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use settings module (#136)

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* use settings module
This commit is contained in:
calle
2023-03-16 00:59:50 +01:00
committed by GitHub
parent 51156799b9
commit f3a31fd09e
18 changed files with 222 additions and 173 deletions
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166
cashu/core/settings.py
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@@ -1,72 +1,112 @@
import os
import sys
from pathlib import Path
from typing import Union
from typing import List, Union
from environs import Env # type: ignore
from pydantic import BaseSettings, Extra, Field, validator
env = Env()
# env file: default to current dir, else home dir
ENV_FILE = os.path.join(os.getcwd(), ".env")
if not os.path.isfile(ENV_FILE):
ENV_FILE = os.path.join(str(Path.home()), ".cashu", ".env")
if os.path.isfile(ENV_FILE):
env.read_env(ENV_FILE)
else:
ENV_FILE = ""
env.read_env(recurse=False)
DEBUG = env.bool("DEBUG", default=False)
if not DEBUG:
sys.tracebacklimit = 0
CASHU_DIR = env.str("CASHU_DIR", default=os.path.join(str(Path.home()), ".cashu"))
CASHU_DIR = CASHU_DIR.replace("~", str(Path.home()))
assert len(CASHU_DIR), "CASHU_DIR not defined"
TOR = env.bool("TOR", default=True)
SOCKS_HOST = env.str("SOCKS_HOST", default=None)
SOCKS_PORT = env.int("SOCKS_PORT", default=9050)
LIGHTNING = env.bool("LIGHTNING", default=True)
LIGHTNING_FEE_PERCENT = env.float("LIGHTNING_FEE_PERCENT", default=1.0)
assert LIGHTNING_FEE_PERCENT >= 0, "LIGHTNING_FEE_PERCENT must be at least 0"
LIGHTNING_RESERVE_FEE_MIN = env.float("LIGHTNING_RESERVE_FEE_MIN", default=2000)
MINT_PRIVATE_KEY = env.str("MINT_PRIVATE_KEY", default=None)
MINT_SERVER_HOST = env.str("MINT_SERVER_HOST", default="127.0.0.1")
MINT_SERVER_PORT = env.int("MINT_SERVER_PORT", default=3338)
MINT_URL = env.str("MINT_URL", default=None)
MINT_HOST = env.str("MINT_HOST", default="8333.space")
MINT_PORT = env.int("MINT_PORT", default=3338)
MINT_LIGHTNING_BACKEND = env.str("MINT_LIGHTNING_BACKEND", default="FakeWallet")
MINT_DATABASE = env.str("MINT_DATABASE", default="data/mint")
if not MINT_URL:
if MINT_HOST in ["localhost", "127.0.0.1"]:
MINT_URL = f"http://{MINT_HOST}:{MINT_PORT}"
else:
MINT_URL = f"https://{MINT_HOST}:{MINT_PORT}"
LNBITS_ENDPOINT = env.str("LNBITS_ENDPOINT", default=None)
LNBITS_KEY = env.str("LNBITS_KEY", default=None)
NOSTR_PRIVATE_KEY = env.str("NOSTR_PRIVATE_KEY", default=None)
NOSTR_RELAYS = env.list(
"NOSTR_RELAYS",
default=[
"wss://nostr-pub.wellorder.net",
"wss://relay.damus.io",
"wss://nostr.zebedee.cloud",
"wss://relay.snort.social",
"wss://nostr.fmt.wiz.biz",
],
)
MAX_ORDER = 64
VERSION = "0.9.4"
def find_env_file():
# env file: default to current dir, else home dir
ENV_FILE = os.path.join(os.getcwd(), ".env")
if not os.path.isfile(ENV_FILE):
ENV_FILE = os.path.join(str(Path.home()), ".cashu", ".env")
if os.path.isfile(ENV_FILE):
env.read_env(ENV_FILE)
else:
ENV_FILE = ""
return ENV_FILE
class CashuSettings(BaseSettings):
env_file: str = Field(default=None)
lightning: bool = Field(default=True)
lightning_fee_percent: float = Field(default=1.0)
lightning_reserve_fee_min: int = Field(default=2000)
max_order: int = Field(default=64)
class Config:
env_file = find_env_file()
env_file_encoding = "utf-8"
case_sensitive = False
extra = Extra.ignore
# def __init__(self, env_file=None):
# self.env_file = env_file or self.env_file
class EnvSettings(CashuSettings):
debug: bool = Field(default=False)
host: str = Field(default="127.0.0.1")
port: int = Field(default=5000)
cashu_dir: str = Field(default=os.path.join(str(Path.home()), ".cashu"))
class MintSettings(CashuSettings):
mint_private_key: str = Field(default=None)
mint_listen_host: str = Field(default="127.0.0.1")
mint_listen_port: int = Field(default=3338)
mint_lightning_backend: str = Field(default="LNbitsWallet")
mint_database: str = Field(default="data/mint")
mint_lnbits_endpoint: str = Field(default=None)
mint_lnbits_key: str = Field(default=None)
class WalletSettings(CashuSettings):
lightning: bool = Field(default=True)
tor: bool = Field(default=True)
socks_host: str = Field(default=None)
socks_port: int = Field(default=9050)
mint_url: str = Field(default=None)
mint_host: str = Field(default="8333.space")
mint_port: int = Field(default=3338)
nostr_private_key: str = Field(default=None)
nostr_relays: List[str] = Field(
default=[
"wss://nostr-pub.wellorder.net",
"wss://relay.damus.io",
"wss://nostr.zebedee.cloud",
"wss://relay.snort.social",
"wss://nostr.fmt.wiz.biz",
]
)
class Settings(EnvSettings, MintSettings, WalletSettings, CashuSettings):
version: str = Field(default=VERSION)
# def __init__(self, env_file=None):
# super().Config(env_file=env_file)
settings = Settings()
def startup_settings_tasks():
# set env_file (this does not affect the settings module, it's just for reading)
settings.env_file = find_env_file()
if not settings.debug:
# set traceback limit
sys.tracebacklimit = 0
# replace ~ with home directory in cashu_dir
settings.cashu_dir = settings.cashu_dir.replace("~", str(Path.home()))
# set mint_url if only mint_host is set
if not settings.mint_url:
if settings.mint_host in ["localhost", "127.0.0.1"] and settings.mint_port:
# localhost without https
settings.mint_url = f"http://{settings.mint_host}:{settings.mint_port}"
else:
settings.mint_url = f"https://{settings.mint_host}:{settings.mint_port}"
startup_settings_tasks()