contentdb/app/rediscache.py

# ContentDB
# Copyright (C) rubenwardy
#
# 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 <https://www.gnu.org/licenses/>.

from . import redis_client

# This file acts as a facade between the rest of the code and redis,
# and also means that the rest of the code avoids knowing about `app`


EXPIRY_TIME_S = 2*7*24*60*60  # 2 weeks


def make_download_key(ip, package):
	return "{}/{}/{}".format(ip, package.author.username, package.name)


def set_temp_key(key, v):
	redis_client.set(key, v, ex=EXPIRY_TIME_S)


def has_key(key):
	return redis_client.exists(key)


def increment_key(key):
	redis_client.incrby(key, 1)


def get_key(key, default=None):
	return redis_client.get(key) or default