from django.conf import settings
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from django.core.exceptions import ValidationError
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from django.utils.translation import gettext as _
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class PasswordLengthValidator:
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def __init__(self, min_length=settings.AUTH_PASSWORD_MIN_LENGTH, max_length=settings.AUTH_PASSWORD_MAX_LENGTH):
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self.min_length = min_length
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self.max_length = max_length
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def validate(self, password, user=None):
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if len(password) < self.min_length:
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raise ValidationError(
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_('请输入长度在 %(min_length)d–%(max_length)d 个字符之间的密码。'),
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code='password_too_short',
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params={'min_length': self.min_length, 'max_length': self.max_length},
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)
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if len(password) > self.max_length:
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raise ValidationError(
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_('请输入长度在 %(min_length)d–%(max_length)d 个字符之间的密码。'),
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code='password_too_long',
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params={'min_length': self.min_length, 'max_length': self.max_length},
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)
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def get_help_text(self):
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return _('您的密码必须在 %(min_length)d 到 %(max_length)d 个字符之间。') % {
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'min_length': self.min_length,
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'max_length': self.max_length,
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}
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