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052984bc14
It’s unclear what was supposed to be “safe” about this wrapper. The hashlib API is fine without it, and we don’t want to encourage further use of SHA-1. Signed-off-by: Anders Kaseorg <anders@zulip.com>
36 lines
832 B
Python
36 lines
832 B
Python
import re
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import secrets
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from typing import Callable, List, Optional, TypeVar
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T = TypeVar("T")
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def generate_api_key() -> str:
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api_key = ""
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while len(api_key) < 32:
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# One iteration suffices 99.4992% of the time.
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api_key += secrets.token_urlsafe(3 * 9).replace("_", "").replace("-", "")
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return api_key[:32]
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def has_api_key_format(key: str) -> bool:
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return bool(re.fullmatch(r"([A-Za-z0-9]){32}", key))
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def assert_is_not_none(value: Optional[T]) -> T:
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assert value is not None
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return value
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def process_list_in_batches(
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lst: List[T], chunk_size: int, process_batch: Callable[[List[T]], None]
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) -> None:
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offset = 0
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while True:
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items = lst[offset : offset + chunk_size]
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if not items:
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break
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process_batch(items)
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offset += chunk_size
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