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