The Meson Build System
http://mesonbuild.com/
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99 lines
3.6 KiB
99 lines
3.6 KiB
5 years ago
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# Copyright 2013-2016 The Meson development team
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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# http://www.apache.org/licenses/LICENSE-2.0
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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import sys
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import argparse
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import pickle
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import subprocess
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from .. import mesonlib
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from ..backend.backends import ExecutableSerialisation
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options = None
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def buildparser():
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parser = argparse.ArgumentParser(description='Custom executable wrapper for Meson. Do not run on your own, mmm\'kay?')
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parser.add_argument('--unpickle')
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parser.add_argument('--capture')
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return parser
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def run_exe(exe):
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if exe.exe_runner:
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if not exe.exe_runner.found():
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raise AssertionError('BUG: Can\'t run cross-compiled exe {!r} with not-found '
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'wrapper {!r}'.format(exe.cmd_args[0], exe.exe_runner.get_path()))
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cmd_args = exe.exe_runner.get_command() + exe.cmd_args
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else:
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cmd_args = exe.cmd_args
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child_env = os.environ.copy()
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child_env.update(exe.env)
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if exe.extra_paths:
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child_env['PATH'] = (os.pathsep.join(exe.extra_paths + ['']) +
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child_env['PATH'])
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if exe.exe_runner and mesonlib.substring_is_in_list('wine', exe.exe_runner.get_command()):
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child_env['WINEPATH'] = mesonlib.get_wine_shortpath(
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exe.exe_runner.get_command(),
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['Z:' + p for p in exe.extra_paths] + child_env.get('WINEPATH', '').split(';')
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)
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p = subprocess.Popen(cmd_args, env=child_env, cwd=exe.workdir,
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close_fds=False,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE)
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stdout, stderr = p.communicate()
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if p.returncode == 0xc0000135:
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# STATUS_DLL_NOT_FOUND on Windows indicating a common problem that is otherwise hard to diagnose
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raise FileNotFoundError('Missing DLLs on calling {!r}'.format(exe.name))
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if exe.capture and p.returncode == 0:
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skip_write = False
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try:
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with open(exe.capture, 'rb') as cur:
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skip_write = cur.read() == stdout
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except IOError:
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pass
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if not skip_write:
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with open(exe.capture, 'wb') as output:
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output.write(stdout)
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else:
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sys.stdout.buffer.write(stdout)
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if stderr:
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sys.stderr.buffer.write(stderr)
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return p.returncode
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def run(args):
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global options
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parser = buildparser()
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options, cmd_args = parser.parse_known_args(args)
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# argparse supports double dash to separate options and positional arguments,
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# but the user has to remove it manually.
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if cmd_args and cmd_args[0] == '--':
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cmd_args = cmd_args[1:]
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if not options.unpickle and not cmd_args:
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parser.error('either --unpickle or executable and arguments are required')
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if options.unpickle:
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if cmd_args or options.capture:
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parser.error('no other arguments can be used with --unpickle')
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with open(options.unpickle, 'rb') as f:
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exe = pickle.load(f)
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else:
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exe = ExecutableSerialisation(cmd_args, capture=options.capture)
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return run_exe(exe)
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if __name__ == '__main__':
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sys.exit(run(sys.argv[1:]))
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