コード例 #1
0
ファイル: test_plan.py プロジェクト: gpfreitas/conda
 def test_adds_ensure_write_on_windows(self):
     actions = {}
     dist = self.generate_random_dist()
     with self.mock_platform(windows=True):
         plan.add_unlink(actions, dist)
     self.assertIn(inst.ENSURE_WRITE, actions)
     self.assertEqual(actions[inst.ENSURE_WRITE], [dist, ])
コード例 #2
0
 def test_simply_adds_unlink_on_non_windows(self):
     actions = {}
     dist = self.generate_random_dist()
     with self.mock_platform(windows=False):
         plan.add_unlink(actions, dist)
     self.assertIn(inst.UNLINK, actions)
     self.assertEqual(actions[inst.UNLINK], [dist, ])
コード例 #3
0
ファイル: test_plan.py プロジェクト: gpfreitas/conda
 def test_adds_ensure_write_on_windows(self):
     actions = {}
     dist = self.generate_random_dist()
     with self.mock_platform(windows=True):
         plan.add_unlink(actions, dist)
     self.assertIn(inst.ENSURE_WRITE, actions)
     self.assertEqual(actions[inst.ENSURE_WRITE], [
         dist,
     ])
コード例 #4
0
ファイル: test_plan.py プロジェクト: gpfreitas/conda
 def test_adds_to_existing_actions(self):
     actions = {
         inst.UNLINK: [{"foo": "bar"}],
         inst.ENSURE_WRITE: [{"foo": "bar"}],
     }
     dist = self.generate_random_dist()
     with self.mock_platform(windows=True):
         plan.add_unlink(actions, dist)
     self.assertEqual(actions[inst.ENSURE_WRITE], [{"foo": "bar"}, dist])
コード例 #5
0
ファイル: test_plan.py プロジェクト: gpfreitas/conda
 def test_adds_to_existing_actions(self):
     actions = {
         inst.UNLINK: [{
             "foo": "bar"
         }],
         inst.ENSURE_WRITE: [{
             "foo": "bar"
         }],
     }
     dist = self.generate_random_dist()
     with self.mock_platform(windows=True):
         plan.add_unlink(actions, dist)
     self.assertEqual(actions[inst.ENSURE_WRITE], [{"foo": "bar"}, dist])
コード例 #6
0
 def test_adds_to_existing_actions(self):
     actions = {inst.UNLINK: [{"foo": "bar"}]}
     dist = self.generate_random_dist()
     with self.mock_platform(windows=False):
         plan.add_unlink(actions, dist)
     self.assertEqual(2, len(actions[inst.UNLINK]))
コード例 #7
0
def test_add_unlink_takes_two_arguments(args):
    with pytest.raises(TypeError):
        plan.add_unlink(*args)
コード例 #8
0
ファイル: main_remove.py プロジェクト: wang1352083/conda
def execute(args, parser):
    import conda.plan as plan
    import conda.instructions as inst
    from conda.gateways.disk.delete import rm_rf
    from conda.core.linked_data import linked_data

    if not (args.all or args.package_names):
        raise CondaValueError('no package names supplied,\n'
                              '       try "conda remove -h" for more details')

    prefix = context.prefix_w_legacy_search
    if args.all and prefix == context.default_prefix:
        msg = "cannot remove current environment. deactivate and run conda remove again"
        raise CondaEnvironmentError(msg)
    check_write('remove', prefix, json=context.json)
    ensure_use_local(args)
    ensure_override_channels_requires_channel(args)
    channel_urls = args.channel or ()
    if not args.features and args.all:
        index = linked_data(prefix)
        index = {dist: info for dist, info in iteritems(index)}
    else:
        index = get_index(channel_urls=channel_urls,
                          prepend=not args.override_channels,
                          use_local=args.use_local,
                          use_cache=args.use_index_cache,
                          prefix=prefix)
    specs = None
    if args.features:
        features = set(args.package_names)
        actions = plan.remove_features_actions(prefix, index, features)

    elif args.all:
        if plan.is_root_prefix(prefix):
            raise CondaEnvironmentError(
                'cannot remove root environment,\n'
                '       add -n NAME or -p PREFIX option')
        actions = {inst.PREFIX: prefix}
        for dist in sorted(iterkeys(index)):
            plan.add_unlink(actions, dist)

