FreedomBox/plinth/web_server.py
Sunil Mohan Adapa 201b256fe5 main: Separate out CherryPy code into a separate module
This will help with modularizing the code as well as abstracting out CherryPy
for potential later replacement.

Signed-off-by: Sunil Mohan Adapa <sunil@medhas.org>
2019-01-09 14:52:02 +05:30

102 lines
3.2 KiB
Python

#
# This file is part of FreedomBox.
#
# 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/>.
#
"""
Setup CherryPy web server.
"""
import logging
import os
import cherrypy
from . import cfg, log, module_loader, setup, web_framework
logger = logging.getLogger(__name__)
def _mount_static_directory(static_dir, static_url):
config = {
'/': {
'tools.staticdir.root': static_dir,
'tools.staticdir.on': True,
'tools.staticdir.dir': '.'
}
}
app = cherrypy.tree.mount(None, static_url, config)
log.setup_cherrypy_static_directory(app)
logger.debug('Serving static directory %s on %s', static_dir, static_url)
def init():
"""Setup CherryPy server"""
logger.info('Setting up CherryPy server')
# Configure default server
cherrypy.config.update({
'server.max_request_body_size': 0,
'server.socket_host': cfg.host,
'server.socket_port': cfg.port,
'server.thread_pool': 10,
# Avoid stating files once per second in production
'engine.autoreload.on': cfg.develop,
})
application = web_framework.get_wsgi_application()
cherrypy.tree.graft(application, cfg.server_dir)
static_dir = os.path.join(cfg.file_root, 'static')
_mount_static_directory(static_dir, web_framework.get_static_url())
custom_static_dir = cfg.custom_static_dir
custom_static_url = '/plinth/custom/static'
if os.path.exists(custom_static_dir):
_mount_static_directory(custom_static_dir, custom_static_url)
else:
logger.debug(
'Not serving custom static directory %s on %s, '
'directory does not exist', custom_static_dir, custom_static_url)
_mount_static_directory('/usr/share/javascript', '/javascript')
manual_dir = os.path.join(cfg.doc_dir, 'images')
manual_url = '/'.join([cfg.server_dir, 'help/manual/images']) \
.replace('//', '/')
_mount_static_directory(manual_dir, manual_url)
for module_name, module in module_loader.loaded_modules.items():
module_path = os.path.dirname(module.__file__)
static_dir = os.path.join(module_path, 'static')
if not os.path.isdir(static_dir):
continue
urlprefix = "%s%s" % (web_framework.get_static_url(), module_name)
_mount_static_directory(static_dir, urlprefix)
cherrypy.engine.signal_handler.subscribe()
def on_server_stop():
"""Stop all other threads since web server is trying to exit."""
setup.stop()
def run():
"""Start the web server and block it until exit."""
cherrypy.engine.start()
cherrypy.engine.subscribe('stop', on_server_stop)
cherrypy.engine.block()