/usr/lib/python3/dist-packages/click/preinst.py is in python3-click 0.4.21.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Author: Colin Watson <cjwatson@ubuntu.com>
# 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; version 3 of the License.
#
# 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, see <http://www.gnu.org/licenses/>.
"""Preinst for Click packages.
In general there is a rule that Click packages may not have maintainer
scripts. However, there is one exception: a static preinst used to cause
dpkg to fail if people attempt to install Click packages directly using dpkg
rather than via "click install". This avoids accidents, since Click
packages use a different root of their filesystem tarball.
"""
from __future__ import print_function
__metaclass__ = type
__all__ = [
'static_preinst',
'static_preinst_matches',
]
_older_static_preinst = """\
#! /bin/sh
echo "Click packages may not be installed directly using dpkg."
echo "Use click-install instead."
exit 1
"""
_old_static_preinst = """\
#! /bin/sh
echo "Click packages may not be installed directly using dpkg."
echo "Use 'click-package install' instead."
exit 1
"""
static_preinst = """\
#! /bin/sh
echo "Click packages may not be installed directly using dpkg."
echo "Use 'click install' instead."
exit 1
"""
def static_preinst_matches(preinst):
for allow_preinst in (
_older_static_preinst,
_old_static_preinst,
static_preinst,
):
if preinst == allow_preinst.encode():
return True
return False
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