Files
DinQuant/backend_api_python/run.py
T

107 lines
3.7 KiB
Python

"""
QuantDinger Python API entrypoint.
"""
import os
import sys
# Ensure UTF-8 console output on Windows to avoid UnicodeEncodeError in logs.
# (PowerShell default encoding may be GBK/CP936.)
try:
if hasattr(sys.stdout, "reconfigure"):
sys.stdout.reconfigure(encoding="utf-8", errors="replace")
if hasattr(sys.stderr, "reconfigure"):
sys.stderr.reconfigure(encoding="utf-8", errors="replace")
except Exception:
pass
# Load local .env early so config classes can read from os.environ.
# This keeps local deployment simple: edit one file and run.
try:
from dotenv import load_dotenv
this_dir = os.path.dirname(os.path.abspath(__file__))
# Primary: backend_api_python/.env (same dir as run.py)
load_dotenv(os.path.join(this_dir, ".env"), override=False)
# Fallback: repo-root/.env (one level up) for users who place .env at workspace root.
parent_dir = os.path.dirname(this_dir)
load_dotenv(os.path.join(parent_dir, ".env"), override=False)
except Exception:
# python-dotenv is optional; environment variables can still be provided by the OS.
pass
# Optional: disable tqdm progress bars (some data providers like akshare may emit them),
# keeping console logs clean in local mode.
os.environ.setdefault("TQDM_DISABLE", "1")
# Optional: normalize outbound proxy settings for the whole process.
# This makes requests/yfinance/finnhub/tiingo/GoogleSearch etc work behind a local proxy.
def _apply_proxy_env():
def _set_if_blank(key: str, value: str) -> None:
"""
Set env var if it is missing OR present but empty.
(`os.environ.setdefault` does not override empty strings.)
"""
cur = os.getenv(key)
if cur is None or str(cur).strip() == "":
os.environ[key] = value
# If user provided explicit proxy URL, honor it.
proxy_url = (os.getenv('PROXY_URL') or '').strip()
if not proxy_url:
return
# Standard env vars used by requests and many libraries.
_set_if_blank('ALL_PROXY', proxy_url)
_set_if_blank('HTTP_PROXY', proxy_url)
_set_if_blank('HTTPS_PROXY', proxy_url)
_apply_proxy_env()
# Add project root to Python path
sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
from app import create_app
from app.config.settings import Config
# Create app instance (for gunicorn use)
# gunicorn -c gunicorn_config.py "run:app"
app = create_app()
def main():
"""Start application"""
# Keep startup messages ASCII-only and short.
print("QuantDinger Python API v2.2.2")
# ========== Critical Security Check for SECRET_KEY ==========
# In production (DEBUG=False), the SECRET_KEY MUST NOT use the default example value.
# This prevents attackers from forging JWT tokens with admin privileges.
default_secret = "quantdinger-secret-key-change-me"
current_secret = Config.SECRET_KEY
if not Config.DEBUG and current_secret == default_secret:
msg = (
"\n[SECURITY ERROR] SECRET_KEY is using the default example value.\n"
"You MUST change SECRET_KEY in backend_api_python/.env before running in production.\n"
"Example:\n"
" SECRET_KEY=$(python - << 'EOF'\n"
"import secrets; print(secrets.token_hex(32))\n"
"EOF\n"
)
# Print to both stdout and raise to stop the server
print(msg)
raise RuntimeError("Insecure SECRET_KEY configuration: using default example value in non-debug mode")
print(f"Service starting at: http://{Config.HOST}:{Config.PORT}")
# Flask dev server is for local development only.
app.run(
host=Config.HOST,
port=Config.PORT,
debug=Config.DEBUG,
threaded=True
)
if __name__ == '__main__':
main()