Initial commit. Basic models mostly done.

venv/lib/python3.8/site-packages/django/contrib/auth/validators.py

@@ -0,0 +1,25 @@
+import re
+
+from django.core import validators
+from django.utils.deconstruct import deconstructible
+from django.utils.translation import gettext_lazy as _
+
+
+@deconstructible
+class ASCIIUsernameValidator(validators.RegexValidator):
+    regex = r'^[\w.@+-]+\Z'
+    message = _(
+        'Enter a valid username. This value may contain only English letters, '
+        'numbers, and @/./+/-/_ characters.'
+    )
+    flags = re.ASCII
+
+
+@deconstructible
+class UnicodeUsernameValidator(validators.RegexValidator):
+    regex = r'^[\w.@+-]+\Z'
+    message = _(
+        'Enter a valid username. This value may contain only letters, '
+        'numbers, and @/./+/-/_ characters.'
+    )
+    flags = 0