The Meson Build System
http://mesonbuild.com/
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107 lines
3.8 KiB
107 lines
3.8 KiB
# 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 platform |
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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 is_windows(): |
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platname = platform.system().lower() |
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return platname == 'windows' or 'mingw' in platname |
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def is_cygwin(): |
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platname = platform.system().lower() |
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return 'cygwin' in platname |
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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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