Onionr/src/onionrcommands/softreset.py

"""Onionr - Private P2P Communication.

Command to soft-reset Onionr (deletes blocks)
"""
import os
import shutil

from onionrutils import localcommand
from coredb import dbfiles
import filepaths
from onionrplugins import onionrevents
import logger
"""
    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, either version 3 of the License, or
    (at your option) any later version.

    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 <https://www.gnu.org/licenses/>.
"""


def _ignore_not_found_delete(path):
    try:
        os.remove(path)
    except FileNotFoundError:
        pass


def soft_reset():
    """Command to soft reset Onionr home data.

    Onionr must not be running
    """
    if localcommand.local_command('/ping') == 'pong!':
        logger.warn('Cannot soft reset while Onionr is running',
                    terminal=True)
        return
    path = filepaths.block_data_location
    shutil.rmtree(path)
    _ignore_not_found_delete(dbfiles.block_meta_db)
    _ignore_not_found_delete(filepaths.upload_list)
    _ignore_not_found_delete(filepaths.usage_file)
    onionrevents.event('softreset')
    logger.info("Soft reset Onionr", terminal=True)


soft_reset.onionr_help = "Deletes Onionr blocks and their "  # type: ignore
soft_reset.onionr_help += "associated metadata, except for "  # type: ignore
soft_reset.onionr_help += "any exported block files. Does NOT "  # type: ignore
soft_reset.onionr_help += "delete data on "  # type: ignore
soft_reset.onionr_help += "other nodes in the network."  # type: ignore