Example #1
0
def execute(args, parser):
    import sys
    from os.path import exists

    import conda.plan as plan
    from conda.api import get_index


    if len(args.package_specs) == 0 and not args.file:
        sys.exit('Error: too few arguments, must supply command line '
                 'package specs or --file')

    common.ensure_name_or_prefix(args, 'create')
    prefix = common.get_prefix(args)

    if exists(prefix):
        if args.prefix:
            raise RuntimeError("'%s' already exists, must supply new "
                               "directory for -p/--prefix" % prefix)
        else:
            raise RuntimeError("'%s' already exists, must supply new "
                               "directory for -n/--name" % prefix)

    if args.file:
        specs = common.specs_from_file(args.file)
    else:
        specs = common.specs_from_args(args.package_specs)

    common.check_specs(prefix, specs)

    channel_urls = args.channel or ()

    common.ensure_override_channels_requires_channel(args)
    index = get_index(channel_urls=channel_urls, prepend=not args.override_channels)
    actions = plan.install_actions(prefix, index, specs)

    if plan.nothing_to_do(actions):
        print 'No matching packages could be found, nothing to do'
        return

    print
    print "Package plan for creating environment at %s:" % prefix
    plan.display_actions(actions, index)

    common.confirm_yn(args)
    plan.execute_actions(actions, index, verbose=not args.quiet)

    if sys.platform != 'win32':
        activate_name = prefix
        if args.name:
            activate_name = args.name
        print "#"
        print "# To activate this environment, use:"
        print "# $ source activate %s" % activate_name
        print "#"
        print "# To deactivate this environment, use:"
        print "# $ source deactivate"
        print "#"
Example #2
0
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)