wallabag-kindle-consumer/wallabag_kindle_consumer/config.py

85 lines
2.9 KiB
Python

import os
import configparser
from logbook import Logger
logger = Logger(__name__)
class Config:
known_values = ["wallabag_host", "db_uri", "client_id", "client_secret", "domain", "smtp_from", "smtp_host",
"smtp_port", "smtp_user", "smtp_passwd", "tag", "refresh_grace", "consume_interval",
"interface_host", "interface_port"]
required_values = ["wallabag_host", "db_uri", "client_id", "client_secret", "domain", "smtp_from", "smtp_host",
"smtp_port", "smtp_user", "smtp_passwd"]
def __init__(self, wallabag_host, db_uri, client_id, client_secret, domain, smtp_from, smtp_host, smtp_port,
smtp_user, smtp_passwd, tag='kindle', refresh_grace=120, consume_interval=30,
interface_host="127.0.0.1", interface_port=8080):
self.wallabag_host = wallabag_host
self.db_uri = db_uri
self.client_id = client_id
self.client_secret = client_secret
self.domain = domain
self.smtp_from = smtp_from
self.smtp_host = smtp_host
self.smtp_port = smtp_port
self.smtp_user = smtp_user
self.smtp_passwd = smtp_passwd
self.tag = tag
self.refresh_grace = refresh_grace
self.consume_interval = consume_interval
self.interface_host = interface_host
self.interface_port = interface_port
@staticmethod
def from_file(filename):
logger.info("read config from file {file}", file=filename)
if not os.path.exists(filename):
logger.warn("Config file {filename} does not exist", filename=filename)
return None
parser = configparser.ConfigParser()
parser.read(filename)
if 'DEFAULT' not in parser:
logger.warn("Config file {filename} does not contain a section DEFAULT", filename=filename)
return None
dflt = parser['DEFAULT']
tmp = {}
missing = []
for key in Config.known_values:
if key in dflt:
tmp[key] = dflt[key]
else:
if key in Config.required_values:
missing.append(key)
if 0 != len(missing):
logger.warn("Config file {filename} does not contain configs for: {lst}", filename=filename,
lst=", ".join(missing))
return None
return Config(**tmp)
@staticmethod
def from_env():
logger.info("Read config from environment")
tmp = {}
missing = []
for key in Config.known_values:
if key.upper() in os.environ:
tmp[key] = os.environ[key.upper()]
else:
if key in Config.required_values:
missing.append(key.upper())
if 0 != len(missing):
logger.warn("Environment config does not contain configs for: {lst}", lst=", ".join(missing))
return None
return Config(**tmp)