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