Exemplo n.º 1
0
def remove(args, parser):
    if not (args.all or args.package_names):
        raise CondaValueError('no package names supplied,\n'
                              '       try "mamba remove -h" for more details')

    prefix = context.target_prefix
    check_non_admin()

    if args.all and prefix == context.default_prefix:
        raise CondaEnvironmentError("cannot remove current environment. \
                                     deactivate and run mamba remove again")

    if args.all and path_is_clean(prefix):
        # full environment removal was requested, but environment doesn't exist anyway
        return 0

    if args.all:
        if prefix == context.root_prefix:
            raise CondaEnvironmentError(
                'cannot remove root environment,\n'
                '       add -n NAME or -p PREFIX option')
        print("\nRemove all packages in environment %s:\n" % prefix,
              file=sys.stderr)

        if 'package_names' in args:
            stp = PrefixSetup(
                target_prefix=prefix,
                unlink_precs=tuple(PrefixData(prefix).iter_records()),
                link_precs=(),
                remove_specs=(),
                update_specs=(),
            )
            txn = UnlinkLinkTransaction(stp)
            handle_txn(txn, prefix, args, False, True)

        rm_rf(prefix, clean_empty_parents=True)
        unregister_env(prefix)

        return

    else:
        if args.features:
            specs = tuple(
                MatchSpec(track_features=f) for f in set(args.package_names))
        else:
            specs = [s for s in specs_from_args(args.package_names)]
        if not context.quiet:
            print("Removing specs: {}".format(specs))
        channel_urls = ()
        subdirs = ()

        installed_json_f = get_installed_jsonfile(prefix)

        mamba_solve_specs = [s.conda_build_form() for s in specs]

        solver_options.append((api.SOLVER_FLAG_ALLOW_UNINSTALL, 1))

        to_link, to_unlink = api.solve([], installed_json_f.name,
                                       mamba_solve_specs, solver_options,
                                       api.SOLVER_ERASE, False, context.quiet)
        conda_transaction = to_txn(specs, prefix, to_link, to_unlink)

        handle_txn(conda_transaction, prefix, args, False, True)
Exemplo n.º 2
0
Arquivo: mamba.py Projeto: minrk/mamba
def install(args, parser, command='install'):
    """
    mamba install, mamba update, and mamba create
    """
    context.validate_configuration()
    check_non_admin()

    newenv = bool(command == 'create')
    isupdate = bool(command == 'update')
    isinstall = bool(command == 'install')
    if newenv:
        ensure_name_or_prefix(args, command)
    prefix = context.target_prefix
    if newenv:
        check_prefix(prefix, json=context.json)
    if context.force_32bit and prefix == context.root_prefix:
        raise CondaValueError("cannot use CONDA_FORCE_32BIT=1 in base env")
    if isupdate and not (args.file or args.packages
                         or context.update_modifier == UpdateModifier.UPDATE_ALL):
        raise CondaValueError("""no package names supplied
# If you want to update to a newer version of Anaconda, type:
#
# $ conda update --prefix %s anaconda
""" % prefix)

    if not newenv:
        if isdir(prefix):
            delete_trash(prefix)
            if not isfile(join(prefix, 'conda-meta', 'history')):
                if paths_equal(prefix, context.conda_prefix):
                    raise NoBaseEnvironmentError()
                else:
                    if not path_is_clean(prefix):
                        raise DirectoryNotACondaEnvironmentError(prefix)
            else:
                # fall-through expected under normal operation
                pass
        else:
            if args.mkdir:
                try:
                    mkdir_p(prefix)
                except EnvironmentError as e:
                    raise CondaOSError("Could not create directory: %s" % prefix, caused_by=e)
            else:
                raise EnvironmentLocationNotFound(prefix)

    # context.__init__(argparse_args=args)

    prepend = not args.override_channels
    prefix = context.target_prefix

    index_args = {
        'use_cache': args.use_index_cache,
        'channel_urls': context.channels,
        'unknown': args.unknown,
        'prepend': not args.override_channels,
        'use_local': args.use_local
    }

    args_packages = [s.strip('"\'') for s in args.packages]
    if newenv and not args.no_default_packages:
        # Override defaults if they are specified at the command line
        # TODO: rework in 4.4 branch using MatchSpec
        args_packages_names = [pkg.replace(' ', '=').split('=', 1)[0] for pkg in args_packages]
        for default_pkg in context.create_default_packages:
            default_pkg_name = default_pkg.replace(' ', '=').split('=', 1)[0]
            if default_pkg_name not in args_packages_names:
                args_packages.append(default_pkg)

    num_cp = sum(s.endswith('.tar.bz2') for s in args_packages)
    if num_cp:
        if num_cp == len(args_packages):
            explicit(args_packages, prefix, verbose=not context.quiet)
            return
        else:
            raise CondaValueError("cannot mix specifications with conda package"
                                  " filenames")

    index = get_index(channel_urls=index_args['channel_urls'],
                      prepend=index_args['prepend'], platform=None,
                      use_local=index_args['use_local'], use_cache=index_args['use_cache'],
                      unknown=index_args['unknown'], prefix=prefix)

    channel_json = []
    for x in index:
        # add priority here
        if x.channel.name in index_args['channel_urls']:
            priority = len(index_args['channel_urls']) - index_args['channel_urls'].index(x.channel.name)
        else:
            priority = 0
        channel_json.append((str(x.channel), x.cache_path_json, priority))

    installed_pkg_recs, output = get_installed_packages(prefix, show_channel_urls=True)
    installed_json_f = tempfile.NamedTemporaryFile('w', delete=False)
    installed_json_f.write(json_dump(output))
    installed_json_f.flush()

    specs = []
    if args.file:
        for fpath in args.file:
            try:
                specs.extend(specs_from_url(fpath, json=context.json))
            except Unicode:
                raise CondaError("Error reading file, file should be a text file containing"
                                 " packages \nconda create --help for details")
        if '@EXPLICIT' in specs:
            explicit(specs, prefix, verbose=not context.quiet, index_args=index_args)
            return

    specs.extend(specs_from_args(args_packages, json=context.json))

    if isinstall and args.revision:
        get_revision(args.revision, json=context.json)
    elif isinstall and not (args.file or args_packages):
        raise CondaValueError("too few arguments, "
                              "must supply command line package specs or --file")

    # for 'conda update', make sure the requested specs actually exist in the prefix
    # and that they are name-only specs
    if isupdate and context.update_modifier == UpdateModifier.UPDATE_ALL:
        print("Currently, mamba can only update explicit packages! (e.g. mamba update numpy python ...)")
        exit()

    if isupdate and context.update_modifier != UpdateModifier.UPDATE_ALL:
        prefix_data = PrefixData(prefix)
        for spec in specs:
            spec = MatchSpec(spec)
            if not spec.is_name_only_spec:
                raise CondaError("Invalid spec for 'conda update': %s\n"
                                 "Use 'conda install' instead." % spec)
            if not prefix_data.get(spec.name, None):
                raise PackageNotInstalledError(prefix, spec.name)

    if newenv and args.clone:
        if args.packages:
            raise TooManyArgumentsError(0, len(args.packages), list(args.packages),
                                        'did not expect any arguments for --clone')

        clone(args.clone, prefix, json=context.json, quiet=context.quiet, index_args=index_args)
        touch_nonadmin(prefix)
        print_activate(args.name if args.name else prefix)
        return

    specs = [MatchSpec(s) for s in specs]
    mamba_solve_specs = [s.conda_build_form() for s in specs]

    print("\n\nLooking for: {}\n\n".format(mamba_solve_specs))


    strict_priority = (context.channel_priority == ChannelPriority.STRICT)
    if strict_priority:
        raise Exception("Cannot use strict priority with mamba!")

    to_link, to_unlink = api.solve(channel_json, installed_json_f.name, mamba_solve_specs, isupdate, strict_priority)

    to_link_records, to_unlink_records = [], []

    final_precs = IndexedSet(PrefixData(prefix).iter_records())

    def get_channel(c):
        for x in index:
            if str(x.channel) == c:
                return x

    for c, pkg in to_unlink:
        for i_rec in installed_pkg_recs:
            if i_rec.fn == pkg:
                final_precs.remove(i_rec)
                to_unlink_records.append(i_rec)
                break
        else:
            print("No package record found!")

    for c, pkg, jsn_s in to_link:
        sdir = get_channel(c)
        rec = to_package_record_from_subjson(sdir, pkg, jsn_s)
        final_precs.add(rec)
        to_link_records.append(rec)

    unlink_precs, link_precs = diff_for_unlink_link_precs(prefix,
                                                          final_precs=IndexedSet(PrefixGraph(final_precs).graph),
                                                          specs_to_add=specs,
                                                          force_reinstall=context.force_reinstall)

    pref_setup = PrefixSetup(
        target_prefix = prefix,
        unlink_precs  = unlink_precs,
        link_precs    = link_precs,
        remove_specs  = [],
        update_specs  = specs
    )

    conda_transaction = UnlinkLinkTransaction(pref_setup)
    handle_txn(conda_transaction, prefix, args, newenv)

    try:
        installed_json_f.close()
        os.unlink(installed_json_f.name)
    except:
        pass
Exemplo n.º 3
0
def mamba_install(prefix, specs, args, env, *_, **kwargs):
    # TODO: support all various ways this happens
    # Including 'nodefaults' in the channels list disables the defaults
    channel_urls = [chan for chan in env.channels if chan != 'nodefaults']

    if 'nodefaults' not in env.channels:
        channel_urls.extend(context.channels)
    _channel_priority_map = prioritize_channels(channel_urls)

    index = get_env_index(_channel_priority_map)

    channel_json = []

    for x in index:
        # add priority here
        priority = len(_channel_priority_map) - _channel_priority_map[
            x.url_w_subdir][1]
        subpriority = 0 if x.channel.platform == 'noarch' else 1
        if os.path.exists(x.cache_path_solv):
            cache_file = x.cache_path_solv
        else:
            cache_file = x.cache_path_json
        channel_json.append(
            (str(x.channel), cache_file, priority, subpriority))

    specs = [MatchSpec(s) for s in specs]
    mamba_solve_specs = [s.conda_build_form() for s in specs]

    print("\n\nLooking for: {}\n\n".format(mamba_solve_specs))

    # TODO!
    installed_json_f = tempfile.NamedTemporaryFile('w', delete=False)
    installed_json_f.write("")  # stupid!
    installed_json_f.flush()

    solver_options = [(api.SOLVER_FLAG_ALLOW_DOWNGRADE, 1)]

    to_link, to_unlink = api.solve(channel_json, installed_json_f.name,
                                   mamba_solve_specs, solver_options,
                                   api.SOLVER_INSTALL, False, context.quiet)

    to_link_records, to_unlink_records = [], []

    final_precs = IndexedSet(PrefixData(prefix).iter_records())

    def get_channel(c):
        for x in index:
            if str(x.channel) == c:
                return x

    for c, pkg in to_unlink:
        for i_rec in installed_pkg_recs:
            if i_rec.fn == pkg:
                final_precs.remove(i_rec)
                to_unlink_records.append(i_rec)
                break
        else:
            print("No package record found!")

    for c, pkg, jsn_s in to_link:
        sdir = get_channel(c)
        rec = to_package_record_from_subjson(sdir, pkg, jsn_s)
        final_precs.add(rec)
        to_link_records.append(rec)

    unlink_precs, link_precs = diff_for_unlink_link_precs(
        prefix,
        final_precs=IndexedSet(PrefixGraph(final_precs).graph),
        specs_to_add=specs,
        force_reinstall=context.force_reinstall)

    pref_setup = PrefixSetup(target_prefix=prefix,
                             unlink_precs=unlink_precs,
                             link_precs=link_precs,
                             remove_specs=[],
                             update_specs=specs)

    conda_transaction = UnlinkLinkTransaction(pref_setup)

    pfe = conda_transaction._get_pfe()
    pfe.execute()
    conda_transaction.execute()

    try:
        installed_json_f.close()
        os.unlink(installed_json_f.name)
    except:
        pass