Adding lib/pp_admintools/xlate.py

diff --git a/lib/pp_admintools/xlate.py b/lib/pp_admintools/xlate.py
new file mode 100644 (file)
index 0000000..770ff82
--- /dev/null
+++ b/lib/pp_admintools/xlate.py
@@ -0,0 +1,105 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+"""
+@author: Frank Brehm
+@contact: frank@brehm-online.com
+@copyright: © 2021 by Frank Brehm, Berlin
+@summary: The module for i18n.
+          It provides translation object, usable from all other
+          modules in this package.
+"""
+from __future__ import absolute_import, print_function
+
+# Standard modules
+import logging
+import gettext
+import copy
+
+try:
+    from pathlib import Path
+except ImportError:
+    from pathlib2 import Path
+
+from distutils.version import LooseVersion
+
+# Third party modules
+import babel
+import babel.lists
+from babel.support import Translations
+
+DOMAIN = 'fb_pdnstools'
+
+LOG = logging.getLogger(__name__)
+
+__version__ = '0.1.0'
+
+__me__ = Path(__file__).resolve()
+__module_dir__ = __me__.parent
+__lib_dir__ = __module_dir__.parent
+__base_dir__ = __lib_dir__.parent
+LOCALE_DIR = __base_dir__.joinpath('locale')
+if not LOCALE_DIR.is_dir():
+    LOCALE_DIR = __module_dir__.joinpath('locale')
+    if not LOCALE_DIR.is_dir():
+        LOCALE_DIR = None
+
+DEFAULT_LOCALE_DEF = 'en_US'
+DEFAULT_LOCALE = babel.core.default_locale()
+if not DEFAULT_LOCALE:
+    DEFAULT_LOCALE = DEFAULT_LOCALE_DEF
+
+__mo_file__ = gettext.find(DOMAIN, str(LOCALE_DIR))
+if __mo_file__:
+    try:
+        with open(__mo_file__, 'rb') as F:
+            XLATOR = Translations(F, DOMAIN)
+    except IOError:
+        XLATOR = gettext.NullTranslations()
+else:
+    XLATOR = gettext.NullTranslations()
+
+CUR_BABEL_VERSION = LooseVersion(babel.__version__)
+NEWER_BABEL_VERSION = LooseVersion('2.6.0')
+
+SUPPORTED_LANGS = (
+    'de_DE',
+    'en_US'
+)
+
+_ = XLATOR.gettext
+
+
+# =============================================================================
+def format_list(lst, do_repr=False, style='standard', locale=DEFAULT_LOCALE):
+    """
+    Format the items in `lst` as a list.
+    :param lst: a sequence of items to format in to a list
+    :param locale: the locale
+    """
+    if not lst:
+        return ''
+
+    my_list = copy.copy(lst)
+    if do_repr:
+        my_list = []
+        for item in lst:
+            my_list.append('{!r}'.format(item))
+
+    if CUR_BABEL_VERSION < NEWER_BABEL_VERSION:
+        return babel.lists.format_list(my_list, locale=locale)
+    return babel.lists.format_list(my_list, style=style, locale=locale)
+
+
+# =============================================================================
+
+if __name__ == "__main__":
+
+    print(_("Module directory: {!r}").format(__module_dir__))
+    print(_("Base directory: {!r}").format(__base_dir__))
+    print(_("Locale directory: {!r}").format(LOCALE_DIR))
+    print(_("Locale domain: {!r}").format(DOMAIN))
+    print(_("Found .mo-file: {!r}").format(__mo_file__))
+
+# =============================================================================
+
+# vim: tabstop=4 expandtab shiftwidth=4 softtabstop=4