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#!/usr/bin/python3 -tt
# Copyright 2012 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.
from optparse import OptionParser
import sys, stat
import os.path
import environment, interpreter
import shellgenerator, build
parser = OptionParser()
parser.add_option('--prefix', default='/usr/local', dest='prefix')
parser.add_option('--libdir', default='lib', dest='libdir')
parser.add_option('--includedir', default='include', dest='includedir')
parser.add_option('--datadir', default='share', dest='datadir')
class BuilderApp():
builder_filename = 'builder.txt'
def __init__(self, dir1, dir2, options):
(self.source_dir, self.build_dir) = self.validate_dirs(dir1, dir2)
self.options = options
def has_builder_file(self, dirname):
fname = os.path.join(dirname, BuilderApp.builder_filename)
try:
ifile = open(fname, 'r')
ifile.close()
return True
except IOError:
return False
def validate_dirs(self, dir1, dir2):
ndir1 = os.path.abspath(dir1)
ndir2 = os.path.abspath(dir2)
if not stat.S_ISDIR(os.stat(ndir1).st_mode):
raise RuntimeError('%s is not a directory' % dir1)
if not stat.S_ISDIR(os.stat(ndir2).st_mode):
raise RuntimeError('%s is not a directory' % dir2)
self.options = options
if os.path.samefile(dir1, dir2):
raise RuntimeError('Source and build directories must not be the same. Create a pristine build directory.')
if self.has_builder_file(ndir1):
if self.has_builder_file(ndir2):
raise RuntimeError('Both directories contain a builder file %s.' % BuilderApp.builder_filename)
return (ndir1, ndir2)
if self.has_builder_file(ndir2):
return (ndir2, ndir1)
raise RuntimeError('Neither directory contains a builder file %s.' % BuilderApp.builder_filename)
def generate(self):
code = open(os.path.join(self.source_dir, BuilderApp.builder_filename)).read()
if len(code.strip()) == 0:
raise interpreter.InvalidCode('Builder file is empty.')
assert(isinstance(code, str))
env = environment.Environment(self.source_dir, self.build_dir)
b = build.Build(env)
intr = interpreter.Interpreter(code, b)
intr.run()
g = shellgenerator.ShellGenerator(b)
g.generate()
if __name__ == '__main__':
(options, args) = parser.parse_args(sys.argv)
if len(args) == 1 or len(args) > 3:
print('Invalid number of arguments')
sys.exit(1)
dir1 = args[1]
if len(args) > 2:
dir2 = args[2]
else:
dir2 = '.'
builder = BuilderApp(dir1, dir2, options)
print ('Source dir: ' + builder.source_dir)
print ('Build dir: ' + builder.build_dir)
builder.generate()
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