.compile(r'%(?:\((?P<key>.*?)\))?'
218 # r'(?P<modifiers>[-#0-9 +*.hlL]*?)[eEfFgGdiouxXcrs%]')
222 def original_group(s, grouping, thousands_sep=''):
236 while s and grouping:
237 # if grouping is -1, we are done
238 if grouping[0] == -1:
240 # 0: re-use last group ad infinitum
241 elif grouping[0] != 0:
244 grouping = grouping[1:]
246 result = s[-group:] + thousands_sep + result
251 if s and s[-1] not in "0123456789":
252 # the leading string is only spaces and signs
253 return s + result + spaces, seps
255 return s + spaces, seps
257 result = s + thousands_sep + result
259 return result + spaces, seps
261 def split(l, counts):
264 >>> split("hello world", [])
266 >>> split("hello world", [1])
268 >>> split("hello world", [2])
270 >>> split("hello world", [2,3])
271 ['he', 'llo', ' world']
272 >>> split("hello world", [2,3,0])
273 ['he', 'llo', ' wo', 'rld']
274 >>> split("hello world", [2,-1,3])
279 saved_count = len(l) # count to use when encoutering a zero
285 res.append(l[:saved_count])
288 res.append(l[:count])
295 intersperse_pat = re.compile('([^0-9]*)([^ ]*)(.*)')
297 def intersperse(string, counts, separator=''):
300 See the asserts below for examples.
303 left, rest, right = intersperse_pat.match(string).groups()
304 def reverse(s): return s[::-1]
305 splits = split(reverse(rest), counts)
306 res = separator.join(map(reverse, reverse(splits)))
307 return left + res + right, len(splits) > 0 and len(splits) -1 or 0
309 # TODO rewrite this with a unit test library
310 def _group_examples():
311 for g in [original_group, intersperse]:
312 # print "asserts on", g.func_name
313 assert g("", []) == ("", 0)
314 assert g("0", []) == ("0", 0)
315 assert g("012", []) == ("012", 0)
316 assert g("1", []) == ("1", 0)
317 assert g("12", []) == ("12", 0)
318 assert g("123", []) == ("123", 0)
319 assert g("1234", []) == ("1234", 0)
320 assert g("123456789", []) == ("123456789", 0)
321 assert g("&ab%#@1", []) == ("&ab%#@1", 0)
323 assert g("0", []) == ("0", 0)
324 assert g("0", [1]) == ("0", 0)
325 assert g("0", [2]) == ("0", 0)
326 assert g("0", [200]) == ("0", 0)
328 # breaks original_group:
329 if g.func_name == 'intersperse':
330 assert g("12345678", [0], '.') == ('12345678', 0)
331 assert g("", [1], '.') == ('', 0)
332 assert g("12345678", [1], '.') == ('1234567.8', 1)
333 assert g("12345678", [1], '.') == ('1234567.8', 1)
334 assert g("12345678", [2], '.') == ('123456.78', 1)
335 assert g("12345678", [2,1], '.') == ('12345.6.78', 2)
336 assert g("12345678", [2,0], '.') == ('12.34.56.78', 3)
337 assert g("12345678", [-1,2], '.') == ('12345678', 0)
338 assert g("12345678", [2,-1], '.') == ('123456.78', 1)
339 assert g("12345678", [2,0,1], '.') == ('12.34.56.78', 3)
340 assert g("12345678", [2,0,0], '.') == ('12.34.56.78', 3)
341 assert g("12345678", [2,0,-1], '.') == ('12.34.56.78', 3)
344 assert original_group("abc1234567xy", [2], '.') == ('abc1234567.xy', 1)
345 assert original_group("abc1234567xy8", [2], '.') == ('abc1234567xy8', 0) # difference here...
346 assert original_group("abc12", [3], '.') == ('abc12', 0)
347 assert original_group("abc12", [2], '.') == ('abc12', 0)
348 assert original_group("abc12", [1], '.') == ('abc1.2', 1)
350 assert intersperse("abc1234567xy", [2], '.') == ('abc1234567.xy', 1)
351 assert intersperse("abc1234567xy8", [2], '.') == ('abc1234567x.y8', 1) # ... w.r.t. here.
352 assert intersperse("abc12", [3], '.') == ('abc12', 0)
353 assert intersperse("abc12", [2], '.') == ('abc12', 0)
354 assert intersperse("abc12", [1], '.') == ('abc1.2', 1)
357 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: