From cf0d987b787efe50656e37207dbcb2cecde3ba1c Mon Sep 17 00:00:00 2001
From: jaknapper <jaknapper@hotmail.com>
Date: Wed, 2 Jul 2025 15:41:19 +0100
Subject: [PATCH 1/5] Nicer formatting of fallback, returns 206 (partial)
 instead of 500

---
 src/labthings_fastapi/server/fallback.py | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/labthings_fastapi/server/fallback.py b/src/labthings_fastapi/server/fallback.py
index 41de9cb0..02523e9c 100644
--- a/src/labthings_fastapi/server/fallback.py
+++ b/src/labthings_fastapi/server/fallback.py
@@ -38,13 +38,18 @@ def __init__(self, *args, **kwargs):
     <pre>{{traceback}}</pre>
     {{logginginfo}}
 </body>
+<style>
+pre {
+    white-space: pre-wrap;
+    overflow-wrap: anywhere;
+}
 </html>
 """
 
 
 @app.get("/")
 async def root():
-    error_message = f"{app.labthings_error!r}"
+    error_message = f"{app.labthings_error}"
     # use traceback.format_exception to get full traceback as list
     # this ends in newlines, but needs joining to be a single string
     error_w_trace = "".join(format_exception(app.labthings_error))
@@ -65,7 +70,7 @@ async def root():
         logging_info = f"    <p>Logging info</p>\n    <pre>{app.log_history}</pre>"
 
     content = content.replace("{{logginginfo}}", logging_info)
-    return HTMLResponse(content=content, status_code=500)
+    return HTMLResponse(content=content, status_code=206)
 
 
 @app.get("/{path:path}")

From 2bba47ce7354109eab32bd285f651506cf9dfbbe Mon Sep 17 00:00:00 2001
From: jaknapper <jaknapper@hotmail.com>
Date: Wed, 2 Jul 2025 15:44:08 +0100
Subject: [PATCH 2/5] Close style tag

---
 src/labthings_fastapi/server/fallback.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/labthings_fastapi/server/fallback.py b/src/labthings_fastapi/server/fallback.py
index 02523e9c..b0fe2277 100644
--- a/src/labthings_fastapi/server/fallback.py
+++ b/src/labthings_fastapi/server/fallback.py
@@ -43,6 +43,7 @@ def __init__(self, *args, **kwargs):
     white-space: pre-wrap;
     overflow-wrap: anywhere;
 }
+</style>
 </html>
 """
 

From 5387c974cc4a942bc195620a8289ebcf7b90206f Mon Sep 17 00:00:00 2001
From: jaknapper <jaknapper@hotmail.com>
Date: Wed, 2 Jul 2025 15:51:41 +0100
Subject: [PATCH 3/5] Switch fallback status code to 218

---
 src/labthings_fastapi/server/fallback.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/labthings_fastapi/server/fallback.py b/src/labthings_fastapi/server/fallback.py
index b0fe2277..d4fead61 100644
--- a/src/labthings_fastapi/server/fallback.py
+++ b/src/labthings_fastapi/server/fallback.py
@@ -71,7 +71,7 @@ async def root():
         logging_info = f"    <p>Logging info</p>\n    <pre>{app.log_history}</pre>"
 
     content = content.replace("{{logginginfo}}", logging_info)
-    return HTMLResponse(content=content, status_code=206)
+    return HTMLResponse(content=content, status_code=218)
 
 
 @app.get("/{path:path}")

From bbb1f7126618b7f1f2f75ae76bd1a1a84f6bc9cf Mon Sep 17 00:00:00 2001
From: Julian Stirling <julian@julianstirling.co.uk>
Date: Sun, 6 Jul 2025 09:25:33 +0100
Subject: [PATCH 4/5] Add attribute to fallback server for setting HTML code

---
 src/labthings_fastapi/server/fallback.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/labthings_fastapi/server/fallback.py b/src/labthings_fastapi/server/fallback.py
index d4fead61..5b7a7ab7 100644
--- a/src/labthings_fastapi/server/fallback.py
+++ b/src/labthings_fastapi/server/fallback.py
@@ -12,6 +12,7 @@ def __init__(self, *args, **kwargs):
         self.labthings_server = None
         self.labthings_error = None
         self.log_history = None
+        self.html_code = 500
 
 
 app = FallbackApp()
@@ -71,7 +72,7 @@ async def root():
         logging_info = f"    <p>Logging info</p>\n    <pre>{app.log_history}</pre>"
 
     content = content.replace("{{logginginfo}}", logging_info)
-    return HTMLResponse(content=content, status_code=218)
+    return HTMLResponse(content=content, status_code=app.html_code)
 
 
 @app.get("/{path:path}")

From c0a3eb6ec1b87b1dfb0669a1d5832f0fc9c3f815 Mon Sep 17 00:00:00 2001
From: Julian Stirling <julian@julianstirling.co.uk>
Date: Sun, 6 Jul 2025 10:01:30 +0100
Subject: [PATCH 5/5] Move HTML style to the page head

---
 src/labthings_fastapi/server/fallback.py | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/src/labthings_fastapi/server/fallback.py b/src/labthings_fastapi/server/fallback.py
index 5b7a7ab7..1b436aab 100644
--- a/src/labthings_fastapi/server/fallback.py
+++ b/src/labthings_fastapi/server/fallback.py
@@ -20,8 +20,14 @@ def __init__(self, *args, **kwargs):
 ERROR_PAGE = """
 <!DOCTYPE html>
 <html>
-<head>
+<head lang="en">
     <title>LabThings</title>
+    <style>
+    pre {
+        white-space: pre-wrap;
+        overflow-wrap: anywhere;
+    }
+    </style>
 </head>
 <body>
     <h1>LabThings Could't Load</h1>
@@ -39,12 +45,6 @@ def __init__(self, *args, **kwargs):
     <pre>{{traceback}}</pre>
     {{logginginfo}}
 </body>
-<style>
-pre {
-    white-space: pre-wrap;
-    overflow-wrap: anywhere;
-}
-</style>
 </html>
 """