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# Copyright 2013-2015 Ben Longbons <b.r.longbons@gmail.com>
#
# This file is part of attoconf.
#
# attoconf 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 3 of the License, or
# (at your option) any later version.
#
# attoconf 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 attoconf. If not, see <http://www.gnu.org/licenses/>.
from __future__ import print_function, division, absolute_import
from .core import Project, Build
class PolymorphicSlotMergerMetaclass(type):
def __new__(meta, name, bases, dct):
if '__slots__' not in dct:
s = ()
for b in bases:
s2 = b.__dict__.get('_merge_slots_', ())
if isinstance(s2, basestring):
s2 = (s2,)
s += s2
s += dct.get('_merge_slots_', ())
dct['__slots__'] = s
else:
assert dct['__slots__'] == ()
return type.__new__(meta, name, bases, dct)
# TODO: remove *args for 1.0
def __call__(cls, *args, **kwargs):
instance = type.__call__(cls, *args, **kwargs)
if 'package' in kwargs or not isinstance(instance,
__import__('attoconf.lib.install', fromlist=['Install']).Install):
instance._do_jiggle()
return instance
# TODO: remove this for 1.0
def add_slots(cls):
return cls
class ClassyProject(Project):
''' A more convenient, objectish, way of setting up a project.
'''
__slots__ = ()
_merge_slots_ = ()
__metaclass__ = PolymorphicSlotMergerMetaclass
def __init__(self, srcdir):
super(ClassyProject, self).__init__(srcdir)
# TODO: remove this for 1.0
def jiggle(self):
pass
def _do_jiggle(self):
self.order.append(None)
self.general()
self.order.append(None)
self.paths()
self.order.append(None)
self.arches()
self.order.append(None)
self.vars()
self.order.append(None)
self.features()
self.order.append(None)
self.packages()
self.order.append(None)
if 0:
self.tests()
self.order.append(None)
self.post()
self.order.append(None)
def general(self):
''' Registration hook for general options (usually unneeded).
'''
self.add_help('General:', hidden=False)
self.add_alias('--help', ['--help=default'],
help='display standard help, then exit', hidden=False)
self.add_option('--help', init='none',
type=self.do_help, check=None,
help='just display some kind of help instead of configuring', hidden=False,
help_var='KIND')
self.help.add_option('--help=hidden',
help='display help you should never ever ever care about',
hidden=False)
def paths(self):
''' Registration hook for path-related options.
(--prefix, --bindir, etc)
Probably only used by attoconf.lib.install.
'''
def arches(self):
''' Registration hook for arch-related options.
(--build, --host, and sometimes --target)
Typically this changes the prefix of the compiler.
'''
def vars(self):
''' Environment variables (usually capital, don't start with a --).
Usually there is one or two of these for every program needed.
'''
self.add_help('Environment Variables:', hidden=False)
def features(self):
''' Customizations for this package (--enable-*).
'''
self.add_help('Optional Features:', hidden=False)
# TODO add '--disable-option-checking'
self.help.add_option('--disable-FEATURE',
help='do not include FEATURE (same as --enable-FEATURE=no)',
hidden=False)
self.help.add_option('--enable-FEATURE',
help='include FEATURE (same as --enable-FEATURE=yes)',
hidden=False)
def packages(self):
''' Settings related to dependencies (--with-*).
'''
self.add_help('Optional Packages:', hidden=False)
self.help.add_option('--with-PACKAGE',
help='use PACKAGE (same as --with-PACKAGE=yes)',
hidden=False)
self.help.add_option('--without-PACKAGE',
help='do not use PACKAGE (same as --with-PACKAGE=no)',
hidden=False)
if 0: # not sure if really needed
def tests(self):
''' Late tests, but still before post.
'''
def post(self):
''' Special hook for things that need to be done at the very end.
attoconf.post.make
'''
# okay, no more registration hooks
def build(self, bindir):
return Build(self, bindir)
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