    else:
        specs = specs_from_args(args.package_names)
        # import pdb; pdb.set_trace()
        if (context.conda_in_root and plan.is_root_prefix(prefix)
                and names_in_specs(ROOT_NO_RM, specs) and not args.force):
            raise CondaEnvironmentError(
                'cannot remove %s from root environment' %
                ', '.join(ROOT_NO_RM))
        actions = plan.remove_actions(prefix,
                                      specs,
                                      index=index,
                                      force=args.force,
                                      pinned=args.pinned)

    delete_trash()

    if plan.nothing_to_do(actions):
        if args.all:
            print("\nRemove all packages in environment %s:\n" % prefix,
                  file=sys.stderr)
            if not context.json:
                confirm_yn(args)
            rm_rf(prefix)

            if context.json:
                stdout_json({'success': True, 'actions': actions})
            return
        raise PackageNotFoundError(
            '', 'no packages found to remove from '
            'environment: %s' % prefix)

    if not context.json:
        print()
        print("Package plan for package removal in environment %s:" % prefix)
        plan.display_actions(actions, index)

    if context.json and args.dry_run:
        stdout_json({'success': True, 'dry_run': True, 'actions': actions})
        return

    if not context.json:
        confirm_yn(args)

    if context.json and not context.quiet:
        with json_progress_bars():
            plan.execute_actions(actions, index, verbose=not context.quiet)
    else:
        plan.execute_actions(actions, index, verbose=not context.quiet)
        if specs:
            try:
                with open(join(prefix, 'conda-meta', 'history'), 'a') as f:
                    f.write('# remove specs: %s\n' % ','.join(specs))
            except IOError as e:
                if e.errno == errno.EACCES:
                    log.debug("Can't write the history file")
                else:
                    raise

    if args.all:
        rm_rf(prefix)

    if context.json:
        stdout_json({'success': True, 'actions': actions})
コード例 #9
0
ファイル: main_remove.py プロジェクト: happy-fish/conda
def execute(args, parser):
    import conda.plan as plan
    import conda.instructions as inst
    from conda.install import rm_rf, linked_data

    if not (args.all or args.package_names):
        raise CondaValueError('no package names supplied,\n'
                              '       try "conda remove -h" for more details',
                              args.json)

    prefix = get_prefix(args)
    if args.all and prefix == default_prefix:
        msg = "cannot remove current environment. deactivate and run conda remove again"
        raise CondaEnvironmentError(msg)
    check_write('remove', prefix, json=args.json)
    ensure_use_local(args)
    ensure_override_channels_requires_channel(args)
    channel_urls = args.channel or ()
    if not args.features and args.all:
        index = linked_data(prefix)
        index = {dist + '.tar.bz2': info for dist, info in iteritems(index)}
    else:
        index = get_index_trap(channel_urls=channel_urls,
                               prepend=not args.override_channels,
                               use_local=args.use_local,
                               use_cache=args.use_index_cache,
                               json=args.json,
                               offline=args.offline,
                               prefix=prefix)
    specs = None
    if args.features:
        features = set(args.package_names)
        actions = plan.remove_features_actions(prefix, index, features)

    elif args.all:
        if plan.is_root_prefix(prefix):
            raise CondaEnvironmentError('cannot remove root environment,\n'
                                        '       add -n NAME or -p PREFIX option',
                                        args.json)
        actions = {inst.PREFIX: prefix}
        for fkey in sorted(iterkeys(index)):
            plan.add_unlink(actions, fkey[:-8])

    else:
        specs = specs_from_args(args.package_names)
        if (plan.is_root_prefix(prefix) and names_in_specs(root_no_rm, specs)):
            raise CondaEnvironmentError('cannot remove %s from root environment' %
                                        ', '.join(root_no_rm), args.json)
        actions = plan.remove_actions(prefix, specs, index=index,
                                      force=args.force, pinned=args.pinned)

    if plan.nothing_to_do(actions):
        if args.all:
            rm_rf(prefix)

            if args.json:
                stdout_json({
                    'success': True,
                    'actions': actions
                })
            return
        raise PackageNotFoundError('no packages found to remove from '
                                   'environment: %s' % prefix, args.json)

    if not args.json:
        print()
        print("Package plan for package removal in environment %s:" % prefix)
        plan.display_actions(actions, index)

