Initial commit

env/lib/python3.10/site-packages/wagtail/users/utils.py

@@ -0,0 +1,53 @@
+from django.conf import settings
+from django.utils.http import urlencode
+from django.utils.translation import gettext_lazy as _
+
+from wagtail.compat import AUTH_USER_APP_LABEL, AUTH_USER_MODEL_NAME
+from wagtail.coreutils import safe_md5
+
+delete_user_perm = "{}.delete_{}".format(
+    AUTH_USER_APP_LABEL, AUTH_USER_MODEL_NAME.lower()
+)
+
+
+def user_can_delete_user(current_user, user_to_delete):
+    if not current_user.has_perm(delete_user_perm):
+        return False
+
+    if current_user == user_to_delete:
+        # users may not delete themselves
+        return False
+
+    if user_to_delete.is_superuser and not current_user.is_superuser:
+        # ordinary users may not delete superusers
+        return False
+
+    return True
+
+
+def get_gravatar_url(email, size=50):
+    default = "mm"
+    size = (
+        int(size) * 2
+    )  # requested at retina size by default and scaled down at point of use with css
+    gravatar_provider_url = getattr(
+        settings, "WAGTAIL_GRAVATAR_PROVIDER_URL", "//www.gravatar.com/avatar"
+    )
+
+    if (not email) or (gravatar_provider_url is None):
+        return None
+
+    email_bytes = email.lower().encode("utf-8")
+    hash = safe_md5(email_bytes, usedforsecurity=False).hexdigest()
+    gravatar_url = "{gravatar_provider_url}/{hash}?{params}".format(
+        gravatar_provider_url=gravatar_provider_url.rstrip("/"),
+        hash=hash,
+        params=urlencode({"s": size, "d": default}),
+    )
+
+    return gravatar_url
+
+
+def get_deleted_user_display_name(user_id):
+    # Use a string placeholder as the user id could be non-numeric
+    return _("user %(id)s (deleted)") % {"id": user_id}