env: refactor common arguments

lib/spack/spack/cmd/common/arguments.py

@@ -76,6 +76,11 @@ def _specs(self, **kwargs):
     '-r', '--dependencies', action='store_true', dest='recurse_dependencies',
     help='recursively traverse spec dependencies')
 
+_arguments['recurse_dependents'] = Args(
+    '-R', '--dependents', action='store_true', dest='dependents',
+    help='also uninstall any packages that depend on the ones given '
+    'via command line')
+
 _arguments['clean'] = Args(
     '--clean',
     action='store_false',
@@ -106,6 +111,16 @@ def _specs(self, **kwargs):
     '-t', '--tags', action='append',
     help='filter a package query by tags')
 
+_arguments['jobs'] = Args(
+    '-j', '--jobs', action='store', type=int, dest="jobs",
+    help="explicitly set number of make jobs, default is #cpus.")
+
+_arguments['install_status'] = Args(
+    '-I', '--install-status', action='store_true', default=False,
+    help='show install status of packages. packages can be: '
+         'installed [+], missing and needed by an installed package [-], '
+         'or not installed (no annotation)')
+
 _arguments['no_checksum'] = Args(
     '-n', '--no-checksum', action='store_true', default=False,
     help="do not use checksums to verify downloadeded files (unsafe)")

lib/spack/spack/cmd/install.py

@@ -25,18 +25,8 @@
 level = "short"
 
 
-def setup_parser(subparser):
-    subparser.add_argument(
-        '--only',
-        default='package,dependencies',
-        dest='things_to_install',
-        choices=['package', 'dependencies'],
-        help="""select the mode of installation.
-the default is to install the package along with all its dependencies.
-alternatively one can decide to install only the package or only
-the dependencies"""
-    )
-    arguments.add_common_arguments(subparser, ['jobs'])
+def add_common_arguments(subparser):
+    arguments.add_common_arguments(subparser, ['jobs', 'install_status'])
     subparser.add_argument(
         '--overwrite', action='store_true',
         help="reinstall an existing spec, even if it has dependents")
@@ -65,14 +55,52 @@ def setup_parser(subparser):
     subparser.add_argument(
         '--fake', action='store_true',
         help="fake install for debug purposes.")
+
+    cd_group = subparser.add_mutually_exclusive_group()
+    arguments.add_common_arguments(cd_group, ['clean', 'dirty'])
+
+
+def update_kwargs_from_args(args, kwargs):
+    """Parse cli arguments and construct a dictionary
+    that will be passed to Package.do_install API"""
+
+    kwargs.update({
+        'keep_prefix': args.keep_prefix,
+        'keep_stage': args.keep_stage,
+        'restage': not args.dont_restage,
+        'install_source': args.install_source,
+        'make_jobs': args.jobs,
+        'verbose': args.verbose,
+        'fake': args.fake,
+        'dirty': args.dirty,
+        'use_cache': args.use_cache
+    })
+    if hasattr(args, 'setup'):
+        setups = set()
+        for arglist_s in args.setup:
+            for arg in [x.strip() for x in arglist_s.split(',')]:
+                setups.add(arg)
+        kwargs['setup'] = setups
+        tty.msg('Setup={0}'.format(kwargs['setup']))
+
+
+def setup_parser(subparser):
+    add_common_arguments(subparser)
+    subparser.add_argument(
+        '--only',
+        default='package,dependencies',
+        dest='things_to_install',
+        choices=['package', 'dependencies'],
+        help="""select the mode of installation.
+the default is to install the package along with all its dependencies.
+alternatively one can decide to install only the package or only
+the dependencies"""
+    )
     subparser.add_argument(
         '-f', '--file', action='append', default=[],
         dest='specfiles', metavar='SPEC_YAML_FILE',
         help="install from file. Read specs to install from .yaml files")
 
-    cd_group = subparser.add_mutually_exclusive_group()
-    arguments.add_common_arguments(cd_group, ['clean', 'dirty'])
-
     subparser.add_argument(
         'package',
         nargs=argparse.REMAINDER,
@@ -159,17 +187,10 @@ def install(parser, args, **kwargs):
 
     # Parse cli arguments and construct a dictionary
     # that will be passed to Package.do_install API
+    update_kwargs_from_args(args, kwargs)
     kwargs.update({
-        'keep_prefix': args.keep_prefix,
-        'keep_stage': args.keep_stage,
-        'restage': not args.dont_restage,
-        'install_source': args.install_source,
-        'install_deps': 'dependencies' in args.things_to_install,
-        'make_jobs': args.jobs,
-        'verbose': args.verbose,
-        'fake': args.fake,
-        'dirty': args.dirty,
-        'use_cache': args.use_cache
+        'install_dependencies': ('dependencies' in args.things_to_install),
+        'install_package': ('package' in args.things_to_install)
     })
 
     if args.run_tests:

lib/spack/spack/cmd/modules/__init__.py

@@ -54,22 +54,30 @@ def setup_parser(subparser):
         'loads',
         help='prompt the list of modules associated with a constraint'
     )
-    loads_parser.add_argument(
+    add_loads_arguments(loads_parser)
+    arguments.add_common_arguments(
+        loads_parser, ['constraint']
+    )
+
+    return sp
+
+
+def add_loads_arguments(subparser):
+    subparser.add_argument(
         '--input-only', action='store_false', dest='shell',
         help='generate input for module command (instead of a shell script)'
     )
-    loads_parser.add_argument(
+    subparser.add_argument(
         '-p', '--prefix', dest='prefix', default='',
         help='prepend to module names when issuing module load commands'
     )
-    loads_parser.add_argument(
+    subparser.add_argument(
         '-x', '--exclude', dest='exclude', action='append', default=[],
         help="exclude package from output; may be specified multiple times"
     )
     arguments.add_common_arguments(
-        loads_parser, ['constraint', 'recurse_dependencies']
+        subparser, ['recurse_dependencies']
     )
-    return sp
 
 
 class MultipleSpecsMatch(Exception):

lib/spack/spack/cmd/spec.py

@@ -19,8 +19,9 @@
 level = "short"
 