    if args.json and args.dry_run:
        stdout_json({
            'success': True,
            'dry_run': True,
            'actions': actions
        })
        return

    if not args.json:
        confirm_yn(args)

    if args.json and not args.quiet:
        with json_progress_bars():
            plan.execute_actions(actions, index, verbose=not args.quiet)
    else:
        plan.execute_actions(actions, index, verbose=not args.quiet)
        if specs:
            try:
                with open(join(prefix, 'conda-meta', 'history'), 'a') as f:
                    f.write('# remove specs: %s\n' % specs)
            except IOError as e:
                if e.errno == errno.EACCES:
                    log.debug("Can't write the history file")
                else:
                    raise

    if args.all:
        rm_rf(prefix)

    if args.json:
        stdout_json({
            'success': True,
            'actions': actions
        })
コード例 #10
0
ファイル: main_remove.py プロジェクト: Studiogit/conda
    elif args.all:
        if plan.is_root_prefix(prefix):
            common.error_and_exit('cannot remove root environment,\n'
                                  '       add -n NAME or -p PREFIX option',
                                  json=args.json,
                                  error_type="CantRemoveRoot")

<<<<<<< HEAD
<<<<<<< HEAD
<<<<<<< HEAD
<<<<<<< HEAD
<<<<<<< HEAD
<<<<<<< HEAD
        actions = {inst.PREFIX: prefix}
        for dist in sorted(linked(prefix)):
            plan.add_unlink(actions, dist)
=======
        actions = {inst.PREFIX: [prefix],
                   inst.UNLINK: [sorted(linked(prefix))]}
>>>>>>> conda/feature/instruction-arguments
=======
        actions = {inst.PREFIX: [prefix],
                   inst.UNLINK: [sorted(linked(prefix))]}
>>>>>>> origin/feature/instruction-arguments
=======
        actions = {inst.PREFIX: [prefix],
                   inst.UNLINK: [sorted(linked(prefix))]}
<<<<<<< HEAD
>>>>>>> princeofdarkness76/feature/instruction-arguments
=======
>>>>>>> conda/feature/instruction-arguments
コード例 #11
0
def execute(args, parser):
    import conda.plan as plan
    import conda.instructions as inst
    from conda.install import rm_rf, linked
    from conda import config

    if not (args.all or args.package_names):
        common.error_and_exit(
            'no package names supplied,\n'
            '       try "conda remove -h" for more details',
            json=args.json,
            error_type="ValueError")

    prefix = common.get_prefix(args)
    if args.all and prefix == config.default_prefix:
        common.error_and_exit(
            "cannot remove current environment. deactivate and run conda remove again"
        )
    common.check_write('remove', prefix, json=args.json)
    common.ensure_override_channels_requires_channel(args, json=args.json)
    channel_urls = args.channel or ()
    if args.use_local:
        from conda.fetch import fetch_index
        from conda.utils import url_path
        try:
            from conda_build.config import croot
        except ImportError:
            common.error_and_exit(
                "you need to have 'conda-build >= 1.7.1' installed"
                " to use the --use-local option",
                json=args.json,
                error_type="RuntimeError")
        # remove the cache such that a refetch is made,
        # this is necessary because we add the local build repo URL
        fetch_index.cache = {}
        if exists(croot):
            channel_urls = [url_path(croot)] + list(channel_urls)
        index = common.get_index_trap(channel_urls=channel_urls,
                                      prepend=not args.override_channels,
                                      use_cache=args.use_index_cache,
                                      json=args.json,
                                      offline=args.offline)
    else:
        index = common.get_index_trap(channel_urls=channel_urls,
                                      prepend=not args.override_channels,
                                      use_cache=args.use_index_cache,
                                      json=args.json,
                                      offline=args.offline)
    specs = None
    if args.features:
        features = set(args.package_names)
        actions = plan.remove_features_actions(prefix, index, features)

    elif args.all:
        if plan.is_root_prefix(prefix):
            common.error_and_exit(
                'cannot remove root environment,\n'
                '       add -n NAME or -p PREFIX option',
                json=args.json,
                error_type="CantRemoveRoot")

        actions = {inst.PREFIX: prefix}
        for dist in sorted(linked(prefix)):
            plan.add_unlink(actions, dist)

