From 219dfe7cda795dbcbc1452442116f8e2d525b7a2 Mon Sep 17 00:00:00 2001
From: Ben Dichter <ben.dichter@gmail.com>
Date: Wed, 21 Feb 2024 14:59:26 +0000
Subject: [PATCH 1/2] fix circular reference for html repr

---
 src/hdmf/container.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/hdmf/container.py b/src/hdmf/container.py
index 521568d95..13b691b9d 100644
--- a/src/hdmf/container.py
+++ b/src/hdmf/container.py
@@ -625,6 +625,8 @@ def _generate_html_repr(self, fields, level=0, access_code="", is_field=False):
 
         if isinstance(fields, dict):
             for key, value in fields.items():
+                if value is self:
+                    return f'<div style="margin-left: {level * 20}px;" class="container-fields"> Circular reference detected for {value.name} </div>'
                 current_access_code = f"{access_code}.{key}" if is_field else f"{access_code}['{key}']"
                 if hasattr(value, '_generate_field_html'):
                     html_repr += value._generate_field_html(key, value, level, current_access_code)

From ecd56e13a03a7b24024fc6ae6dd6fcbd56a28e74 Mon Sep 17 00:00:00 2001
From: Ben Dichter <ben.dichter@gmail.com>
Date: Wed, 21 Feb 2024 16:20:44 +0000
Subject: [PATCH 2/2] fix ruff

---
 src/hdmf/container.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/hdmf/container.py b/src/hdmf/container.py
index 13b691b9d..9430d825f 100644
--- a/src/hdmf/container.py
+++ b/src/hdmf/container.py
@@ -626,7 +626,8 @@ def _generate_html_repr(self, fields, level=0, access_code="", is_field=False):
         if isinstance(fields, dict):
             for key, value in fields.items():
                 if value is self:
-                    return f'<div style="margin-left: {level * 20}px;" class="container-fields"> Circular reference detected for {value.name} </div>'
+                    return f'<div style="margin-left: {level * 20}px;" class="container-fields"> Circular reference ' \
+                           f'detected for {value.name} </div>'
                 current_access_code = f"{access_code}.{key}" if is_field else f"{access_code}['{key}']"
                 if hasattr(value, '_generate_field_html'):
                     html_repr += value._generate_field_html(key, value, level, current_access_code)