0.1.35

fichero_printer/CHANGELOG.md

@@ -5,6 +5,17 @@ All notable changes to this project are documented in this file.
 The format is based on Keep a Changelog and this project uses Semantic Versioning.
 
 
+## [0.1.35] - 2026-03-18
+
+### Fixed
+- **Web UI**: Fixed "body stream already read" error by reading response body only once.
+- **Web UI**: Improved response handling to avoid double-reading response stream.
+- **Web UI**: Better error messages for server-side 500 errors from scan endpoint.
+
+### Changed
+- **Web UI**: Refactored response handling to use single response.read() call.
+- **Web UI**: Enhanced error display for server-side scan failures.
+
 ## [0.1.34] - 2026-03-18
 
 ### Fixed

fichero_printer/config.yaml

@@ -1,5 +1,5 @@
 name: "Fichero Printer"
-version: "0.1.34"
+version: "0.1.35"
 slug: "fichero_printer"
 description: "REST API for the Fichero D11s (AiYin) thermal label printer over Bluetooth"
 url: "https://git.leuschner.dev/Tobias/Fichero"

fichero_printer/fichero/api.py

@@ -77,7 +77,7 @@ async def lifespan(app: FastAPI):  # noqa: ARG001
 app = FastAPI(
     title="Fichero Printer API",
     description="REST API for the Fichero D11s (AiYin) thermal label printer.",
-    version = "0.1.34",
+    version = "0.1.35",
     lifespan=lifespan,
     docs_url=None,
     redoc_url=None,
@@ -155,24 +155,21 @@ def _ui_html() -> str:
         try {
             const response = await fetch('scan');
             
-            if (!response.ok) {
+            let responseData;
             try {
-                    const error = await response.json();
+                responseData = await response.json();
-                    throw new Error(error.detail || `HTTP error! status: ${response.status}`);
-                } catch (e) {
-                    const text = await response.text();
-                    throw new Error(`HTTP error! status: ${response.status}, response: ${text}`);
-                }
-            }
-            
-            let devices;
-            try {
-                devices = await response.json();
             } catch (e) {
                 const text = await response.text();
                 throw new Error(`Invalid JSON response: ${text}`);
             }
             
+            if (!response.ok) {
+                const errorDetail = responseData.detail || `HTTP error! status: ${response.status}`;
+                throw new Error(errorDetail);
+            }
+            
+            const devices = responseData;
+            
             if (devices.length === 0) {
                 resultsEl.textContent = '📡 No BLE devices found.\n\nTroubleshooting tips:\n- Make sure your printer is powered on\n- Ensure Bluetooth is enabled on this device\n- Bring the printer closer (within 5 meters)\n- Try restarting the printer';
             } else {

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "fichero-printer"
-version = "0.1.34"
+version = "0.1.35"
 description = "Web GUI, Python CLI, and protocol documentation for the Fichero D11s thermal label printer."
 readme = "README.md"
 requires-python = ">=3.10"