diff options
Diffstat (limited to 'mesonbuild/mesonmain.py')
| -rw-r--r-- | mesonbuild/mesonmain.py | 139 |
1 files changed, 88 insertions, 51 deletions
diff --git a/mesonbuild/mesonmain.py b/mesonbuild/mesonmain.py index 2174e14..684926c 100644 --- a/mesonbuild/mesonmain.py +++ b/mesonbuild/mesonmain.py @@ -15,11 +15,97 @@ import sys import os.path import importlib +import traceback +import argparse from . import mesonlib from . import mlog +from . import mconf, minit, minstall, mintro, msetup, mtest, rewriter from .mesonlib import MesonException from .environment import detect_msys2_arch +from .wrap import wraptool + + +class CommandLineParser: + def __init__(self): + self.commands = {} + self.parser = argparse.ArgumentParser(prog='meson') + self.subparsers = self.parser.add_subparsers(title='Commands', + description='If no command is specified it defaults to setup command.') + self.add_command('setup', msetup.add_arguments, msetup.run, + help='Configure the project') + self.add_command('configure', mconf.add_arguments, mconf.run, + help='Change project options',) + self.add_command('install', minstall.add_arguments, minstall.run, + help='Install the project') + self.add_command('introspect', mintro.add_arguments, mintro.run, + help='Introspect project') + self.add_command('init', minit.add_arguments, minit.run, + help='Create a new project') + self.add_command('test', mtest.add_arguments, mtest.run, + help='Run tests') + self.add_command('rewrite', rewriter.add_arguments, rewriter.run, + help='Edit project files') + self.add_command('wrap', wraptool.add_arguments, wraptool.run, + help='Wrap tools') + self.add_command('runpython', self.add_runpython_arguments, self.run_runpython_command, + help='Run a python script') + self.add_command('help', self.add_help_arguments, self.run_help_command, + help='Print help of a subcommand') + + def add_command(self, name, add_arguments_func, run_func, help): + p = self.subparsers.add_parser(name, help=help) + add_arguments_func(p) + p.set_defaults(run_func=run_func) + self.commands[name] = p + + def add_runpython_arguments(self, parser): + parser.add_argument('script_file') + parser.add_argument('script_args', nargs=argparse.REMAINDER) + + def run_runpython_command(self, options): + import runpy + sys.argv[1:] = options.script_args + runpy.run_path(options.script_file, run_name='__main__') + return 0 + + def add_help_arguments(self, parser): + parser.add_argument('command', nargs='?') + + def run_help_command(self, options): + if options.command: + self.commands[options.command].print_help() + else: + self.parser.print_help() + return 0 + + def run(self, args): + # If first arg is not a known command, assume user wants to run the setup + # command. + known_commands = list(self.commands.keys()) + ['-h', '--help'] + if len(args) == 0 or args[0] not in known_commands: + args = ['setup'] + args + + args = mesonlib.expand_arguments(args) + options = self.parser.parse_args(args) + + try: + return options.run_func(options) + except MesonException as e: + mlog.exception(e) + logfile = mlog.shutdown() + if logfile is not None: + mlog.log("\nA full log can be found at", mlog.bold(logfile)) + if os.environ.get('MESON_FORCE_BACKTRACE'): + raise + return 1 + except Exception as e: + if os.environ.get('MESON_FORCE_BACKTRACE'): + raise + traceback.print_exc() + return 2 + finally: + mlog.shutdown() def run_script_command(script_name, script_args): # Map script name to module name for those that doesn't match @@ -50,6 +136,7 @@ def run(original_args, mainfile): print('You have python %s.' % sys.version) print('Please update your environment') return 1 + # https://github.com/mesonbuild/meson/issues/3653 if sys.platform.lower() == 'msys': mlog.error('This python3 seems to be msys/python on MSYS2 Windows, which is known to have path semantics incompatible with Meson') @@ -75,57 +162,7 @@ def run(original_args, mainfile): else: return run_script_command(args[1], args[2:]) - if len(args) > 0: - # First check if we want to run a subcommand. - cmd_name = args[0] - remaining_args = args[1:] - # "help" is a special case: Since printing of the help may be - # delegated to a subcommand, we edit cmd_name before executing - # the rest of the logic here. - if cmd_name == 'help': - remaining_args += ['--help'] - args = remaining_args - cmd_name = args[0] - if cmd_name == 'test': - from . import mtest - return mtest.run(remaining_args) - elif cmd_name == 'install': - from . import minstall - return minstall.run(remaining_args) - elif cmd_name == 'introspect': - from . import mintro - return mintro.run(remaining_args) - elif cmd_name == 'rewrite': - from . import rewriter - return rewriter.run(remaining_args) - elif cmd_name == 'configure': - try: - from . import mconf - return mconf.run(remaining_args) - except MesonException as e: - mlog.exception(e) - sys.exit(1) - elif cmd_name == 'wrap': - from .wrap import wraptool - return wraptool.run(remaining_args) - elif cmd_name == 'init': - from . import minit - return minit.run(remaining_args) - elif cmd_name == 'runpython': - import runpy - script_file = remaining_args[0] - sys.argv[1:] = remaining_args[1:] - runpy.run_path(script_file, run_name='__main__') - sys.exit(0) - else: - # If cmd_name is not a known command, assume user wants to run the - # setup command. - from . import msetup - if cmd_name != 'setup': - remaining_args = args - return msetup.run(remaining_args) - - return 0 + return CommandLineParser().run(args) def main(): # Always resolve the command path so Ninja can find it for regen, tests, etc. |