chore(ci-cd): switch PyInstaller workflow to spec file

Author: rohan-pandeyy

.github/workflows/build-and-release.yml

@@ -32,14 +32,7 @@ jobs:
       - name: Build executable with PyInstaller
         run: |
           cd backend
-          pyinstaller main.py --name PictoPy_Server --onedir --distpath dist
-
-      - name: Copy app folder
-        run: |
-          cd backend
-          mkdir dist/PictoPy_Server/images
-          robocopy app dist\PictoPy_Server\app /e
-          if ($LASTEXITCODE -le 1) { exit 0 }
+          pyinstaller PictoPy.spec
 
       - name: Create ZIP package
         run: |
@@ -74,14 +67,7 @@ jobs:
       - name: Build executable with PyInstaller
         run: |
           cd backend
-          pyinstaller main.py --name PictoPy_Server --onedir --distpath dist
-
-      - name: Copy app folder
-        run: |
-          cd backend
-          mkdir -p dist/PictoPy_Server/images
-          mkdir -p dist/PictoPy_Server/app
-          cp -r app/* dist/PictoPy_Server/app/
+          pyinstaller PictoPy.spec
 
       - name: Create ZIP package
         run: |
@@ -114,14 +100,7 @@ jobs:
       - name: Build executable with PyInstaller
         run: |
           cd backend
-          pyinstaller main.py --name PictoPy_Server --onedir --distpath dist
-
-      - name: Copy app folder
-        run: |
-          cd backend
-          mkdir -p dist/PictoPy_Server/images
-          mkdir -p dist/PictoPy_Server/app
-          cp -r app/* dist/PictoPy_Server/app/
+          pyinstaller PictoPy.spec
 
       - name: Create ZIP package
         run: |

backend/PictoPy.spec

@@ -0,0 +1,62 @@
+# -*- mode: python ; coding: utf-8 -*-
+import os
+
+a = Analysis(
+    ['main.py'],
+    pathex=[],
+    binaries=[],
+    datas=[('app', 'app')],
+    hiddenimports=['uvicorn.logging', 'uvicorn.loops', 'uvicorn.loops.auto', 'uvicorn.protocols', 'uvicorn.protocols.http', 'uvicorn.protocols.http.auto', 'uvicorn.protocols.websockets', 'uvicorn.protocols.websockets.auto', 'uvicorn.lifespan', 'uvicorn.lifespan.on', 'uvicorn.lifespan.off', 'psutil', 'platformdirs', 'httpx'],
+    hookspath=[],
+    hooksconfig={},
+    runtime_hooks=[],
+    excludes=[],
+    win_no_prefer_redirects=False,
+    win_private_assemblies=False,
+    noarchive=False,
+)
+
+# Filter out models from the build in case any linger in the development directory
+# We ensure the distribution bundle remains lightweight.
+def exclude_models(datas):
+    filtered_datas = []
+    for data in datas:
+        # data is a tuple (dest, source, type)
+        dest = data[0].replace(os.sep, '/')
+        if 'app/models/' in dest and dest.endswith('.onnx'):
+            continue
+        filtered_datas.append(data)
+    return filtered_datas
+
+a.datas = exclude_models(a.datas)
+
+pyz = PYZ(a.pure, a.zipped_data)
+
+exe = EXE(
+    pyz,
+    a.scripts,
+    [],
+    exclude_binaries=True,
+    name='PictoPy_Server',
+    debug=False,
+    bootloader_ignore_signals=False,
+    strip=False,
+    upx=False,          # disabled until DLL compatibility is validated
+    console=True,
+    disable_windowed_traceback=False,
+    argv_emulation=False,
+    target_arch=None,
+    codesign_identity=None,
+    entitlements_file=None,
+)
+
+coll = COLLECT(
+    exe,
+    a.binaries,
+    a.zipfiles,
+    a.datas,
+    strip=False,
+    upx=False,          # disabled until DLL compatibility is validated
+    upx_exclude=[],
+    name='PictoPy_Server',
+)