subiquity/subiquitycore/snap.py

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# Copyright 2024 Canonical, Ltd.
#
# 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.
#
# 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/>.
import os
# Returns true if the current execution environment is inside a snap.
def is_snap():
return os.getenv("SNAP_CONFINEMENT") is not None
# Returns true if the current execution environment is inside a strictly
# confined snap.
def is_snap_strictly_confined():
return os.getenv("SNAP_CONFINEMENT", "classic") == "strict"
# Returns the snap name if the current execution context is inside a snap,
# otherwise None.
def snap_name():
return os.getenv("SNAP_INSTANCE_NAME")