# Copyright 2013 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
import os
from pipes import quote
from ..classy import ClassyProject
from ..version import string as version_string
blacklist = frozenset(''.join(chr(i) for i in range(0x20)) + '#$')
def validate(s):
return s == s.strip() and not frozenset(s) & blacklist
class MakeHook(object):
__slots__ = ('infile', 'outfile')
def __init__(self, infile, outfile):
self.infile = infile
self.outfile = outfile
def __call__(self, build):
if self.outfile is None:
# if there are multiple backends
print('Skipping generation of a makefile')
return
with open(os.path.join(build.builddir, self.outfile), 'w') as out:
print('Generating a makefile ...')
out.write('# This part was generated by %s\n' % version_string)
out.write('SRC_DIR = %s\n' % build.relative_source())
out.write('\n')
# TODO preserve *original* order?
for var, (val, origin) in sorted(build.vars.iteritems()):
if val is None:
if origin == 'default':
continue
# is it a good idea for Nones to survive this long?
# especially conditional ones ...
var = '# ' + var
val = 'not defined'
elif isinstance(val, list):
val = ' '.join(quote(a) for a in val)
elif isinstance(val, str):
val = quote(val)
else:
print('Assuming it\'s safe to print an instance of',
type(val).__name__, '...')
out.write('%s = %s # %s\n' % (var, val, origin))
if self.infile is not None:
out.write('\n# The rest was copied from %s\n' % self.infile)
infile = os.path.join(build.project.srcdir, self.infile)
with open(infile) as in_:
for line in in_:
assert line.endswith('\n')
out.write(line)
class Make(ClassyProject):
''' Post hook to generate a Makefile from Makefile.in
'''
__slots__ = ()
@classmethod
def slots(cls):
return super(Make, cls).slots() + ('make_in', 'make_out')
def __init__(self, srcdir):
super(Make, self).__init__(srcdir)
self.set_make_infile('Makefile.in')
self.set_make_outfile('Makefile') # relative to build dir
def set_make_infile(self, ipath):
self.make_in = ipath
def set_make_outfile(self, opath):
self.make_out = opath
def post(self):
super(Make, self).post()
self.checks.append(MakeHook(self.make_in, self.make_out))
