Marc Di Luzio
d3a22ff090
* Use /join and /leave instead of roles * Use scopes to check for user rights rather than using the config file * Add /list to show the set of current people signed up * Add a bunch more testing for various things * Version both the config and the state
77 lines
1.6 KiB
Python
77 lines
1.6 KiB
Python
"""Very simple config loading library"""
|
|
from schema import Schema, And, Use
|
|
import files
|
|
import os
|
|
import logging
|
|
|
|
logger = logging.getLogger("config")
|
|
logger.setLevel(logging.INFO)
|
|
|
|
_FILE = "config.json"
|
|
|
|
# Warning: Changing any of the below needs proper thought to ensure backwards compatibility
|
|
_VERSION = 1
|
|
|
|
|
|
class _Keys():
|
|
TOKEN = "token"
|
|
VERSION = "version"
|
|
|
|
# Removed
|
|
OWNERS = "owners"
|
|
|
|
|
|
_SCHEMA = Schema(
|
|
{
|
|
# The current version
|
|
_Keys.VERSION: And(Use(int)),
|
|
|
|
# Discord bot token
|
|
_Keys.TOKEN: And(Use(str)),
|
|
}
|
|
)
|
|
|
|
|
|
def _migrate_to_v1(d: dict):
|
|
# Owners moved to History in v1
|
|
# Note: owners will be required to be re-added to the state.json
|
|
owners = d.pop(_Keys.OWNERS)
|
|
logger.warn(
|
|
"Migration removed owners from config, these must be re-added to the state.json")
|
|
logger.warn("Owners: %s", owners)
|
|
|
|
|
|
# Set of migration functions to apply
|
|
_MIGRATIONS = [
|
|
_migrate_to_v1
|
|
]
|
|
|
|
|
|
class Config():
|
|
def __init__(self, data: dict):
|
|
"""Initialise and validate the config"""
|
|
_SCHEMA.validate(data)
|
|
self._dict = data
|
|
|
|
@property
|
|
def token(self) -> str:
|
|
return self._dict["token"]
|
|
|
|
|
|
def _migrate(dict: dict):
|
|
"""Migrate a dict through versions"""
|
|
version = dict.get("version", 0)
|
|
for i in range(version, _VERSION):
|
|
_MIGRATIONS[i](dict)
|
|
dict["version"] = _VERSION
|
|
|
|
|
|
def load_from_file(file: str = _FILE) -> Config:
|
|
"""
|
|
Load the state from a file
|
|
Apply any required migrations
|
|
"""
|
|
assert os.path.isfile(file)
|
|
loaded = files.load(file)
|
|
_migrate(loaded)
|
|
return Config(loaded)
|