Source code for meta_package_manager.managers.npm

# -*- coding: utf-8 -*-
#
# Copyright (c) 2016-2017 Kevin Deldycke <kevin@deldycke.com>
#                         and contributors.
# All Rights Reserved.
#
# This program is Free Software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

from __future__ import (
    absolute_import,
    division,
    print_function,
    unicode_literals
)

import json

from boltons.cacheutils import cachedproperty
from boltons.iterutils import remap

from ..base import PackageManager
from ..platform import MACOS


[docs]class NPM(PackageManager): cli_path = '/usr/local/bin/npm' platforms = frozenset([MACOS])
[docs] def get_version(self): """ Fetch version from ``npm --version`` output.""" return self.run([self.cli_path, '--version'])
name = "Node's npm" @cachedproperty def installed(self): """ Fetch installed packages from ``npm list`` output. Raw CLI output sample: .. code-block:: shell-session $ npm list -g --json { "dependencies": { "npm": { "version": "4.0.5", "dependencies": { "JSONStream": { "version": "1.2.1", "from": "JSONStream@latest", "resolved": "https://(...)/JSONStream-1.2.1.tgz", "dependencies": { "jsonparse": { "version": "1.2.0", "from": "jsonparse@>=1.2.0 <2.0.0", "resolved": "https://(...)/jsonparse-1.2.0.tgz" }, "through": { "version": "2.3.8", "from": "through@>=2.2.7 <3.0.0", "resolved": "https://(...)/through-2.3.8.tgz" } } }, "abbrev": { "version": "1.0.9", "from": "abbrev@1.0.9", "resolved": "https://(...)/abbrev-1.0.9.tgz" }, "ansi-regex": { "version": "2.0.0", "from": "ansi-regex@2.0.0", "resolved": "https://(...)/ansi-regex-2.0.0.tgz" }, (...) """ installed = {} output = self.run([self.cli_path] + self.cli_args + [ '-g', '--json', 'list']) if output: def visit(path, key, value): if key == 'version': package_id = path[-1] installed[package_id] = { 'id': package_id, 'name': package_id, 'installed_version': value} return True remap(json.loads(output), visit=visit) return installed @cachedproperty def outdated(self): """ Fetch outdated packages from ``npm outdated`` output. Raw CLI output sample: .. code-block:: shell-session $ npm -g --progress=false --json outdated { "my-linked-package": { "current": "0.0.0-development", "wanted": "linked", "latest": "linked", "location": "/Users/..." }, "npm": { "current": "3.10.3", "wanted": "3.10.5", "latest": "3.10.5", "location": "/Users/..." } } """ outdated = {} output = self.run([self.cli_path] + self.cli_args + [ '-g', '--progress=false', '--json', 'outdated']) if output: for package_id, values in json.loads(output).items(): if values['wanted'] == 'linked': continue outdated[package_id] = { 'id': package_id, 'name': package_id, 'installed_version': values['current'] if 'current' in values else None, 'latest_version': values['latest']} return outdated
[docs] def upgrade_cli(self, package_id=None): cmd = [self.cli_path] + self.cli_args + [ '-g', '--progress=false', 'update'] if package_id: cmd.append(package_id) return cmd
[docs] def upgrade_all_cli(self): return self.upgrade_cli()