def execute(args, parser):
import conda.plan as plan
from conda.api import get_index
import pscheck
prefix = common.get_prefix(args)
# handle explict installs of conda packages
if args.packages and all(s.endswith('.tar.bz2') for s in args.packages):
from conda.misc import install_local_packages
install_local_packages(prefix, args.packages, verbose=not args.quiet)
return
if any(s.endswith('.tar.bz2') for s in args.packages):
raise RuntimeError("cannot mix specifications with conda package "
"filenames")
if args.force:
args.no_deps = True
if args.file:
specs = common.specs_from_file(args.file)
else:
specs = common.specs_from_args(args.packages)
common.check_specs(prefix, specs)
spec_names = set(s.split()[0] for s in specs)
if args.no_deps:
only_names = spec_names
else:
only_names = None
common.ensure_override_channels_requires_channel(args)
channel_urls = args.channel or ()
index = get_index(channel_urls=channel_urls, prepend=not
args.override_channels)
actions = plan.install_actions(prefix, index, specs,
force=args.force, only_names=only_names)
if plan.nothing_to_do(actions):
from main_list import list_packages
regex = '^(%s)$' % '|'.join(spec_names)
print '# All requested packages already installed.'
list_packages(prefix, regex)
return
print
print "Package plan for installation in environment %s:" % prefix
plan.display_actions(actions, index)
if not pscheck.main(args):
common.confirm_yn(args)
plan.execute_actions(actions, index, verbose=not args.quiet)