Shows error message if the file could not be opened

Author: STBrian

.github/workflows/build-pyinstaller.yml

@@ -0,0 +1,36 @@
+name: Build Windows
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+permissions:
+  contents: read
+
+jobs:
+  build-windows:
+    runs-on: windows-latest
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Python 3.12
+      uses: actions/setup-python@v5
+      with:
+        python-version: "3.12"
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install -r requirements.txt
+    - name: Init submodules
+      run: |
+        git submodule init
+        git submodule update
+    - name: Build script
+      run: |
+        ./build.bat
+    - uses: actions/upload-artifact@v4
+      with:
+        name: BJSON-Editor-win-x64
+        path: dist/

main.py

@@ -12,7 +12,11 @@
 from modules.pyBjson.utils import uint_to_bytes, int_to_bytes, float_to_bytes
 
 def getBjsonContent(fp: str|Path):
-    return convertBjsonToJson(fp)
+    try:
+        data = convertBjsonToJson(fp)
+    except Exception as e:
+        tkinter.messagebox.showerror("Unable to load file", f"Could not open the specified file. Error: {e}")
+    return data
 
 def addDictToTree(tree: ttk.Treeview, root: str, key: str, data: dict, count: int):
     if root == "":
@@ -84,6 +88,10 @@ def loadFileDataFromBjson(root, tree: ttk.Treeview, fp: str|Path):
     loading_label.grid(row=0, column=0)
     try:
         json_str = getBjsonContent(fp)
+        if json_str == None:
+            tkinter.messagebox.showerror("Unable to load file", "The file could not be loaded. The format may be incorrect or unsupported.")
+            loading_label.grid_remove()
+            return
         bjson_dict = json.loads(json_str)
 
         populate_tree(tree, bjson_dict)