<commit_before>"""
The base model for users.
"""
from axiom import attributes, item, scheduler
from datetime import timedelta
from epsilon import extime
from exponent import substore, _util
from os import urandom
from twisted.cred import checkers, credentials, error
from twisted.protocols import amp
from zope import interface


class User(item.Item, substore.ChildMixin):
    """
    A user.
    """
    identifier = attributes.bytes(allowNone=False)



class CreateUser(amp.Command):
    """
    Creates a new user.
    """
    arguments = []
    response = [("userIdentifier", amp.String())]



class LogIn(amp.Command):
    """
    Logs in, using a number of previously acquired tokens.
    """
    arguments = [("tokens", amp.ListOf(amp.String()))]
    response = []



def _createIdentifier(bits=320, _urandom=urandom):
    """
    Creates a random identifier with ``bits`` worth of entropy, and encodes it
    as a hexadecimal number.

    :param bits: The number of bits of entropy.
    :type bits: ``int``
    :param _urandom: Random bytes generator.
    :type _urandom: unary callable, num_bytes -> bytes
    :return: A hexadecimal identifier with ``bits`` worth of entropy.
    :rtype: bytes
    """
    return urandom(bits // 8).encode("hex")



class IToken(interface.Interface):
    """
    A temporary authentication token.
    """
    identifier = interface.Attribute(
        """
        The token identifier.
        """)



class _InvalidationMixin(object):
    validity = timedelta(seconds=60)

    def stored(self):
        """<commit_msg>More docstrings!<commit_after>"""
The base model for users.
"""
from axiom import attributes, item, scheduler
from datetime import timedelta
from epsilon import extime
from exponent import substore, _util
from os import urandom
from twisted.cred import checkers, credentials, error
from twisted.protocols import amp
from zope import interface


class User(item.Item, substore.ChildMixin):
    """
    A user.
    """
    identifier = attributes.bytes(allowNone=False)



class CreateUser(amp.Command):
    """
    Creates a new user.
    """
    arguments = []
    response = [("userIdentifier", amp.String())]



class LogIn(amp.Command):
    """
    Logs in, using a number of previously acquired tokens.
    """
    arguments = [("tokens", amp.ListOf(amp.String()))]
    response = []



def _createIdentifier(bits=320, _urandom=urandom):
    """
    Creates a random identifier with ``bits`` worth of entropy, and encodes it
    as a hexadecimal number.

    :param bits: The number of bits of entropy.
    :type bits: ``int``
    :param _urandom: Random bytes generator.
    :type _urandom: unary callable, num_bytes -> bytes
    :return: A hexadecimal identifier with ``bits`` worth of entropy.
    :rtype: bytes
    """
    return urandom(bits // 8).encode("hex")



class IToken(interface.Interface):
    """
    A temporary authentication token.
    """
    identifier = interface.Attribute(
        """
        The token identifier.
        """)



class _InvalidationMixin(object):
    """
    A mixin for tokens that invalidates them after some amount of time.
    """
    validity = timedelta(seconds=60)
    """
    The amount of time to wait before automatically removing the token.
    """


    def stored(self):
        """
{'fraction_non_alphanumeric': 0.11175045427013931, 'fraction_numerical': 0.0036341611144760752, 'mean_word_length': 3.12875, 'pattern_counts': {'":': 0, '<': 3, '<?xml version=': 0, '>': 5, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '1515068', 'n_tokens_mistral': 972, 'n_tokens_neox': 926, 'n_words': 318}