first commit

files/modules/users/db.py

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+from pathlib import Path
+import os
+import re
+import oracledb
+import json
+import base64
+import hashlib
+from datetime import datetime
+import requests
+import textwrap
+import unicodedata
+from typing import Optional
+from collections import deque
+from config_loader import load_config
+
+def chunk_hash(text: str) -> str:
+    return hashlib.sha256(text.encode("utf-8")).hexdigest()
+
+config = load_config()
+
+# =========================
+# Oracle Autonomous Configuration
+# =========================
+WALLET_PATH = config.wallet_path
+DB_ALIAS = config.db_alias
+USERNAME = config.username
+PASSWORD = config.password
+os.environ["TNS_ADMIN"] = WALLET_PATH
+
+_pool = None
+
+def get_pool():
+    global _pool
+
+    if _pool:
+        return _pool
+
+    _pool = oracledb.create_pool(
+        user=USERNAME,
+        password=PASSWORD,
+        dsn=DB_ALIAS,
+        config_dir=WALLET_PATH,
+        wallet_location=WALLET_PATH,
+        wallet_password=PASSWORD,
+        min=2,
+        max=8,
+        increment=1
+    )
+
+    return _pool