"""

i18n.py - internationalization support for mercurial

Copyright 2005, 2006 Matt Mackall <mpm@selenic.com>

This software may be used and distributed according to the terms

of the GNU General Public License, incorporated herein by reference.

"""

import gettext, sys, os

# modelled after templater.templatepath:

if hasattr(sys, 'frozen'):

    module = sys.executable

else:

    module = __file__

base = os.path.dirname(module)

for dir in ('.', '..'):

    localedir = os.path.normpath(os.path.join(base, dir, 'locale'))

    if os.path.isdir(localedir):

        break

t = gettext.translation('hg', localedir, fallback=True)

def gettext(message):

    """Translate message.

    The message is looked up in the catalog to get a Unicode string,

    which is encoded in the local encoding before being returned.

    Important: message is restricted to characters in the encoding

    given by sys.getdefaultencoding() which is most likely 'ascii'.

    """

    # If message is None, t.ugettext will return u'None' as the

    # translation whereas our callers expect us to return None.

    if message is None:

        return message

    # We cannot just run the text through util.tolocal since that

    # leads to infinite recursion when util._encoding is invalid.

    try:

        u = t.ugettext(message)

        return u.encode(util._encoding, "replace")

    except LookupError:

        return message

_ = gettext

# Moved after _ because of circular import.

import util