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# -*- coding: utf-8 -*-
"""
package_managers.py
~~~~~~~~~~~~~~~~~~~
This module implements some Python classes for the implementation of
the multiple package manager support.
:copyright: (c) 2010 by Rafael Goncalves Martins
:license: GPL-2, see LICENSE for more details.
"""
__all__ = [
'Portage',
'Pkgcore',
]
import os
import subprocess
class Base:
_client = ''
post_install = []
post_uninstall = []
def check_overlay(self, overlay, out):
return True
class Portage(Base):
_client = 'emerge'
post_uninstall = [
'You may want to remove the dependencies too, using:',
'# emerge -av --depclean',
]
def __init__(self, ask=False, verbose=False, pretend=False, nocolor=False):
self._fullcommand = [self._client]
ask and self._fullcommand.append('--ask')
verbose and self._fullcommand.append('--verbose')
pretend and self._fullcommand.append('--pretend')
nocolor and self._fullcommand.append('--color=n')
def run_command(self, command):
return subprocess.call(self._fullcommand + command)
def install_package(self, pkgatom):
return self.run_command([pkgatom])
def uninstall_package(self, pkgatom):
return self.run_command(['--unmerge', pkgatom])
def installed_packages(self):
packages = []
with open('/var/lib/portage/world') as fp:
for line in fp:
if line.startswith('g-octave/'):
packages.append(line.strip())
return packages
def create_manifest(self, ebuild):
return subprocess.call(['ebuild', ebuild, 'manifest'])
def check_overlay(self, overlay, out):
import portage
if overlay not in portage.settings['PORTDIR_OVERLAY'].split(' '):
out.eerror('g-octave overlay is not configured!')
out.eerror('You must append your overlay dir to PORTDIR_OVERLAY.')
out.eerror('Overlay: %s' % overlay)
return False
return True
class Pkgcore(Base):
_client = 'pmerge'
post_uninstall = [
'You may want to remove the dependencies too, using:',
'# pmerge -av --clean',
]
def __init__(self, ask=False, verbose=False, pretend=False, nocolor=False):
self._fullcommand = [self._client]
ask and self._fullcommand.append('--ask')
verbose and self._fullcommand.append('--verbose')
pretend and self._fullcommand.append('--pretend')
nocolor and self._fullcommand.append('--nocolor')
def run_command(self, command):
return subprocess.call(self._fullcommand + command)
def install_package(self, pkgatom):
return self.run_command([pkgatom])
def uninstall_package(self, pkgatom):
return self.run_command(['--unmerge', pkgatom])
def installed_packages(self):
packages = []
p = subprocess.Popen([
'pquery',
'--vdb',
'--pkgset=world',
'--no-version',
'g-octave/*',
], stdout=subprocess.PIPE)
if p.wait() == os.EX_OK:
for line in p.stdout:
packages.append(line.strip())
return packages
def create_manifest(self, ebuild):
# from portage :S
return subprocess.call(['ebuild', ebuild, 'manifest'])
|
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