 
-def setup_parser(subparser):
-    arguments.add_common_arguments(subparser, ['long', 'very_long'])
+def add_common_arguments(subparser):
+    arguments.add_common_arguments(
+        subparser, ['long', 'very_long', 'install_status'])
     subparser.add_argument(
         '-y', '--yaml', action='store_true', default=False,
         help='print concrete spec as YAML')
@@ -31,11 +32,7 @@ def setup_parser(subparser):
     subparser.add_argument(
         '-N', '--namespaces', action='store_true', default=False,
         help='show fully qualified package names')
-    subparser.add_argument(
-        '-I', '--install-status', action='store_true', default=False,
-        help='show install status of packages. packages can be: '
-             'installed [+], missing and needed by an installed package [-], '
-             'or not installed (no annotation)')
+
     subparser.add_argument(
         '-t', '--types', action='store_true', default=False,
         help='show dependency types')
@@ -43,6 +40,10 @@ def setup_parser(subparser):
         'specs', nargs=argparse.REMAINDER, help="specs of packages")
 
 
+def setup_parser(subparser):
+    add_common_arguments(subparser)
+
+
 def spec(parser, args):
     name_fmt = '$.' if args.namespaces else '$_'
     kwargs = {'cover': args.cover,

lib/spack/spack/cmd/uninstall.py

@@ -9,6 +9,7 @@
 
 import spack.cmd
 import spack.package
+import spack.cmd.common.arguments as arguments
 import spack.repo
 import spack.store
 
@@ -31,11 +32,16 @@
 }
 
 
-def setup_parser(subparser):
+def add_common_arguments(subparser):
     subparser.add_argument(
         '-f', '--force', action='store_true', dest='force',
         help="remove regardless of whether other packages depend on this one")
+    arguments.add_common_arguments(
+        subparser, ['recurse_dependents', 'yes_to_all'])
 
+
+def setup_parser(subparser):
+    add_common_arguments(subparser)
     subparser.add_argument(
         '-a', '--all', action='store_true', dest='all',
         help="USE CAREFULLY. remove ALL installed packages that match each "
@@ -44,15 +50,6 @@ def setup_parser(subparser):
              "supplied all installed software will be uninstalled. this "
              "is both useful and dangerous, like rm -r")
 
-    subparser.add_argument(
-        '-R', '--dependents', action='store_true', dest='dependents',
-        help='also uninstall any packages that depend on the ones given '
-             'via command line')
-
-    subparser.add_argument(
-        '-y', '--yes-to-all', action='store_true', dest='yes_to_all',
-        help='assume "yes" is the answer to every confirmation requested')
-
     subparser.add_argument(
         'packages',
         nargs=argparse.REMAINDER,
@@ -148,16 +145,12 @@ def num_installed_deps(pkg):
         item.do_uninstall(force=force)
 
 
-def get_uninstall_list(args):
-    specs = [any]
-    if args.packages:
-        specs = spack.cmd.parse_specs(args.packages)
-
+def get_uninstall_list(args, specs):
     # Gets the list of installed specs that match the ones give via cli
     # takes care of '-a' is given in the cli
     uninstall_list = find_matching_specs(specs, args.all, args.force)
 
-    # Takes care of '-d'
+    # Takes care of '-R'
     dependent_list = installed_dependents(uninstall_list)
 
     # Process dependent_list and update uninstall_list
@@ -181,12 +174,9 @@ def get_uninstall_list(args):
     return uninstall_list
 
 
-def uninstall(parser, args):
-    if not args.packages and not args.all:
-        tty.die('uninstall requires at least one package argument.',
-                '  Use `spack uninstall --all` to uninstall ALL packages.')
+def uninstall_specs(args, specs):
 
-    uninstall_list = get_uninstall_list(args)
+    uninstall_list = get_uninstall_list(args, specs)
 
     if not uninstall_list:
         tty.warn('There are no package to uninstall.')
@@ -201,3 +191,12 @@ def uninstall(parser, args):
 
     # Uninstall everything on the list
     do_uninstall(uninstall_list, args.force)
+
+
+def uninstall(parser, args):
+    if not args.packages and not args.all:
+        tty.die('uninstall requires at least one package argument.',
+                '  Use `spack uninstall --all` to uninstall ALL packages.')
+
+    uninstall_specs(
+        args, spack.cmd.parse_specs(args.packages) if args.packages else [any])

lib/spack/spack/spec.py

@@ -3227,6 +3227,7 @@ def tree(self, **kwargs):
         prefix = kwargs.pop('prefix', None)
         show_types = kwargs.pop('show_types', False)
         deptypes = kwargs.pop('deptypes', 'all')
+        recurse_dependencies = kwargs.pop('recurse_dependencies', True)
         check_kwargs(kwargs, self.tree)
 
         out = ""
@@ -3275,6 +3276,11 @@ def tree(self, **kwargs):
             if d > 0:
                 out += "^"
             out += node.format(fmt, color=color) + "\n"
+
+            # Check if we wanted just the first line
+            if not recurse_dependencies:
+                break
+
         return out
 
     def __repr__(self):