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File name : user.py

Content :""" Various user validation utilities """ import logging import re log = logging.getLogger(__name__) VALID_USERNAME = re.compile(r"[a-z_][a-z0-9_-]*[$]?", re.IGNORECASE) def valid_username(user): """ Validates a username based on the guidelines in `useradd(8)` """ if not isinstance(user, str): return False if len(user) > 32: return False return VALID_USERNAME.match(user) is not None

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