    else:
        specs = common.specs_from_args(args.package_names)
        if (plan.is_root_prefix(prefix)
                and common.names_in_specs(common.root_no_rm, specs)):
            common.error_and_exit('cannot remove %s from root environment' %
                                  ', '.join(common.root_no_rm),
                                  json=args.json,
                                  error_type="CantRemoveFromRoot")
        actions = plan.remove_actions(prefix,
                                      specs,
                                      index=index,
                                      pinned=args.pinned)

    if plan.nothing_to_do(actions):
        if args.all:
            rm_rf(prefix)

            if args.json:
                common.stdout_json({'success': True, 'actions': actions})
            return
        common.error_and_exit('no packages found to remove from '
                              'environment: %s' % prefix,
                              json=args.json,
                              error_type="PackageNotInstalled")

    if not args.json:
        print()
        print("Package plan for package removal in environment %s:" % prefix)
        plan.display_actions(actions, index)

    if args.json and args.dry_run:
        common.stdout_json({
            'success': True,
            'dry_run': True,
            'actions': actions
        })
        return

    if not args.json:
        common.confirm_yn(args)

    if args.json and not args.quiet:
        with json_progress_bars():
            plan.execute_actions(actions, index, verbose=not args.quiet)
    else:
        plan.execute_actions(actions, index, verbose=not args.quiet)
        if specs:
            try:
                with open(join(prefix, 'conda-meta', 'history'), 'a') as f:
                    f.write('# remove specs: %s\n' % specs)
            except IOError as e:
                if e.errno == errno.EACCES:
                    log.debug("Can't write the history file")
                else:
                    raise

    if args.all:
        rm_rf(prefix)

    if args.json:
        common.stdout_json({'success': True, 'actions': actions})
コード例 #12
0
ファイル: main_remove.py プロジェクト: ESSS/conda
def execute(args, parser):
    import conda.plan as plan
    import conda.instructions as inst
    from conda.gateways.disk.delete import rm_rf
    from conda.core.linked_data import linked_data

    if not (args.all or args.package_names):
        raise CondaValueError('no package names supplied,\n'
                              '       try "conda remove -h" for more details')

    prefix = context.prefix_w_legacy_search
    if args.all and prefix == context.default_prefix:
        msg = "cannot remove current environment. deactivate and run conda remove again"
        raise CondaEnvironmentError(msg)
    check_write('remove', prefix, json=context.json)
    ensure_use_local(args)
    ensure_override_channels_requires_channel(args)
    if not args.features and args.all:
        index = linked_data(prefix)
        index = {dist: info for dist, info in iteritems(index)}
    else:
        index = get_index(channel_urls=context.channels,
                          prepend=not args.override_channels,
                          use_local=args.use_local,
                          use_cache=args.use_index_cache,
                          prefix=prefix)
    specs = None
    if args.features:
        specs = ['@' + f for f in set(args.package_names)]
        actions = plan.remove_actions(prefix, specs, index, pinned=args.pinned)
        action_groups = actions,
    elif args.all:
        if plan.is_root_prefix(prefix):
            raise CondaEnvironmentError('cannot remove root environment,\n'
                                        '       add -n NAME or -p PREFIX option')
        actions = {inst.PREFIX: prefix}
        for dist in sorted(iterkeys(index)):
            plan.add_unlink(actions, dist)
        action_groups = actions,
    else:
        specs = specs_from_args(args.package_names)
        r = Resolve(index)
        prefix_spec_map = create_prefix_spec_map_with_deps(r, specs, prefix)

        if (context.conda_in_root and plan.is_root_prefix(prefix) and names_in_specs(
                ROOT_NO_RM, specs) and not args.force):
            raise CondaEnvironmentError('cannot remove %s from root environment' %
                                        ', '.join(ROOT_NO_RM))
        actions = []
        for prfx, spcs in iteritems(prefix_spec_map):
            index = linked_data(prfx)
            index = {dist: info for dist, info in iteritems(index)}
            actions.append(plan.remove_actions(prfx, list(spcs), index=index, force=args.force,
                                               pinned=args.pinned))
        action_groups = tuple(actions)

    delete_trash()
    if any(plan.nothing_to_do(actions) for actions in action_groups):
        if args.all:
            print("\nRemove all packages in environment %s:\n" % prefix, file=sys.stderr)
            if not context.json:
                confirm_yn(args)
            rm_rf(prefix)

