ee5d62701e
This turns out to be a codeset-setting issue, where unicode() returns different (perfectly valid) encodings of the words depending upon which codeset it's given. There's also a problem with using locale.getpreferredencoding() on OSX: It returns "mac roman", pretty much regardless of the environment locale settings. This isn't correct for recent versions of OSX under any circumstances, so this change also disables calling it on macs. svn: r17859
264 lines
9.7 KiB
Python
264 lines
9.7 KiB
Python
#
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# Gramps - a GTK+/GNOME based genealogy program
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#
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# Copyright (C) 2011 John Ralls, Fremont, CA
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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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# Mac Localization Functions
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###
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"""
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There is something of a mismatch between native Mac localization and
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that of Gtk applications like Gramps because Apple chose to use IBM's
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more modern and more complete International Components for Unicode
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(ICU) for the purpose rather than the older POSIX and gettext based
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localization used by Gtk (and most other Linux applications).
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For Gramps, the system defaults settings will be used only if the user
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hasn't set the corresponding environment variable already.
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Apple's language list maps nicely to gettext's LANGUAGE environment
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variable, so we use that if it's set. There's an additional
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MULTI-TRANSLATION environment variable which the user can set to allow
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incomplete translations to be supplemented from other translations on
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the list before resorting to the default english. Many users find this
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disconcerting, though, so it's not enabled by default. If the user
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hasn't set a translation list (this happens occasionally), we'll check
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the locale and collation settings and use either to set $LANGUAGE if
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it's set to a non-english locale.
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Similarly, Apple provides an "Order for sorted lists" which maps
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directly to LC_COLLATE, and a Format>Region which maps to LANG. (Those
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are the names of the controls in System Preferences; the names in the
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defaults system are AppleCollationOrder and AppleLocale,
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respectively.)
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The user can override the currency and calendar, and those values are
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appended to AppleLocale and parsed below. But Gramps makes no use of
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currency and sets the calendar in its own preferences, so they're
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ignored.
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Where the mismatch becomes a problem is in date and number
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formatting. POSIX specifies a locale for this, but ICU uses format
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strings, and there is no good way to map those strings into one of the
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available locales. Users who whan to specify particular ways of
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formatting different from their base locales will have to figure out
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the appropriate locale on their own and set LC_TIME and LC_NUMERIC
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appropriately. The "Formats" page on the Languages & Text
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(International in Leopard) System Preferences pane is a good way to
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quickly assess the formats in various locales.
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Neither Gramps nor Gtk supply a separate English translation, so if we
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encounter English in the language list we substitute "C"; if we must
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set $LANGUAGE from either locale or collation, we ignore an English
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locale, leaving $LANGUAGE unset (which is the same as setting it to
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"C".
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"""
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import os, subprocess
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def get_available_translations(dir, domain):
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"""
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Get a list of available translations.
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:returns: A list of translation languages.
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:rtype: unicode[]
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"""
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languages = ["en"]
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if dir is None:
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return languages
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for langdir in os.listdir(dir):
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mofilename = os.path.join( dir, langdir,
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"LC_MESSAGES", "%s.mo" % domain )
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if os.path.exists(mofilename):
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languages.append(langdir)
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languages.sort()
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return languages
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def mac_setup_localization(dir, domain):
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defaults = "/usr/bin/defaults"
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find = "/usr/bin/find"
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locale_dir = "/usr/share/locale"
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available = get_available_translations(dir, domain)
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def mac_language_list():
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languages = []
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try:
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languages = subprocess.Popen(
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[defaults, "read", "-app", "Gramps", "AppleLanguages"],
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stderr=open("/dev/null"),
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stdout=subprocess.PIPE).communicate()[0].strip("()\n").split(",\n")
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except OSError:
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pass
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if len(languages) == 0 or (len(languages) == 1 and languages[0] == ""):
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# try:
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languages = subprocess.Popen(
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[defaults, "read", "-g", "AppleLanguages"],
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stderr=open("/dev/null"),
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stdout=subprocess.PIPE).communicate()[0].strip("()\n").split(",\n")
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# except OSError:
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# pass
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usable = []
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for lang in languages:
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lang = lang.strip().strip('"').replace("-", "_", 1)
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if lang == "cn_Hant": #Traditional; Gettext uses cn_TW
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lang = "cn_TW"
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if lang == "cn_Hans": #Simplified; Gettext uses cn_CN
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lang = "cn_CN"
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if lang.startswith("en"): # Gramps doesn't have explicit
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usable.append("C") # English translation, use C
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continue
