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# -*- coding: utf-8 -*-
# _blobs/__init__.py
# Copyright (C) 2017 LEAP
#
# 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 <http://www.gnu.org/licenses/>.
"""
Blobs Server implementation.
"""
from .fs_backend import FilesystemBlobsBackend
from .resource import BlobsResource
from .errors import BlobExists
from .errors import ImproperlyConfiguredException
from .errors import QuotaExceeded
__all__ = ['BlobsResource', 'BlobExists', 'QuotaExceeded']
if __name__ == '__main__':
# A dummy blob server
# curl -X PUT --data-binary @/tmp/book.pdf localhost:9000/user/someid
# curl -X GET -o /dev/null localhost:9000/user/somerandomstring
from twisted.python import log
import sys
log.startLogging(sys.stdout)
from twisted.web.server import Site
from twisted.internet import reactor
# parse command line arguments
import argparse
parser = argparse.ArgumentParser()
parser.add_argument('--port', default=9000, type=int)
parser.add_argument('--path', default='/tmp/blobs/user')
args = parser.parse_args()
root = BlobsResource("filesystem", args.path)
# I picture somethink like
# BlobsResource(backend="filesystem", backend_opts={'path': '/tmp/blobs'})
factory = Site(root)
reactor.listenTCP(args.port, factory)
reactor.run()
class BlobsServerState(object):
"""
Given a backend name, it gives a instance of IBlobsBackend
"""
# Allowed backend classes are defined here
handlers = {"filesystem": FilesystemBlobsBackend}
def __init__(self, backend, **backend_kwargs):
if backend not in self.handlers:
raise ImproperlyConfiguredException("No such backend: %s", backend)
self.backend = self.handlers[backend](**backend_kwargs)
def open_database(self, user_id):
"""
That method is just for compatibility with CouchServerState, so
IncomingAPI can change backends.
"""
# TODO: deprecate/refactor it as it's here for compatibility.
return self.backend
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