install_apt_test

import apt
import os
import tempfile
import shutil

apt.apt_pkg.config.clear("APT::Update::Post-Invoke")
apt.apt_pkg.config.clear("APT::Update::Post-Invoke-Success")
apt.apt_pkg.config.clear("DPkg::Post-Invoke")

# set to something not existing
apt.apt_pkg.config.set("Dir::Bin::dpkg", "/usr/bin/dpkg2")

apt_package_dir = tempfile.mkdtemp()
with open(os.path.join(apt_package_dir, 'Packages'), 'w') as f:
    f.write('''Package: abrowser
Priority: optional
Section: web
Installed-Size: 136
Maintainer: Ubuntu Mozilla Team <ubuntu-mozillateam@lists.ubuntu.com>
Architecture: all
Source: firefox
Version: 3.6.9+build1+nobinonly-0ubuntu1
Depends: firefox, abrowser-branding
Filename: pool/main/f/firefox/abrowser_3.6.9+build1+nobinonly-0ubuntu1_all.deb
Size: 82324
MD5sum: 3a8c96814b0201c285274fded3e2d203
SHA1: 05a3c9d5ced88fc51f3aa3166b0ca4030dcc4e49
SHA256: 1c3d03dfe4364394f89f453d46b81c2024996a81d929a5ed6e1803ad5f9a21e9
Description: metapackage for the unbranded abrowser
 ABrowser is an unbranded version of the popular Firefox webbrowser;
 it is written in the XUL language and designed to be lightweight and
 cross-platform.
 .
 This is a metapackage that will point to the latest abrowser package in
 your distribution.
 Don't remove this if you want to receive automatic major version upgrades
 for this package in future.
Xul-Appid: {ec8030f7-c20a-464f-9b0e-13a3a9e97384}
Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Origin: Ubuntu
Supported: 18m''')

apt_chroot = tempfile.mkdtemp()
os.makedirs(os.path.join(apt_chroot, 'var', 'log', 'apt'))
apt_etc = os.path.join(apt_chroot, 'etc', 'apt')

os.makedirs(apt_etc)
with open(os.path.join(apt_etc, 'sources.list'), 'w') as f:
    f.write('deb copy:{} /'.format(apt_package_dir))

cache = apt.Cache(rootdir=apt_chroot)
cache.update()
cache = apt.Cache()

pkg = cache['abrowser']
print(pkg)
pkg.mark_install()
return_value = cache.commit()
print(return_value)


shutil.rmtree(apt_package_dir)
shutil.rmtree(apt_chroot)