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if lang in available or lang[:2] in available:
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usable.append(lang)
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return usable
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def mac_get_locale():
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locale = ""
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calendar = ""
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currency = ""
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default_locale = ""
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try:
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default_locale = subprocess.Popen(
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[defaults, "read", "-app", "Gramps", "AppleLocale"],
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stderr = open("/dev/null"),
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stdout = subprocess.PIPE).communicate()[0]
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except OSError:
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pass
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if not default_locale:
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try:
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default_locale = subprocess.Popen(
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[defaults, "read", "-g", "AppleLocale"],
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stderr = open("/dev/null"),
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stdout = subprocess.PIPE).communicate()[0]
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except OSError:
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return (locale, calendar, currency)
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div = default_locale.split("@")
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locale = div[0]
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if len(div) > 1:
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div = div[1].split(";")
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for phrase in div:
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try:
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(name, value) = phrase.split("=")
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if name == "calendar":
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calendar = value
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elif name == "currency":
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currency = value
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except OSError:
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pass
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return (locale, calendar, currency)
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def mac_get_collation():
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collation = ""
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try:
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collation = subprocess.Popen(
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[defaults, "read", "-app", "Gramps", "AppleCollationOrder"],
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stderr = open("/dev/null"),
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stdout = subprocess.PIPE).communicate()[0]
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except OSError:
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pass
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if not collation:
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try:
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collation = subprocess.Popen(
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[defaults, "read", "-g", "AppleCollationOrder"],
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stderr = open("/dev/null"),
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stdout = subprocess.PIPE).communicate()[0]
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except OSError:
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pass
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return collation
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# Locale.setlocale() will throw if any LC_* environment variable isn't
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# a fully qualified one present in
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# /usr/share/locale. mac_resolve_locale ensures that a locale meets
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# that requirement.
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def mac_resolve_locale(loc):
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if len(loc) < 2:
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return None
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if len(loc) >= 5 and os.path.exists(os.path.join(locale_dir, loc[:5])):
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return loc[:5]
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if len(loc) > 2:
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loc = loc[:2]
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# First see if it matches lang
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if (lang.startswith(loc)
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and os.path.exists(os.path.join(locale_dir, lang[:5]))):
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return lang[:5]
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else:
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# OK, no, look through the translation list, but that's not likely
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# to be 5 letters long either
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for l in translations:
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if (l.startswith(loc) and len(l) >= 5
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and os.path.exists(os.path.join(locale_dir, l[:5]))):
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return l[:5]
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break
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else:
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# so as a last resort, pick the first one for that language.
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locale_list = subprocess.Popen(
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[find, locale_dir, "-name", loc + "_[A-Z][A-Z]"],
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stderr = open("/dev/null"),
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stdout = subprocess.PIPE).communicate()[0].strip("()\n").split(",\n")
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if len(locale_list) > 0:
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return os.path.basename(locale_list[0])
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else:
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return None
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# The action starts here
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(loc, currency, calendar) = mac_get_locale()
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collation = mac_get_collation()
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translations = mac_language_list()
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if not os.environ.has_key("LANGUAGE"):
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if len(translations) > 0:
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if os.environ.has_key("MULTI_TRANSLATION"):
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os.environ["LANGUAGE"] = ":".join(translations)
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else:
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os.environ["LANGUAGE"] = translations[0]
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elif (len(locale) > 0 and locale in available
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and not locale.starts_with("en")):
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os.environ["LANGUAGE"] = locale
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elif (len(collation) > 0 and collation in available
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and not collation.starts_with("en")):
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os.environ["LANGUAGE"] = collation
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if not os.environ.has_key("LANG"):
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lang = "en_US"
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loc = mac_resolve_locale(loc)
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if loc != None:
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lang = loc
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collation = mac_resolve_locale(collation)
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if not os.environ.has_key("LC_COLLATE") and collation != None:
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os.environ["LC_COLLATE"] = collation
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elif len(collation) > 0:
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lang = mac_resolve_locale(collation)
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if lang != None:
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os.environ["LANG"] = lang
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os.environ["LC_CTYPE"] = lang + ".UTF-8"
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