The Meson Build System
http://mesonbuild.com/
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78 lines
2.8 KiB
78 lines
2.8 KiB
# Copyright 2014 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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"""This program is a wrapper to run external commands. It determines |
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what to run, sets up the environment and executes the command.""" |
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import sys, os, subprocess, shutil, shlex |
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import re |
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def run_command(source_dir, build_dir, subdir, meson_command, command, arguments): |
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env = {'MESON_SOURCE_ROOT': source_dir, |
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'MESON_BUILD_ROOT': build_dir, |
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'MESON_SUBDIR': subdir, |
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'MESONINTROSPECT': ' '.join([shlex.quote(x) for x in meson_command + ['introspect']]), |
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} |
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cwd = os.path.join(source_dir, subdir) |
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child_env = os.environ.copy() |
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child_env.update(env) |
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# Is the command an executable in path? |
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exe = shutil.which(command) |
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if exe is not None: |
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command_array = [exe] + arguments |
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else:# No? Maybe it is a script in the source tree. |
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fullpath = os.path.join(source_dir, subdir, command) |
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command_array = [fullpath] + arguments |
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try: |
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return subprocess.Popen(command_array, env=child_env, cwd=cwd) |
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except FileNotFoundError: |
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print('Could not execute command "%s". File not found.' % command) |
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sys.exit(1) |
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except PermissionError: |
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print('Could not execute command "%s". File not executable.' % command) |
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sys.exit(1) |
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except OSError as err: |
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print('Could not execute command "{}": {}'.format(command, err)) |
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sys.exit(1) |
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except subprocess.SubprocessError as err: |
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print('Could not execute command "{}": {}'.format(command, err)) |
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sys.exit(1) |
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def is_python_command(cmdname): |
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end_py_regex = r'python(3|3\.\d+)?(\.exe)?$' |
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return re.search(end_py_regex, cmdname) is not None |
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def run(args): |
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if len(args) < 4: |
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print('commandrunner.py <source dir> <build dir> <subdir> <command> [arguments]') |
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return 1 |
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src_dir = args[0] |
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build_dir = args[1] |
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subdir = args[2] |
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meson_command = args[3] |
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if is_python_command(meson_command): |
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meson_command = [meson_command, args[4]] |
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command = args[5] |
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arguments = args[6:] |
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else: |
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meson_command = [meson_command] |
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command = args[4] |
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arguments = args[5:] |
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pc = run_command(src_dir, build_dir, subdir, meson_command, command, arguments) |
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pc.wait() |
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return pc.returncode |
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if __name__ == '__main__': |
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sys.exit(run(sys.argv[1:]))
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