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Fixed #28415 -- Clarified what characters ASCII/UnicodeUsernameValidator accept.
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@ -34,12 +34,12 @@ Fields
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.. admonition:: Usernames and Unicode
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Django originally accepted only ASCII letters in usernames.
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Although it wasn't a deliberate choice, Unicode characters have
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always been accepted when using Python 3. Django 1.10 officially
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added Unicode support in usernames, keeping the ASCII-only behavior
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on Python 2, with the option to customize the behavior using
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:attr:`.User.username_validator`.
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Django originally accepted only ASCII letters and numbers in
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usernames. Although it wasn't a deliberate choice, Unicode
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characters have always been accepted when using Python 3. Django
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1.10 officially added Unicode support in usernames, keeping the
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ASCII-only behavior on Python 2, with the option to customize the
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behavior using :attr:`.User.username_validator`.
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.. attribute:: first_name
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@ -395,12 +395,12 @@ Validators
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.. class:: validators.ASCIIUsernameValidator
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A field validator allowing only ASCII letters, in addition to ``@``, ``.``,
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``+``, ``-``, and ``_``.
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A field validator allowing only ASCII letters and numbers, in addition to
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``@``, ``.``, ``+``, ``-``, and ``_``.
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.. class:: validators.UnicodeUsernameValidator
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A field validator allowing Unicode letters, in addition to ``@``, ``.``,
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A field validator allowing Unicode characters, in addition to ``@``, ``.``,
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``+``, ``-``, and ``_``. The default validator for ``User.username``.
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.. _topics-auth-signals:
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@ -55,11 +55,11 @@ Official support for Unicode usernames
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--------------------------------------
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The :class:`~django.contrib.auth.models.User` model in ``django.contrib.auth``
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originally only accepted ASCII letters in usernames. Although it wasn't a
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deliberate choice, Unicode characters have always been accepted when using
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Python 3.
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originally only accepted ASCII letters and numbers in usernames. Although it
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wasn't a deliberate choice, Unicode characters have always been accepted when
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using Python 3.
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The username validator now explicitly accepts Unicode letters by
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The username validator now explicitly accepts Unicode characters by
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default on Python 3 only. This default behavior can be overridden by changing
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the :attr:`~django.contrib.auth.models.User.username_validator` attribute of
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the ``User`` model, or to any proxy of that model, using either
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