2015-12-23 06:16:22 -05:00

112 lines
3.8 KiB
Python

#
# This file is part of Plinth.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
"""
Plinth module for configuring Transmission Server
"""
from django.contrib import messages
from django.template.response import TemplateResponse
from django.utils.translation import ugettext as _
import json
import logging
import socket
from .forms import TransmissionForm
from plinth import actions
from plinth import package
from plinth.modules import transmission
logger = logging.getLogger(__name__)
TRANSMISSION_CONFIG = '/etc/transmission-daemon/settings.json'
def on_install():
"""Enable transmission as soon as it is installed."""
new_configuration = {'rpc-whitelist-enabled': False}
actions.superuser_run('transmission', ['merge-configuration'],
input=json.dumps(new_configuration).encode())
actions.superuser_run('transmission', ['enable'])
transmission.service.notify_enabled(None, True)
@package.required(['transmission-daemon'], on_install=on_install)
def index(request):
"""Serve configuration page."""
status = get_status()
form = None
if request.method == 'POST':
form = TransmissionForm(request.POST, prefix='transmission')
# pylint: disable=E1101
if form.is_valid():
_apply_changes(request, status, form.cleaned_data)
status = get_status()
form = TransmissionForm(initial=status, prefix='transmission')
else:
form = TransmissionForm(initial=status, prefix='transmission')
return TemplateResponse(request, 'transmission.html',
{'title': _('BitTorrent (Transmission)'),
'status': status,
'form': form})
def get_status():
"""Get the current settings from Transmission server."""
configuration = open(TRANSMISSION_CONFIG, 'r').read()
status = json.loads(configuration)
status = {key.translate(str.maketrans({'-': '_'})): value
for key, value in status.items()}
status['enabled'] = transmission.is_enabled()
status['is_running'] = transmission.is_running()
status['hostname'] = socket.gethostname()
return status
def _apply_changes(request, old_status, new_status):
"""Apply the changes"""
modified = False
if old_status['enabled'] != new_status['enabled']:
sub_command = 'enable' if new_status['enabled'] else 'disable'
actions.superuser_run('transmission', [sub_command])
transmission.service.notify_enabled(None, new_status['enabled'])
modified = True
if old_status['download_dir'] != new_status['download_dir'] or \
old_status['rpc_username'] != new_status['rpc_username'] or \
old_status['rpc_password'] != new_status['rpc_password']:
new_configuration = {
'download-dir': new_status['download_dir'],
'rpc-username': new_status['rpc_username'],
'rpc-password': new_status['rpc_password'],
}
actions.superuser_run('transmission', ['merge-configuration'],
input=json.dumps(new_configuration).encode())
modified = True
if modified:
messages.success(request, _('Configuration updated'))
else:
messages.info(request, _('Setting unchanged'))