Build exe for windows

Author: tadeubas

.ci/create-spec.py

@@ -75,6 +75,8 @@
         BUILDER_ARGS.append("--console")
         BUILDER_ARGS.append("--hidden-import=win32timezone")
         BUILDER_ARGS.append("--hide-console=minimize-early")
+        BUILDER_ARGS.append("--add-binary=assets/libiconv.dll:.")
+        BUILDER_ARGS.append("--add-binary=assets/libzbar-64.dll:.")
 
     elif SYSTEM == "Darwin":
         # Tha application is a GUI in a bundled .app

README.md

@@ -22,7 +22,7 @@ source .seedqrenv/bin/activate
 pip install -r requirements.txt 
 ```
 
-If you get this error, please install libxcb-cursor:
+If you get this error on Linux, please install libxcb-cursor:
 ```
 # qt.qpa.plugin: From 6.5.0, xcb-cursor0 or libxcb-cursor0 is needed to load the Qt xcb platform plugin.
 sudo apt install libxcb-cursor0
@@ -40,8 +40,16 @@ Run:
 python seedqreader.py
 ```
 
+If you get this error on Windows, install `vcredist_x64.exe` [Visual C++ Redistributable Packages for Visual Studio 2013](https://www.microsoft.com/en-US/download/details.aspx?id=40784). Then uninstall and install `pyzbar` lib again:
+```
+FileNotFoundError: Could not find module 'libiconv.dll' (or one of its dependencies). Try using the full path with constructor syntax.
+pyimod03_ctypes.install.<locals>.PyInstallerImportError: Failed to load dynlib/dll 'libiconv.dll'. Most likely this dynlib/dll was not found when the application was frozen.
+[PYI-5780:ERROR] Failed to execute script 'seedqreader' due to unhandled exception!
+```
+
 To build binaries:
 ```
+pip install PyInstaller
 python3 .ci/create-spec.py
 python3 -m PyInstaller seedqreader.spec
 ```