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# Copyright (C) 2000-2010 by the Free Software Foundation, Inc.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
# USA.
import locale
import sys
import time
import gettext
from types import StringType, UnicodeType
from Mailman import mm_cfg
from Mailman.SafeDict import SafeDict
_translation = None
def _get_ctype_charset():
old = locale.setlocale(locale.LC_CTYPE, '')
charset = locale.nl_langinfo(locale.CODESET)
locale.setlocale(locale.LC_CTYPE, old)
return charset
_ctype_charset = _get_ctype_charset()
def set_language(language=None):
global _translation
if language is not None:
language = [language]
try:
_translation = gettext.translation('mailman', mm_cfg.MESSAGES_DIR,
language)
except IOError:
# The selected language was not installed in messages, so fall back to
# untranslated English.
_translation = gettext.NullTranslations()
def get_translation():
return _translation
def set_translation(translation):
global _translation
_translation = translation
# Set up the global translation based on environment variables. Mostly used
# for command line scripts.
if _translation is None:
set_language()
def _(s, frame = 1):
if s == '':
return s
assert s
# Do translation of the given string into the current language, and do
# Ping-string interpolation into the resulting string.
#
# This lets you write something like:
#
# now = time.ctime(time.time())
# print _('The current time is: %(now)s')
#
# and have it Just Work. Note that the lookup order for keys in the
# original string is 1) locals dictionary, 2) globals dictionary.
#
# First, get the frame of the caller
frame = sys._getframe(frame)
# A `safe' dictionary is used so we won't get an exception if there's a
# missing key in the dictionary.
dict = SafeDict(frame.f_globals.copy())
dict.update(frame.f_locals)
# Translating the string returns an encoded 8-bit string. Rather than
# turn that into a Unicode, we turn any Unicodes in the dictionary values
# into encoded 8-bit strings. BAW: Returning a Unicode here broke too
# much other stuff and _() has many tentacles. Eventually I think we want
# to use Unicode everywhere.
tns = _translation.gettext(s)
charset = _translation.charset()
if not charset:
charset = 'us-ascii'
for k, v in dict.items():
if isinstance(v, UnicodeType):
dict[k] = v.encode(charset, 'replace')
try:
return tns % dict
except (ValueError, TypeError):
# Bad interpolation format. Punt.
return tns
def tolocale(s):
global _ctype_charset
if isinstance(s, UnicodeType):
return s
source = _translation.charset ()
if not source:
return s
return unicode(s, source, 'replace').encode(_ctype_charset, 'replace')
def C_(s):
return tolocale(_(s, 2))
def ctime(date):
# Don't make these module globals since we have to do runtime translation
# of the strings anyway.
daysofweek = [
_('Mon'), _('Tue'), _('Wed'), _('Thu'),
_('Fri'), _('Sat'), _('Sun')
]
months = [
'',
_('Jan'), _('Feb'), _('Mar'), _('Apr'), _('May'), _('Jun'),
_('Jul'), _('Aug'), _('Sep'), _('Oct'), _('Nov'), _('Dec')
]
tzname = _('Server Local Time')
if isinstance(date, StringType):
try:
year, mon, day, hh, mm, ss, wday, ydat, dst = time.strptime(date)
if dst in (0,1):
tzname = time.tzname[dst]
else:
# MAS: No exception but dst = -1 so try
return ctime(time.mktime((year, mon, day, hh, mm, ss, wday,
ydat, dst)))
except (ValueError, AttributeError):
try:
wday, mon, day, hms, year = date.split()
hh, mm, ss = hms.split(':')
year = int(year)
day = int(day)
hh = int(hh)
mm = int(mm)
ss = int(ss)
except ValueError:
return date
else:
for i in range(0, 7):
wconst = (1999, 1, 1, 0, 0, 0, i, 1, 0)
if wday.lower() == time.strftime('%a', wconst).lower():
wday = i
break
for i in range(1, 13):
mconst = (1999, i, 1, 0, 0, 0, 0, 1, 0)
if mon.lower() == time.strftime('%b', mconst).lower():
mon = i
break
else:
year, mon, day, hh, mm, ss, wday, yday, dst = time.localtime(date)
if dst in (0,1):
tzname = time.tzname[dst]
wday = daysofweek[wday]
mon = months[mon]
return _('%(wday)s %(mon)s %(day)2i %(hh)02i:%(mm)02i:%(ss)02i '
'%(tzname)s %(year)04i')
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