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#!/usr/bin/env python3
# Copyright 2014 Jussi Pakkanen
# 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.
import sys, os
import pickle
from optparse import OptionParser
import coredata
from meson import build_types
usage_info = '%prog [build dir] [set commands]'
parser = OptionParser(usage=usage_info, version=coredata.version)
parser.add_option('-D', action='append', default=[], dest='sets',
help='Set an option to the given value.')
class ConfException(Exception):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
class Conf:
def __init__(self, build_dir):
self.build_dir = build_dir
self.coredata_file = os.path.join(build_dir, 'meson-private/coredata.dat')
self.build_file = os.path.join(build_dir, 'meson-private/build.dat')
if not os.path.isfile(self.coredata_file) or not os.path.isfile(self.build_file):
raise ConfException('Directory %s does not seem to be a Meson build directory.' % build_dir)
self.coredata = pickle.load(open(self.coredata_file, 'rb'))
self.build = pickle.load(open(self.build_file, 'rb'))
if self.coredata.version != coredata.version:
raise ConfException('Version mismatch (%s vs %s)' %
(coredata.version, self.coredata.version))
def save(self):
# Only called if something has changed so overwrite unconditionally.
pickle.dump(self.coredata, open(self.coredata_file, 'wb'))
def print_aligned(self, arr):
longest = max((len(x[0]) for x in arr))
for i in arr:
name = i[0]
value = i[1]
padding = ' '*(longest - len(name))
f = '%s:%s' % (name, padding)
print(f, value)
def tobool(self, thing):
if thing.lower() == 'true':
return True
if thing.lower() == 'false':
return False
raise ConfException('Value %s is not boolean (true or false).' % thing)
def set_options(self, options):
for o in options:
if '=' not in o:
raise ConfException('Value "%s" not of type "a=b".' % o)
(k, v) = o.split('=', 1)
if k == 'type':
if v not in build_types:
raise ConfException('Invalid build type %s.' % v)
self.coredata.buildtype = v
elif k == 'strip':
self.coredata.strip = self.tobool(v)
elif k == 'coverage':
v = self.tobool(v)
self.coredata.coverage = self.tobool(v)
elif k == 'pch':
self.coredata.use_pch = self.tobool(v)
elif k == 'unity':
self.coredata.unity = self.tobool(v)
def print_conf(self):
print('Core properties\n')
print('Source dir:', self.build.environment.source_dir)
print('Build dir: ', self.build.environment.build_dir)
print('')
print('Core options\n')
carr = []
carr.append(['Build type', self.coredata.buildtype])
carr.append(['Strip on install', self.coredata.strip])
carr.append(['Coverage', self.coredata.coverage])
carr.append(['Precompiled headers', self.coredata.use_pch])
carr.append(['Unity build', self.coredata.unity])
self.print_aligned(carr)
print('')
print('Project options\n')
options = self.coredata.user_options
keys = list(options.keys())
keys.sort()
optarr = []
for key in keys:
opt = options[key]
optarr.append([key, opt.value])
self.print_aligned(optarr)
if __name__ == '__main__':
(options, args) = parser.parse_args(sys.argv)
if len(args) > 2:
print(args)
print('%s <build directory>' % sys.argv[0])
print('If you omit the build directory, the current directory is substituted.')
sys.exit(1)
if len(args) == 1:
builddir = os.getcwd()
else:
builddir = args[-1]
try:
c = Conf(builddir)
if len(options.sets) > 0:
c.set_options(options.sets)
c.save()
else:
c.print_conf()
except ConfException as e:
print('Meson configurator encountered an error:\n')
print(e)
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