def setup_parser(self, parser, args):
self.config = Config.load()
add_global_options(parser)
# We support attempting zero or more goals. Multiple goals must be delimited from further
# options and non goal args with a '--'. The key permutations we need to support:
# ./pants goal => goals
# ./pants goal goals => goals
# ./pants goal compile src/java/... => compile
# ./pants goal compile -x src/java/... => compile
# ./pants goal compile src/java/... -x => compile
# ./pants goal compile run -- src/java/... => compile, run
# ./pants goal compile run -- src/java/... -x => compile, run
# ./pants goal compile run -- -x src/java/... => compile, run
if not args:
args.append('help')
help_flags = set(['-h', '--help', 'help'])
show_help = len(help_flags.intersection(args)) > 0
args = filter(lambda f: f not in help_flags, args)
goals, specs = Goal.parse_args(args)
if show_help:
print_help(goals)
sys.exit(0)
self.requested_goals = goals
with self.run_tracker.new_workunit(name='setup',
labels=[WorkUnit.SETUP]):
# Bootstrap user goals by loading any BUILD files implied by targets.
spec_parser = SpecParser(self.root_dir, self.build_file_parser)
with self.run_tracker.new_workunit(name='parse',
labels=[WorkUnit.SETUP]):
for spec in specs:
for address in spec_parser.parse_addresses(spec):
self.build_file_parser.inject_spec_closure_into_build_graph(
address.spec, self.build_graph)
self.targets.append(
self.build_graph.get_target(address))
self.phases = [Phase(goal) for goal in goals]
rcfiles = self.config.getdefault(
'rcfiles', type=list, default=['/etc/pantsrc', '~/.pants.rc'])
if rcfiles:
rcfile = RcFile(rcfiles,
default_prepend=False,
process_default=True)
# Break down the goals specified on the command line to the full set that will be run so we
# can apply default flags to inner goal nodes. Also break down goals by Task subclass and
# register the task class hierarchy fully qualified names so we can apply defaults to
# baseclasses.
sections = OrderedSet()
for phase in Engine.execution_order(self.phases):
for goal in phase.goals():
sections.add(goal.name)
for clazz in goal.task_type.mro():
if clazz == Task:
break
sections.add('%s.%s' %
(clazz.__module__, clazz.__name__))
augmented_args = rcfile.apply_defaults(sections, args)
if augmented_args != args:
del args[:]
args.extend(augmented_args)
sys.stderr.write("(using pantsrc expansion: pants goal %s)\n" %
' '.join(augmented_args))
Phase.setup_parser(parser, args, self.phases)
def as_phase(cls, phase_name): """Returns a ``Phase`` object of the given name""" return Phase(cls._namespace(phase_name))
