Move Mac localization settings inside Gramps. (r17707)
svn: r17708
This commit is contained in:
John Ralls
parent
685021e146
commit
20526c3933
262
src/MacTransUtils.py
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262
src/MacTransUtils.py
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@ -0,0 +1,262 @@
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#
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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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@ -1,5 +1,5 @@
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# This is the src level Makefile for Gramps
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# $Id$
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# $Id: Makefile.am 16464 2011-01-24 21:50:06Z bmcage $
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SUBDIRS = \
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cli \
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@ -41,6 +41,7 @@ gdir_PYTHON = \
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LdsUtils.py \
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ListModel.py\
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Lru.py\
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MacTransUtils.py\
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ManagedWindow.py\
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QuestionDialog.py\
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QuickReports.py\
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@ -41,22 +41,12 @@ import locale
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#
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#-------------------------------------------------------------------------
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import const
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from constfunc import mac
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#-------------------------------------------------------------------------
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#
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# Public Constants
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#
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#-------------------------------------------------------------------------
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lang = ' '
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try:
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lang = os.environ["LANG"]
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except:
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lang = locale.getlocale()[0]
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if not lang:
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lang = '.'.join((locale.getdefaultlocale()[0], 'utf-8'))
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os.environ["LANG"] = lang
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os.environ["LANGUAGE"] = lang
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if "GRAMPSI18N" in os.environ:
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LOCALEDIR = os.environ["GRAMPSI18N"]
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elif os.path.exists( os.path.join(const.ROOT_DIR, "lang") ):
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@ -74,6 +64,24 @@ else:
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LOCALEDOMAIN = 'gramps'
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if mac():
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import MacTransUtils
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MacTransUtils.mac_setup_localization(LOCALEDIR, LOCALEDOMAIN)
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else:
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lang = ' '
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try:
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lang = os.environ["LANG"]
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except KeyError:
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lang = locale.getlocale()[0]
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if not lang:
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try:
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lang = locale.getdefaultlocale()[0] + '.UTF-8'
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except TypeError:
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pass
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os.environ["LANG"] = lang
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os.environ["LANGUAGE"] = lang
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#-------------------------------------------------------------------------
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#
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# Public Functions
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@ -196,7 +204,7 @@ def setup_windows_gettext():
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lang = ' '
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try:
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lang = os.environ["LANG"]
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except:
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except KeyError:
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# if LANG is not set
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lang = locale.getlocale()[0]
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if not lang:
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@ -288,3 +296,4 @@ def get_available_translations():
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languages.sort()
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return languages
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