Initial Linux Qt OpenCV project

docs/windows/setup-python-venv-windows.ps1

@@ -0,0 +1,29 @@
+param(
+    [string]$PythonBin = "$PSScriptRoot\..\tools\python-bin",
+    [string]$VenvDir = "$PSScriptRoot\..\tools\python-venv"
+)
+
+$ErrorActionPreference = "Stop"
+
+$PythonBin = [System.IO.Path]::GetFullPath($PythonBin)
+$VenvDir = [System.IO.Path]::GetFullPath($VenvDir)
+$PythonExe = Join-Path $PythonBin "python.exe"
+
+if (!(Test-Path $PythonExe)) {
+    throw "未找到项目内 Python 二进制：$PythonExe"
+}
+
+# Windows embeddable Python 不一定带 venv 模块。优先尝试 venv；失败则使用同目录作为隔离 Python 环境安装 pip。
+try {
+    & $PythonExe -m venv $VenvDir
+    $VenvPython = Join-Path $VenvDir "Scripts\python.exe"
+    & $VenvPython -m pip install --upgrade pip setuptools wheel
+    & $VenvPython -m pip install aqtinstall
+    Write-Host "已创建虚拟环境：$VenvDir"
+} catch {
+    Write-Warning "venv 创建失败，改用项目内 embeddable Python 自身作为隔离环境。"
+    & $PythonExe (Join-Path $PythonBin "get-pip.py")
+    & $PythonExe -m pip install --upgrade pip setuptools wheel
+    & $PythonExe -m pip install aqtinstall
+    Write-Host "已在项目内 Python 二进制目录安装 pip/aqtinstall：$PythonBin"
+}