Initial commit: A-share stock analysis project with screening, backtesting, and multi-factor analysis tools

scripts/stock_screener.py

@@ -0,0 +1,68 @@
+"""
+Multi-factor A-share stock screening engine.
+
+Usage: python3 stock_screener.py <function> <json_args>
+"""
+
+import sys
+import json
+
+
+def multi_factor(strategy="comprehensive", sector=None, market_cap="all", top_n=10):
+    """Multi-factor scoring screen. Stub - to be implemented."""
+    return json.dumps({
+        "status": "stub",
+        "message": f"Multi-factor screen (strategy={strategy}, sector={sector}) — not yet implemented",
+        "strategy": strategy,
+        "results": [],
+    }, ensure_ascii=False)
+
+
+def strong(sector=None, top_n=20):
+    """Strong trend screen. Stub - to be implemented."""
+    return json.dumps({
+        "status": "stub",
+        "message": "Strong trend screen — not yet implemented",
+        "results": [],
+    }, ensure_ascii=False)
+
+
+def breakout(lookback_days=60, top_n=20):
+    """Volume breakout screen. Stub - to be implemented."""
+    return json.dumps({
+        "status": "stub",
+        "message": f"Breakout screen ({lookback_days}d) — not yet implemented",
+        "results": [],
+    }, ensure_ascii=False)
+
+
+def oversold(top_n=20):
+    """Oversold rebound screen. Stub - to be implemented."""
+    return json.dumps({
+        "status": "stub",
+        "message": "Oversold screen — not yet implemented",
+        "results": [],
+    }, ensure_ascii=False)
+
+
+FUNCTIONS = {
+    "multi_factor": multi_factor,
+    "strong": strong,
+    "breakout": breakout,
+    "oversold": oversold,
+}
+
+if __name__ == "__main__":
+    if len(sys.argv) < 2:
+        print("Usage: stock_screener.py <function> [json_args]")
+        sys.exit(1)
+
+    func_name = sys.argv[1]
+    args = json.loads(sys.argv[2]) if len(sys.argv) > 2 else {}
+
+    if func_name not in FUNCTIONS:
+        print(f"Unknown function: {func_name}")
+        sys.exit(1)
+
+    result = FUNCTIONS[func_name](**args)
+    print(result)