            if context.json:
                stdout_json({
                    'success': True,
                    'actions': action_groups
                })
            return
        raise PackageNotFoundError('', 'no packages found to remove from '
                                       'environment: %s' % prefix)
    for action in action_groups:
        if not context.json:
            print()
            print("Package plan for package removal in environment %s:" % action["PREFIX"])
            plan.display_actions(action, index)

        if context.json and args.dry_run:
            stdout_json({
                'success': True,
                'dry_run': True,
                'actions': action_groups
            })
            return

    if not context.json:
        confirm_yn(args)

    for actions in action_groups:
        if context.json and not context.quiet:
            with json_progress_bars():
                plan.execute_actions(actions, index, verbose=not context.quiet)
        else:
            plan.execute_actions(actions, index, verbose=not context.quiet)
            if specs:
                try:
                    with open(join(prefix, 'conda-meta', 'history'), 'a') as f:
                        f.write('# remove specs: %s\n' % ','.join(specs))
                except IOError as e:
                    if e.errno == errno.EACCES:
                        log.debug("Can't write the history file")
                    else:
                        raise

        target_prefix = actions["PREFIX"]
        if (is_private_env(prefix_to_env_name(target_prefix, context.root_prefix)) and
                linked_data(target_prefix) == {}):
            rm_rf(target_prefix)

    if args.all:
        rm_rf(prefix)

    if context.json:
        stdout_json({
            'success': True,
            'actions': actions
        })
コード例 #13
0
ファイル: main_remove.py プロジェクト: AvdN/conda
def execute(args, parser):
    import conda.plan as plan
    import conda.instructions as inst
    from conda.install import rm_rf, linked
    from conda import config

    if not (args.all or args.package_names):
        common.error_and_exit('no package names supplied,\n'
                              '       try "conda remove -h" for more details',
                              json=args.json,
                              error_type="ValueError")

    prefix = common.get_prefix(args)
    if args.all and prefix == config.default_prefix:
        common.error_and_exit("cannot remove current environment. deactivate and run conda remove again")
    common.check_write('remove', prefix, json=args.json)
    common.ensure_override_channels_requires_channel(args, json=args.json)
    channel_urls = args.channel or ()
    if args.use_local:
        from conda.fetch import fetch_index
        from conda.utils import url_path
        try:
            from conda_build.config import croot
        except ImportError:
            common.error_and_exit("you need to have 'conda-build >= 1.7.1' installed"
                                  " to use the --use-local option",
                                  json=args.json,
                                  error_type="RuntimeError")
        # remove the cache such that a refetch is made,
        # this is necessary because we add the local build repo URL
        fetch_index.cache = {}
        if exists(croot):
            channel_urls = [url_path(croot)] + list(channel_urls)
        index = common.get_index_trap(channel_urls=channel_urls,
                                      prepend=not args.override_channels,
                                      use_cache=args.use_index_cache,
                                      json=args.json,
                                      offline=args.offline)
    else:
        index = common.get_index_trap(channel_urls=channel_urls,
                                      prepend=not args.override_channels,
                                      use_cache=args.use_index_cache,
                                      json=args.json,
                                      offline=args.offline)
    specs = None
    if args.features:
        features = set(args.package_names)
        actions = plan.remove_features_actions(prefix, index, features)

    elif args.all:
        if plan.is_root_prefix(prefix):
            common.error_and_exit('cannot remove root environment,\n'
                                  '       add -n NAME or -p PREFIX option',
                                  json=args.json,
                                  error_type="CantRemoveRoot")

        actions = {inst.PREFIX: prefix}
        for dist in sorted(linked(prefix)):
            plan.add_unlink(actions, dist)

    else:
        specs = common.specs_from_args(args.package_names)
        if (plan.is_root_prefix(prefix) and
            common.names_in_specs(common.root_no_rm, specs)):
            common.error_and_exit('cannot remove %s from root environment' %
                                  ', '.join(common.root_no_rm),
                                  json=args.json,
                                  error_type="CantRemoveFromRoot")
        actions = plan.remove_actions(prefix, specs, index=index, pinned=args.pinned)

    if plan.nothing_to_do(actions):
        if args.all:
            rm_rf(prefix)

