initial-import: 2026-04-11 21:18:55

scripts/utils/generate_b64.py

@@ -0,0 +1,18 @@
+#!/usr/bin/env python3
+import base64
+import io
+import pandas as pd
+
+df = pd.read_parquet('/Users/chufeng/nas/stock-data/sanguo_quant_live/zhaoyun-data/data/raw/daily/sh510300_daily.parquet')
+buffer = io.BytesIO()
+df.to_parquet(buffer, compression='snappy')
+buffer.seek(0)
+data = buffer.getvalue()
+b64 = base64.b64encode(data).decode('utf-8')
+
+output_file = '/tmp/510300_daily.b64'
+with open(output_file, 'w') as f:
+    f.write(b64)
+
+print(f"Generated {output_file}")
+print(f"Size: {len(b64)} characters")