def test_execution_order(self):
self.installed_goal('invalidate')
self.installed_goal('clean-all', dependencies=['invalidate'])
self.installed_goal('resolve')
self.installed_goal('javac', dependencies=['resolve'], phase='compile')
self.installed_goal('scalac', dependencies=['resolve'], phase='compile')
self.installed_goal('junit', dependencies=['compile'], phase='test')
self.assertEqual(self.as_phases('invalidate', 'clean-all', 'resolve', 'compile', 'test'),
list(Engine.execution_order(self.as_phases('clean-all', 'test'))))
self.assertEqual(self.as_phases('resolve', 'compile', 'test', 'invalidate', 'clean-all'),
list(Engine.execution_order(self.as_phases('test', 'clean-all'))))
def test_execution_order(self):
self.installed_goal('invalidate')
self.installed_goal('clean-all', dependencies=['invalidate'])
self.installed_goal('resolve')
self.installed_goal('javac', dependencies=['resolve'], phase='compile')
self.installed_goal('scalac',
dependencies=['resolve'],
phase='compile')
self.installed_goal('junit', dependencies=['compile'], phase='test')
self.assertEqual(
self.as_phases('invalidate', 'clean-all', 'resolve', 'compile',
'test'),
list(Engine.execution_order(self.as_phases('clean-all', 'test'))))
self.assertEqual(
self.as_phases('resolve', 'compile', 'test', 'invalidate',
'clean-all'),
list(Engine.execution_order(self.as_phases('test', 'clean-all'))))
def setup_parser(self, parser, args):
self.config = Config.load()
Goal.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('goals')
if len(args) == 1 and args[0] in set(['-h', '--help', 'help']):
def format_usage(usages):
left_colwidth = 0
for left, right in usages:
left_colwidth = max(left_colwidth, len(left))
lines = []
for left, right in usages:
lines.append(' %s%s%s' % (left, ' ' * (left_colwidth - len(left) + 1), right))
return '\n'.join(lines)
usages = [
("%prog goal goals ([spec]...)", Phase('goals').description),
("%prog goal help [goal] ([spec]...)", Phase('help').description),
("%prog goal [goal] [spec]...", "Attempt goal against one or more targets."),
("%prog goal [goal] ([goal]...) -- [spec]...", "Attempts all the specified goals."),
]
parser.set_usage("\n%s" % format_usage(usages))
parser.epilog = ("Either lists all installed goals, provides extra help for a goal or else "
"attempts to achieve the specified goal for the listed targets." """
Note that target specs accept two special forms:
[dir]: to include all targets in the specified directory
[dir]:: to include all targets found in all BUILD files recursively under
the directory""")
parser.print_help()
sys.exit(0)
else:
goals, specs = Goal.parse_args(args)
self.requested_goals = goals
with self.run_tracker.new_workunit(name='setup', labels=[WorkUnit.SETUP]):
# Bootstrap goals by loading any configured bootstrap BUILD files
with self.check_errors('The following bootstrap_buildfiles cannot be loaded:') as error:
with self.run_tracker.new_workunit(name='bootstrap', labels=[WorkUnit.SETUP]):
for path in self.config.getlist('goals', 'bootstrap_buildfiles', default = []):
try:
buildfile = BuildFile(get_buildroot(), os.path.relpath(path, get_buildroot()))
ParseContext(buildfile).parse()
except (TypeError, ImportError, TaskError, GoalError):
error(path, include_traceback=True)
except (IOError, SyntaxError):
error(path)
# Now that we've parsed the bootstrap BUILD files, and know about the SCM system.
self.run_tracker.run_info.add_scm_info()
# Bootstrap user goals by loading any BUILD files implied by targets.
spec_parser = SpecParser(self.root_dir)
with self.check_errors('The following targets could not be loaded:') as error:
with self.run_tracker.new_workunit(name='parse', labels=[WorkUnit.SETUP]):
for spec in specs:
try:
for target, address in spec_parser.parse(spec):
if target:
self.targets.append(target)
# Force early BUILD file loading if this target is an alias that expands
# to others.
unused = list(target.resolve())
else:
siblings = Target.get_all_addresses(address.buildfile)
prompt = 'did you mean' if len(siblings) == 1 else 'maybe you meant one of these'
error('%s => %s?:\n %s' % (address, prompt,
'\n '.join(str(a) for a in siblings)))
except (TypeError, ImportError, TaskError, GoalError):
error(spec, include_traceback=True)
except (IOError, SyntaxError, TargetDefinitionException):
error(spec)
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)