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# Copyright (c) 2013 Hewlett-Packard Development Company, L.P.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# Copyright (C) 2013 Association of Universities for Research in Astronomy
# (AURA)
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following
# disclaimer in the documentation and/or other materials provided
# with the distribution.
#
# 3. The name of AURA and its representatives may not be used to
# endorse or promote products derived from this software without
# specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY AURA ``AS IS'' AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL AURA BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
# TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
# USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
# DAMAGE.
from distutils.core import Distribution as _Distribution
from distutils.errors import DistutilsFileError, DistutilsSetupError
import os
import sys
import warnings
from distutils import log
import pkg_resources
from setuptools.dist import _get_unpatched
from .extern import six
from oslo.packaging import util
_Distribution = _get_unpatched(_Distribution)
log.set_verbosity(log.INFO)
def setup(dist, attr, value):
"""Implements the actual oslo.packaging setup() keyword.
When used, this should be the only keyword in your setup() aside from
`setup_requires`.
This works by reading the setup.cfg file, parsing out the supported
metadata and command options, and using them to rebuild the
`DistributionMetadata` object and set the newly added command options.
The reason for doing things this way is that a custom `Distribution` class
will not play nicely with setup_requires; however, this implementation may
not work well with distributions that do use a `Distribution` subclass.
"""
log.info("[oslo.packaging] Processing setup.cfg")
if not value:
return
path = os.path.abspath('setup.cfg')
if not os.path.exists(path):
raise DistutilsFileError(
'The setup.cfg file %s does not exist.' % path)
# Converts the setup.cfg file to setup() arguments
try:
attrs = util.cfg_to_args(path)
except:
e = sys.exc_info()[1]
raise DistutilsSetupError(
'Error parsing %s: %s: %s' % (path, e.__class__.__name__,
six.u(e)))
# Repeat some of the Distribution initialization code with the newly
# provided attrs
if attrs:
# Handle additional setup processing
if 'setup_requires' in attrs:
chainload_setups(dist, attrs['setup_requires'])
for ep in pkg_resources.iter_entry_points(
'oslo.packaging.attr_filters'):
filter_method = ep.load()
attrs = filter_method(attrs)
# Skips 'options' and 'licence' support which are rarely used; may add
# back in later if demanded
for key, val in six.iteritems(attrs):
if hasattr(dist.metadata, 'set_' + key):
getattr(dist.metadata, 'set_' + key)(val)
elif hasattr(dist.metadata, key):
setattr(dist.metadata, key, val)
elif hasattr(dist, key):
setattr(dist, key, val)
else:
msg = 'Unknown distribution option: %s' % repr(key)
warnings.warn(msg)
# Re-finalize the underlying Distribution
_Distribution.finalize_options(dist)
# This bit comes out of distribute/setuptools
if isinstance(dist.metadata.version, six.integer_types + (float,)):
# Some people apparently take "version number" too literally :)
dist.metadata.version = str(dist.metadata.version)
def chainload_setups(dist, requires_list):
try:
import pip.command.install
except ImportError:
from setuptools.command.easy_install import easy_install
cmd = easy_install(dist, args=["x"], install_dir=os.curdir,
exclude_scripts=True, always_copy=False,
build_directory=None, editable=False,
upgrade=False, multi_version=True, no_report=True)
cmd.ensure_finalized()
cmd.easy_install("req")
import pip.command.install
pip_install = pip.command.install.InstallCommand()
pip_install.run({}, requires_list)
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