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44 lines
1.2 KiB
Text
44 lines
1.2 KiB
Text
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#!/usr/bin/env python3
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import argparse
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from pathlib import Path
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from typing import Union
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import plyvel
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import json
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from sys import stdout
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import base64
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parser = argparse.ArgumentParser()
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parser.add_argument(
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"--encode",
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"-e",
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choices=["utf8", "base16", "base32", "base64", "base85"],
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default="utf8",
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)
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parser.add_argument("db_path", type=Path)
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cli_args = parser.parse_args()
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def bytes_to_json(b: bytes) -> Union[str, list[int]]:
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if cli_args.encode == "utf8":
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try:
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return b.decode("utf8")
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except UnicodeDecodeError:
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return list(b)
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elif cli_args.encode == "base16":
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return base64.b16encode(b).decode("ascii")
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elif cli_args.encode == "base32":
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return base64.b32encode(b).decode("ascii")
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elif cli_args.encode == "base64":
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return base64.b64encode(b).decode("ascii")
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elif cli_args.encode == "base85":
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return base64.b85encode(b).decode("ascii")
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else:
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assert False
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db = plyvel.DB(str(cli_args.db_path), create_if_missing=False)
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with db.iterator() as iterator:
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for key, value in iterator:
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json.dump({"key": bytes_to_json(key), "value": bytes_to_json(value)}, stdout)
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stdout.write("\n")
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