            if args.json:
                common.stdout_json({
                    'success': True,
                    'actions': actions
                })
            return
        common.error_and_exit('no packages found to remove from '
                              'environment: %s' % prefix,
                              json=args.json,
                              error_type="PackageNotInstalled")

    if not args.json:
        print()
        print("Package plan for package removal in environment %s:" % prefix)
        plan.display_actions(actions, index)

    if args.json and args.dry_run:
        common.stdout_json({
            'success': True,
            'dry_run': True,
            'actions': actions
        })
        return


    if not args.json:
        common.confirm_yn(args)

    if args.json and not args.quiet:
        with json_progress_bars():
            plan.execute_actions(actions, index, verbose=not args.quiet)
    else:
        plan.execute_actions(actions, index, verbose=not args.quiet)
        if specs:
            try:
                with open(join(prefix, 'conda-meta', 'history'), 'a') as f:
                    f.write('# remove specs: %s\n' % specs)
            except IOError as e:
                if e.errno == errno.EACCES:
                    log.debug("Can't write the history file")
                else:
                    raise

    if args.all:
        rm_rf(prefix)

    if args.json:
        common.stdout_json({
            'success': True,
            'actions': actions
        })
コード例 #14
0
def execute(args, parser):
    import conda.plan as plan
    import conda.instructions as inst
    from conda.install import rm_rf, linked

    if not (args.all or args.package_names):
        error_and_exit(
            'no package names supplied,\n'
            '       try "conda remove -h" for more details',
            json=args.json,
            error_type="ValueError")

    prefix = get_prefix(args)
    if args.all and prefix == default_prefix:
        msg = "cannot remove current environment. deactivate and run conda remove again"
        error_and_exit(msg)
    check_write('remove', prefix, json=args.json)
    ensure_use_local(args)
    ensure_override_channels_requires_channel(args)
    channel_urls = args.channel or ()
    if not args.features and args.all:
        index = {}
    else:
        index = get_index_trap(channel_urls=channel_urls,
                               prepend=not args.override_channels,
                               use_local=args.use_local,
                               use_cache=args.use_index_cache,
                               json=args.json,
                               offline=args.offline,
                               prefix=prefix)
    specs = None
    if args.features:
        features = set(args.package_names)
        actions = plan.remove_features_actions(prefix, index, features)

    elif args.all:
        if plan.is_root_prefix(prefix):
            error_and_exit(
                'cannot remove root environment,\n'
                '       add -n NAME or -p PREFIX option',
                json=args.json,
                error_type="CantRemoveRoot")

        actions = {inst.PREFIX: prefix}
        for dist in sorted(linked(prefix)):
            plan.add_unlink(actions, dist)

    else:
        specs = specs_from_args(args.package_names)
        if (plan.is_root_prefix(prefix) and names_in_specs(root_no_rm, specs)):
            error_and_exit('cannot remove %s from root environment' %
                           ', '.join(root_no_rm),
                           json=args.json,
                           error_type="CantRemoveFromRoot")
        actions = plan.remove_actions(prefix,
                                      specs,
                                      index=index,
                                      force=args.force,
                                      pinned=args.pinned)

    if plan.nothing_to_do(actions):
        if args.all:
            rm_rf(prefix)

            if args.json:
                stdout_json({'success': True, 'actions': actions})
            return
        error_and_exit('no packages found to remove from '
                       'environment: %s' % prefix,
                       json=args.json,
                       error_type="PackageNotInstalled")

    if not args.json:
        print()
        print("Package plan for package removal in environment %s:" % prefix)
        plan.display_actions(actions, index)

    if args.json and args.dry_run:
        stdout_json({'success': True, 'dry_run': True, 'actions': actions})
        return

    if not args.json:
        confirm_yn(args)

    if args.json and not args.quiet:
        with json_progress_bars():
            plan.execute_actions(actions, index, verbose=not args.quiet)
    else:
        plan.execute_actions(actions, index, verbose=not args.quiet)
        if specs:
            try:
                with open(join(prefix, 'conda-meta', 'history'), 'a') as f:
                    f.write('# remove specs: %s\n' % specs)
            except IOError as e:
                if e.errno == errno.EACCES:
                    log.debug("Can't write the history file")
                else:
                    raise

    if args.all:
        rm_rf(prefix)

    if args.json:
        stdout_json({'success': True, 'actions': actions})