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__pycache__	[ DIR ]	drwxr-xr-x
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config.py	9 KB	-rw-r--r--
console.py	29.89 KB	-rw-r--r--
core.py	90.84 KB	-rw-r--r--
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debconf.py	6.24 KB	-rw-r--r--
enums.py	32.34 KB	-rw-r--r--
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gtk3widgets.py	47.25 KB	-rw-r--r--
__init__.py	1.14 KB	-rw-r--r--
lock.py	5.9 KB	-rw-r--r--
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networking.py	9.7 KB	-rw-r--r--
policykit1.py	6.98 KB	-rw-r--r--
progress.py	33.4 KB	-rw-r--r--
utils.py	3.79 KB	-rw-r--r--

Code Editor : utils.py

"""Module with little helper functions and classes:

deprecated - decorator to emit a warning if a depreacted function is used
"""
# Copyright (C) 2008-2009 Sebastian Heinlein <sevel@glatzor.de>
#
# Licensed under the GNU General Public License Version 2
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

__author__ = "Sebastian Heinlein <devel@glatzor.de>"

__all__ = ("deprecated", "IsoCodes")

import os
import sys
import contextlib
import gettext
import functools
import warnings
from xml.etree import ElementTree

if sys.version >= '3':
    _gettext_method = "gettext"
else:
    _gettext_method = "ugettext"

def deprecated(func):
    """This is a decorator which can be used to mark functions
    as deprecated. It will result in a warning being emitted
    when the function is used.

Taken from http://wiki.python.org/moin/PythonDecoratorLibrary
    #GeneratingDeprecationWarnings
    """
    @functools.wraps(func)
    def new_func(*args, **kwargs):
        warnings.warn_explicit(
            "Call to deprecated function %(funcname)s." % {
                'funcname': func.__name__,
            },
            category=DeprecationWarning,
            filename=func.__code__.co_filename,
            lineno=func.__code__.co_firstlineno + 1
        )
        return func(*args, **kwargs)
    return new_func

@contextlib.contextmanager
def set_euid_egid(uid, gid):
    # no need to drop privs
    if os.getuid() != 0 and os.getgid() != 0:
        yield
        return
    # temporary drop privs
    os.setegid(gid)
    old_groups = os.getgroups()
    os.setgroups([gid])
    os.seteuid(uid)
    try:
        yield
    finally:
        os.seteuid(os.getuid())
        os.setegid(os.getgid())
        os.setgroups(old_groups)

class IsoCodes(object):

"""Provides access to the iso-codes language, script and country
    database.
    """

def __init__(self, norm, tag, fallback_tag=None):
        filename = "/usr/share/xml/iso-codes/%s.xml" % norm
        et = ElementTree.ElementTree(file=filename)
        self._dict = {}
        self.norm = norm
        for element in list(et.iter()):
            iso_code = element.get(tag)
            if not iso_code and fallback_tag:
                iso_code = element.get(fallback_tag)
            if iso_code:
                self._dict[iso_code] = element.get("name")

def get_localised_name(self, value, locale):
        try:
            name = self._dict[value]
        except KeyError:
            return None
        trans = gettext.translation(domain=self.norm, fallback=True,
                                    languages=[locale])
        return getattr(trans, _gettext_method)(name)

def get_name(self, value):
        try:
            return self._dict[value]
        except KeyError:
            return None

def split_package_id(package):
    """Return the name, the version number and the release of the
    specified package."""
    if "=" in package:
        name, version = package.split("=", 1)
        release = None
    elif "/" in package:
        name, release = package.split("/", 1)
        version = None
    else:
        name = package
        version = release = None
    return name, version, release

# vim:ts=4:sw=4:et

${this.title}

Code Editor : utils.py