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# ImSwitch.py (c) 2006 Canonical, released under the GPL
#
# This file implements a interface to im-switch
#
from LocaleInfo import LocaleInfo
import os
import sys
import subprocess
class ImSwitch(object):
# some global data
global_confdir = "/etc/X11/xinit/xinput.d/"
local_confdir = os.path.expanduser("~/.xinput.d/")
bin = "/usr/bin/im-switch"
default_method = "ibus"
blacklist_file = "/usr/share/language-selector/data/im-switch.blacklist"
def __init__(self):
pass
def available(self):
" return True if im-switch is available at all "
return os.path.exists(self.bin)
def removeDanglingSymlinks(self):
for dir in (self.local_confdir, self.global_confdir):
if os.path.exists(dir):
for dentry in os.listdir(dir):
if not os.path.exists("%s/%s" % (dir, dentry)):
os.unlink("%s/%s" % (dir, dentry))
def enabledForLocale(self, locale):
" check if we have a config for this specifc locale (e.g. ja_JP) "
for dir in (self.local_confdir, self.global_confdir):
for name in (locale, "all_ALL"):
target = os.path.join(dir,name)
#print "checking im-switch config: ", target, os.path.basename(os.path.realpath(target))
if os.path.exists(target):
im_name = os.path.basename(os.path.realpath(target))
if im_name in ("none", "default"):
#print "points to none or default"
return False
#print "points to real config"
return True
return False
def enable(self, locale):
" enable input methods for locale"
# try auto first
subprocess.call(["im-switch","-z",locale,"-a"])
# if no config is set, force the default
if not self.enabledForLocale(locale):
subprocess.call(["im-switch","-z",locale,
"-s", self.default_method])
def disable(self, locale):
" disable input method for locale "
# remove local config first
if os.path.exists(os.path.join(self.local_confdir, locale)):
os.unlink(os.path.join(self.local_confdir, locale))
# see if we still have a input method and if so, force "none"
if self.enabledForLocale(locale):
subprocess.call(["im-switch","-z",locale,"-s","none"])
def getInputMethodForLocale(self, locale):
for dir in (self.local_confdir, self.global_confdir):
if os.path.exists(dir):
for name in (locale, "all_ALL"):
target = os.path.join(dir,name)
if os.path.exists(target):
return os.path.basename(os.path.realpath(target))
return None
def setInputMethodForLocale(self, im, locale):
if not os.path.exists(self.local_confdir):
os.mkdir(self.local_confdir)
subprocess.call(["im-switch","-z",locale,"-s",im])
def getAvailableInputMethods(self):
""" return the input methods available via im-switch """
# load blacklist
blacklist = []
for l in open(self.blacklist_file):
l = l.strip()
if l and not l.startswith('#'):
blacklist.append(l)
# now get available methods
inputMethods = []
for dentry in os.listdir(self.global_confdir):
if (not os.path.islink(self.global_confdir+dentry) and
not dentry in blacklist):
inputMethods.append(dentry)
return ['none']+sorted(inputMethods)
def setDefaultInputMethod(self, method, locale="all_ALL"):
""" sets the default input method for the given locale
(in ll_CC form)
"""
l = self.confdir+locale
if os.path.islink(l):
os.unlink(l)
os.symlink(self.confdir+method, l)
return True
def resetDefaultInputMethod(self, locale="all_ALL"):
""" reset the default input method to auto (controlled by
im-switch
"""
d = "/etc/alternatives/xinput-%s" % locale
l = self.confdir+locale
if os.path.islink(l):
os.unlink(l)
os.symlink(d, self.confdir+locale)
return True
def getCurrentInputMethod(self, locale="all_ALL"):
""" get the current default input method for the selected
locale (in ll_CC form)
"""
return os.path.basename(os.path.realpath(self.local_confdir+locale))
if __name__ == "__main__":
im = ImSwitch()
# print im.getInputMethodForLocale("ja_JP")
# print im.enabledForLocale("all_ALL")
print "available input methods: "
print im.getAvailableInputMethods()
print "current method: ",
print im.getCurrentInputMethod()
sys.exit(1)
print "switching to 'th-xim': ",
print im.setDefaultInputMethod("th-xim")
print "current method: ",
print im.getCurrentInputMethod()
print "reset default: ",
print im.resetDefaultInputMethod()
print "current method: ",
print im.getCurrentInputMethod()
