Files
mongo/buildscripts/resmokelib/parser.py
2020-06-18 10:21:48 +00:00

58 lines
1.6 KiB
Python

"""Parser for command line arguments."""
import argparse
import shlex
from buildscripts.resmokelib import configure_resmoke
from buildscripts.resmokelib.hang_analyzer import HangAnalyzerPlugin
from buildscripts.resmokelib.run import RunPlugin
from buildscripts.resmokelib.undodb import UndoDbPlugin
_PLUGINS = [
RunPlugin(),
HangAnalyzerPlugin(),
UndoDbPlugin(),
]
def _add_subcommands():
"""Create and return the command line arguments parser."""
parser = argparse.ArgumentParser()
subparsers = parser.add_subparsers(dest="command")
# Add sub-commands.
for plugin in _PLUGINS:
plugin.add_subcommand(subparsers)
return parser
def parse(sys_args):
"""Parse the CLI args."""
# Split out this function for easier testing.
parser = _add_subcommands()
parsed_args = parser.parse_args(sys_args)
return (parser, parsed_args)
def parse_command_line(sys_args, **kwargs):
"""Parse the command line arguments passed to resmoke.py and return the subcommand object to execute."""
parser, parsed_args = parse(sys_args)
subcommand = parsed_args.command
for plugin in _PLUGINS:
subcommand_obj = plugin.parse(subcommand, parser, parsed_args, **kwargs)
if subcommand_obj is not None:
return subcommand_obj
raise RuntimeError(f"Resmoke configuration has invalid subcommand: {subcommand}. Try '--help'")
def set_run_options(argstr=''):
"""Populate the config module variables for the 'run' subcommand with the default options."""
parser, parsed_args = parse(['run'] + shlex.split(argstr))
configure_resmoke.validate_and_update_config(parser, parsed_args)