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-rw-r--r--lib/spack/spack/cmd/common/arguments.py178
-rw-r--r--lib/spack/spack/test/cmd/install.py12
-rw-r--r--lib/spack/spack/test/data/config.yaml2
3 files changed, 120 insertions, 72 deletions
diff --git a/lib/spack/spack/cmd/common/arguments.py b/lib/spack/spack/cmd/common/arguments.py
index 8a38d09f03..66ed953d6e 100644
--- a/lib/spack/spack/cmd/common/arguments.py
+++ b/lib/spack/spack/cmd/common/arguments.py
@@ -18,9 +18,22 @@ from spack.util.pattern import Args
__all__ = ['add_common_arguments']
+#: dictionary of argument-generating functions, keyed by name
_arguments = {}
+def arg(fn):
+ """Decorator for a function that generates a common argument.
+
+ This ensures that argument bunches are created lazily. Decorate
+ argument-generating functions below with @arg so that
+ ``add_common_arguments()`` can find them.
+
+ """
+ _arguments[fn.__name__] = fn
+ return fn
+
+
def add_common_arguments(parser, list_of_arguments):
"""Extend a parser with extra arguments
@@ -32,7 +45,8 @@ def add_common_arguments(parser, list_of_arguments):
if argument not in _arguments:
message = 'Trying to add non existing argument "{0}" to a command'
raise KeyError(message.format(argument))
- x = _arguments[argument]
+
+ x = _arguments[argument]()
parser.add_argument(*x.flags, **x.kwargs)
@@ -118,64 +132,104 @@ class DeptypeAction(argparse.Action):
setattr(namespace, self.dest, deptype)
-_arguments['constraint'] = Args(
- 'constraint', nargs=argparse.REMAINDER, action=ConstraintAction,
- help='constraint to select a subset of installed packages')
-
-_arguments['yes_to_all'] = Args(
- '-y', '--yes-to-all', action='store_true', dest='yes_to_all',
- help='assume "yes" is the answer to every confirmation request')
-
-_arguments['recurse_dependencies'] = Args(
- '-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',
- default=spack.config.get('config:dirty'),
- dest='dirty',
- help='unset harmful variables in the build environment (default)')
-
-_arguments['deptype'] = Args(
- '--deptype', action=DeptypeAction, default=dep.all_deptypes,
- help="comma-separated list of deptypes to traverse\ndefault=%s"
- % ','.join(dep.all_deptypes))
-
-_arguments['dirty'] = Args(
- '--dirty',
- action='store_true',
- default=spack.config.get('config:dirty'),
- dest='dirty',
- help='preserve user environment in the spack build environment (danger!)')
-
-_arguments['long'] = Args(
- '-l', '--long', action='store_true',
- help='show dependency hashes as well as versions')
-
-_arguments['very_long'] = Args(
- '-L', '--very-long', action='store_true',
- help='show full dependency hashes as well as versions')
-
-_arguments['tags'] = Args(
- '-t', '--tags', action='append',
- help='filter a package query by tags')
-
-_arguments['jobs'] = Args(
- '-j', '--jobs', action=SetParallelJobs, type=int, dest='jobs',
- help='explicitly set number of parallel jobs')
-
-_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 downloaded files (unsafe)")
+@arg
+def constraint():
+ return Args(
+ 'constraint', nargs=argparse.REMAINDER, action=ConstraintAction,
+ help='constraint to select a subset of installed packages')
+
+
+@arg
+def yes_to_all():
+ return Args(
+ '-y', '--yes-to-all', action='store_true', dest='yes_to_all',
+ help='assume "yes" is the answer to every confirmation request')
+
+
+@arg
+def recurse_dependencies():
+ return Args(
+ '-r', '--dependencies', action='store_true',
+ dest='recurse_dependencies',
+ help='recursively traverse spec dependencies')
+
+
+@arg
+def recurse_dependents():
+ return Args(
+ '-R', '--dependents', action='store_true', dest='dependents',
+ help='also uninstall any packages that depend on the ones given '
+ 'via command line')
+
+
+@arg
+def clean():
+ return Args(
+ '--clean',
+ action='store_false',
+ default=spack.config.get('config:dirty'),
+ dest='dirty',
+ help='unset harmful variables in the build environment (default)')
+
+
+@arg
+def deptype():
+ return Args(
+ '--deptype', action=DeptypeAction, default=dep.all_deptypes,
+ help="comma-separated list of deptypes to traverse\ndefault=%s"
+ % ','.join(dep.all_deptypes))
+
+
+@arg
+def dirty():
+ return Args(
+ '--dirty',
+ action='store_true',
+ default=spack.config.get('config:dirty'),
+ dest='dirty',
+ help="preserve user environment in spack's build environment (danger!)"
+ )
+
+
+@arg
+def long():
+ return Args(
+ '-l', '--long', action='store_true',
+ help='show dependency hashes as well as versions')
+
+
+@arg
+def very_long():
+ return Args(
+ '-L', '--very-long', action='store_true',
+ help='show full dependency hashes as well as versions')
+
+
+@arg
+def tags():
+ return Args(
+ '-t', '--tags', action='append',
+ help='filter a package query by tags')
+
+
+@arg
+def jobs():
+ return Args(
+ '-j', '--jobs', action=SetParallelJobs, type=int, dest='jobs',
+ help='explicitly set number of parallel jobs')
+
+
+@arg
+def install_status():
+ return 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)')
+
+
+@arg
+def no_checksum():
+ return Args(
+ '-n', '--no-checksum', action='store_true', default=False,
+ help="do not use checksums to verify downloaded files (unsafe)")
diff --git a/lib/spack/spack/test/cmd/install.py b/lib/spack/spack/test/cmd/install.py
index 0d3d5f5de1..e8240a87b1 100644
--- a/lib/spack/spack/test/cmd/install.py
+++ b/lib/spack/spack/test/cmd/install.py
@@ -30,14 +30,6 @@ env = SpackCommand('env')
add = SpackCommand('add')
-@pytest.fixture(scope='module')
-def parser():
- """Returns the parser for the module command"""
- parser = argparse.ArgumentParser()
- spack.cmd.install.setup_parser(parser)
- return parser
-
-
@pytest.fixture()
def noop_install(monkeypatch):
def noop(*args, **kwargs):
@@ -115,7 +107,9 @@ def test_install_package_already_installed(
(['--clean'], False),
(['--dirty'], True),
])
-def test_install_dirty_flag(parser, arguments, expected):
+def test_install_dirty_flag(arguments, expected):
+ parser = argparse.ArgumentParser()
+ spack.cmd.install.setup_parser(parser)
args = parser.parse_args(arguments)
assert args.dirty == expected
diff --git a/lib/spack/spack/test/data/config.yaml b/lib/spack/spack/test/data/config.yaml
index 2d2c2e356a..0611251189 100644
--- a/lib/spack/spack/test/data/config.yaml
+++ b/lib/spack/spack/test/data/config.yaml
@@ -11,4 +11,4 @@ config:
misc_cache: ~/.spack/cache
verify_ssl: true
checksum: true
- dirty: True
+ dirty: false