docs: known-issues 4건 추가 + devlog 2026-03-11 세션 기록

test_setup.py

@@ -1,44 +1,34 @@
-"""DART finstate test — stock code vs corp_code"""
-import OpenDartReader
-import time
+"""DB stats and sample data"""
+import sqlite3
 
-dart = OpenDartReader("ef6deb100be436aed88051fd4914dbdb58ff2e94")
+conn = sqlite3.connect("data/edf.db")
 
-# Test: finstate with stock code directly
-print("=== DART finstate with stock code directly ===")
-for code, name in [("005930", "삼성전자"), ("000660", "SK하이닉스"), ("036720", "한볼트")]:
-    try:
-        fs = dart.finstate(code, 2024)
-        time.sleep(0.5)
-        n = len(fs) if fs is not None else 0
-        print(f"  {code} {name}: {n} rows")
-    except Exception as e:
-        print(f"  {code} {name}: ERROR {e}")
+print("=== DB Stats ===")
+for t in ["companies", "market_data", "financial_data", "volatility", "merton_results"]:
+    c = conn.execute(f"SELECT COUNT(*) FROM {t}").fetchone()[0]
+    print(f"  {t}: {c:,}")
 
-# Test: finstate_all — bulk download per corp_code
-print("\n=== DART finstate_all (삼성전자 00126380) ===")
-try:
-    fs = dart.finstate_all("00126380", 2024)
-    time.sleep(0.5)
-    n = len(fs) if fs is not None else 0
-    print(f"  삼성전자 finstate_all: {n} rows")
-except Exception as e:
-    print(f"  ERROR: {e}")
+print("\n=== Volatility sample ===")
+rows = conn.execute("SELECT ticker, sigma_E FROM volatility ORDER BY ticker LIMIT 5").fetchall()
+for r in rows:
+    print(f"  {r[0]}: sigma_E={r[1]:.4f}")
 
-# Test: KOSPI major — find their corp_codes and try finstate
-print("\n=== DART finstate loop with known-good corp_codes ===")
-corp_codes = dart.corp_codes
-for ticker in ["005930", "000660", "005380", "036720", "040130"]:
-    match = corp_codes[corp_codes["stock_code"] == ticker]
-    if len(match) > 0:
-        cc = match.iloc[0]["corp_code"]
-        cn = match.iloc[0]["corp_name"]
-        try:
-            fs = dart.finstate(cc, 2024)
-            time.sleep(0.5)
-            n = len(fs) if fs is not None else 0
-            print(f"  {ticker} {cn} (corp={cc}): {n} rows")
-        except Exception as e:
-            print(f"  {ticker} {cn}: ERROR {e}")
-    else:
-        print(f"  {ticker}: Not found in corp_codes")
+print("\n=== Financial sample ===")
+rows = conn.execute("""
+    SELECT ticker, total_assets, default_point, leverage_ratio 
+    FROM financial_data WHERE total_assets IS NOT NULL 
+    ORDER BY total_assets DESC LIMIT 5
+""").fetchall()
+for r in rows:
+    dp = f"{r[2]:,.0f}" if r[2] else "N/A"
+    lev = f"{r[3]:.3f}" if r[3] else "N/A"
+    print(f"  {r[0]}: TA={r[1]:,.0f} DP={dp} LEV={lev}")
+
+# Overlap: tickers with BOTH volatility AND financial_data
+both = conn.execute("""
+    SELECT COUNT(DISTINCT v.ticker) 
+    FROM volatility v JOIN financial_data f ON v.ticker = f.ticker
+""").fetchone()[0]
+print(f"\n=== Merton 산출 가능 종목 (KRX+DART 모두 있는 종목): {both} ===")
+
+conn.close()