def do_uninstall(specs, force):
"""
Uninstalls all the specs in a list.
Args:
specs: list of specs to be uninstalled
force: force uninstallation (boolean)
"""
packages = []
for item in specs:
try:
# should work if package is known to spack
packages.append(item.package)
except spack.repository.UnknownPackageError as e:
# The package.py file has gone away -- but still
# want to uninstall.
spack.Package(item).do_uninstall(force=True)
# Sort packages to be uninstalled by the number of installed dependents
# This ensures we do things in the right order
def num_installed_deps(pkg):
return len(pkg.installed_dependents)
packages.sort(key=num_installed_deps)
for item in packages:
item.do_uninstall(force=force)
def uninstall(parser, args):
if not args.packages:
tty.die("uninstall requires at least one package argument.")
specs = spack.cmd.parse_specs(args.packages)
# For each spec provided, make sure it refers to only one package.
# Fail and ask user to be unambiguous if it doesn't
pkgs = []
for spec in specs:
matching_specs = spack.db.get_installed(spec)
if not args.all and len(matching_specs) > 1:
args = [
"%s matches multiple packages." % spec, "Matching packages:"
]
args += [" " + str(s) for s in matching_specs]
args += [
"You can either:",
" a) Use spack uninstall -a to uninstall ALL matching specs, or",
" b) use a more specific spec."
]
tty.die(*args)
if len(matching_specs) == 0:
tty.die("%s does not match any installed packages." % spec)
for s in matching_specs:
try:
# should work if package is known to spack
pkgs.append(spack.db.get(s))
except spack.packages.UnknownPackageError, e:
# The package.py file has gone away -- but still want to uninstall.
spack.Package(s).do_uninstall(force=True)