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mmconf.py
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mmconf.py
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from pydantic import BaseModel, Extra
from pydantic import validator
from typing import List, Optional, Union, Any
from argparse import ArgumentParser, ArgumentDefaultsHelpFormatter
from os import environ
from setlogger import set_logger
import json
class PenMMConfigModel(BaseModel):
smtp_server: str
smtp_port: int
mail_username: str
mail_password: str
mail_from: str
mail_bcc: Optional[str]
mail_subject: str
mail_sysname: str
mail_body_text_path: str
mail_body_html_path: str
mail_reference: Optional[str]
public_fe_url: str
server_cert: Optional[str]
server_address: str
server_port: Optional[int]
max_queue_size: int = 10000 # XXX
log_file: str
log_stdout: bool = False
enable_debug: bool = False
tz: str = "Asia/Tokyo"
logger: Any
loop: Any
queue: Any
def __from_args(args):
ap = ArgumentParser(
description="PEN Mailman server.",
formatter_class=ArgumentDefaultsHelpFormatter)
ap.add_argument("config_file", metavar="CONFIG_FILE",
help="specify the config file.")
ap.add_argument("-d", action="store_true", dest="enable_debug",
help="enable debug mode.")
ap.add_argument("-D", action="store_true", dest="log_stdout",
help="enable to show messages onto stdout.")
opt = ap.parse_args(args)
environ["PEN_CONFIG_FILE"] = opt.config_file
environ["PEN_ENABLE_DEBUG"] = str(opt.enable_debug)
environ["PEN_LOG_STDOUT"] = str(opt.log_stdout)
def set_config(prog_name, loop, args=None):
def get_env_bool(optval, envkey):
c = environ.get(envkey)
if c is None:
return optval
elif c.upper() in [ "TRUE", "1" ]:
return True
elif c.upper() in [ "FALSE", "0" ]:
return False
else:
raise ValueError(f"ERROR: {key} must be bool, but {c}")
"""
priority order
1. cli arguments.
2. environment variable.
3. config file.
"""
if args is not None:
__from_args(args)
# load the config file.
config_file = environ["PEN_CONFIG_FILE"]
try:
config = PenMMConfigModel.parse_obj(json.load(open(config_file)))
except Exception as e:
print("ERROR: {} read error. {}".format(config_file, e))
exit(1)
# set logger
config.logger = set_logger(prog_name,
log_file=config.log_file,
logging_stdout=config.log_stdout,
debug_mode=config.enable_debug)
# overwrite the config by the cli options/env variable.
get_env_bool(config.enable_debug, "PEN_ENABLE_DEBUG")
get_env_bool(config.log_stdout, "PEN_LOG_STDOUT")
config.loop = loop
return config
if __name__ == "__main__":
import sys
conf = json.load(open(sys.argv[1]))
m = PenMMConfigModel.parse_obj(conf)
print(m)