35 lines
1.1 KiB
Python
Executable file
35 lines
1.1 KiB
Python
Executable file
import re
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from django.conf import settings
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from django.core.validators import RegexValidator, ValidationError
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from django.utils.translation import gettext_lazy as _
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from emoji import is_emoji
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def validate_emoji(value):
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"""Validates that a given string is a single emoji."""
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if not is_emoji(value):
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raise ValidationError(_("Must be an emoji."))
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validate_username_regex = RegexValidator(
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re.compile(r"^[a-zA-Z0-9-_.]+\Z"),
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_("Username may only contain letters, numbers, hyphens, underscores and dots."),
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"invalid",
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)
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"""Validates that a given string is a valid username."""
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def validate_username_length(value):
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"""Validates the length of a given username string according to Django settings."""
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if (
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len(value) < settings.USERNAME_MIN_LENGTH
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or len(value) > settings.USERNAME_MAX_LENGTH
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):
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raise ValidationError(
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_("Username must be between %(min_length)d and %(max_length)d characters.")
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% {
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"min_length": settings.USERNAME_MIN_LENGTH,
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"max_length": settings.USERNAME_MAX_LENGTH,
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}
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)
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