92 lines
2.9 KiB
Python
92 lines
2.9 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2014-2016 OpenMarket Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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from textwrap import indent
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import yaml
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from ._base import Config
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class DatabaseConfig(Config):
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def read_config(self, config, **kwargs):
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self.event_cache_size = self.parse_size(config.get("event_cache_size", "10K"))
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self.database_config = config.get("database")
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if self.database_config is None:
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self.database_config = {"name": "sqlite3", "args": {}}
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name = self.database_config.get("name", None)
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if name == "psycopg2":
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pass
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elif name == "sqlite3":
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self.database_config.setdefault("args", {}).update(
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{"cp_min": 1, "cp_max": 1, "check_same_thread": False}
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)
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else:
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raise RuntimeError("Unsupported database type '%s'" % (name,))
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self.set_databasepath(config.get("database_path"))
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def generate_config_section(self, data_dir_path, database_conf, **kwargs):
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if not database_conf:
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database_path = os.path.join(data_dir_path, "homeserver.db")
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database_conf = (
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"""# The database engine name
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name: "sqlite3"
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# Arguments to pass to the engine
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args:
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# Path to the database
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database: "%(database_path)s"
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"""
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% locals()
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)
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else:
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database_conf = indent(yaml.dump(database_conf), " " * 10).lstrip()
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return (
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"""\
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## Database ##
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database:
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%(database_conf)s
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# Number of events to cache in memory.
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#
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#event_cache_size: 10K
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"""
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% locals()
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)
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def read_arguments(self, args):
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self.set_databasepath(args.database_path)
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def set_databasepath(self, database_path):
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if database_path != ":memory:":
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database_path = self.abspath(database_path)
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if self.database_config.get("name", None) == "sqlite3":
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if database_path is not None:
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self.database_config["args"]["database"] = database_path
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@staticmethod
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def add_arguments(parser):
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db_group = parser.add_argument_group("database")
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db_group.add_argument(
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"-d",
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"--database-path",
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metavar="SQLITE_DATABASE_PATH",
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help="The path to a sqlite database to use.",
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)
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