# -*- 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 os
import re
from boltons.cacheutils import cachedproperty
from ..base import PackageManager
from ..platform import MACOS
[docs]class Gem(PackageManager):
HOMEBREW_PATH = '/usr/local/bin/gem'
SYSTEM_PATH = '/usr/bin/gem'
platforms = frozenset([MACOS])
[docs] def __init__(self):
super(Gem, self).__init__()
# Check if the gem CLI is the original one from the system or was
# installed via Homebrew.
self.system_install = True
if os.path.exists(Gem.HOMEBREW_PATH):
self.system_install = False
[docs] def get_version(self):
""" Fetch version from ``gem --version`` output."""
return self.run([self.cli_path, '--version'])
@cachedproperty
def cli_path(self):
return Gem.SYSTEM_PATH if self.system_install else Gem.HOMEBREW_PATH
name = "Ruby Gems"
@cachedproperty
def installed(self):
""" Fetch installed packages from ``gem list`` output.
Raw CLI output sample:
.. code-block:: shell-session
$ gem list
*** LOCAL GEMS ***
bigdecimal (1.2.0)
CFPropertyList (2.2.8)
io-console (0.4.2)
json (1.7.7)
libxml-ruby (2.6.0)
minitest (4.3.2)
nokogiri (1.5.6)
psych (2.0.0)
rake (0.9.6)
rdoc (4.0.0)
sqlite3 (1.3.7)
test-unit (2.0.0.0)
"""
installed = {}
# `list` operation does not require sudo privileges on homebrew or
# system.
output = self.run([self.cli_path] + self.cli_args + ['list'])
if output:
regexp = re.compile(r'(\S+) \((\S+)\)')
for package in output.split('\n'):
if not package or package.startswith('***'):
continue
package_id, current_version = regexp.match(package).groups()
installed[package_id] = {
'id': package_id,
'name': package_id,
'installed_version': current_version}
return installed
@cachedproperty
def outdated(self):
""" Fetch outdated packages from ``gem outdated`` output.
Raw CLI output sample:
.. code-block:: shell-session
$ gem outdated
did_you_mean (1.0.0 < 1.0.2)
io-console (0.4.5 < 0.4.6)
json (1.8.3 < 2.0.1)
minitest (5.8.3 < 5.9.0)
power_assert (0.2.6 < 0.3.0)
psych (2.0.17 < 2.1.0)
"""
outdated = {}
# `outdated` operation does not require sudo privileges on homebrew or
# system.
output = self.run([self.cli_path] + self.cli_args + ['outdated'])
if output:
regexp = re.compile(r'(\S+) \((\S+) < (\S+)\)')
for package in output.split('\n'):
if not package:
continue
package_id, current_version, latest_version = regexp.match(
package).groups()
outdated[package_id] = {
'id': package_id,
'name': package_id,
'installed_version': current_version,
'latest_version': latest_version}
return outdated
[docs] def upgrade_cli(self, package_id=None):
cmd = [self.cli_path] + self.cli_args + ['update']
# Installs require `sudo` on system ruby.
# I (@tresni) recommend doing something like:
# $ sudo dseditgroup -o edit -a -t user wheel
# And then do `visudo` to make it so the `wheel` group does not require
# a password. There is a line already there for it, you just need to
# uncomment it and save.)
if self.system_install:
cmd.insert(0, '/usr/bin/sudo')
if package_id:
cmd.append(package_id)
return cmd
[docs] def upgrade_all_cli(self):
return self.upgrade_cli()