#!/usr/bin/env python
"""
Taken from flask-appconfig
"""
import json
import os
from xdg import BaseDirectory
[docs]def get_conf(prefix="LARIGIRA_"):
"""This is where everyone should get configuration from"""
conf_dir = BaseDirectory.save_config_path("larigira")
conf = {}
conf["CONTINOUS_AUDIOSPEC"] = dict(kind="mpd", howmany=1)
conf["MPD_HOST"] = os.getenv("MPD_HOST", "localhost")
conf["MPD_PORT"] = int(os.getenv("MPD_PORT", "6600"))
conf["CACHING_TIME"] = 10
conf["DB_URI"] = os.path.join(conf_dir, "db.json")
conf["SCRIPTS_PATH"] = os.path.join(conf_dir, "scripts")
conf["EXTRA_STATIC_PATH"] = os.path.join(conf_dir, "extra")
conf["EXTRA_MENU_LINKS"] = []
conf["ROUTE_PREFIX"] = ""
conf["BOOTSTRAP_SERVE_LOCAL"] = True
conf["SECRET_KEY"] = "Please replace me!"
conf["MPD_WAIT_START"] = True
conf["MPD_WAIT_START_RETRYSECS"] = 5
conf["CHECK_SECS"] = 20 # period for checking playlist length
conf["EVENT_TICK_SECS"] = 30 # period for scheduling events
conf["DEBUG"] = False
conf["LOG_CONFIG"] = False
conf["TMPDIR"] = os.getenv("TMPDIR", "/tmp/")
conf["FILE_PATH_SUGGESTION"] = () # tuple of paths
# UI_CALENDAR_FREQUENCY_THRESHOLD"] has been removed
# use UI_CALENDAR_OCCURRENCIES_THRESHOLD instead
conf["UI_CALENDAR_FREQUENCY_THRESHOLD"] = 4 * 60 * 60 # 4 hours
conf["UI_CALENDAR_OCCURRENCIES_THRESHOLD"] = 40
conf["UI_CALENDAR_DATE_FMT"] = "medium"
conf["EVENT_FILTERS"] = []
conf["HTTP_PORT"] = 5000
conf["HOME_URL"] = "/db/calendar"
conf.update(from_envvars(prefix=prefix))
return conf
[docs]def from_envvars(prefix=None, envvars=None, as_json=True):
"""Load environment variables in a dictionary
Values are parsed as JSON. If parsing fails with a ValueError,
values are instead used as verbatim strings.
:param prefix: If ``None`` is passed as envvars, all variables from
``environ`` starting with this prefix are imported. The
prefix is stripped upon import.
:param envvars: A dictionary of mappings of environment-variable-names
to Flask configuration names. If a list is passed
instead, names are mapped 1:1. If ``None``, see prefix
argument.
:param as_json: If False, values will not be parsed as JSON first.
"""
conf = {}
if prefix is None and envvars is None:
raise RuntimeError("Must either give prefix or envvars argument")
# if it's a list, convert to dict
if isinstance(envvars, list):
envvars = {k: None for k in envvars}
if not envvars:
envvars = {
k: k[len(prefix) :] for k in os.environ.keys() if k.startswith(prefix)
}
for env_name, name in envvars.items():
if name is None:
name = env_name
if env_name not in os.environ:
continue
if as_json:
try:
conf[name] = json.loads(os.environ[env_name])
except ValueError:
conf[name] = os.environ[env_name]
else:
conf[name] = os.environ[env_name]
return conf