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# Author: Robert Collins <robert.collins@canonical.com>
#
# Copyright 2010 Canonical Ltd.
#
# This program is free software: you can redistribute it and/or modify it
# under the terms of the GNU General Public License version 3, as published
# by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranties of
# MERCHANTABILITY, SATISFACTORY QUALITY, 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, see <http://www.gnu.org/licenses/>.
from __future__ import with_statement
"""Configuration glue for lptools."""
__all__ = [
"data_dir",
"ensure_dir",
"get_launchpad",
]
import os
import os.path
from launchpadlib.launchpad import Launchpad
def ensure_dir(dir):
"""Ensure that dir exists."""
if not os.path.isdir(dir):
os.makedirs(dir)
def get_launchpad(appname, instance=None):
"""Get a login to launchpad for lptools caching in cachedir.
Note that caching is not multiple-process safe in launchpadlib,
and the appname parameter is used to create per-app cachedirs.
:param appname: The name of the app used to create per-app
cachedirs.
:param instance: Launchpad instance to use
"""
if instance is None:
instance = os.getenv("LPINSTANCE")
if instance is None:
instance = "production"
return Launchpad.login_with("lptools-%s" % appname, instance)
def data_dir():
"""Return the arch-independent data directory.
"""
# Running from source directory?
ret = os.path.join(os.path.dirname(__file__), "..")
if os.path.exists(os.path.join(ret, "templates")):
return ret
else:
return os.path.abspath(os.path.join(os.path.dirname(__file__),
"../../../../share/lptools"))