Exemple #1
0
  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'))))
Exemple #2
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    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'))))
Exemple #3
0
  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)