69 lines
2.1 KiB
Python
69 lines
2.1 KiB
Python
# -*- coding: utf-8 -*-
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from typing import Any
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import argparse
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import datetime
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import os
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import pypyodbc
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def convert(tbl: str, name: str, a: Any) -> str:
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if type(a) == str:
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return f'"{a}"'
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elif type(a) == bool:
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return "T" if a else "F"
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elif a is None:
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return ""
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elif type(a) == datetime.datetime:
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if a.year == 1899 and a.month == 12 and a.day == 30:
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return a.strftime('%H:%M:%S')
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elif a.hour == 0 and a.minute == 0 and a.second == 0:
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return a.strftime('%Y-%m-%d')
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else:
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return str(a)
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else:
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return str(a)
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if __name__ == '__main__':
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parser = argparse.ArgumentParser()
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parser.add_argument('-o', '--output', default='tables')
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parser.add_argument('wgdaten', metavar='WGDATEN')
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args = parser.parse_args()
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os.makedirs(args.output, exist_ok=True)
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print(f'Opening {args.wgdaten}...', flush=True)
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pypyodbc.lowercase = False
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cnx = pypyodbc.connect(f"Driver={{Microsoft Access Driver (*.mdb, *.accdb)}};Dbq={args.wgdaten};")
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cur = cnx.cursor()
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print(f'Opened {args.wgdaten}!', flush=True)
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try:
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print(f'Fetching tables...', flush=True)
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tbls = cur.tables(tableType='TABLE')
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tbls = tbls.fetchall()
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print(f'Successfully fetched {len(tbls)} tables!', flush=True)
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for file, _, t_name, t_type, _ in tbls:
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print(f'Exporting {t_name}...', flush=True)
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cur.execute(f"SELECT TOP 1 * FROM {t_name};")
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desc = [(t[0], t[1]) for t in cur.description]
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cur.fetchall()
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print(desc, flush=True)
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cur.execute(f"SELECT * FROM {t_name} ORDER BY `{desc[0][0]}`;")
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cols = [t[0] for t in cur.description]
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with open(f'{args.output}/{t_name}.csv', 'wb+') as f:
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f.write((';'.join(cols) + '\n').encode('utf-8'))
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for row in cur:
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f.write((';'.join([convert(t_name, n, a) for n, a in zip(cols, row)]) + '\n').encode('utf-8'))
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print(f'Exported {t_name} successfully!', flush=True)
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finally:
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cur.close()
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cnx.close()
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