Hydrilla

from pathlib import Path, PurePosixPath

from tempfile import TemporaryDirectory, NamedTemporaryFile

from hashlib import sha256

from contextlib import contextmanager

from typing import Optional, Iterable

    Return value is a list of names of all downloaded files.

    """

    with local_apt(list, keys) as apt:

        if with_deps:

            cp = apt.get('install', '--yes', '--just-print', *packages)

                raise AptError(_('apt_install_output_not_understood'), cp)

        # Download .debs to indirectly to destination_dir by first placing them

        # in a temporary subdirectory.

        with TemporaryDirectory(dir=destination_dir) as td:

                        .format(deb_file.name)

                    raise AptError(msg, cp)

                downloaded.append(deb_file.name)

            apt.get('source', '--download-only',

The following NEW packages will be installed:

  fonts-mathjax libjs-mathjax

0 upgraded, 2 newly installed, 0 to remove and 0 not upgraded.

'''

def run_apt_get_install(command, returncode=0, **kwargs):

    Instead of running an 'apt-get download' command just write some dummy

    .deb to the appropriate directory.

    """

    conf_path = Path(process_run_args(command, kwargs, expected)['conf_path'])

    destination = Path(kwargs.get('cwd') or Path.cwd())

    for word in expected:

            deb_path.write_text(f'dummy {deb_path.name}')

    return MockedCompletedProcess(command, returncode,

    "tarballs" to the appropriate directory.

    """

    expected = ['apt-get', '-c', '<conf_path>', 'source',

        else:

    destination = Path(kwargs.get('cwd') or Path.cwd())

    for filename in [

    local_apt.download_apt_packages(sources_list, local_apt.default_keys,

                                    ['libjs-mathjax'], destination)

    source_paths = [

        destination / 'mathjax_2.7.9+dfsg-1.debian.tar.xz',